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Zeng P, Li G, Zhao X, Wan Y, Huang B, Huang X, Peng J, Chen M, Wang X. Construction and catalysis role of a kinetic promoter based on lithium-insertion technology and proton exchange strategy for lithium-sulfur batteries. J Colloid Interface Sci 2024; 670:519-529. [PMID: 38776687 DOI: 10.1016/j.jcis.2024.05.123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Revised: 04/26/2024] [Accepted: 05/16/2024] [Indexed: 05/25/2024]
Abstract
The high theoretical energy density and specific capacity of lithium-sulfur (Li-S) batteries have garnered considerable attention in the prospective market. However, ongoing research on Li-S batteries appears to have encountered a bottleneck, with unresolved key technical challenges such as the significant shuttle effect and sluggish reaction kinetics. This investigation explores the catalytic efficacy of three catalysts for Li-S batteries and elucidates the correlation between their structure and catalytic impacts. The results suggest that the combined utilization of lithium-insertion technology and a proton exchange approach for δ-MnO2 can optimize its electronic structure, resulting in an optimal catalyst (H/Li inserted δ-MnO2, denoted as HLM) for the sulfur reduction reaction. The replacement of Mn sites in δ-MnO2 with Li atoms can enhance the structural stability of the catalyst, while the introduction of H atoms between transition metal layers contributes to the satisfactory catalytic performance of HLM. Theoretical calculations demonstrate that the bond length of Li2S4 adsorbed by the HLM molecule is elongated, thereby facilitating the dissociation process of Li2S4 and enhancing the reaction kinetics in Li-S batteries. Consequently, the Li-S battery utilizing HLM as a catalyst achieves a high areal specific capacity of 4.2 mAh cm-2 with a sulfur loading of 4.1 mg cm-2 and a low electrolyte/sulfur (E/S) ratio of 8 μL mg-1. This study introduces a methodology for designing effective catalysts that could significantly advance practical developments in Li-S battery technology.
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Affiliation(s)
- Peng Zeng
- Key Laboratory for Theoretical Organic Chemistry and Functional Molecules, Ministry of Education, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan 411201, China.
| | - Guang Li
- Key Laboratory for Theoretical Organic Chemistry and Functional Molecules, Ministry of Education, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan 411201, China
| | - Xiaomei Zhao
- Key Laboratory for Theoretical Organic Chemistry and Functional Molecules, Ministry of Education, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan 411201, China
| | - Yichao Wan
- Key Laboratory for Theoretical Organic Chemistry and Functional Molecules, Ministry of Education, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan 411201, China
| | - Baoyu Huang
- Hunan Province Key Laboratory of Environmental Catalysis and Waste Rechemistry, College of Materials and Chemical Engineering, Hunan Institute of Engineering, Xiangtan 411104, China
| | - Xuelin Huang
- National Base for International Science & Technology Cooperation, National Local Joint Engineering Laboratory for Key Materials of New Energy Storage Battery, Hunan Province Key Laboratory of Electrochemical Energy Storage & Conversion, School of Chemistry, Xiangtan University, Xiangtan 411105, China
| | - Jiao Peng
- National Base for International Science & Technology Cooperation, National Local Joint Engineering Laboratory for Key Materials of New Energy Storage Battery, Hunan Province Key Laboratory of Electrochemical Energy Storage & Conversion, School of Chemistry, Xiangtan University, Xiangtan 411105, China
| | - Manfang Chen
- National Base for International Science & Technology Cooperation, National Local Joint Engineering Laboratory for Key Materials of New Energy Storage Battery, Hunan Province Key Laboratory of Electrochemical Energy Storage & Conversion, School of Chemistry, Xiangtan University, Xiangtan 411105, China
| | - Xianyou Wang
- National Base for International Science & Technology Cooperation, National Local Joint Engineering Laboratory for Key Materials of New Energy Storage Battery, Hunan Province Key Laboratory of Electrochemical Energy Storage & Conversion, School of Chemistry, Xiangtan University, Xiangtan 411105, China.
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Yoo SJ, Hwang J, Jang J, Jang JH, Park CH, Lee JH, Choi MY, Yuk JM, Choi SY, Lee J, Chung SY. Comparing the Impacts of Strain Types on Oxygen-Vacancy Formation in a Perovskite Oxide via Nanometer-Scale Strain Fields. ACS NANO 2024; 18:18465-18476. [PMID: 38888543 DOI: 10.1021/acsnano.4c03783] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/20/2024]
Abstract
The utilization of an in-plane lattice misfit in an oxide epitaxially grown on another oxide with a different lattice parameter is a well-known approach to induce strains in oxide materials. However, achieving a sufficiently large misfit strain in this heteroepitaxial configuration is usually challenging, unless the thickness of the grown oxide is kept well below a critical value to prevent the formation of misfit dislocations at the interface for relaxation. Instead of adhering to this conventional approach, here, we employ nanometer-scale large strain fields built around misfit dislocations to examine the effects of two distinct types of strains─tension and compression─on the generation of oxygen vacancies in heteroepitaxial LaCoO3 films. Our atomic-level observations, coupled with local electron-beam irradiation, clarify that the in-plane compression notably suppresses the creation of oxygen vacancies, whereas the formation of vacancies is facilitated under tensile strain. Demonstrating that the defect generation can considerably vary with the type of strain, our study highlights that the experimental approach adopted in this work is applicable to other oxide systems when investigating the strain effects on vacancy formation.
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Affiliation(s)
- Seung Jo Yoo
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology, Daejeon 34141, Korea
- Center for Research Equipment, Korea Basic Science Institute, Daejeon 34133, Korea
| | - Jaejin Hwang
- Department of Physics, Pusan National University, Busan 46241, Korea
| | - Jinhyuk Jang
- Department of Materials Science and Engineering, Pohang University of Science and Technology, Pohang 37673, Korea
| | - Jae Hyuck Jang
- Center for Research Equipment, Korea Basic Science Institute, Daejeon 34133, Korea
| | - Chang Hyun Park
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology, Daejeon 34141, Korea
| | - Ji-Hyun Lee
- Center for Research Equipment, Korea Basic Science Institute, Daejeon 34133, Korea
| | - Min Yeong Choi
- Center for Research Equipment, Korea Basic Science Institute, Daejeon 34133, Korea
| | - Jong Min Yuk
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology, Daejeon 34141, Korea
| | - Si-Young Choi
- Department of Materials Science and Engineering, Pohang University of Science and Technology, Pohang 37673, Korea
| | - Jaekwang Lee
- Department of Physics, Pusan National University, Busan 46241, Korea
| | - Sung-Yoon Chung
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology, Daejeon 34141, Korea
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3
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Park CH, Lee H, Choi JS, Yun TG, Lim Y, Bae HB, Chung SY. Atomic-Level Observation of Potential-Dependent Variations at the Surface of an Oxide Catalyst during Oxygen Evolution Reaction. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024:e2403392. [PMID: 39011793 DOI: 10.1002/adma.202403392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Revised: 07/07/2024] [Indexed: 07/17/2024]
Abstract
Understanding the intricate details of the surface atomic structure and composition of catalysts during the oxygen evolution reaction (OER) is crucial for developing catalysts with high stability in water electrolyzers. While many notable studies highlight surface amorphization and reconstruction, systematic analytical tracing of the catalyst surface as a function of overpotential remains elusive. Heteroepitaxial (001) films of chemically stable and lattice-oxygen-inactive LaCoO3 are thus utilized as a model catalyst to demonstrate a series of atomic-resolution observations of the film surface at different anodic potentials. The first key finding is that atoms at the surface are fairly dynamic even at lower overpotentials. Angstrom-scale atomic displacements within the perovskite framework are identified below a certain potential level. Another noteworthy feature is that amorphization (or paracrystallization) with no long-range order is finally induced at higher overpotentials. In particular, surface analyses consistently support that the oxidation of lattice oxygen is coupled with amorphous phase formation at the high potentials. Theoretical calculations also reveal an upward shift of oxygen 2p states toward the Fermi level, indicating enhanced lattice oxygen activation when atom displacement occurs more extensively. This study emphasizes that the degradation behavior of OER catalysts can distinctively vary depending on the overpotential level.
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Affiliation(s)
- Chang Hyun Park
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology, Daejeon, 34141, Republic of Korea
| | - Hyungdoh Lee
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology, Daejeon, 34141, Republic of Korea
| | - Jin-Seok Choi
- KAIST Analysis Center, Korea Advanced Institute of Science and Technology, Daejeon, 34141, Republic of Korea
| | - Tae Gyu Yun
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology, Daejeon, 34141, Republic of Korea
| | - Younghwan Lim
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology, Daejeon, 34141, Republic of Korea
| | - Hyung Bin Bae
- KAIST Analysis Center, Korea Advanced Institute of Science and Technology, Daejeon, 34141, Republic of Korea
| | - Sung-Yoon Chung
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology, Daejeon, 34141, Republic of Korea
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Sun X, Araujo RB, Dos Santos EC, Sang Y, Liu H, Yu X. Advancing electrocatalytic reactions through mapping key intermediates to active sites via descriptors. Chem Soc Rev 2024; 53:7392-7425. [PMID: 38894661 DOI: 10.1039/d3cs01130e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/21/2024]
Abstract
Descriptors play a crucial role in electrocatalysis as they can provide valuable insights into the electrochemical performance of energy conversion and storage processes. They allow for the understanding of different catalytic activities and enable the prediction of better catalysts without relying on the time-consuming trial-and-error approaches. Hence, this comprehensive review focuses on highlighting the significant advancements in commonly used descriptors for critical electrocatalytic reactions. First, the fundamental reaction processes and key intermediates involved in several electrocatalytic reactions are summarized. Subsequently, three types of descriptors are classified and introduced based on different reactions and catalysts. These include d-band center descriptors, readily accessible intrinsic property descriptors, and spin-related descriptors, all of which contribute to a profound understanding of catalytic behavior. Furthermore, multi-type descriptors that collectively determine the catalytic performance are also summarized. Finally, we discuss the future of descriptors, envisioning their potential to integrate multiple factors, broaden application scopes, and synergize with artificial intelligence for more efficient catalyst design and discovery.
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Affiliation(s)
- Xiaowen Sun
- State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China.
| | - Rafael B Araujo
- Department of Materials Science and Engineering, The Ångstrom Laboratory, Uppsala University, SE-751 03 Uppsala, Sweden
| | - Egon Campos Dos Santos
- Departamento de Física dos Materials e Mecânica, Instituto de Física, Universidade de SãoPaulo, 05508-090, São Paulo, Brazil
| | - Yuanhua Sang
- State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China.
| | - Hong Liu
- State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China.
- Jinan Institute of Quantum Technology, Jinan Branch, Hefei National Laboratory, Jinan, 250101, China
| | - Xiaowen Yu
- State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China.
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Yu H, Ji Y, Li C, Zhu W, Wang Y, Hu Z, Zhou J, Pao CW, Huang WH, Li Y, Huang X, Shao Q. Strain-Triggered Distinct Oxygen Evolution Reaction Pathway in Two-Dimensional Metastable Phase IrO 2 via CeO 2 Loading. J Am Chem Soc 2024. [PMID: 38996085 DOI: 10.1021/jacs.4c05204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/14/2024]
Abstract
A strain engineering strategy is crucial for designing a high-performance catalyst. However, how to control the strain in metastable phase two-dimensional (2D) materials is technically challenging due to their nanoscale sizes. Here, we report that cerium dioxide (CeO2) is an ideal loading material for tuning the in-plane strain in 2D metastable 1T-phase IrO2 (1T-IrO2) via an in situ growth method. Surprisingly, 5% CeO2 loaded 1T-IrO2 with 8% compressive strain achieves an overpotential of 194 mV at 10 mA cm-2 in a three-electrode system. It also retained a high current density of 900 mA cm-2 at a cell voltage of 1.8 V for a 400 h stability test in the proton-exchange membrane device. More importantly, the Fourier transform infrared measurements and density functional theory calculation reveal that the CeO2 induced strained 1T-IrO2 directly undergo the *O-*O radical coupling mechanism for O2 generation, totally different from the traditional adsorbate evolution mechanism in pure 1T-IrO2. These findings illustrate the important role of strain engineering in paving up an optimal catalytic pathway in order to achieve robust electrochemical performance.
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Affiliation(s)
- Hao Yu
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu 215123, China
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, Jiangsu 215123, China
| | - Yujin Ji
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, Jiangsu 215123, China
| | - Chenchen Li
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu 215123, China
| | - Wenxiang Zhu
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, Jiangsu 215123, China
| | - Yue Wang
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu 215123, China
| | - Zhiwei Hu
- Max Planck Institute for Chemical Physics of Solids, Nothnitzer Strasse 40, Dresden 01187, Germany
| | - Jing Zhou
- Zhejiang Institute of Photoelectronics & Zhejiang Institute for Advanced Light Source, Zhejiang Normal University, Jinhua, Zhejiang 321004, China
| | - Chih-Wen Pao
- National Synchrotron Radiation Research Center, 101 Hsin-Ann Road, Hsinchu 30076, Taiwan
| | - Wei-Hsiang Huang
- National Synchrotron Radiation Research Center, 101 Hsin-Ann Road, Hsinchu 30076, Taiwan
| | - Youyong Li
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, Jiangsu 215123, China
| | - Xiaoqing Huang
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
- Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province (IKKEM), Xiamen 361005, China
| | - Qi Shao
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu 215123, China
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Wang D, Luo K, Tian H, Cheng H, Giannakis S, Song Y, He Z, Wang L, Song S, Fang J, Ma J. Transforming Plain LaMnO 3 Perovskite into a Powerful Ozonation Catalyst: Elucidating the Mechanisms of Simultaneous A and B Sites Modulation for Enhanced Toluene Degradation. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2024; 58:12167-12178. [PMID: 38920332 DOI: 10.1021/acs.est.4c00809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/27/2024]
Abstract
Herein, we propose preferential dissolution paired with Cu-doping as an effective method for synergistically modulating the A- and B-sites of LaMnO3 perovskite. Through Cu-doping into the B-sites of LaMnO3, specifically modifying the B-sites, the double perovskite La2CuMnO6 was created. Subsequently, partial La from the A-sites of La2CuMnO6 was etched using HNO3, forming novel La2CuMnO6/MnO2 (LCMO/MnO2) catalysts. The optimized catalyst, featuring an ideal Mn:Cu ratio of 4.5:1 (LCMO/MnO2-4.5), exhibited exceptional catalytic ozonation performance. It achieved approximately 90% toluene degradation with 56% selectivity toward CO2, even under ambient temperature (35 °C) and a relatively humid environment (45%). Modulation of A-sites induced the elongation of Mn-O bonds and decrease in the coordination number of Mn-O (from 6 to 4.3) in LCMO/MnO2-4.5, resulting in the creation of abundant multivalent Mn and oxygen vacancies. Doping Cu into B-sites led to the preferential chemisorption of toluene on multivalent Cu (Cu(I)/Cu(II)), consistent with theoretical predictions. Effective electronic supplementary interactions enabled the cycling of multiple oxidation states of Mn for ozone decomposition, facilitating the production of reactive oxygen species and the regeneration of oxygen vacancies. This study establishes high-performance perovskites for the synergistic regulation of O3 and toluene, contributing to cleaner and safer industrial activities.
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Affiliation(s)
- Da Wang
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou 310032, China
- School of Environment Science and Spatial Informatics, China University of Mining and Technology, Xuzhou 221116, China
| | - Kai Luo
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou 310032, China
| | - Haole Tian
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou 310032, China
| | - Haijun Cheng
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Stefanos Giannakis
- E.T.S. de Ingenieros de Caminos, Canales Y Puertos, Departamento de Ingeniería Civil: Hidráulica, Energía Y Medio Ambiente, Unidad Docente Ingeniería Sanitaria, Universidad Politécnica de Madrid, C/Profesor Aranguren, S/n, ES-28040 Madrid, Spain
| | - Yang Song
- School of Civil and Transportation Engineering, Guangdong University of Technology, Guangzhou, 510006 Guangdong, China
| | - Zhiqiao He
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou 310032, China
| | - Lizhang Wang
- School of Environment Science and Spatial Informatics, China University of Mining and Technology, Xuzhou 221116, China
| | - Shuang Song
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou 310032, China
| | - Jingyun Fang
- Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, School of Environmental Science and Engineering, Sun Yat-Sen University, Guangzhou 510275, China
| | - Jun Ma
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
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Jiang S, Zhang M, Xu C, Liu G, Zhang K, Zhang Z, Peng HQ, Liu B, Zhang W. Recent Developments in Nickel-Based Layered Double Hydroxides for Photo(-/)electrocatalytic Water Oxidation. ACS NANO 2024; 18:16413-16449. [PMID: 38904346 DOI: 10.1021/acsnano.4c03153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/22/2024]
Abstract
Layered double hydroxides (LDHs), especially those containing nickel (Ni), are increasingly recognized for their potential in photo(-/)electrocatalytic water oxidation due to the abundant availability of Ni, their corrosion resistance, and their minimal toxicity. This review provides a comprehensive examination of Ni-based LDHs in electrocatalytic (EC), photocatalytic (PC), and photoelectrocatalytic (PEC) water oxidation processes. The review delves into the operational principles, highlighting similarities and distinctions as well as the benefits and limitations associated with each method of water oxidation. It includes a detailed discussion on the synthesis of monolayer, ultrathin, and bulk Ni-based LDHs, focusing on the merits and drawbacks inherent to each synthesis approach. Regarding the EC oxygen evolution reaction (OER), strategies to improve catalytic performance and insights into the structural evolution of Ni-based LDHs during the electrocatalytic process are summarized. Furthermore, the review extensively covers the advancements in Ni-based LDHs for PEC OER, including an analysis of semiconductors paired with Ni-based LDHs to form photoanodes, with a focus on their enhanced activity, stability, and underlying mechanisms facilitated by LDHs. The review concludes by addressing the challenges and prospects in the development of innovative Ni-based LDH catalysts for practical applications. The comprehensive insights provided in this paper will not only stimulate further research but also engage the scientific community, thus driving the field of photo(-/)electrocatalytic water oxidation forward.
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Affiliation(s)
- Shuai Jiang
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Mengyang Zhang
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Cui Xu
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Guangzu Liu
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Kefan Zhang
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Zhenyu Zhang
- Renewable Energy Group, Department of Engineering, Faculty of Environment, Science and Economy, University of Exeter, Penryn, Cornwall TR10 9FE, U.K
| | - Hui-Qing Peng
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Bin Liu
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Wenjun Zhang
- Center of Super-Diamond and Advanced Films (COSDAF) & Department of Materials Science and Engineering, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, P. R. China
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Chen L, Zhao W, Zhang J, Liu M, Jia Y, Wang R, Chai M. Recent Research on Iridium-Based Electrocatalysts for Acidic Oxygen Evolution Reaction from the Origin of Reaction Mechanism. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2403845. [PMID: 38940392 DOI: 10.1002/smll.202403845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2024] [Revised: 06/18/2024] [Indexed: 06/29/2024]
Abstract
As the anode reaction of proton exchange membrane water electrolysis (PEMWE), the acidic oxygen evolution reaction (OER) is one of the main obstacles to the practical application of PEMWE due to its sluggish four-electron transfer process. The development of high-performance acidic OER electrocatalysts has become the key to improving the reaction kinetics. To date, although various excellent acidic OER electrocatalysts have been widely researched, Ir-based nanomaterials are still state-of-the-art electrocatalysts. Hence, a comprehensive and in-depth understanding of the reaction mechanism of Ir-based electrocatalysts is crucial for the precise optimization of catalytic performance. In this review, the origin and nature of the conventional adsorbate evolution mechanism (AEM) and the derived volcanic relationship on Ir-based electrocatalysts for acidic OER processes are summarized and some optimization strategies for Ir-based electrocatalysts based on the AEM are introduced. To further investigate the development strategy of high-performance Ir-based electrocatalysts, several unconventional OER mechanisms including dual-site mechanism and lattice oxygen mediated mechanism, and their applications are introduced in detail. Thereafter, the active species on Ir-based electrocatalysts at acidic OER are summarized and classified into surface Ir species and O species. Finally, the future development direction and prospect of Ir-based electrocatalysts for acidic OER are put forward.
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Affiliation(s)
- Ligang Chen
- State Power Investment Corporation Hydrogen Energy Company, Limited, Beijing, 102600, China
| | - Wei Zhao
- State Power Investment Corporation Hydrogen Energy Company, Limited, Beijing, 102600, China
| | - Juntao Zhang
- Key Laboratory for Special Functional Materials of Ministry of Education, National & Local Joint Engineering Research Center for High-efficiency Display and Lighting Technology, School of Materials Science and Engineering, Collaborative Innovation Center of Nano Functional Materials and Applications, Henan University, Kaifeng, 475004, China
| | - Min Liu
- State Power Investment Corporation Hydrogen Energy Company, Limited, Beijing, 102600, China
| | - Yin Jia
- State Power Investment Corporation Hydrogen Energy Company, Limited, Beijing, 102600, China
| | - Ruzhi Wang
- Institute of Advanced Energy Materials and Devices, College of Material Science and Engineering; Key Laboratory of Advanced Functional Materials of Education Ministry of China, Beijing University of Technology, Beijing, 100124, China
| | - Maorong Chai
- State Power Investment Corporation Hydrogen Energy Company, Limited, Beijing, 102600, China
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Xie H, Zhang Y, Liu P, Duo X, Hu Z, Yu J, Wang Z, Yao G, Feng L, Huang X, Ouyang R, Wang Y. Rb-Doped Perovskite Oxides: Surface Enrichment and Structural Reconstruction During the Oxygen Evolution Reaction. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2400668. [PMID: 38881363 DOI: 10.1002/smll.202400668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2024] [Revised: 05/31/2024] [Indexed: 06/18/2024]
Abstract
Alkali-metal doped perovskite oxides have emerged as promising materials due to their unique properties and broad applications in various fields, including photovoltaics and catalysis. Understanding the complex interplay between alkali metal doping, structural modifications, and their impact on performance remains a crucial challenge. In this study, this challenge is addressed by investigating the synthesis and properties of Rb-doped perovskite oxides. These results reveal that the doping of Rb into perovskite oxides function as a structural modifier in the as-synthesized samples and during the oxygen evolution reaction (OER) as well. Electron microscopy and first-principles calculations confirm the enrichment of Rb on the surface of the as-synthesized sample. Further investigations into the electrocatalytic reaction revealed that the Rb-doped perovskite underwent drastic restructuring with Rb leaching and formation of strontium oxide.
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Affiliation(s)
- Huachao Xie
- Materials Genome Institute, Shanghai University, Shanghai, 200444, P. R. China
| | - Yuxuan Zhang
- Materials Genome Institute, Shanghai University, Shanghai, 200444, P. R. China
| | - Panpan Liu
- College of Chemistry, Fuzhou University, Fuzhou, 350116, P. R. China
- Qingyuan Innovation Laboratory, Quanzhou, 362801, P. R. China
| | - Xuyao Duo
- Materials Genome Institute, Shanghai University, Shanghai, 200444, P. R. China
| | - Zhonghui Hu
- Materials Genome Institute, Shanghai University, Shanghai, 200444, P. R. China
| | - Jia Yu
- Materials Genome Institute, Shanghai University, Shanghai, 200444, P. R. China
| | - Zihan Wang
- Materials Genome Institute, Shanghai University, Shanghai, 200444, P. R. China
| | - Guodong Yao
- State Key, Laboratory of Pollution Control and Resources Reuse, College of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai, 200092, P. R. China
| | - Lingyan Feng
- Materials Genome Institute, Shanghai University, Shanghai, 200444, P. R. China
| | - Xing Huang
- College of Chemistry, Fuzhou University, Fuzhou, 350116, P. R. China
- Qingyuan Innovation Laboratory, Quanzhou, 362801, P. R. China
| | - Runhai Ouyang
- Materials Genome Institute, Shanghai University, Shanghai, 200444, P. R. China
| | - Yuanqing Wang
- Materials Genome Institute, Shanghai University, Shanghai, 200444, P. R. China
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10
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Inerbaev TM, Abuova AU, Zakiyeva ZY, Abuova FU, Mastrikov YA, Sokolov M, Gryaznov D, Kotomin EA. Effect of Rh Doping on Optical Absorption and Oxygen Evolution Reaction Activity on BaTiO 3 (001) Surfaces. Molecules 2024; 29:2707. [PMID: 38893580 PMCID: PMC11173917 DOI: 10.3390/molecules29112707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2024] [Revised: 05/28/2024] [Accepted: 06/03/2024] [Indexed: 06/21/2024] Open
Abstract
In the present work, we investigate the potential of modified barium titanate (BaTiO3), an inexpensive perovskite oxide derived from earth-abundant precursors, for developing efficient water oxidation electrocatalysts using first-principles calculations. Based on our calculations, Rh doping is a way of making BaTiO3 absorb more light and have less overpotential needed for water to oxidize. It has been shown that a TiO2-terminated BaTiO3 (001) surface is more promising from the point of view of its use as a catalyst. Rh doping expands the spectrum of absorbed light to the entire visible range. The aqueous environment significantly affects the ability of Rh-doped BaTiO3 to absorb solar radiation. After Ti→Rh replacement, the doping ion can take over part of the electron density from neighboring oxygen ions. As a result, during the water oxidation reaction, rhodium ions can be in an intermediate oxidation state between 3+ and 4+. This affects the adsorption energy of reaction intermediates on the catalyst's surface, reducing the overpotential value.
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Affiliation(s)
- Talgat M. Inerbaev
- Department of Technical Physics, L.N. Gumilyov Eurasian National University, Astana 010000, Kazakhstan; (T.M.I.); (Z.Y.Z.); (F.U.A.)
- Vernadsky Institute of Geochemistry and Analytical Chemistry, Russian Academy of Science, 119991 Moscow, Russia
| | - Aisulu U. Abuova
- Department of Technical Physics, L.N. Gumilyov Eurasian National University, Astana 010000, Kazakhstan; (T.M.I.); (Z.Y.Z.); (F.U.A.)
| | - Zhadyra Ye. Zakiyeva
- Department of Technical Physics, L.N. Gumilyov Eurasian National University, Astana 010000, Kazakhstan; (T.M.I.); (Z.Y.Z.); (F.U.A.)
| | - Fatima U. Abuova
- Department of Technical Physics, L.N. Gumilyov Eurasian National University, Astana 010000, Kazakhstan; (T.M.I.); (Z.Y.Z.); (F.U.A.)
| | - Yuri A. Mastrikov
- Institute of Solid State Physics, University of Latvia, LV-1063 Riga, Latvia; (Y.A.M.); (M.S.); (E.A.K.)
| | - Maksim Sokolov
- Institute of Solid State Physics, University of Latvia, LV-1063 Riga, Latvia; (Y.A.M.); (M.S.); (E.A.K.)
| | - Denis Gryaznov
- Institute of Solid State Physics, University of Latvia, LV-1063 Riga, Latvia; (Y.A.M.); (M.S.); (E.A.K.)
| | - Eugene A. Kotomin
- Institute of Solid State Physics, University of Latvia, LV-1063 Riga, Latvia; (Y.A.M.); (M.S.); (E.A.K.)
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11
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Wei R, Fu G, Qi H, Liu H. Tuning the high-entropy perovskite as efficient and reliable electrocatalysts for oxygen evolution reaction. RSC Adv 2024; 14:18117-18125. [PMID: 38854838 PMCID: PMC11154883 DOI: 10.1039/d4ra02680b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2024] [Accepted: 05/23/2024] [Indexed: 06/11/2024] Open
Abstract
Due to their unique electronic structure, atomic arrangement and synergistic effect, high-entropy materials are being actively pursued as electrocatalysts for oxygen evolution reaction (OER) in water splitting. However, a relevant strategy to improve high-entropy materials is still lacking. Herein, substitutional doping on the La-site in high-entropy perovskite La1-x Sr x (CrMnFeCoNi)0.2O3 is reported as an efficient OER catalyst. Sr doping is found to be crucial to enhancing the OER activity. The overpotential for the best catalyst La0.3Sr0.7(CrMnFeCoNi)0.2O3 is only 330 mV at 10 mA cm-2, achieving a reduction of 120 mV in overpotential compared to La(CrMnFeCoNi)0.2O3, which is attributed to the enhancement in intrinsic catalytic activity. Experimental evidences including in situ electrochemical impedance spectroscopy (EIS) and X-ray photoelectron spectroscopy (XPS) indicate Sr doping induces the formation of high-valence Cr6+, Mn4+, Fe4+, Co4+ and Ni3+ species, which can accelerate the faster charge transfer at the interface, thereby increasing the intrinsic catalytic activity. The assembled two-electrode overall water splitting system operates stably at 10 mA cm-2 for 200 h without attenuation. This work offers an important method for developing a high-performance, high-entropy perovskite OER catalyst for hydrogen production by electrochemical water splitting.
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Affiliation(s)
- Ruixue Wei
- Department of Cerebrovascular Diseases, The Second Affiliated Hospital of Zhengzhou University Zhengzhou 450052 Henan China
| | - Gaoliang Fu
- Henan Provincial Key Laboratory of Nanocomposites and Applications, Institute of Nanostructured Functional Materials, Huanghe Science and Technology College Zhengzhou Henan 450006 China
| | - Huafeng Qi
- Henan Provincial Key Laboratory of Nanocomposites and Applications, Institute of Nanostructured Functional Materials, Huanghe Science and Technology College Zhengzhou Henan 450006 China
| | - Hewei Liu
- Henan Provincial Key Laboratory of Nanocomposites and Applications, Institute of Nanostructured Functional Materials, Huanghe Science and Technology College Zhengzhou Henan 450006 China
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12
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Fu G, Zhang L, Wei R, Liu H, Hou R, Zhang Z, Yang K, Zhang S. P-Incorporation Induced Enhancement of Lattice Oxygen Participation in Double Perovskite Oxides to Boost Water Oxidation. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2309091. [PMID: 38247184 DOI: 10.1002/smll.202309091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 12/24/2023] [Indexed: 01/23/2024]
Abstract
Activating the lattice oxygen in the catalysts to participate in the oxygen evolution reaction (OER), which can break the scaling relation-induced overpotential limitation (> 0.37 V) of the adsorbate evolution mechanism, has emerged as a new and highly effective guide to accelerate the OER. However, how to increase the lattice oxygen participation of catalysts during OER remains a major challenge. Herein, P-incorporation induced enhancement of lattice oxygen participation in double perovskite LaNi0.58Fe0.38P0.07O3-σ (PLNFO) is studied. P-incorporation is found to be crucial for enhancing the OER activity. The current density reaches 1.35 mA cmECSA -2 at 1.63 V (vs RHE), achieving a sixfold increase in intrinsic activity. Experimental evidences confirm the dominant lattice oxygen participation mechanism (LOM) for OER pathway on PLNFO. Further electronic structures reveal that P-incorporation shifts the O p-band center by 0.7 eV toward the Fermi level, making the states near the Fermi level more O p character, thus facilitating LOM and fast OER kinetics. This work offers a possible method to develop high-performance double perovskite OER catalysts for electrochemical water splitting.
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Affiliation(s)
- Gaoliang Fu
- Henan Provincial Key Laboratory of Nanocomposites and Applications, Institute of Nanostructured Functional Materials, Huanghe Science and Technology College, Zhengzhou, Henan, 450006, China
| | - Leilei Zhang
- Henan Provincial Key Laboratory of Nanocomposites and Applications, Institute of Nanostructured Functional Materials, Huanghe Science and Technology College, Zhengzhou, Henan, 450006, China
| | - Ruixue Wei
- Department of Cerebrovascular Diseases, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, 450052, China
| | - Huili Liu
- Henan Provincial Key Laboratory of Nanocomposites and Applications, Institute of Nanostructured Functional Materials, Huanghe Science and Technology College, Zhengzhou, Henan, 450006, China
| | - Ruipeng Hou
- Henan Provincial Key Laboratory of Nanocomposites and Applications, Institute of Nanostructured Functional Materials, Huanghe Science and Technology College, Zhengzhou, Henan, 450006, China
| | - Zheng Zhang
- Hubei Key Laboratory of Biomass Fibers and Eco-dyeing & Finishing, College of Chemistry and Chemical Engineering, Wuhan Textile University, Wuhan, 430200, China
| | - Kun Yang
- Henan Provincial Key Laboratory of Nanocomposites and Applications, Institute of Nanostructured Functional Materials, Huanghe Science and Technology College, Zhengzhou, Henan, 450006, China
| | - Shouren Zhang
- Henan Provincial Key Laboratory of Nanocomposites and Applications, Institute of Nanostructured Functional Materials, Huanghe Science and Technology College, Zhengzhou, Henan, 450006, China
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13
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Mao Y, Yang X, Dong K, Sheng T, Yuan Q. Fe,Co co-implanted dendritic CeO 2/CeF 3 heterostructure@MXene nanocomposites as structurally stable electrocatalysts with ultralow overpotential for the alkaline oxygen evolution reaction. J Colloid Interface Sci 2024; 662:208-217. [PMID: 38350344 DOI: 10.1016/j.jcis.2024.02.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 01/31/2024] [Accepted: 02/02/2024] [Indexed: 02/15/2024]
Abstract
Exploring low-cost, high-activity, and structurally stable nonprecious metal electrocatalysts for sluggish oxygen evolution reaction (OER) is paramount for water electrolysis. Herein, we successfully prepare a novel Fe,Co-CeO2/CeF3@MXene heterostructure with Fe-Co dual active sites and oxygen vacancies for alkaline OER using an energy-free consumption co-deposition method. Impressively, Fe,Co-CeO2/CeF3@MXene achieves an ultralow overpotential of 192 mV and a long-term stability of 110 h at 10 mA cm-2 without structural changes, thereby outperforming the commercial IrO2 (345 mV). In addition, Fe,Co-CeO2/CeF3@MXene exhibits much superior activity (271 mV) and durability to IrO2 (385 mV) in the real seawater OER. Wind- and solar energy-assisted water electrolysis devices show their promising prospects for sustainable green hydrogen production. Characterization techniques and theoretical calculations reveal that the Fe,Co co-implanted CeO2/CeF3 heterostructure effectively degrades the energy barrier of the OER and optimizes the adsorption strength of *OH, *O, and *OOH intermediates. It exhibits the dual coupling mechanism of the adsorbed evolution and lattice oxygen mechanisms, which synergistically improves the OER performance. This work provides a facile and efficacious strategy for synthesizing a new class of heterostructures to achieve significant enhancement in the activity and stability of OER catalysts.
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Affiliation(s)
- Yunwei Mao
- State-Local Joint Laboratory for Comprehensive Utilization of Biomass, Center for R&D of Fine Chemicals, College of Chemistry and Chemical Engineering, Guizhou University, Guiyang, Guizhou Province 550025, PR China
| | - Xiaotong Yang
- State-Local Joint Laboratory for Comprehensive Utilization of Biomass, Center for R&D of Fine Chemicals, College of Chemistry and Chemical Engineering, Guizhou University, Guiyang, Guizhou Province 550025, PR China
| | - Kaiyu Dong
- State-Local Joint Laboratory for Comprehensive Utilization of Biomass, Center for R&D of Fine Chemicals, College of Chemistry and Chemical Engineering, Guizhou University, Guiyang, Guizhou Province 550025, PR China
| | - Tian Sheng
- College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, PR China.
| | - Qiang Yuan
- State-Local Joint Laboratory for Comprehensive Utilization of Biomass, Center for R&D of Fine Chemicals, College of Chemistry and Chemical Engineering, Guizhou University, Guiyang, Guizhou Province 550025, PR China.
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14
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Alaufey R, Zhao L, Lindsay A, Siboonruang T, Wu Q, Keith JA, Wood E, Tang M. Interplay between Catalyst Corrosion and Homogeneous Reactive Oxygen Species in Electrochemical Ozone Production. ACS Catal 2024; 14:6868-6880. [PMID: 38933735 PMCID: PMC11197020 DOI: 10.1021/acscatal.4c01317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Revised: 04/04/2024] [Accepted: 04/05/2024] [Indexed: 06/28/2024]
Abstract
Electrochemical ozone production (EOP), a six-electron water oxidation reaction, offers promising avenues for creating value-added oxidants and disinfectants. However, progress in this field is slowed by a dearth of understanding of fundamental reaction mechanisms. In this work, we combine experimental electrochemistry, spectroscopic detection of reactive oxygen species (ROS), oxygen-anion chemical ionization mass spectrometry, and computational quantum chemistry calculations to determine a plausible reaction mechanism on nickel- and antimony-doped tin oxide (Ni/Sb-SnO2, NATO), one of the most selective EOP catalysts. Antimony doping is shown to increase the conductivity of the catalyst, leading to improved electrochemical performance. Spectroscopic analysis and electrochemical experiments combined with quantum chemistry predictions reveal that hydrogen peroxide (H2O2) is a critical reaction intermediate. We propose that leached Ni4+ cations catalyze hydrogen peroxide into solution phase hydroperoxyl radicals (•OOH); these radicals are subsequently oxidized to ozone. Isotopic product analysis shows that ozone is generated catalytically from water and corrosively from the catalyst oxide lattice without regeneration of lattice oxygens. Further quantum chemistry calculations and thermodynamic analysis suggest that the electrochemical corrosion of tin oxide itself might generate hydrogen peroxide, which is then catalyzed to ozone. The proposed pathways explain both the roles of dopants in NATO and its lack of stability. Our study interrogates the possibility that instability and electrochemical activity are intrinsically linked through the formation of ROS. In doing so, we provide the first mechanism for EOP that is consistent with computational and experimental results and highlight the central challenge of instability as a target for future research efforts.
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Affiliation(s)
- Rayan Alaufey
- Department
of Chemical and Biological Engineering, Drexel University, 3141 Chestnut Street, Philadelphia, Pennsylvania 19104, United States
| | - Lingyan Zhao
- Department
of Chemical and Petroleum Engineering, University
of Pittsburgh, 3700 O’Hara Street, Pittsburgh, Pennsylvania 15261, United States
| | - Andrew Lindsay
- Department
of Chemistry, Drexel University, 3141 Chestnut Street, Philadelphia, Pennsylvania 19104, United States
| | - Tana Siboonruang
- Department
of Chemical and Biological Engineering, Drexel University, 3141 Chestnut Street, Philadelphia, Pennsylvania 19104, United States
| | - Qin Wu
- Center
for Functional Nanomaterials, Brookhaven
National Laboratory, Upton, New York 11973, United States
| | - John A. Keith
- Department
of Chemical and Petroleum Engineering, University
of Pittsburgh, 3700 O’Hara Street, Pittsburgh, Pennsylvania 15261, United States
| | - Ezra Wood
- Department
of Chemistry, Drexel University, 3141 Chestnut Street, Philadelphia, Pennsylvania 19104, United States
| | - Maureen Tang
- Department
of Chemical and Biological Engineering, Drexel University, 3141 Chestnut Street, Philadelphia, Pennsylvania 19104, United States
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15
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Liu H, Wang Y, Tan P, Dos Santos EC, Holmes SM, Li H, Pan J, D'Agostino C. A Doping-Induced SrCo 0.4Fe 0.6O 3/CoFe 2O 4 Nanocomposite for Efficient Oxygen Evolution in Alkaline Media. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2308948. [PMID: 38109148 DOI: 10.1002/smll.202308948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 11/30/2023] [Indexed: 12/19/2023]
Abstract
Perovskite and spinel oxides are promising alternatives to noble metal-based electrocatalysts for oxygen evolution reaction (OER). Herein, a novel perovskite/spinel nanocomposite comprised of SrCo0.4Fe0.6O3 and CoFe2O4 (SCF/CF) is prepared through a simple one-step method that incorporates iron doping into a SrCoO3- δ matrix, circumventing complex fabrication processes typical of these materials. At a Fe dopant content of 60%, the CoFe2O4 spinel phase is directly precipitated from the parent SrCo0.4Fe0.6O3 perovskite phase and the number of active B-site metals (Co/Fe) in the parent SCF can be maximized. This nanocomposite exhibits a remarkable OER activity in alkaline media with a small overpotentional of 294 mV at 10 mA cm-2. According to surface states analysis, the parent SCF perovskite remains in its pristine form under alkaline OER conditions, serving as a stable substrate, while the second spinel CF is covered by 5/8 monolayer (ML) O*, exhibiting considerable affinity toward the oxygen species involved in the OER. Analysis based on advanced OER microkinetic volcano model indicates that a 5/8 ML O* covered-CF is the origin for the remarkable activity of this nanocomposite. The results reported here significantly advance knowledge in OER and can boost application, scale-up and commercialisation of electrocatalytic technologies toward clean energy devices.
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Affiliation(s)
- Heng Liu
- Department of Chemical Engineering, The University of Manchester, Oxford Road, Manchester, M13 9PL, UK
- State Key Laboratory for Powder Metallurgy, Central South University, Changsha, 410083, P. R. China
| | - Yuan Wang
- State Key Laboratory for Powder Metallurgy, Central South University, Changsha, 410083, P. R. China
| | - Pengfei Tan
- State Key Laboratory for Powder Metallurgy, Central South University, Changsha, 410083, P. R. China
| | - Egon C Dos Santos
- Advanced Institute for Materials Research (WPI-AIMR), Tohoku University, Sendai, 980-8577, Japan
| | - Stuart M Holmes
- Department of Chemical Engineering, The University of Manchester, Oxford Road, Manchester, M13 9PL, UK
| | - Hao Li
- Advanced Institute for Materials Research (WPI-AIMR), Tohoku University, Sendai, 980-8577, Japan
| | - Jun Pan
- State Key Laboratory for Powder Metallurgy, Central South University, Changsha, 410083, P. R. China
| | - Carmine D'Agostino
- Department of Chemical Engineering, The University of Manchester, Oxford Road, Manchester, M13 9PL, UK
- Dipartimento di Ingegneria Civile, Chimica, Ambientale e dei Materiali (DICAM), Alma Mater Studiorum-Università di Bologna, Via Terracini, 28, Bologna, 40131, Italy
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16
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Wu YH, Janák M, Abdala PM, Borca CN, Wach A, Kierzkowska A, Donat F, Huthwelker T, Kuznetsov DA, Müller CR. Probing Surface Transformations of Lanthanum Nickelate Electrocatalysts during Oxygen Evolution Reaction. J Am Chem Soc 2024; 146:11887-11896. [PMID: 38529556 DOI: 10.1021/jacs.4c00863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/27/2024]
Abstract
Monitoring the spontaneous reconstruction of the surface of metal oxides under electrocatalytic reaction conditions is critical to identifying the active sites and establishing structure-activity relationships. Here, we report on a self-terminated surface reconstruction of Ruddlesden-Popper lanthanum nickel oxide (La2NiO4+δ) that occurs spontaneously during reaction with alkaline electrolyte species. Using a combination of high-resolution scanning transmission electron microscopy (HR-STEM), surface-sensitive X-ray photoelectron spectroscopy (XPS), and soft X-ray absorption spectroscopy (sXAS), as well as electrochemical techniques, we identify the structure of the reconstructed surface layer as an amorphous (oxy)hydroxide phase that features abundant under-coordinated nickel sites. No further amorphization of the crystalline oxide lattice (beyond the ∼2 nm thick layer formed) was observed during oxygen evolution reaction (OER) cycling experiments. Notably, the formation of the reconstructed surface layer increases the material's oxygen evolution reaction (OER) activity by a factor of 45 when compared to that of the pristine crystalline surface. In contrast, a related perovskite phase, i.e., LaNiO3, did not show noticeable surface reconstruction, and also no increase in its OER activity was observed. This work provides detailed insight into a surface reconstruction behavior dictated by the crystal structure of the parent oxide and highlights the importance of surface dynamics under reaction conditions.
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Affiliation(s)
- Yi-Hsuan Wu
- Department of Mechanical and Process Engineering, ETH Zürich, 8092 Zürich, Switzerland
| | - Marcel Janák
- Department of Mechanical and Process Engineering, ETH Zürich, 8092 Zürich, Switzerland
| | - Paula M Abdala
- Department of Mechanical and Process Engineering, ETH Zürich, 8092 Zürich, Switzerland
| | | | - Anna Wach
- Swiss Light Source, Paul Scherrer Institute, 5232 Villigen, Switzerland
- SOLARIS National Synchrotron Radiation Centre, Jagiellonian University, 30-392 Kraków, Poland
| | - Agnieszka Kierzkowska
- Department of Mechanical and Process Engineering, ETH Zürich, 8092 Zürich, Switzerland
| | - Felix Donat
- Department of Mechanical and Process Engineering, ETH Zürich, 8092 Zürich, Switzerland
| | - Thomas Huthwelker
- Swiss Light Source, Paul Scherrer Institute, 5232 Villigen, Switzerland
| | - Denis A Kuznetsov
- Department of Mechanical and Process Engineering, ETH Zürich, 8092 Zürich, Switzerland
| | - Christoph R Müller
- Department of Mechanical and Process Engineering, ETH Zürich, 8092 Zürich, Switzerland
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17
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Wu J, Zou W, Zhang J, Zhang L, Song H, Cui Z, Du L. Regulating Ir-O Covalency to Boost Acidic Oxygen Evolution Reaction. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2308419. [PMID: 38102103 DOI: 10.1002/smll.202308419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 11/17/2023] [Indexed: 12/17/2023]
Abstract
The unsatisfactory oxygen evolution reaction (OER) activity of IrO2 has intensively raised the cost and energy consumption of hydrogen generation from proton exchange membrane water electrolyzers. Here, the acidic OER activity of the rutile IrO2 is significantly enhanced by the incorporation of trivalent metals (e.g., Gd, Nd, and Pr) to increase the Ir-O covalency, while the high-valence (pentavalent or higher) metal incorporation decreases the Ir-O covalency resulting in worse OER activity. Experimental and theoretical analyses indicate that enhanced Ir-O covalency activates lattice oxygen and triggers lattice oxygen-mediated mechanism to enhance OER kinetics, which is verified by the finding of a linear relationship between the natural logarithm of intrinsic activity and Ir-O covalency described by charge transfer energy. By regulating the Ir-O covalency, the obtained Gd-IrO2-δ merely needs 260 mV of overpotential to reach 10 mA cm-2 and shows impressive stability during a 200-h test in 0.5 м H2SO4. This work provides an effective strategy for significantly enhancing the OER activity of the widely used IrO2 electrocatalysts through the rational regulation of Ir-O covalency.
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Affiliation(s)
- Jiayan Wu
- Guangdong Provincial Key Laboratory of Fuel Cell Technology, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, 510641, China
| | - Wenwu Zou
- Guangdong Provincial Key Laboratory of Fuel Cell Technology, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, 510641, China
| | - Jiaxi Zhang
- Guangdong Provincial Key Laboratory of Fuel Cell Technology, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, 510641, China
| | - Longhai Zhang
- Guangdong Provincial Key Laboratory of Fuel Cell Technology, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, 510641, China
| | - Huiyu Song
- Guangdong Provincial Key Laboratory of Fuel Cell Technology, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, 510641, China
| | - Zhiming Cui
- Guangdong Provincial Key Laboratory of Fuel Cell Technology, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, 510641, China
| | - Li Du
- Guangdong Provincial Key Laboratory of Fuel Cell Technology, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, 510641, China
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18
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Li H, Wang W, Xu J, Wang A, Wan X, Yang L, Zhao H, Shan Q, Zhao C, Sun S, Wang W. Mn-Based Mullites for Environmental and Energy Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2312685. [PMID: 38618925 DOI: 10.1002/adma.202312685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2023] [Revised: 03/26/2024] [Indexed: 04/16/2024]
Abstract
Mn-based mullite oxides AMn2O5 (A = lanthanide, Y, Bi) is a novel type of ternary catalyst in terms of their electronic and geometric structures. The coexistence of pyramid Mn3+-O and octahedral Mn4+-O makes the d-orbital selectively active toward various catalytic reactions. The alternative edge- and corner-sharing stacking configuration constructs the confined active sites and abundant active oxygen species. As a result, they tend to show superior catalytic behaviors and thus gain great attention in environmental treatment and energy conversion and storage. In environmental applications, Mn-based mullites have been demonstrated to be highly active toward low-temperature oxidization of CO, NO, volatile organic compounds (VOCs), etc. Recent research further shows that mullites decompose O3 and ozonize VOCs from -20 °C to room temperature. Moreover, mullites enhance oxygen reduction reactions (ORR) and sulfur reduction reactions (SRR), critical kinetic steps in air-battery and Li-S batteries, respectively. Their distinctive structures also facilitate applications in gas-sensitive sensing, ionic conduction, high mobility dielectrics, oxygen storage, piezoelectricity, dehydration, H2O2 decomposition, and beyond. A comprehensive review from basic physicochemical properties to application certainly not only gains a full picture of mullite oxides but also provides new insights into designing heterogeneous catalysts.
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Affiliation(s)
- Huan Li
- Tianjin Key Laboratory of Photo-Electronic Thin Film Device and Technology, College of Electronic Information and Optical Engineering, Nankai University, Tianjin, 300071, China
| | - Wanying Wang
- Tianjin Key Laboratory of Photo-Electronic Thin Film Device and Technology, College of Electronic Information and Optical Engineering, Nankai University, Tianjin, 300071, China
| | - Jinchao Xu
- Tianjin Key Laboratory of Photo-Electronic Thin Film Device and Technology, College of Electronic Information and Optical Engineering, Nankai University, Tianjin, 300071, China
| | - Ansheng Wang
- Tianjin Key Laboratory of Photo-Electronic Thin Film Device and Technology, College of Electronic Information and Optical Engineering, Nankai University, Tianjin, 300071, China
| | - Xiang Wan
- Tianjin Key Laboratory of Photo-Electronic Thin Film Device and Technology, College of Electronic Information and Optical Engineering, Nankai University, Tianjin, 300071, China
| | - Liyuan Yang
- Tianjin Key Laboratory of Photo-Electronic Thin Film Device and Technology, College of Electronic Information and Optical Engineering, Nankai University, Tianjin, 300071, China
| | - Haojun Zhao
- Tianjin Key Laboratory of Photo-Electronic Thin Film Device and Technology, College of Electronic Information and Optical Engineering, Nankai University, Tianjin, 300071, China
| | - Qingyu Shan
- Tianjin Key Laboratory of Photo-Electronic Thin Film Device and Technology, College of Electronic Information and Optical Engineering, Nankai University, Tianjin, 300071, China
| | - Chunning Zhao
- Tianjin Key Laboratory of Photo-Electronic Thin Film Device and Technology, College of Electronic Information and Optical Engineering, Nankai University, Tianjin, 300071, China
| | - Shuhui Sun
- Institute National de la Recherche Scientifique (INRS), Centre Énergie Matériaux Télécommunications, Québec J3×1P7, Varennes, Canada
| | - Weichao Wang
- Tianjin Key Laboratory of Photo-Electronic Thin Film Device and Technology, College of Electronic Information and Optical Engineering, Nankai University, Tianjin, 300071, China
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19
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Woo J, Han S, Yoon J. Mn-doped Sequentially Electrodeposited Co-based Oxygen Evolution Catalyst for Efficient Anion Exchange Membrane Water Electrolysis. ACS APPLIED MATERIALS & INTERFACES 2024. [PMID: 38662424 DOI: 10.1021/acsami.4c01865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/26/2024]
Abstract
Designing high-performance and durable oxygen evolution reaction (OER) catalysts is important for green hydrogen production through anion exchange membrane water electrolysis (AEMWE). Herein, a series of Mn-doped Co-based OER catalysts supported on FeOxHy (FCMx) are presented to enhance the OER activity. Mn doping effectively reduces the size of the Co oxide particles, thereby augmenting the active surface area. Moreover, Mn doping induces the creation of oxygen vacancies, leading to an efficient structural conversion during the OER, which is confirmed via in situ Raman spectroscopy. Under optimal conditions, the catalyst exhibits an overpotential of 234.4 mV at 10 mA cm-2 and a Tafel slope of 37.2 mV dec-1 under half-cell conditions. The AEMWE single-cell system demonstrates a current density of 1560 mA cm-2 at 1.8 V at 60 °C with a degradation rate of 0.4 mV h-1 for 500 h at 500 mA cm-2. Our development of a robust OER catalyst represents notable progress in the field of nonprecious-metal water electrolysis, marking a step toward cost-effective green hydrogen production.
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Affiliation(s)
- Jinse Woo
- School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University (SNU), Seoul 08826, Republic of Korea
| | - Sanghwi Han
- School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University (SNU), Seoul 08826, Republic of Korea
| | - Jeyong Yoon
- School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University (SNU), Seoul 08826, Republic of Korea
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20
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Postiglione WM, Yu G, Chaturvedi V, Zhou H, Heltemes K, Jacobson A, Greven M, Leighton C. Mechanisms of Hysteresis and Reversibility across the Voltage-Driven Perovskite-Brownmillerite Transformation in Electrolyte-Gated Ultrathin La 0.5Sr 0.5CoO 3-δ. ACS APPLIED MATERIALS & INTERFACES 2024; 16:19184-19197. [PMID: 38564510 DOI: 10.1021/acsami.4c01336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
Perovskite cobaltites have emerged as archetypes for electrochemical control of materials properties in electrolyte-gate devices. Voltage-driven redox cycling can be performed between fully oxygenated perovskite and oxygen-vacancy-ordered brownmillerite phases, enabling exceptional modulation of the crystal structure, electronic transport, thermal transport, magnetism, and optical properties. The vast majority of studies, however, have focused heavily on the perovskite and brownmillerite end points. In contrast, here we focus on hysteresis and reversibility across the entire perovskite ↔ brownmillerite topotactic transformation, combining gate-voltage hysteresis loops, minor hysteresis loops, quantitative operando synchrotron X-ray diffraction, and temperature-dependent (magneto)transport, on ion-gel-gated ultrathin (10-unit-cell) epitaxial La0.5Sr0.5CoO3-δ films. Gate-voltage hysteresis loops combined with operando diffraction reveal a wealth of new mechanistic findings, including asymmetric redox kinetics due to differing oxygen diffusivities in the two phases, nonmonotonic transformation rates due to the first-order nature of the transformation, and limits on reversibility due to first-cycle structural degradation. Minor loops additionally enable the first rational design of an optimal gate-voltage cycle. Combining this knowledge, we demonstrate state-of-the-art nonvolatile cycling of electronic and magnetic properties, encompassing >105 transport ON/OFF ratios at room temperature, and reversible metal-insulator-metal and ferromagnet-nonferromagnet-ferromagnet cycling, all at 10-unit-cell thickness with high room-temperature stability. This paves the way for future work to establish the ultimate cycling frequency and endurance of such devices.
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Affiliation(s)
- William M Postiglione
- Department of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Guichuan Yu
- Minnesota Supercomputing Institute, University of Minnesota, Minneapolis, Minnesota 55455, United States
- Characterization Facility, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Vipul Chaturvedi
- Department of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Hua Zhou
- Advanced Photon Source, Argonne National Laboratory, Lemont, Illinois 60439, United States
| | - Kei Heltemes
- Department of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Andrew Jacobson
- Department of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Martin Greven
- School of Physics and Astronomy, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Chris Leighton
- Department of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, Minnesota 55455, United States
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21
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Whittingham AWH, Boke M, Smith RDL. Tuning the Oxygen Reduction Reactivity of Layered Perovskites Using the Jahn-Teller Effect. ACS APPLIED MATERIALS & INTERFACES 2024. [PMID: 38602275 DOI: 10.1021/acsami.4c01105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2024]
Abstract
Compositional tuning of layered perovskite oxides provides a means of systematically studying how local distortions affect fundamental aspects of electrochemical reaction pathways. Structural analysis of a family of samples La1.2Sr0.8Ni1-yCoyO4 shows that Ni-rich compositions have an expanded crystalline c axis, which is anisotropically compressed by systematic Co incorporation. Raman spectra reveal the strong growth of a symmetry forbidden mode, which suggests that Co acts through localized distortions. Crystallographic and spectroscopic parameters describing this structural distortion correlate to the measured Tafel slopes for the oxygen reduction reaction for all Ni-containing samples, which is attributed to the distortion of potential energy surfaces by the Jahn-Teller expansion of d7 Ni(III) cations. Incorporation of Co not only minimizes the distortion but alters the apparent selectivity of the oxygen reduction reaction away from H2O2 and toward H2O. Rotating ring-disk electrochemical measurements, however, indicate that the apparent change in selectivity is due to activation of a first-order chemical disproportionation of H2O2 that is activated by Co in the lattice. These outcomes will support efforts to design electrocatalysts and reactors for the electrochemical synthesis of H2O2.
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Affiliation(s)
- Alexander W H Whittingham
- Department of Chemistry, University of Waterloo, 200 University Avenue W., Waterloo, Ontario, Canada N2L 3G1
- Advanced Materials Research Facility, National Research Council of Canada, 2620 Speakman Drive, Mississauga, Ontario, Canada L5K 1B4
| | - Marlyn Boke
- Department of Chemistry, University of Waterloo, 200 University Avenue W., Waterloo, Ontario, Canada N2L 3G1
| | - Rodney D L Smith
- Department of Chemistry, University of Waterloo, 200 University Avenue W., Waterloo, Ontario, Canada N2L 3G1
- Waterloo Institute for Nanotechnology, University of Waterloo, 200 University Avenue W., Waterloo, Ontario, Canada N2L 3G1
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22
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Che Q, van den Bosch ICG, Le PTP, Lazemi M, van der Minne E, Birkhölzer YA, Nunnenkamp M, Peerlings MLJ, Safonova OV, Nachtegaal M, Koster G, Baeumer C, de Jongh P, de Groot FMF. In Situ X-ray Absorption Spectroscopy of LaFeO 3 and LaFeO 3/LaNiO 3 Thin Films in the Electrocatalytic Oxygen Evolution Reaction. THE JOURNAL OF PHYSICAL CHEMISTRY. C, NANOMATERIALS AND INTERFACES 2024; 128:5515-5523. [PMID: 38595773 PMCID: PMC11000219 DOI: 10.1021/acs.jpcc.3c07864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 02/23/2024] [Accepted: 02/26/2024] [Indexed: 04/11/2024]
Abstract
We study the electrocatalytic oxygen evolution reaction using in situ X-ray absorption spectroscopy (XAS) to track the dynamics of the valence state and the covalence of the metal ions of LaFeO3 and LaFeO3/LaNiO3 thin films. The active materials are 8 unit cells grown epitaxially on 100 nm conductive La0.67Sr0.33MnO3 layers using pulsed laser deposition (PLD). The perovskite layers are supported on monolayer Ca2Nb3O10 nanosheet-buffered 100 nm SiNx membranes. The in situ Fe and Ni K-edges XAS spectra were measured from the backside of the SiNx membrane using fluorescence yield detection under electrocatalytic reaction conditions. The XAS spectra show significant spectral changes, which indicate that (1) the metal (co)valencies increase, and (2) the number of 3d electrons remains constant with applied potential. We find that the whole 8 unit cells react to the potential changes, including the buried LaNiO3 film.
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Affiliation(s)
- Qijun Che
- Materials
Chemistry and Catalysis, Debye Institute for Nanomaterials Science, Utrecht University, Universiteitsweg 99, Utrecht 3584 CG, The Netherlands
| | | | - Phu T. P. Le
- MESA+
Institute for Nanotechnology, University
of Twente, Enschede 7500 AE, The Netherlands
| | - Masoud Lazemi
- Materials
Chemistry and Catalysis, Debye Institute for Nanomaterials Science, Utrecht University, Universiteitsweg 99, Utrecht 3584 CG, The Netherlands
| | - Emma van der Minne
- MESA+
Institute for Nanotechnology, University
of Twente, Enschede 7500 AE, The Netherlands
| | - Yorick A. Birkhölzer
- MESA+
Institute for Nanotechnology, University
of Twente, Enschede 7500 AE, The Netherlands
| | - Moritz Nunnenkamp
- MESA+
Institute for Nanotechnology, University
of Twente, Enschede 7500 AE, The Netherlands
| | - Matt L. J. Peerlings
- Materials
Chemistry and Catalysis, Debye Institute for Nanomaterials Science, Utrecht University, Universiteitsweg 99, Utrecht 3584 CG, The Netherlands
| | | | | | - Gertjan Koster
- MESA+
Institute for Nanotechnology, University
of Twente, Enschede 7500 AE, The Netherlands
| | - Christoph Baeumer
- MESA+
Institute for Nanotechnology, University
of Twente, Enschede 7500 AE, The Netherlands
| | - Petra de Jongh
- Materials
Chemistry and Catalysis, Debye Institute for Nanomaterials Science, Utrecht University, Universiteitsweg 99, Utrecht 3584 CG, The Netherlands
| | - Frank M. F. de Groot
- Materials
Chemistry and Catalysis, Debye Institute for Nanomaterials Science, Utrecht University, Universiteitsweg 99, Utrecht 3584 CG, The Netherlands
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23
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Zhao JW, Yue K, Zhang H, Wei SY, Zhu J, Wang D, Chen J, Fominski VY, Li GR. The formation of unsaturated IrO x in SrIrO 3 by cobalt-doping for acidic oxygen evolution reaction. Nat Commun 2024; 15:2928. [PMID: 38575606 PMCID: PMC10995174 DOI: 10.1038/s41467-024-46801-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 03/11/2024] [Indexed: 04/06/2024] Open
Abstract
Electrocatalytic water splitting is a promising route for sustainable hydrogen production. However, the high overpotential of the anodic oxygen evolution reaction poses significant challenge. SrIrO3-based perovskite-type catalysts have shown great potential for acidic oxygen evolution reaction, but the origins of their high activity are still unclear. Herein, we develop a Co-doped SrIrO3 system to enhance oxygen evolution reaction activity and elucidate the origin of catalytic activity. In situ experiments reveal Co activates surface lattice oxygen, rapidly exposing IrOx active sites, while bulk Co doping optimizes the adsorbate binding energy of IrOx. The Co-doped SrIrO3 demonstrates high oxygen evolution reaction electrocatalytic activity, markedly surpassing the commercial IrO2 catalysts in both conventional electrolyzer and proton exchange membrane water electrolyzer.
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Affiliation(s)
- Jia-Wei Zhao
- College of Materials Science and Engineering, Sichuan University, Chengdu, 610065, China
- School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, China
- Department of Mechanical Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong SAR, 999077, China
| | - Kaihang Yue
- CAS Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences (SICCAS), 585 Heshuo Road, Shanghai, 200050, China
| | - Hong Zhang
- Electron Microscopy Centre, School of Physical Science and Technology, Lanzhou University, Lanzhou, 730099, China
| | - Shu-Yin Wei
- School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, China
| | - Jiawei Zhu
- Department of Mechanical Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong SAR, 999077, China
| | - Dongdong Wang
- Department of Mechanical Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong SAR, 999077, China
| | - Junze Chen
- College of Materials Science and Engineering, Sichuan University, Chengdu, 610065, China
| | - Vyacheslav Yu Fominski
- National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), Kashirskoe sh. 31, Moscow, 115409, Russia
| | - Gao-Ren Li
- College of Materials Science and Engineering, Sichuan University, Chengdu, 610065, China.
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24
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Yan Z, Guo S, Tan Z, Wang L, Li G, Tang M, Feng Z, Yuan X, Wang Y, Cao B. Research Advances of Non-Noble Metal Catalysts for Oxygen Evolution Reaction in Acid. MATERIALS (BASEL, SWITZERLAND) 2024; 17:1637. [PMID: 38612151 PMCID: PMC11012601 DOI: 10.3390/ma17071637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Revised: 03/22/2024] [Accepted: 03/27/2024] [Indexed: 04/14/2024]
Abstract
Water splitting is an important way to obtain hydrogen applied in clean energy, which mainly consists of two half-reactions: hydrogen evolution reaction (HER) and oxygen evolution reaction (OER). However, the kinetics of the OER of water splitting, which occurs at the anode, is slow and inefficient, especially in acid. Currently, the main OER catalysts are still based on noble metals, such as Ir and Ru, which are the main active components. Hence, the exploration of new OER catalysts with low cost, high activity, and stability has become a key issue in the research of electrolytic water hydrogen production technology. In this paper, the reaction mechanism of OER in acid was discussed and summarized, and the main methods to improve the activity and stability of non-noble metal OER catalysts were summarized and categorized. Finally, the future prospects of OER catalysts in acid were made to provide a little reference idea for the development of advanced OER catalysts in acid in the future.
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Affiliation(s)
- Zhenwei Yan
- School of Mechanical Engineering, North China University of Water Resources and Electric Power, Zhengzhou 450011, China; (S.G.); (Z.T.); (G.L.); (X.Y.); (Y.W.); (B.C.)
| | - Shuaihui Guo
- School of Mechanical Engineering, North China University of Water Resources and Electric Power, Zhengzhou 450011, China; (S.G.); (Z.T.); (G.L.); (X.Y.); (Y.W.); (B.C.)
| | - Zhaojun Tan
- School of Mechanical Engineering, North China University of Water Resources and Electric Power, Zhengzhou 450011, China; (S.G.); (Z.T.); (G.L.); (X.Y.); (Y.W.); (B.C.)
| | - Lijun Wang
- School of Mechanical Engineering, North China University of Water Resources and Electric Power, Zhengzhou 450011, China; (S.G.); (Z.T.); (G.L.); (X.Y.); (Y.W.); (B.C.)
| | - Gang Li
- School of Mechanical Engineering, North China University of Water Resources and Electric Power, Zhengzhou 450011, China; (S.G.); (Z.T.); (G.L.); (X.Y.); (Y.W.); (B.C.)
| | - Mingqi Tang
- School of Materials Science and Engineering, North China University of Water Resources and Electric Power, Zhengzhou 450011, China; (M.T.); (Z.F.)
| | - Zaiqiang Feng
- School of Materials Science and Engineering, North China University of Water Resources and Electric Power, Zhengzhou 450011, China; (M.T.); (Z.F.)
| | - Xianjie Yuan
- School of Mechanical Engineering, North China University of Water Resources and Electric Power, Zhengzhou 450011, China; (S.G.); (Z.T.); (G.L.); (X.Y.); (Y.W.); (B.C.)
| | - Yingjia Wang
- School of Mechanical Engineering, North China University of Water Resources and Electric Power, Zhengzhou 450011, China; (S.G.); (Z.T.); (G.L.); (X.Y.); (Y.W.); (B.C.)
| | - Bin Cao
- School of Mechanical Engineering, North China University of Water Resources and Electric Power, Zhengzhou 450011, China; (S.G.); (Z.T.); (G.L.); (X.Y.); (Y.W.); (B.C.)
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25
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Li A, Tang X, Cao R, Song D, Wang F, Yan H, Chen H, Wei Z. Directed Surface Reconstruction of Fe Modified Co 2VO 4 Spinel Oxides for Water Oxidation Catalysts Experiencing Self-Terminating Surface Deterioration. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024:e2401818. [PMID: 38529734 DOI: 10.1002/adma.202401818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Revised: 03/20/2024] [Indexed: 03/27/2024]
Abstract
Affordable highly efficient catalysts for electrochemical oxygen evolution reaction (OER) play pivotal roles in green hydrogen production via water electrolysis. Regarding the non-noble metal-based electrocatalysts, considerable efforts are made to decipher the cation leaching and surface reconstruction; yet, little attention is focused on correlating them with catalytical activity and stability. Herein, in situ reconstruction of Fe-modified Co2VO4 precursor catalyst to form a highly active (Fe,V)-doped CoOOH phase for OER is reported, during which partial leaching of V accelerates the surface reconstruction and the V reserved in the reconstructed CoOOH layer in the form of alkali-resistant V2O3 serves for dynamic charge compensation and prevention of excessive loss of lattice oxygen and Co dissolution. Fe substitution facilitates Co pre-oxidation and endows the catalysts with structural flexibility by elevating O 2p band level; hence, encouraging participation of lattice oxygen in OER. The optimized Co2Fe0.25V0.75O4 electrode can afford current densities of 10 and 500 mA cm-2 at low overpotentials of 205 and 320 mV, respectively, with satisfactory stability over 600 h. By coupling with Pt/C cathode, the assembled alkaline electrolyzer can deliver 500 mA cm-2 at a low cell voltage of 1.798 V, better than that of commercial RuO2 (+) || Pt/C (-).
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Affiliation(s)
- Ang Li
- The State Key Laboratory of Power Transmission Equipment and System Security and New Technology, Chongqing Key Laboratory of Chemical Process for Clean Energy and Resource Utilization, School of Chemistry and Chemical Engineering, Chongqing University, Shazhengjie 174, Chongqing, 400044, China
| | - Xiaoxia Tang
- The State Key Laboratory of Power Transmission Equipment and System Security and New Technology, Chongqing Key Laboratory of Chemical Process for Clean Energy and Resource Utilization, School of Chemistry and Chemical Engineering, Chongqing University, Shazhengjie 174, Chongqing, 400044, China
| | - Runjie Cao
- College of Polymer Science and Engineering, Sichuan University, No. 29 Jiuyanqiao Wangjiang Road, Chengdu, 610064, China
| | - Dongcai Song
- The State Key Laboratory of Power Transmission Equipment and System Security and New Technology, Chongqing Key Laboratory of Chemical Process for Clean Energy and Resource Utilization, School of Chemistry and Chemical Engineering, Chongqing University, Shazhengjie 174, Chongqing, 400044, China
| | - Fangzheng Wang
- The State Key Laboratory of Power Transmission Equipment and System Security and New Technology, Chongqing Key Laboratory of Chemical Process for Clean Energy and Resource Utilization, School of Chemistry and Chemical Engineering, Chongqing University, Shazhengjie 174, Chongqing, 400044, China
| | - Hua Yan
- The State Key Laboratory of Power Transmission Equipment and System Security and New Technology, Chongqing Key Laboratory of Chemical Process for Clean Energy and Resource Utilization, School of Chemistry and Chemical Engineering, Chongqing University, Shazhengjie 174, Chongqing, 400044, China
| | - Hongmei Chen
- The State Key Laboratory of Power Transmission Equipment and System Security and New Technology, Chongqing Key Laboratory of Chemical Process for Clean Energy and Resource Utilization, School of Chemistry and Chemical Engineering, Chongqing University, Shazhengjie 174, Chongqing, 400044, China
| | - Zidong Wei
- The State Key Laboratory of Power Transmission Equipment and System Security and New Technology, Chongqing Key Laboratory of Chemical Process for Clean Energy and Resource Utilization, School of Chemistry and Chemical Engineering, Chongqing University, Shazhengjie 174, Chongqing, 400044, China
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26
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Miao L, Jia W, Cao X, Jiao L. Computational chemistry for water-splitting electrocatalysis. Chem Soc Rev 2024; 53:2771-2807. [PMID: 38344774 DOI: 10.1039/d2cs01068b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Abstract
Electrocatalytic water splitting driven by renewable electricity has attracted great interest in recent years for producing hydrogen with high-purity. However, the practical applications of this technology are limited by the development of electrocatalysts with high activity, low cost, and long durability. In the search for new electrocatalysts, computational chemistry has made outstanding contributions by providing fundamental laws that govern the electron behavior and enabling predictions of electrocatalyst performance. This review delves into theoretical studies on electrochemical water-splitting processes. Firstly, we introduce the fundamentals of electrochemical water electrolysis and subsequently discuss the current advancements in computational methods and models for electrocatalytic water splitting. Additionally, a comprehensive overview of benchmark descriptors is provided to aid in understanding intrinsic catalytic performance for water-splitting electrocatalysts. Finally, we critically evaluate the remaining challenges within this field.
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Affiliation(s)
- Licheng Miao
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), College of Chemistry, Nankai University, Tianjin 300071, China.
| | - Wenqi Jia
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), College of Chemistry, Nankai University, Tianjin 300071, China.
| | - Xuejie Cao
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), College of Chemistry, Nankai University, Tianjin 300071, China.
| | - Lifang Jiao
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), College of Chemistry, Nankai University, Tianjin 300071, China.
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27
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Li J, Tian W, Li Q, Zhao S. Acidic Oxygen Evolution Reaction: Fundamental Understanding and Electrocatalysts Design. CHEMSUSCHEM 2024:e202400239. [PMID: 38481084 DOI: 10.1002/cssc.202400239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Revised: 03/07/2024] [Indexed: 04/05/2024]
Abstract
Water electrolysis driven by "green electricity" is an ideal technology to realize energy conversion and store renewable energy into hydrogen. With the development of proton exchange membrane (PEM), water electrolysis in acidic media suitable for many situations with an outstanding advantage of high gas purity has attracted significant attention. Compared with hydrogen evolution reaction (HER) in water electrolysis, oxygen evolution reaction (OER) is a kinetic sluggish process that needs a higher overpotential. Especially in acidic media, OER process poses higher requirements for the electrocatalysts, such as high efficiency, high stability and low costs. This review focuses on the acidic OER electrocatalysis, reaction mechanisms, and critical parameters used to evaluate performance. Especially the modification strategies applied in the design and construction of new-type electrocatalysts are also summarized. The characteristics of traditional noble metal-based electrocatalysts and the noble metal-free electrocatalysts developed in recent decades are compared and discussed. Finally, the current challenges for the most promising acidic OER electrocatalysts are presented, together with a perspective for future water electrolysis.
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Affiliation(s)
- Jiao Li
- School of Materials Science and Engineering, Shijiazhuang Tiedao University, Shijiazhuang, 050043, P.R. China
| | - Weichen Tian
- School of Materials Science and Engineering, Shijiazhuang Tiedao University, Shijiazhuang, 050043, P.R. China
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190, P.R. China
| | - Qi Li
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, P.R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P.R. China
| | - Shenlong Zhao
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190, P.R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P.R. China
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28
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Abdelghafar F, Xu X, Jiang SP, Shao Z. Perovskite for Electrocatalytic Oxygen Evolution at Elevated Temperatures. CHEMSUSCHEM 2024:e202301534. [PMID: 38470975 DOI: 10.1002/cssc.202301534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2023] [Revised: 03/10/2024] [Accepted: 03/12/2024] [Indexed: 03/14/2024]
Abstract
The development of advanced electrolysis technologies such as anion exchange membrane water electrolyzer (AEMWE) is central to the vision of a sustainable energy future. Key to the realization of such AEMWE technology lies in the exploration of low-cost and high-efficient catalysts for facilitating the anodic oxygen evolution reaction (OER). Despite tremendous efforts in the fundamental research, most of today's OER works are conducted under room temperature, which deviates significantly with AEMWE's operating temperature (50-80 °C). To bridge this gap, it is highly desirable to obtain insights into the OER catalytic behavior at elevated temperatures. Herein, using the well-known perovskite catalyst Ba0.5Sr0.5Co0.8Fe0.2O3-δ (BSCF) as a proof of concept, the effect of temperature on the variation in OER catalytic activity and stability is evaluated. It is found that the BSCF's activity increases with increasing temperature due to enhanced lattice oxygen participation promoting the lattice oxygen-mediated OER process. Further, surface amorphization and cation leaching of BSCF become more pronounced as temperature increases, causing a somewhat attenuated OER stability. These new understandings of the fundamental OER catalysis over perovskite materials at industrial-relevant temperature conditions are expected to have strong implications for the research of OER catalysts to be deployed in practical water electrolyzers.
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Affiliation(s)
- Fatma Abdelghafar
- WA School of Mines: Minerals, Energy and Chemical Engineering (WASM-MECE), Curtin University, Perth, WA, 6102, Australia
- Department of Evaluation and Analysis, Egyptian Petroleum Research Institute, Cairo, 11727, Egypt
| | - Xiaomin Xu
- WA School of Mines: Minerals, Energy and Chemical Engineering (WASM-MECE), Curtin University, Perth, WA, 6102, Australia
| | - San Ping Jiang
- WA School of Mines: Minerals, Energy and Chemical Engineering (WASM-MECE), Curtin University, Perth, WA, 6102, Australia
- Foshan Xianhu Laboratory of the Advanced Energy Science and Technology Guangdong Laboratory, Foshan, 528216, China
| | - Zongping Shao
- WA School of Mines: Minerals, Energy and Chemical Engineering (WASM-MECE), Curtin University, Perth, WA, 6102, Australia
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29
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Ding P, Xue Y, Chai Z, Hu Q, Tong C, Teobaldi G, Liu LM. Circumventing the Theoretical Scaling Relation Limit for the Oxygen Evolution Reaction. J Phys Chem Lett 2024:2859-2866. [PMID: 38445979 DOI: 10.1021/acs.jpclett.4c00201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2024]
Abstract
Transition metal hydr(oxy)oxides (TMHs) are considered efficient electrocatalysts for the oxygen evolution reaction (OER) under alkaline conditions. Toward identification of potential descriptors to circumvent the scaling relation limit for the OER, first-principles calculations were used to quantify the effects on the overpotential of different s (Mg), p (Al), and d (Ti, V, Cr, Fe, Co, Sc, and Zn) electron dopants in Ni-based TMHs. Both the adsorbate evolution mechanism (AEM) and the lattice oxygen-mediated mechanism (LOM) were examined. The results demonstrate that the formation energy of oxygen vacancies (EVO) is strongly affected by the chemical nature of the dopants. A linear relationship is identified between EVO and the free energy difference for the oxygen-oxygen coupling. A descriptor could be employed to discriminate whether the LOM is energetically favored over the AEM. These findings fill existing gaps in appropriate yet computationally light descriptors for direct identification between the AEM and LOM.
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Affiliation(s)
- Peijia Ding
- School of Physics, Beihang University, Beijing 100191, People's Republic of China
| | - Yufeng Xue
- School of Physics, Beihang University, Beijing 100191, People's Republic of China
| | - Ziwei Chai
- Department of Chemistry, University of Zurich, CH-8057 Zurich, Switzerland
| | - Qi Hu
- School of Physics, Beihang University, Beijing 100191, People's Republic of China
- School of Chemistry, Beihang University, Beijing 100191, People's Republic of China
| | - Chuanjia Tong
- Institute of Physics, Hunan Key Laboratory of Nanophotonics and Devices, Hunan Key Laboratory of Super-Microstructure and Ultrafast Process, School of Physics, Central South University, Changsha, Hunan 410083, People's Republic of China
| | - Gilberto Teobaldi
- Scientific Computing Department, Science and Technology Facilities Council (STFC) UK Research and Innovation (UKRI), Rutherford Appleton Laboratory, Harwell Campus, Didcot OX11 0QX, United Kingdom
| | - Li-Min Liu
- School of Physics, Beihang University, Beijing 100191, People's Republic of China
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30
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Fan J, Zhang X, Han M, Xiang X, Guo C, Lin Y, Shi N, Xu D, Lai Y, Bao J. Amorphous Ni-Fe-Mo Oxides Coupled with Crystalline Metallic Domains for Enhanced Electrocatalytic Oxygen Evolution by Promoted Lattice-Oxygen Participation. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2303927. [PMID: 37875651 DOI: 10.1002/smll.202303927] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 10/10/2023] [Indexed: 10/26/2023]
Abstract
The crystalline/amorphous heterophase nanostructures are promising functional materials for biomedicals, catalysis, energy conversion, and storage. Despite great progress is achieved, facile synthesis of crystalline metal/amorphous multinary metal oxides nanohybrids remains challenging, and their electrocatalytic oxygen evolution reaction (OER) performance along with the catalytic mechanism are not systematically investigated. Herein, two kinds of ultrafine crystalline metal domains coupled with amorphous Ni-Fe-Mo oxides heterophase nanohybrids, including Ni/Ni0.5-a Fe0.5 Mo1.5 Ox and Ni-FeNi3 /Ni0.5-b Fe0.5-y Mo1.5 Ox , are fabricated through controllable reduction of amorphous Ni0.5 Fe0.5 Mo1.5 Ox precursors by simply tuning the amount of used reductant. Due to the suited component in metal domains, the special structure with dense crystalline/amorphous interfaces, and strong electronic coupling of their components, the resultant Ni-FeNi3 /Ni0.5-b Fe0.5-y Mo1.5 Ox nanohybrids show greatly enhanced OER activity with a low overpotential (278 mV) to reach 10 mA cm-2 current density and ultrahigh turnover frequency (38160 h-1 ), outperforming Ni/Ni0.5-a Fe0.5 Mo1.5 Ox , Ni0.5 Fe0.5 Mo1.5 Ox precursors, commercial IrO2 , and most of recently reported OER catalysts. Also, such Ni-FeNi3 /Ni0.5-b Fe0.5-y Mo1.5 Ox nanohybrids manifest good catalytic stability. As revealed by a series of spectroscopy and electrochemical analyses, their OER mechanism follows the lattice-oxygen-mediated (LOM) pathway. This work may shed light on the design of advanced heterophase nanohybrids, and promote their applications in water splitting, metal-air batteries, or other clean energy fields.
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Affiliation(s)
- Jiayao Fan
- Jiangsu Key Laboratory of New Power Batteries, and Jiangsu Key Laboratory of Biofunctional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, P. R. China
- Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, 230026, P. R. China
| | - Xinyu Zhang
- Jiangsu Key Laboratory of New Power Batteries, and Jiangsu Key Laboratory of Biofunctional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, P. R. China
| | - Min Han
- Jiangsu Key Laboratory of New Power Batteries, and Jiangsu Key Laboratory of Biofunctional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, P. R. China
- Fujian Cross Strait Institute of Flexible Electronics (Future Technology), Fujian Normal University, Fuzhou, 350117, P. R. China
- State Key Laboratory of Coordination Chemistry, Nanjing National Laboratory of Solid State Microstructures, Nanjing University, Nanjing, 210093, P. R. China
| | - Xing Xiang
- Fujian Cross Strait Institute of Flexible Electronics (Future Technology), Fujian Normal University, Fuzhou, 350117, P. R. China
| | - Cong Guo
- Jiangsu Key Laboratory of New Power Batteries, and Jiangsu Key Laboratory of Biofunctional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, P. R. China
| | - Yue Lin
- Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, 230026, P. R. China
| | - Naien Shi
- Fujian Cross Strait Institute of Flexible Electronics (Future Technology), Fujian Normal University, Fuzhou, 350117, P. R. China
| | - Dongdong Xu
- Jiangsu Key Laboratory of New Power Batteries, and Jiangsu Key Laboratory of Biofunctional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, P. R. China
| | - Yu Lai
- Fujian Cross Strait Institute of Flexible Electronics (Future Technology), Fujian Normal University, Fuzhou, 350117, P. R. China
| | - Jianchun Bao
- Jiangsu Key Laboratory of New Power Batteries, and Jiangsu Key Laboratory of Biofunctional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, P. R. China
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31
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Aso R, Katsumata T, Nakamura T, Watase Y, Amezawa K, Murakami Y. Structural and electronic characterization of fluorine-doped La0.5Sr0.5CoO3-δ using electron energy-loss spectroscopy. Microscopy (Oxf) 2024; 73:22-30. [PMID: 37243701 DOI: 10.1093/jmicro/dfad031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2023] [Revised: 05/23/2023] [Accepted: 05/25/2023] [Indexed: 05/29/2023] Open
Abstract
Perovskite oxides, ABO3, are potential catalysts for the oxygen evolution reaction, which is important in the production of hydrogen as a sustainable energy resource. Optimizing the chemical composition of such oxides by substitution or doping with additional elements is an effective approach to improving the activity of such catalysts. Here, we characterized the crystal and electronic structures of fluorine-doped La0.5Sr0.5CoO3-δ particles using scanning transmission electron microscopy (STEM) and electron energy-loss spectroscopy (EELS). High-resolution STEM imaging demonstrated the formation of a disordered surface phase caused by fluorine doping. In addition, spatially resolved EELS data showed that fluorine anions were introduced into the interiors of the particles and that Co ions near the surfaces were slightly reduced by fluorine doping in conjunction with the loss of oxygen ions. Peak fitting of energy-loss near-edge structure data demonstrated an unexpected nanostructure in the vicinity of the surface. An EELS characterization comprising elemental mapping together with an energy-loss near-edge structure analysis indicated that this nanostructure could not be assigned to Co-based materials but rather to the solid electrolyte BaF2. Complementary structural and electronic characterizations using STEM and EELS as demonstrated herein evidently have the potential to play an increasingly important role in elucidating the nanostructures of functional materials.
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Affiliation(s)
- Ryotaro Aso
- Department of Applied Quantum Physics and Nuclear Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Takuya Katsumata
- Graduate School of Engineering, Tohoku University, 6-6-1 Aramaki-Aoba, Aoba-ku, Sendai 980-8579, Japan
| | - Takashi Nakamura
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan
| | - Yusuke Watase
- Department of Applied Quantum Physics and Nuclear Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Koji Amezawa
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan
| | - Yasukazu Murakami
- Department of Applied Quantum Physics and Nuclear Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
- The Ultramicroscopy Research Center, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
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32
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Ye P, Fang K, Wang H, Wang Y, Huang H, Mo C, Ning J, Hu Y. Lattice oxygen activation and local electric field enhancement by co-doping Fe and F in CoO nanoneedle arrays for industrial electrocatalytic water oxidation. Nat Commun 2024; 15:1012. [PMID: 38307871 PMCID: PMC10837452 DOI: 10.1038/s41467-024-45320-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2023] [Accepted: 01/19/2024] [Indexed: 02/04/2024] Open
Abstract
Oxygen evolution reaction (OER) is critical to renewable energy conversion technologies, but the structure-activity relationships and underlying catalytic mechanisms in catalysts are not fully understood. We herein demonstrate a strategy to promote OER with simultaneously achieved lattice oxygen activation and enhanced local electric field by dual doping of cations and anions. Rough arrays of Fe and F co-doped CoO nanoneedles are constructed, and a low overpotential of 277 mV at 500 mA cm-2 is achieved. The dually doped Fe and F could cooperatively tailor the electronic properties of CoO, leading to improved metal-oxygen covalency and stimulated lattice oxygen activation. Particularly, Fe doping induces a synergetic effect of tip enhancement and proximity effect, which effectively concentrates OH- ions, optimizes reaction energy barrier and promotes O2 desorption. This work demonstrates a conceptual strategy to couple lattice oxygen and local electric field for effective electrocatalytic water oxidation.
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Affiliation(s)
- Pengcheng Ye
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Department of Chemistry, Zhejiang Normal University, Jinhua, 321004, China
| | - Keqing Fang
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Department of Chemistry, Zhejiang Normal University, Jinhua, 321004, China
| | - Haiyan Wang
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Department of Chemistry, Zhejiang Normal University, Jinhua, 321004, China.
| | - Yahao Wang
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Department of Chemistry, Zhejiang Normal University, Jinhua, 321004, China
| | - Hao Huang
- Department of Microsystems, University of South-Eastern Norway, Borre, 3184, Norway.
| | - Chenbin Mo
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Department of Chemistry, Zhejiang Normal University, Jinhua, 321004, China
| | - Jiqiang Ning
- Department of Optical Science and Engineering, Fudan University, Shanghai, 200438, China
| | - Yong Hu
- College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou, 311300, China.
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33
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Li Q, Zhang D, Wu J, Dai S, Liu H, Lu M, Cui R, Liang W, Wang D, Xi P, Liu M, Li H, Huang L. Cation-Deficient Perovskites Greatly Enhance the Electrocatalytic Activity for Oxygen Reduction Reaction. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2309266. [PMID: 38019100 DOI: 10.1002/adma.202309266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 11/27/2023] [Indexed: 11/30/2023]
Abstract
Many perovskite oxides (ABO3 ) are considered the most promising alternatives to noble metal catalysts for oxygen reduction reaction (ORR) due to their high intrinsic activities. However, their electrocatalytic performance is often limited by poor electrical conductivity and low specific surface area. Here an electrochemically induced calcium-leaching process is reported to greatly increase the electrochemical surface area (ECSA) of La0.6 Ca0.4 MnO3 (LCMO64). The ECSA of the activated, Ca-deficient LCMO64 is ≈33.84% higher than that of the unactivated materials, demonstrating superior electrocatalytic ORR performance to the benchmark commercial Pt/C catalyst in an alkaline solution. Theoretical analysis coupled with electrochemical surface state probing and pH-dependent microkinetic modeling suggests that this catalyst with the identified most favorable state under ORR operating conditions reaches the Sabatier optimum of alkaline ORR. This reconstructed LCMO64 is among the best-performing ORR catalysts ever reported, providing new insights into the design of advanced perovskite materials with optimal surface chemistry.
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Affiliation(s)
- Qun Li
- Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, 430074, China
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication & CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, China
| | - Di Zhang
- Advanced Institute for Materials Research (WPI-AIMR), Tohoku University, Sendai, 980-8577, Japan
| | - Jiabin Wu
- Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, 430074, China
- Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Simin Dai
- Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Heng Liu
- Advanced Institute for Materials Research (WPI-AIMR), Tohoku University, Sendai, 980-8577, Japan
| | - Min Lu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, China
| | - Renwen Cui
- Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Wenxi Liang
- Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Dingsheng Wang
- Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Pinxian Xi
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, China
| | - Meilin Liu
- School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA, 30332-0245, USA
| | - Hao Li
- Advanced Institute for Materials Research (WPI-AIMR), Tohoku University, Sendai, 980-8577, Japan
| | - Liang Huang
- Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, 430074, China
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Yu H, Liedienov N, Zatovsky I, Butenko D, Fesych I, Xu W, Song C, Li Q, Liu B, Pashchenko A, Levchenko G. The Multifunctionality of Lanthanum-Strontium Cobaltite Nanopowder: High-Pressure Magnetic Studies and Excellent Electrocatalytic Properties for OER. ACS APPLIED MATERIALS & INTERFACES 2024; 16:3605-3620. [PMID: 38207161 PMCID: PMC10811629 DOI: 10.1021/acsami.3c06413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 12/12/2023] [Accepted: 12/19/2023] [Indexed: 01/13/2024]
Abstract
Simultaneous study of magnetic and electrocatalytic properties of cobaltites under extreme conditions expands the understanding of physical and chemical processes proceeding in them with the possibility of their further practical application. Therefore, La0.6Sr0.4CoO3 (LSCO) nanopowders were synthesized at different annealing temperatures tann = 850-900 °C, and their multifunctional properties were studied comprehensively. As tann increases, the rhombohedral perovskite structure of the LSCO becomes more single-phase, whereas the average particle size and dispersion grow. Co3+ and Co4+ are the major components. It has been found that LSCO-900 shows two main Curie temperatures, TC1 and TC2, associated with a particle size distribution. As pressure P increases, average ⟨TC1⟩ and ⟨TC2⟩ increase from 253 and 175 K under ambient pressure to 268 and 180 K under P = 0.8 GPa, respectively. The increment of ⟨dTC/dP⟩ for the smaller and bigger particles is sufficiently high and equals 10 and 13 K/GPa, respectively. The magnetocaloric effect in the LSCO-900 nanopowder demonstrates an extremely wide peak δTfwhm > 50 K that can be used as one of the composite components, expanding its working temperature window. Moreover, all LSCO samples showed excellent electrocatalytic performance for the oxygen evolution reaction (OER) process (overpotentials of only 265-285 mV at a current density of 10 mA cm-2) with minimal η10 for LSCO-900. Based on the experimental data, it was concluded that the formation of a dense amorphous layer on the surface of the particles ensures high stability as a catalyst (at least 24 h) during electrolysis in 1 M KOH electrolyte.
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Affiliation(s)
- Hanlin Yu
- State
Key Laboratory of Superhard Materials, International Center of Future
Science, Jilin University, Changchun 130012, P.R. China
| | - Nikita Liedienov
- State
Key Laboratory of Superhard Materials, International Center of Future
Science, Jilin University, Changchun 130012, P.R. China
- Donetsk
Institute for Physics and Engineering named after O.O. Galkin, NASU, Kyiv 03028, Ukraine
| | - Igor Zatovsky
- F.D.
Ovcharenko Institute of Biocolloidal Chemistry, NASU, Kyiv 03142, Ukraine
| | - Denys Butenko
- Department
of Physics, Southern University of Science
and Technology, Shenzhen 518055, P.R. China
| | - Igor Fesych
- Taras
Shevchenko National University of Kyiv, Kyiv 01030 , Ukraine
- Institute
of Magnetism NASU and MESU, Kyiv 03142, Ukraine
| | - Wei Xu
- State
Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College
of Chemistry, Jilin University, Changchun 130012, P.R. China
| | - Chunrui Song
- Baicheng
Normal University, Baicheng 137099, China
| | - Quanjun Li
- State
Key Laboratory of Superhard Materials, International Center of Future
Science, Jilin University, Changchun 130012, P.R. China
| | - Bingbing Liu
- State
Key Laboratory of Superhard Materials, International Center of Future
Science, Jilin University, Changchun 130012, P.R. China
| | - Aleksey Pashchenko
- State
Key Laboratory of Superhard Materials, International Center of Future
Science, Jilin University, Changchun 130012, P.R. China
- Donetsk
Institute for Physics and Engineering named after O.O. Galkin, NASU, Kyiv 03028, Ukraine
- Institute
of Magnetism NASU and MESU, Kyiv 03142, Ukraine
| | - Georgiy Levchenko
- State
Key Laboratory of Superhard Materials, International Center of Future
Science, Jilin University, Changchun 130012, P.R. China
- Donetsk
Institute for Physics and Engineering named after O.O. Galkin, NASU, Kyiv 03028, Ukraine
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35
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Dhakar S, Mukhopadhyay S, Ottakam Thotiyl M, Sharma S. Methanol assisted water electrooxidation on noble metal free perovskite: RRDE insight into the catalyst's behaviour. J Colloid Interface Sci 2024; 654:688-697. [PMID: 37864873 DOI: 10.1016/j.jcis.2023.10.072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 10/06/2023] [Accepted: 10/15/2023] [Indexed: 10/23/2023]
Abstract
In this work, we have hypothesized that noble metal-free perovskites are an essential class of oxygen evolution reaction (OER) catalysts in an alkaline medium and thus, they are a suitable candidate for the assisted water oxidation catalysts. Herein, we demonstrate that the origin of the methanol-assisted OER activity at near thermodynamic potential on perovskite electrode arises due to the involvement of additional hydroxyls as a result of dissociative chemisorption of methanol. When the perovskite electrode is screened for methanol electrooxidation reaction in 0.5 M KOH + 0.5 M methanol electrolyte, it delivers a two times higher current density. This imparts an 82 % increase in the evolution of oxygen gas moles with complete oxidation of methanol to carbon dioxide. Along with the electrochemical characterization to understand the electrocatalyst property, Rotating ring disk electrode (RRDE) technique is explored for the first time in literature to validate the catalyst's involvement during OER. RRDE is effective in understanding the lattice oxygen behaviour and methanol-assisted water electrooxidation during OER. Our results suggest new insights and ideas towards the oxygen evolution reaction process and the mechanistic insight into the elevated OER due to assisted methanol electrooxidation.
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Affiliation(s)
- Shikha Dhakar
- Department of Chemistry, Indian Institute of Technology Gandhinagar, Gandhinagar 382355
| | - Sanchayita Mukhopadhyay
- Department of Chemistry, Indian Institute of Science Education and Research, Pune, Maharashtra 411008, India
| | - Musthafa Ottakam Thotiyl
- Department of Chemistry, Indian Institute of Science Education and Research, Pune, Maharashtra 411008, India
| | - Sudhanshu Sharma
- Department of Chemistry, Indian Institute of Technology Gandhinagar, Gandhinagar 382355.
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36
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He H, Kou P, Zhang Z, Wang D, Zheng R, Sun H, Liu Y, Wang Z. Coupling high entropy oxide with hollow carbon spheres by rapid microwave solvothermal strategy for boosting oxygen evolution reaction. J Colloid Interface Sci 2024; 653:179-188. [PMID: 37713916 DOI: 10.1016/j.jcis.2023.09.063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 09/04/2023] [Accepted: 09/09/2023] [Indexed: 09/17/2023]
Abstract
High entropy oxides (HEOs) are promising oxygen evolution electrocatalysts due to the unique structure, inherent tunability, as well as excellent catalytic activity and stability. Herein, (FeCoNiCrMn)3O4 nanoparticles coupling with the hollow-mesoporous carbon spheres (HCS) has been designed and fabricated by a rapid and efficient microwave solvothermal followed by annealing. The prepared (FeCoNiCrMn)3O4 nanoparticles are highly dispersed on the HCS surface with an average particle size of approximately 3.3 nm. The composite with large surface areas can facilitate mass transfer and gas release, and it allows more active sites to be exposed. The obtained (FeCoNiCrMn)3O4/hollow-mesoporous carbon sphere composite catalyst with the optimal HEO load (HEO/HCS-3) exhibits outstanding oxygen evolution reaction (OER) electrocatalytic performance with a low overpotential of 263 mV at 10 mA cm-2, and a small Tafel slope of 41.24 mV dec-1, better than the pure (FeCoNiCrMn)3O4 and commercial RuO2 catalyst. The long-term durability of HEO/HCS-3 is also achieved by continuous electrolysis in 1 M KOH solution for more than 100 h. The outstanding catalytic performance of the composite can be ascribed to the clever structural design and the well-matched synthetic method. This research can guide the construction of high-efficient OER catalysts.
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Affiliation(s)
- Huan He
- School of Materials Science and Engineering, Northeastern University, Shenyang 110819, PR China; School of Resources and Materials, Northeastern University at Qinhuangdao, Qinhuangdao 066004, PR China
| | - Pengzu Kou
- School of Materials Science and Engineering, Northeastern University, Shenyang 110819, PR China; School of Resources and Materials, Northeastern University at Qinhuangdao, Qinhuangdao 066004, PR China
| | - Zhigui Zhang
- School of Materials Science and Engineering, Northeastern University, Shenyang 110819, PR China; School of Resources and Materials, Northeastern University at Qinhuangdao, Qinhuangdao 066004, PR China
| | - Dan Wang
- School of Materials Science and Engineering, Northeastern University, Shenyang 110819, PR China; School of Resources and Materials, Northeastern University at Qinhuangdao, Qinhuangdao 066004, PR China; Key Laboratory of Dielectric and Electrolyte Functional Material Hebei Province, Qinhuangdao, PR China.
| | - Runguo Zheng
- School of Materials Science and Engineering, Northeastern University, Shenyang 110819, PR China; School of Resources and Materials, Northeastern University at Qinhuangdao, Qinhuangdao 066004, PR China; Key Laboratory of Dielectric and Electrolyte Functional Material Hebei Province, Qinhuangdao, PR China
| | - Hongyu Sun
- School of Resources and Materials, Northeastern University at Qinhuangdao, Qinhuangdao 066004, PR China
| | - Yanguo Liu
- School of Materials Science and Engineering, Northeastern University, Shenyang 110819, PR China; School of Resources and Materials, Northeastern University at Qinhuangdao, Qinhuangdao 066004, PR China; Key Laboratory of Dielectric and Electrolyte Functional Material Hebei Province, Qinhuangdao, PR China
| | - Zhiyuan Wang
- School of Materials Science and Engineering, Northeastern University, Shenyang 110819, PR China; School of Resources and Materials, Northeastern University at Qinhuangdao, Qinhuangdao 066004, PR China; Key Laboratory of Dielectric and Electrolyte Functional Material Hebei Province, Qinhuangdao, PR China.
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37
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Füngerlings A, Wohlgemuth M, Antipin D, van der Minne E, Kiens EM, Villalobos J, Risch M, Gunkel F, Pentcheva R, Baeumer C. Crystal-facet-dependent surface transformation dictates the oxygen evolution reaction activity in lanthanum nickelate. Nat Commun 2023; 14:8284. [PMID: 38092726 PMCID: PMC10719283 DOI: 10.1038/s41467-023-43901-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Accepted: 11/23/2023] [Indexed: 12/17/2023] Open
Abstract
Electrocatalysts are the cornerstone in the transition to sustainable energy technologies and chemical processes. Surface transformations under operation conditions dictate the activity and stability. However, the dependence of the surface structure and transformation on the exposed crystallographic facet remains elusive, impeding rational catalyst design. We investigate the (001), (110) and (111) facets of a LaNiO3-δ electrocatalyst for water oxidation using electrochemical measurements, X-ray spectroscopy, and density functional theory calculations with a Hubbard U term. We reveal that the (111) overpotential is ≈ 30-60 mV lower than for the other facets. While a surface transformation into oxyhydroxide-like NiOO(H) may occur for all three orientations, it is more pronounced for (111). A structural mismatch of the transformed layer with the underlying perovskite for (001) and (110) influences the ratio of Ni2+ and Ni3+ to Ni4+ sites during the reaction and thereby the binding energy of reaction intermediates, resulting in the distinct catalytic activities of the transformed facets.
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Affiliation(s)
- Achim Füngerlings
- Department of Physics, Theoretical Physics and Center for Nanointegration (CENIDE), University of Duisburg-Essen, Lotharstraße 1, Duisburg, 47057, Germany
| | - Marcus Wohlgemuth
- Peter Gruenberg Institute and JARA-FIT, Forschungszentrum Juelich GmbH, Juelich, Wilhelm-Johnen-Straße, Jülich, 52428, Germany
| | - Denis Antipin
- Nachwuchsgruppe Gestaltung des Sauerstoffentwicklungsmechanismus, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Hahn-Meitner-Platz 1, Berlin, 14109, Germany
| | - Emma van der Minne
- MESA+ Institute for Nanotechnology, Faculty of Science and Technology, University of Twente, Hallenweg 15, Enschede, 7522, Netherlands
| | - Ellen Marijn Kiens
- MESA+ Institute for Nanotechnology, Faculty of Science and Technology, University of Twente, Hallenweg 15, Enschede, 7522, Netherlands
| | - Javier Villalobos
- Nachwuchsgruppe Gestaltung des Sauerstoffentwicklungsmechanismus, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Hahn-Meitner-Platz 1, Berlin, 14109, Germany
| | - Marcel Risch
- Nachwuchsgruppe Gestaltung des Sauerstoffentwicklungsmechanismus, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Hahn-Meitner-Platz 1, Berlin, 14109, Germany
| | - Felix Gunkel
- Peter Gruenberg Institute and JARA-FIT, Forschungszentrum Juelich GmbH, Juelich, Wilhelm-Johnen-Straße, Jülich, 52428, Germany
| | - Rossitza Pentcheva
- Department of Physics, Theoretical Physics and Center for Nanointegration (CENIDE), University of Duisburg-Essen, Lotharstraße 1, Duisburg, 47057, Germany.
| | - Christoph Baeumer
- MESA+ Institute for Nanotechnology, Faculty of Science and Technology, University of Twente, Hallenweg 15, Enschede, 7522, Netherlands.
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Wei Y, Hu Y, Da P, Weng Z, Xi P, Yan CH. Triggered lattice-oxygen oxidation with active-site generation and self-termination of surface reconstruction during water oxidation. Proc Natl Acad Sci U S A 2023; 120:e2312224120. [PMID: 38051768 PMCID: PMC10723130 DOI: 10.1073/pnas.2312224120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 09/22/2023] [Indexed: 12/07/2023] Open
Abstract
To master the activation law and mechanism of surface lattice oxygen for the oxygen evolution reaction (OER) is critical for the development of efficient water electrolysis. Herein, we propose a strategy for triggering lattice-oxygen oxidation and enabling non-concerted proton-electron transfers during OER conditions by substituting Al in La0.3Sr0.7CoO3-δ. According to our experimental data and density functional theory calculations, the substitution of Al can have a dual effect of promoting surface reconstruction into active Co oxyhydroxides and activating deprotonation on the reconstructed oxyhydroxide, inducing negatively charged oxygen as an active site. This leads to a significant improvement in the OER activity. Additionally, Al dopants facilitate the preoxidation of active cobalt metal, which introduces great structural flexibility due to elevated O 2p levels. As OER progresses, the accumulation of oxygen vacancies and lattice-oxygen oxidation on the catalyst surface leads to the termination of Al3+ leaching, thereby preventing further reconstruction. We have demonstrated a promising approach to achieving tunable electrochemical reconstruction by optimizing the electronic structure and gained a fundamental understanding of the activation mechanism of surface oxygen sites.
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Affiliation(s)
- Yicheng Wei
- State Key Laboratory of Applied Organic Chemistry, Frontiers Science Center for Rare Isotopes, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou730000, China
| | - Yang Hu
- State Key Laboratory of Applied Organic Chemistry, Frontiers Science Center for Rare Isotopes, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou730000, China
| | - Pengfei Da
- State Key Laboratory of Applied Organic Chemistry, Frontiers Science Center for Rare Isotopes, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou730000, China
| | - Zheng Weng
- State Key Laboratory of Applied Organic Chemistry, Frontiers Science Center for Rare Isotopes, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou730000, China
| | - Pinxian Xi
- State Key Laboratory of Applied Organic Chemistry, Frontiers Science Center for Rare Isotopes, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou730000, China
- State Key Laboratory of Baiyunobo Rare Earth Resource Researches and Comprehensive Utilization, Baotou Research Institute of Rare Earths, Baotou014030, China
| | - Chun-Hua Yan
- State Key Laboratory of Applied Organic Chemistry, Frontiers Science Center for Rare Isotopes, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou730000, China
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Rare Earth Materials Chemistry and Applications, Peking University-The University of Hong Kong Joint Laboratory in Rare Earth Materials and Bioinorganic Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing100871, China
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Kakati N, Anderson L, Li G, Sua-An DM, Karmakar A, Ocon JD, Chuang PYA. Indispensable Nafion Ionomer for High-Efficiency and Stable Oxygen Evolution Reaction in Alkaline Media. ACS APPLIED MATERIALS & INTERFACES 2023; 15:55559-55569. [PMID: 38058109 DOI: 10.1021/acsami.3c08377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/08/2023]
Abstract
Addressing the challenge of sluggish kinetics and limited stability in alkaline oxygen evolution reactions, recent exploration of novel electrochemical catalysts offers improved prospects. To expedite the assessment of these catalysts, a half-cell rotating disk electrode is often favored for its simplicity. However, the actual catalyst performance strongly depends on the fabricated catalyst layers, which encounter mass transport overpotentials. We systematically investigate the role and sequence of electrode drop-casting methods onto a glassy carbon electrode regarding the efficiency of the oxygen evolution reaction. The catalyst layer without Nafion experiences nearly 50% activity loss post stability test, while those with Nafion exhibit less than 5% activity loss. Additionally, the sequence of application of the catalyst and Nafion also shows a significant effect on catalyst stability. The catalyst activity increases by roughly 20% after the stability test when the catalyst layer is coated first with an ionomer layer, followed by drop-casting the catalysts. Based on the half-cell results, the Nafion ionomer not only acts as a binder in the catalyst layer but also enhances the interfacial interaction between the catalyst and electrolyte, promoting performance and stability. This study provides new insights into the efficient and accurate evaluation of electrocatalyst performance and stability as well as the role of Nafion ionomer in the catalyst layer.
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Affiliation(s)
- Nitul Kakati
- Department of Mechanical Engineering, University of California, Merced, Merced, California 95343, United States
| | - Lawrence Anderson
- Department of Mechanical Engineering, University of California, Merced, Merced, California 95343, United States
| | - Guangfu Li
- Department of Mechanical Engineering, University of California, Merced, Merced, California 95343, United States
- Foshan Xianhu Laboratory of the Advanced Energy Science and Technology, Guangdong Laboratory, Xianhu Hydrogen Valley, Foshan 528200, China
| | - Desiree Mae Sua-An
- Department of Mechanical Engineering, University of California, Merced, Merced, California 95343, United States
- Laboratory of Electrochemical Engineering, Department of Chemical Engineering, University of the Philippines Diliman, Quezon City 1101, Philippines
| | - Ayon Karmakar
- Department of Mechanical Engineering, University of California, Merced, Merced, California 95343, United States
| | - Joey D Ocon
- Laboratory of Electrochemical Engineering, Department of Chemical Engineering, University of the Philippines Diliman, Quezon City 1101, Philippines
| | - Po-Ya Abel Chuang
- Department of Mechanical Engineering, University of California, Merced, Merced, California 95343, United States
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40
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Yang W, Bai Y, Peng L, Qu M, Wang Z, Sun K. Iron substitution enabled lattice oxygen oxidation and cation leaching for promoting surface reconstruction in electrocatalytic oxygen evolution. J Colloid Interface Sci 2023; 656:15-23. [PMID: 37980720 DOI: 10.1016/j.jcis.2023.11.080] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 11/04/2023] [Accepted: 11/13/2023] [Indexed: 11/21/2023]
Abstract
The low-cost transition metal oxides have drawn widespread interest as alternatives to noble metal-based electrocatalysts for oxygen evolution reaction (OER). Transition metal oxides usually undergo surface reconstruction during electrochemical reaction to form the actual active species. However, in-depth understanding and regulating of the surface reconstruction of active phases for oxides in OER remains an onerous challenge. Herein, we report a simple Fe element substitution strategy to facilitate the surface reconstruction of spinel oxide NiCr2O4 to generate active (oxy)hydroxides. The activated Fe-doped NiCr2O4 (Act-Fe-NCO) exhibits a lower OER overpotential of 259 mV at 10 mA cm-2 than activated NiCr2O4 (Act-NCO, 428 mV), and shows excellent stability for 120 h. The electrochemically activated CV measurement and nanostructure characterizations reveal that Fe substitution could promote the consumption of lattice oxygen during electrochemical activation to induce the leaching of soluble Cr cations, thereby facilitating the reconstruction of remaining Ni cations on the surface into (oxy)hydroxide active species. Moreover, theoretical calculations further demonstrate that the O 2p band center of NiCr2O4 moves towards the Fermi level due to Fe substitution, thus promoting lattice oxygen oxidation and providing greater structural flexibility for surface reconstruction. This work shows a promising way to regulate the surface reconstruction kinetics and OER electrocatalytic activity of transition metal oxides.
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Affiliation(s)
- Weiwei Yang
- Advanced Research Institute of Multidisciplinary Science, Beijing Institute of Technology, Beijing 100081, PR China; Beijing Key Laboratory of Chemical Power Source and Green Catalysis, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, PR China
| | - Yu Bai
- Advanced Research Institute of Multidisciplinary Science, Beijing Institute of Technology, Beijing 100081, PR China; Beijing Key Laboratory of Chemical Power Source and Green Catalysis, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, PR China.
| | - Lin Peng
- Beijing Key Laboratory of Chemical Power Source and Green Catalysis, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, PR China
| | - Meixiu Qu
- Beijing Key Laboratory of Chemical Power Source and Green Catalysis, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, PR China
| | - Zhenhua Wang
- Beijing Key Laboratory of Chemical Power Source and Green Catalysis, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, PR China
| | - Kening Sun
- Beijing Key Laboratory of Chemical Power Source and Green Catalysis, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, PR China
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41
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Wang H, Pei Y, Wang K, Zuo Y, Wei M, Xiong J, Zhang P, Chen Z, Shang N, Zhong D, Pei P. First-Row Transition Metals for Catalyzing Oxygen Redox. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2304863. [PMID: 37469215 DOI: 10.1002/smll.202304863] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 07/09/2023] [Indexed: 07/21/2023]
Abstract
Rechargeable zinc-air batteries are widely recognized as a highly promising technology for energy conversion and storage, offering a cost-effective and viable alternative to commercial lithium-ion batteries due to their unique advantages. However, the practical application and commercialization of zinc-air batteries are hindered by the sluggish kinetics of the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER). Recently, extensive research has focused on the potential of first-row transition metals (Mn, Fe, Co, Ni, and Cu) as promising alternatives to noble metals in bifunctional ORR/OER electrocatalysts, leveraging their high-efficiency electrocatalytic activity and excellent durability. This review provides a comprehensive summary of the recent advancements in the mechanisms of ORR/OER, the performance of bifunctional electrocatalysts, and the preparation strategies employed for electrocatalysts based on first-row transition metals in alkaline media for zinc-air batteries. The paper concludes by proposing several challenges and highlighting emerging research trends for the future development of bifunctional electrocatalysts based on first-row transition metals.
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Affiliation(s)
- Hengwei Wang
- School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Yu Pei
- Department of Chemical and Biological Engineering, The University of British Columbia, 2360 East Mall, Vancouver, BC, V6T 1Z3, Canada
| | - Keliang Wang
- School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 100081, China
- State Key Laboratory of Automotive Safety and Energy, Tsinghua University, Beijing, 100084, China
| | - Yayu Zuo
- School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Manhui Wei
- School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Jianyin Xiong
- School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Pengfei Zhang
- School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Zhuo Chen
- School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Nuo Shang
- School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Daiyuan Zhong
- School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Pucheng Pei
- State Key Laboratory of Automotive Safety and Energy, Tsinghua University, Beijing, 100084, China
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42
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Wang Y, Li L, Shi J, Xie M, Nie J, Huang G, Li B, Hu W, Pan A, Huang W. Oxygen Defect Engineering Promotes Synergy Between Adsorbate Evolution and Single Lattice Oxygen Mechanisms of OER in Transition Metal-Based (oxy)Hydroxide. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2303321. [PMID: 37814357 PMCID: PMC10646268 DOI: 10.1002/advs.202303321] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Revised: 08/15/2023] [Indexed: 10/11/2023]
Abstract
The oxygen evolution reaction (OER) activity of transition metal (TM)-based (oxy)hydroxide is dominated by the number and nature of surface active sites, which are generally considered to be TM atoms occupying less than half of surface sites, with most being inactive oxygen atoms. Herein, based on an in situ competing growth strategy of bimetallic ions and OH- ions, a facile one-step method is proposed to modulate oxygen defects in NiFe-layered double hydroxide (NiFe-LDH)/FeOOH heterostructure, which may trigger the single lattice oxygen mechanism (sLOM). Interestingly, by only varying the addition of H2 O2 , one can simultaneously regulate the concentration of oxygen defects, the valence of metal sites, and the ratio of components. The proper oxygen defects promote synergy between the adsorbate evolution mechanism (AEM, metal redox chemistry) and sLOM (oxygen redox chemistry) of OER in NiFe-based (oxy)hydroxide, practically maximizing the use of surface TM and oxygen atoms as active sites. Consequently, the optimal NiFe-LDH/FeOOH heterostructure outperforms the reported non-noble OER catalysts in electrocatalytic activity, with an overpotential of 177 mV to deliver a current density of 20 mA cm-2 and high stability. The novel strategy exemplifies a facile and versatile approach to designing highly active TM-LDH-based OER electrocatalysts for energy and environmental applications.
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Affiliation(s)
- Yu‐Han Wang
- Department of Applied PhysicsSchool of Physics and ElectronicsHunan UniversityChangsha410082P. R. China
| | - Lei Li
- Department of Applied PhysicsSchool of Physics and ElectronicsHunan UniversityChangsha410082P. R. China
| | - Jinghui Shi
- Department of Applied PhysicsSchool of Physics and ElectronicsHunan UniversityChangsha410082P. R. China
| | - Meng‐Yuan Xie
- Department of Applied PhysicsSchool of Physics and ElectronicsHunan UniversityChangsha410082P. R. China
| | - Jianhang Nie
- Department of Applied PhysicsSchool of Physics and ElectronicsHunan UniversityChangsha410082P. R. China
| | - Gui‐Fang Huang
- Department of Applied PhysicsSchool of Physics and ElectronicsHunan UniversityChangsha410082P. R. China
| | - Bo Li
- Department of Applied PhysicsSchool of Physics and ElectronicsHunan UniversityChangsha410082P. R. China
| | - Wangyu Hu
- School of Materials Science and EngineeringHunan UniversityChangsha410082P. R. China
| | - Anlian Pan
- School of Materials Science and EngineeringHunan UniversityChangsha410082P. R. China
| | - Wei‐Qing Huang
- Department of Applied PhysicsSchool of Physics and ElectronicsHunan UniversityChangsha410082P. R. China
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43
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Dinu LA, Kurbanoglu S. Enhancing electrochemical sensing through the use of functionalized graphene composites as nanozymes. NANOSCALE 2023; 15:16514-16538. [PMID: 37815527 DOI: 10.1039/d3nr01998e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/11/2023]
Abstract
Graphene-based nanozymes possess inherent nanomaterial properties that offer not only a simple substitute for enzymes but also a versatile platform capable of bonding with complex biochemical environments. The current review discusses the replacement of enzymes in developing biosensors with nanozymes. Functionalization of graphene-based materials with various nanoparticles can enhance their nanozymatic properties. Graphene oxide functionalization has been shown to yield graphene-based nanozymes that closely mimic several natural enzymes. This review provides an overview of the classification, current state-of-the-art development, synthesis routes, and types of functionalized graphene-based nanozymes for the design of electrochemical sensors. Furthermore, it includes a summary of the application of functionalized graphene-based nanozymes for constructing electrochemical sensors for pollutants, drugs, and various water and food samples. Challenges related to nanozymes as electrocatalytic materials are discussed, along with potential solutions and approaches for addressing these shortcomings.
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Affiliation(s)
- Livia Alexandra Dinu
- National Institute for Research and Development in Microtechnologies (IMT Bucharest), 126A Erou Iancu Nicolae Street, 077190 Voluntari, Ilfov, Romania
| | - Sevinc Kurbanoglu
- Faculty of Pharmacy, Department of Analytical Chemistry, Ankara University, 06560, Tandogan, Ankara, Türkiye.
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44
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Kim Y, Choi E, Kim S, Byon HR. Layered transition metal oxides (LTMO) for oxygen evolution reactions and aqueous Li-ion batteries. Chem Sci 2023; 14:10644-10663. [PMID: 37829040 PMCID: PMC10566458 DOI: 10.1039/d3sc03220e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Accepted: 09/01/2023] [Indexed: 10/14/2023] Open
Abstract
This perspective paper comprehensively explores recent electrochemical studies on layered transition metal oxides (LTMO) in aqueous media and specifically encompasses two topics: catalysis of the oxygen evolution reaction (OER) and cathodes of aqueous lithium-ion batteries (LiBs). They involve conflicting requirements; OER catalysts aim to facilitate water dissociation, while for cathodes in aqueous LiBs it is essential to suppress water dissociation. The interfacial reactions taking place at the LTMO in these two distinct systems are of particular significance. We show various strategies for designing LTMO materials for each desired aim based on an in-depth understanding of electrochemical interfacial reactions. This paper sheds light on how regulating the LTMO interface can contribute to efficient water splitting and economical energy storage, all with a single material.
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Affiliation(s)
- Yohan Kim
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST) 291, Daehak-ro, Yuseong-gu Daejeon 34141 Republic of Korea
| | - Eunjin Choi
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST) 291, Daehak-ro, Yuseong-gu Daejeon 34141 Republic of Korea
| | - Seunggu Kim
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST) 291, Daehak-ro, Yuseong-gu Daejeon 34141 Republic of Korea
| | - Hye Ryung Byon
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST) 291, Daehak-ro, Yuseong-gu Daejeon 34141 Republic of Korea
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45
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Ye K, Zhang Y, Mourdikoudis S, Zuo Y, Liang J, Wang M. Application of Oxygen-Group-Based Amorphous Nanomaterials in Electrocatalytic Water Splitting. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2302341. [PMID: 37337384 DOI: 10.1002/smll.202302341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 05/10/2023] [Indexed: 06/21/2023]
Abstract
Environmentally friendly energy sources (e.g., hydrogen) require an urgent development targeting to address the problem of energy scarcity. Electrocatalytic water splitting is being explored as a convenient catalytic reaction in this context, and promising amorphous nanomaterials (ANMs) are receiving increasing attention due to their excellent catalytic properties.Oxygen group-based amorphous nanomaterials (O-ANMs) are an important component of the broad family of ANMs due to their unique amorphous structure, large number of defects, and abundant randomly oriented bonds, O-ANMs induce the generation of a larger number of active sites, which favors a better catalytic activity. Meanwhile, amorphous materials can disrupt the inherent features of conventional crystalline materials regarding electron transfer paths, resulting in higher flexibility. O-ANMs mainly include VIA elements such as oxygen, sulfur, selenium, tellurium, and other transition metals, most of which are reported to be free of noble metals and have comparable performance to commercial catalysts Pt/C or IrO2 and RuO2 in electrocatalysis. This review covers the features and reaction mechanism of O-ANMs, the synthesis strategies to prepare O-ANMs, as well as the application of O-ANMs in electrocatalytic water splitting. Last, the challenges and prospective remarks for future development in O-ANMs for electrocatalytic water splitting are concluded.
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Affiliation(s)
- Kang Ye
- State Key Laboratory of Agricultural Microbiology, College of Science, Huazhong Agricultural University, Wuhan, 430070, China
| | - Yuqi Zhang
- State Key Laboratory of Agricultural Microbiology, College of Science, Huazhong Agricultural University, Wuhan, 430070, China
| | - Stefanos Mourdikoudis
- Separation and Conversion Technology, Flemish Institute for Technological Research (VITO), Boeretang 200, Mol, 2400, Belgium
| | - Yunpeng Zuo
- Department of Applied Physics, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, 999077, P. R. China
| | - Jiangong Liang
- State Key Laboratory of Agricultural Microbiology, College of Science, Huazhong Agricultural University, Wuhan, 430070, China
| | - Mengye Wang
- School of Materials, Sun Yat-Sen University, Shenzhen, 518107, China
- State Key Laboratory of Optoelectronic Materials and Technologies, Sun Yat-Sen University, Guangzhou, 510275, China
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46
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Yang Z, Wang L, Dhas JA, Engelhard MH, Bowden ME, Liu W, Zhu Z, Wang C, Chambers SA, Sushko PV, Du Y. Guided anisotropic oxygen transport in vacancy ordered oxides. Nat Commun 2023; 14:6068. [PMID: 37770428 PMCID: PMC10539514 DOI: 10.1038/s41467-023-40746-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Accepted: 08/07/2023] [Indexed: 09/30/2023] Open
Abstract
Anisotropic and efficient transport of ions under external stimuli governs the operation and failure mechanisms of energy-conversion systems and microelectronics devices. However, fundamental understanding of ion hopping processes is impeded by the lack of atomically precise materials and probes that allow for the monitoring and control at the appropriate time- and length- scales. In this work, using in-situ transmission electron microscopy, we directly show that oxygen ion migration in vacancy ordered, semiconducting SrFeO2.5 epitaxial thin films can be guided to proceed through two distinctly different diffusion pathways, each resulting in different polymorphs of SrFeO2.75 with different ground electronic properties before reaching a fully oxidized, metallic SrFeO3 phase. The diffusion steps and reaction intermediates are revealed by means of ab-initio calculations. The principles of controlling oxygen diffusion pathways and reaction intermediates demonstrated here may advance the rational design of structurally ordered oxides for tailored applications and provide insights for developing devices with multiple states of regulation.
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Affiliation(s)
- Zhenzhong Yang
- Physical and Computational Sciences Directorate, Pacific Northwest National Laboratory, Richland, WA, 99354, USA
- Key Laboratory of Polar Materials and Devices (MOE), Department of Electronics, East China Normal University, Shanghai, 200241, P. R. China
| | - Le Wang
- Physical and Computational Sciences Directorate, Pacific Northwest National Laboratory, Richland, WA, 99354, USA
| | - Jeffrey A Dhas
- School of Chemical, Biological and Environmental Engineering, Oregon State University, Corvallis, OR, 97331, USA
- Physical and Computational Sciences Directorate, Pacific Northwest National Laboratory, Richland, WA, 99354, USA
| | - Mark H Engelhard
- Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, WA, 99354, USA
| | - Mark E Bowden
- Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, WA, 99354, USA
| | - Wen Liu
- Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, WA, 99354, USA
- State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Wuhan, 430074, China
| | - Zihua Zhu
- Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, WA, 99354, USA
| | - Chongmin Wang
- Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, WA, 99354, USA
| | - Scott A Chambers
- Physical and Computational Sciences Directorate, Pacific Northwest National Laboratory, Richland, WA, 99354, USA
| | - Peter V Sushko
- Physical and Computational Sciences Directorate, Pacific Northwest National Laboratory, Richland, WA, 99354, USA.
| | - Yingge Du
- Physical and Computational Sciences Directorate, Pacific Northwest National Laboratory, Richland, WA, 99354, USA.
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47
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Hao Y, Kang Y, Wang S, Chen Z, Lei C, Cao X, Chen L, Li Y, Liu Z, Gong M. Electrode/Electrolyte Synergy for Concerted Promotion of Electron and Proton Transfers toward Efficient Neutral Water Oxidation. Angew Chem Int Ed Engl 2023; 62:e202303200. [PMID: 37278979 DOI: 10.1002/anie.202303200] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 06/03/2023] [Accepted: 06/06/2023] [Indexed: 06/07/2023]
Abstract
Neutral water oxidation is a crucial half-reaction for various electrochemical applications requiring pH-benign conditions. However, its sluggish kinetics with limited proton and electron transfer rates greatly impacts the overall energy efficiency. In this work, we created an electrode/electrolyte synergy strategy for simultaneously enhancing the proton and electron transfers at the interface toward highly efficient neutral water oxidation. The charge transfer was accelerated between the iridium oxide and in situ formed nickel oxyhydroxide on the electrode end. The proton transfer was expedited by the compact borate environment that originated from hierarchical fluoride/borate anions on the electrolyte end. These concerted promotions facilitated the proton-coupled electron transfer (PCET) events. Due to the electrode/electrolyte synergy, Ir-O and Ir-OO- intermediates could be directly detected by in situ Raman spectroscopy, and the rate-limiting step of Ir-O oxidation was determined. This synergy strategy can extend the scope of optimizing electrocatalytic activities toward more electrode/electrolyte combinations.
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Affiliation(s)
- Yaming Hao
- Department of Chemistry and, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, 200438, Shanghai, P. R. China
| | - Yikun Kang
- Department of Chemistry and, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, 200438, Shanghai, P. R. China
| | - Shaoyan Wang
- Department of Chemistry and, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, 200438, Shanghai, P. R. China
| | - Zhe Chen
- Department of Chemistry and, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, 200438, Shanghai, P. R. China
| | - Can Lei
- Department of Chemistry and, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, 200438, Shanghai, P. R. China
| | - Xueting Cao
- Department of Chemistry and, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, 200438, Shanghai, P. R. China
| | - Lin Chen
- Department of Chemistry and, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, 200438, Shanghai, P. R. China
| | - Yefei Li
- Department of Chemistry and, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, 200438, Shanghai, P. R. China
| | - Zhipan Liu
- Department of Chemistry and, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, 200438, Shanghai, P. R. China
| | - Ming Gong
- Department of Chemistry and, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, 200438, Shanghai, P. R. China
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48
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Wang Y, Zhao Y, Liu L, Qin W, Liu S, Tu J, Liu Y, Qin Y, Liu J, Wu H, Zhang D, Chu A, Jia B, Qu X, Qin M, Xue J. Facet Engineering and Pore Design Boost Dynamic Fe Exchange in Oxygen Evolution Catalysis to Break the Activity-Stability Trade-Off. J Am Chem Soc 2023; 145:20261-20272. [PMID: 37452768 DOI: 10.1021/jacs.3c03481] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/18/2023]
Abstract
The oxygen evolution reaction (OER) plays a vital role in renewable energy technologies, including in fuel cells, metal-air batteries, and water splitting; however, the currently available catalysts still suffer from unsatisfactory performance due to the sluggish OER kinetics. Herein, we developed a new catalyst with high efficiency in which the dynamic exchange mechanism of active Fe sites in the OER was regulated by crystal plane engineering and pore structure design. High-density nanoholes were created on cobalt hydroxide as the catalyst host, and then Fe species were filled inside the nanoholes. During the OER, the dynamic Fe was selectively and strongly adsorbed by the (101̅0) sites on the nanohole walls rather than the (0001) basal plane, and at the same time the space-confining effect of the nanohole slowed down the Fe diffusion from catalyst to electrolyte. As a result, a local high-flux Fe dynamic equilibrium inside the nanoholes for OER was achieved, as demonstrated by the Fe57 isotope labeled mass spectrometry, thereby delivering a high OER activity. The catalyst showed a remarkably low overpotential of 228 mV at a current density of 10 mA cm-2, which is among the best cobalt-based catalysts reported so far. This special protection strategy for Fe also greatly improved the catalytic stability, reducing the Fe leaching amount by 2 orders of magnitude compared with the pure Fe hydroxide catalyst and thus delivering a long-term stability of 130 h. An assembled Zn-air battery was stably cycled for 170 h with a low discharge/charge voltage difference of 0.72 V.
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Affiliation(s)
- Yong Wang
- Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing 100083, China
| | - Yongzhi Zhao
- Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing 100083, China
- Department of Materials Science and Engineering, National University of Singapore, 117575, Singapore
| | - Luan Liu
- Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing 100083, China
| | - Wanjun Qin
- Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing 100083, China
| | - Sijia Liu
- Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing 100083, China
| | - Juping Tu
- Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing 100083, China
| | - Yadong Liu
- Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing 100083, China
| | - Yunpu Qin
- Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing 100083, China
| | - Jianfang Liu
- Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing 100083, China
| | - Haoyang Wu
- Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing 100083, China
| | - Deyin Zhang
- Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing 100083, China
| | - Aimin Chu
- School of Materials Science and Engineering, Hunan University of Science and Technology, Xiangtan 411201, China
| | - Baorui Jia
- Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing 100083, China
| | - Xuanhui Qu
- Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing 100083, China
- Beijing Advanced Innovation Center for Materials Genome Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Mingli Qin
- Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing 100083, China
- Beijing Advanced Innovation Center for Materials Genome Engineering, University of Science and Technology Beijing, Beijing 100083, China
- Department of Materials Science and Metallurgy, University of Cambridge, Cambridge, CB3 0FS, U.K
| | - Junmin Xue
- Department of Materials Science and Engineering, National University of Singapore, 117575, Singapore
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49
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Zhai W, Chen Y, Liu Y, Sakthivel T, Ma Y, Qin Y, Qu Y, Dai Z. Enlarging the Ni-O Bond Polarizability in a Phosphorene-Hosted Metal-Organic Framework for Boosted Water Oxidation Electrocatalysis. ACS NANO 2023; 17:17254-17264. [PMID: 37650602 DOI: 10.1021/acsnano.3c05224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
Abstract
The emerging lattice-oxygen oxidation mechanism (LOM) presents attractive opportunities for breaking the scaling relationship to boost oxygen evolution reaction (OER) with the direct OLattice-*O interaction. However, currently the LOM-triggering rationales are still debated, and a streamlined physicochemical paradigm is extremely desirable for the design of LOM-defined OER catalysts. Herein, a Ni metal-organic framework/black phosphorene (NiMOF/BP) heterostructure is theoretically profiled and constructed as a catalytic platform for the LOM-derived OER studies. It is found that the p-type BP host can enlarge the Ni-O bond polarizability of NiMOF through the Ni-O bond stretching and Ni valence declining synergically. Such an enlarged bond polarizability will in principle alleviate the lattice oxygen confinement to benefit the LOM pathway and OER performance. As a result, the optimized NiMOF/BP catalyst exhibits promising OER performance with a low overpotential of 260 mV at 10 mA cm-2 and long-term stability in 1 M KOH electrolyte. Both experiment and calculation results suggest the activated LOM pathway with a more balanced step barrier in the NiMOF/BP OER catalyst. This research puts forward Ni-O bond polarizability as the criterion to design LOM-scaled electrocatalysts for water oxidation.
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Affiliation(s)
- Wenfang Zhai
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, People's Republic of China
| | - Ya Chen
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, People's Republic of China
| | - Yaoda Liu
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, People's Republic of China
| | - Thangavel Sakthivel
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, People's Republic of China
| | - Yuanyuan Ma
- School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an, 710072, People's Republic of China
| | - Yuanbin Qin
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, People's Republic of China
| | - Yongquan Qu
- School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an, 710072, People's Republic of China
| | - Zhengfei Dai
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, People's Republic of China
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50
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Tang Y, Wu C, Zhang Q, Zhong H, Zou A, Li J, Ma Y, An H, Yu Z, Xi S, Xue J, Wang X, Wu J. Accelerated Surface Reconstruction through Regulating the Solid-Liquid Interface by Oxyanions in Perovskite Electrocatalysts for Enhanced Oxygen Evolution. Angew Chem Int Ed Engl 2023; 62:e202309107. [PMID: 37470435 DOI: 10.1002/anie.202309107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 07/18/2023] [Accepted: 07/19/2023] [Indexed: 07/21/2023]
Abstract
A comprehensive understanding of surface reconstruction was critical to developing high performance lattice oxygen oxidation mechanism (LOM) based perovskite electrocatalysts. Traditionally, the primary determining factor of the surface reconstruction process was believed to be the oxygen vacancy formation energy. Hence, most previous studies focused on optimizing composition to reduce the oxygen vacancy formation energy, which in turn facilitated the surface reconstruction process. Here, for the first time, we found that adding oxyanions (SO4 2- , CO3 2- , NO3 - ) into the electrolyte could effectively regulate the solid-liquid interface, significantly accelerating the surface reconstruction process and enhancing oxygen evolution reaction (OER) activities. Further studies indicated that the added oxyanions would adsorb onto the solid-liquid interface layer, disrupting the dynamic equilibrium between the adsorbed OH- ions and the OH- ions generated during surface reconstruction process. As such, the OH- ions generated during surface reconstruction process could be more readily released into the electrolyte, thereby leading to an acceleration of the surface reconstruction. Thus, it was expected that our finding would provide a new layer of understanding to the surface reconstruction process in LOM-based perovskite electrocatalysts.
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Affiliation(s)
- Ying Tang
- College of Materials Science and Engineering, Sichuan University, 610065, Chengdu, China
| | - Chao Wu
- College of Materials Science and Engineering, Sichuan University, 610065, Chengdu, China
- Institute of Sustainability for Chemical, Energy and Environment (ISCE2), Agency for Science, Technology and Research, 627833, Singapore, Republic of Singapore
| | - Qi Zhang
- Department of Materials Science and Engineering, National University of Singapore, 117575, Singapore, Republic of Singapore
| | - Haoyin Zhong
- Department of Materials Science and Engineering, National University of Singapore, 117575, Singapore, Republic of Singapore
| | - Anqi Zou
- College of Materials Science and Engineering, Sichuan University, 610065, Chengdu, China
| | - Junhua Li
- College of Materials Science and Engineering, Sichuan University, 610065, Chengdu, China
| | - Yifan Ma
- Department of Materials Science and Engineering, National University of Singapore, 117575, Singapore, Republic of Singapore
| | - Hang An
- Department of Materials Science and Engineering, National University of Singapore, 117575, Singapore, Republic of Singapore
| | - Zhigen Yu
- Institute of High Performance Computing, Agency for Science, Technology and Research, 138632, Singapore, Republic of Singapore
| | - Shibo Xi
- Institute of Sustainability for Chemical, Energy and Environment (ISCE2), Agency for Science, Technology and Research, 627833, Singapore, Republic of Singapore
| | - Junmin Xue
- Department of Materials Science and Engineering, National University of Singapore, 117575, Singapore, Republic of Singapore
| | - Xiaopeng Wang
- College of Materials Science and Engineering, Sichuan University, 610065, Chengdu, China
- Department of Materials Science and Engineering, National University of Singapore, 117575, Singapore, Republic of Singapore
| | - Jiagang Wu
- College of Materials Science and Engineering, Sichuan University, 610065, Chengdu, China
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