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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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Ye Q, Ye H, Ma Z, Lin H, Zhao B, Yang G, Dong F, Ni M, Lin Z, Zhang S. Facile Deficiency Engineering in a Cobalt-Free Perovskite Air Electrode to Achieve Enhanced Performance for Protonic Ceramic Fuel Cells. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2307900. [PMID: 38334199 DOI: 10.1002/smll.202307900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2023] [Revised: 10/23/2023] [Indexed: 02/10/2024]
Abstract
As a crucial component responsible for the oxygen reduction reaction (ORR), cobalt-rich perovskite-type cathode materials have been extensively investigated in protonic ceramic fuel cell (PCFC). However, their widespread application at a commercial scale is considerably hindered by the high cost and inadequate stability. In response to these weaknesses, the study presents a novel cobalt-free perovskite oxide, Ba0.95La0.05(Fe0.8Zn0.2)0.95O3-δ (BLFZ0.95), with the triple-conducting (H+|O2-|e-) property as an active and robust air electrode for PCFC. The B-site deficiency state contributes significantly to the optimization of crystal and electronic structure, as well as the increase in oxygen vacancy concentration, thus in turn favoring the catalytic capacity. As a result, the as-obtained BLFZ0.95 electrode demonstrates exceptional electrochemical performance at 700 °C, representing extremely low area-specific resistance of 0.04 Ω cm2 in humid air (3 vol.% H2O), extraordinarily high peak power density of 1114 mW cm-2, and improved resistance against CO2 poisoning. Furthermore, the outstanding long-term durability is achieved without visible deterioration in both symmetrical and single cell modes. This study presents a simple but crucial case for rational design of cobalt-free perovskite cathode materials with appreciable performance via B-site deficiency regulation.
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Affiliation(s)
- Qirui Ye
- Guangdong Provincial Key Laboratory of Plant Resources Biorefinery, School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou Higher Education Mega Center, Guangzhou, 510006, P. R. China
| | - Huaqing Ye
- Guangdong Provincial Key Laboratory of Plant Resources Biorefinery, School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou Higher Education Mega Center, Guangzhou, 510006, P. R. China
| | - Zilin Ma
- Guangdong Provincial Key Laboratory of Plant Resources Biorefinery, School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou Higher Education Mega Center, Guangzhou, 510006, P. R. China
| | - Haoqing Lin
- School of Environment and Energy, South China University of Technology, Guangzhou, 510006, P. R. China
| | - Bote Zhao
- School of Environment and Energy, South China University of Technology, Guangzhou, 510006, P. R. China
| | - Guangming Yang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing, 211816, P. R. China
| | - Feifei Dong
- Guangdong Provincial Key Laboratory of Plant Resources Biorefinery, School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou Higher Education Mega Center, Guangzhou, 510006, P. R. China
- Jieyang Branch of Chemistry and Chemical Engineering Guangdong Laboratory, Jieyang, 515200, P. R. China
| | - Meng Ni
- Department of Building and Real Estate, Research Institute for Sustainable Urban Development (RISUD) & Research Institute for Smart Energy (RISE), The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, 999077, P. R. China
| | - Zhan Lin
- Guangdong Provincial Key Laboratory of Plant Resources Biorefinery, School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou Higher Education Mega Center, Guangzhou, 510006, P. R. China
- Jieyang Branch of Chemistry and Chemical Engineering Guangdong Laboratory, Jieyang, 515200, P. R. China
| | - Shanqing Zhang
- Guangdong Provincial Key Laboratory of Plant Resources Biorefinery, School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou Higher Education Mega Center, Guangzhou, 510006, P. R. China
- Jieyang Branch of Chemistry and Chemical Engineering Guangdong Laboratory, Jieyang, 515200, P. R. China
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Ingavale S, Gopalakrishnan M, Enoch CM, Pornrungroj C, Rittiruam M, Praserthdam S, Somwangthanaroj A, Nootong K, Pornprasertsuk R, Kheawhom S. Strategic Design and Insights into Lanthanum and Strontium Perovskite Oxides for Oxygen Reduction and Oxygen Evolution Reactions. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2308443. [PMID: 38258405 DOI: 10.1002/smll.202308443] [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: 12/25/2023] [Indexed: 01/24/2024]
Abstract
Perovskite oxides exhibit bifunctional activity for both oxygen reduction (ORR) and oxygen evolution reactions (OER), making them prime candidates for energy conversion in applications like fuel cells and metal-air batteries. Their intrinsic catalytic prowess, combined with low-cost, abundance, and diversity, positions them as compelling alternatives to noble metal and metal oxides catalysts. This review encapsulates the nuances of perovskite oxide structures and synthesis techniques, providing insight into pivotal active sites that underscore their bifunctional behavior. The focus centers on the breakthroughs surrounding lanthanum (La) and strontium (Sr)-based perovskite oxides, specifically their roles in zinc-air batteries (ZABs). An introduction to the mechanisms of ORR and OER is provided. Moreover, the light is shed on strategies and determinants central to optimizing the bifunctional performance of La and Sr-based perovskite oxides.
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Affiliation(s)
- Sagar Ingavale
- Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Mohan Gopalakrishnan
- Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Carolin Mercy Enoch
- Department of Chemistry, SRM Institute of Science & Technology, Kattankulathur, Chennai, 603203, India
| | - Chanon Pornrungroj
- Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Meena Rittiruam
- Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, 10330, Thailand
- Center of Excellence on Catalysis and Catalytic Reaction Engineering (CECC), Chulalongkorn University, Bangkok, 10330, Thailand
- High-Performance Computing Unit (CECC-HCU), Center of Excellence on Catalysis and Catalytic Reaction Engineering (CECC), Chulalongkorn University, Bangkok, 10330, Thailand
| | - Supareak Praserthdam
- Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, 10330, Thailand
- Center of Excellence on Catalysis and Catalytic Reaction Engineering (CECC), Chulalongkorn University, Bangkok, 10330, Thailand
- High-Performance Computing Unit (CECC-HCU), Center of Excellence on Catalysis and Catalytic Reaction Engineering (CECC), Chulalongkorn University, Bangkok, 10330, Thailand
- Bio-Circular-Green-economy Technology & Engineering Center (BCGeTEC), Faculty of Engineering, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Anongnat Somwangthanaroj
- Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, 10330, Thailand
- Bio-Circular-Green-economy Technology & Engineering Center (BCGeTEC), Faculty of Engineering, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Kasadit Nootong
- Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, 10330, Thailand
- Bio-Circular-Green-economy Technology & Engineering Center (BCGeTEC), Faculty of Engineering, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Rojana Pornprasertsuk
- Department of Materials Science, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand
- Center of Excellence in Petrochemical and Materials Technology, Chulalongkorn University, Bangkok, 10330, Thailand
- Department of Materials Science and Bioengineering, Nagaoka University of Technology, Niigata, 940-2188, Japan
- Center of Excellence on Advanced Materials for Energy Storage, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Soorathep Kheawhom
- Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, 10330, Thailand
- Bio-Circular-Green-economy Technology & Engineering Center (BCGeTEC), Faculty of Engineering, Chulalongkorn University, Bangkok, 10330, Thailand
- Center of Excellence on Advanced Materials for Energy Storage, Chulalongkorn University, Bangkok, 10330, Thailand
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Goswami A, Ghosh D, Garai A, Pradhan D, Biradha K. Bimetallic Organic Frameworks via In Situ Solvothermal Sol-Gel-Crystal and Sol-Crystal Transformation as Durable Electrocatalysts for Oxygen Reduction Reaction. Inorg Chem 2024; 63:7303-7313. [PMID: 38597285 DOI: 10.1021/acs.inorgchem.4c00190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/11/2024]
Abstract
The in situ solvothermal conversion of metal-organic gels (MOGs) to crystalline metal-organic frameworks (MOFs) represents a versatile and ingenious strategy that has been employed for the synthesis of MOF materials with specific morphologies, high yield, and improved functional properties. Herein, we have adopted an in situ solvothermal conversion of bimetallic MOGs to crystalline bimetallic MOFs with the aim of introducing a redox-active metal heterogeneity into the monometallic counterpart. The formation of bimetallic NiZn-MOF and CoZn-MOF via in situ solvothermal sol-gel-crystal and sol-crystal transformation is found to depend on the solvent systems used. The sol-to-gel-to-crystal transformation of NiZn-MOF via the formation of NiZn-MOG is found to occur through the gradual disruption of gel fibers leading to subsequent formation of microcrystals and single crystals of NiZn-MOF. These bimetallic MOFs and MOGs serve as promising electrocatalysts for oxygen reduction reaction (ORR) with an excellent methanol tolerance property, which can be attributed to the enhanced mass and charge transfer, higher oxygen vacancies, and bimetallic synergistic interactions among the heterometals. This work demonstrates a convenient strategy for producing bimetallic MOGs to MOFs through the introduction of a redox-active metal heterogeneity in the inorganic hybrid functional materials for fundamental and applied research. Our results connect MOGs and MOFs which have been regarded as having opposite physical states, that is, soft vs hard, and provide promising structural correlation between MOGs and MOFs at the molecular level.
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Affiliation(s)
- Anindita Goswami
- Department of Chemistry, Indian Institute of Technology Kharagpur, 721302 Kharagpur, India
| | - Debanjali Ghosh
- Materials Science Centre, Indian Institute of Technology Kharagpur, 721302 Kharagpur, India
| | - Abhijit Garai
- Department of Chemistry, Indian Institute of Technology Kharagpur, 721302 Kharagpur, India
| | - Debabrata Pradhan
- Materials Science Centre, Indian Institute of Technology Kharagpur, 721302 Kharagpur, India
| | - Kumar Biradha
- Department of Chemistry, Indian Institute of Technology Kharagpur, 721302 Kharagpur, India
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Huang H, Huang A, Liu D, Han W, Kuo CH, Chen HY, Li L, Pan H, Peng S. Tailoring Oxygen Reduction Reaction Kinetics on Perovskite Oxides via Oxygen Vacancies for Low-Temperature and Knittable Zinc-Air Batteries. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2303109. [PMID: 37247611 DOI: 10.1002/adma.202303109] [Citation(s) in RCA: 25] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 05/18/2023] [Indexed: 05/31/2023]
Abstract
High kinetics oxygen reduction reaction (ORR) electrocatalysts under low temperature are critical and highly desired for temperature-tolerant energy conversion and storage devices, but remain insufficiently investigated. Herein, oxygen vacancy-rich porous perovskite oxide (CaMnO3 ) nanofibers coated with reduced graphene oxide coating (V-CMO/rGO) are developed as the air electrode catalyst for low-temperature and knittable Zn-air batteries. V-CMO/rGO exhibits top-level ORR activity among perovskite oxides and shows impressive kinetics under low temperature. Experimental and theoretical calculation results reveal that the synergistic effect between metal atoms and oxygen vacancies, as well as the accelerated kinetics and enhanced electric conductivity and mass transfer over the rGO coated nanofiber 3D network contribute to the enhanced catalytic activity. The desorption of ORR intermediate is promoted by the regulated electron filling. The V-CMO/rGO drives knittable and flexible Zn-air batteries under a low temperature of -40 °C with high peak power density of 56 mW cm-2 and long cycle life of over 80 h. This study provides insight of kinetically active catalyst and facilitates the ZABs application in harsh environment.
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Affiliation(s)
- Hongjiao Huang
- College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, China
| | - Aoming Huang
- College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, China
| | - Di Liu
- Institute of Applied Physics and Materials Engineering, University of Macau, Macau, 999078, China
| | - Wentao Han
- College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, China
| | - Chun-Han Kuo
- Department of Materials Science and Engineering, National Tsing Hua University, Hsinchu, 30013, Taiwan
| | - Han-Yi Chen
- Department of Materials Science and Engineering, National Tsing Hua University, Hsinchu, 30013, Taiwan
| | - Linlin Li
- College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, China
| | - Hui Pan
- Institute of Applied Physics and Materials Engineering, University of Macau, Macau, 999078, China
| | - Shengjie Peng
- College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, China
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6
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Yatheendran A, Rajan R, Sandhyarani N. Synergistic Effect of Oxygen Vacancy-Rich SnO 2 and AgCl in the Augmentation of Sustained Oxygen Reduction Reaction. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:11708-11719. [PMID: 37439197 DOI: 10.1021/acs.langmuir.3c01311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/14/2023]
Abstract
Developing a stable and methanol-tolerant electrocatalyst for a sustained oxygen reduction reaction (ORR) is of great importance for advancing direct methanol fuel cell applications. The silver-based electrocatalysts are particularly interesting among the promising non-Pt-based electrocatalysts for ORR. Herein, we report a single-step synthesis of a composite of AgCl and SnO2 with oxygen vacancy (AgCl-SnO2(VO)), which exhibits sustained and selective catalytic activity for the ORR along with excellent durability. Hydrothermal synthesis generates oxygen vacancies within the material and facilitates a strong interaction between AgCl and SnO2(VO), which effectively augments the ORR activity and the long-term stability of the composite. The composite exhibits remarkable methanol tolerance, as evidenced by a meager shift of only 0.002 V in the half-wave potential. Furthermore, the composite demonstrates excellent durability, with no noticeable changes in onset and half-wave potential even after 2500 cycles. The cost-effectiveness, durability, and ORR selectivity of this composite hold great promise toward contributing to the advancement of clean energy technology.
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Affiliation(s)
- Anagha Yatheendran
- Nanoscience Research Laboratory, School of Materials Science and Engineering, National Institute of Technology Calicut, Kozhikode, Kerala, India 673601
| | - Rahul Rajan
- Nanoscience Research Laboratory, School of Materials Science and Engineering, National Institute of Technology Calicut, Kozhikode, Kerala, India 673601
| | - N Sandhyarani
- Nanoscience Research Laboratory, School of Materials Science and Engineering, National Institute of Technology Calicut, Kozhikode, Kerala, India 673601
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7
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Zhang D, Zhang Q, Peng C, Long Z, Zhuang G, Kramer D, Komarneni S, Zhi C, Xue D. Recent advances in developing multiscale descriptor approach for the design of oxygen redox electrocatalysts. iScience 2023; 26:106624. [PMID: 37138778 PMCID: PMC10149376 DOI: 10.1016/j.isci.2023.106624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/05/2023] Open
Abstract
Oxygen redox electrocatalysis is the crucial electrode reaction among new-era energy sources. The prerequisite to rationally design an ideal electrocatalyst is accurately identifying the structure-activity relationship based on the so-called descriptors which link the catalytic performance with structural properties. However, the quick discovery of those descriptors remains challenging. In recent, the high-throughput computing and machine learning methods were identified to present great prospects for accelerating the screening of descriptors. That new research paradigm improves cognition in the way of oxygen evolution reaction/oxygen reduction reaction activity descriptor and reinforces the understanding of intrinsic physical and chemical features in the electrocatalytic process from a multiscale perspective. This review summarizes those new research paradigms for screening multiscale descriptors, especially from atomic scale to cluster mesoscale and bulk macroscale. The development of descriptors from traditional intermediate to eigen feature parameters has been addressed which provides guidance for the intelligent design of new energy materials.
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Affiliation(s)
- Dantong Zhang
- Multiscale Crystal Materials Research Center, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Qi Zhang
- Multiscale Crystal Materials Research Center, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Chao Peng
- Multiscale Crystal Materials Research Center, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
- Corresponding author
| | - Zhi Long
- Multiscale Crystal Materials Research Center, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Guilin Zhuang
- College of Chemical Engineering, Zhejiang University of Technology, 18, Chaowang Road, Hangzhou, Zhejiang Province 310032, China
| | - Denis Kramer
- Helmut-Schmidt-University, University of the Armed Forces, Hamburg 22043, Germany
| | - Sridhar Komarneni
- Materials Research Institute, Materials Research Laboratory, The Pennsylvania State University, University Park, PA 16802, USA
| | - Chunyi Zhi
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong 999077, China
- Corresponding author
| | - Dongfeng Xue
- Multiscale Crystal Materials Research Center, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
- Corresponding author
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Zhang H, An Q, Su Y, Quan X, Chen S. Co 3O 4 with upshifted d-band center and enlarged specific surface area by single-atom Zr doping for enhanced PMS activation. JOURNAL OF HAZARDOUS MATERIALS 2023; 448:130987. [PMID: 36860058 DOI: 10.1016/j.jhazmat.2023.130987] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 02/06/2023] [Accepted: 02/08/2023] [Indexed: 06/18/2023]
Abstract
In this work, single-atom Zr doping is demonstrated to be an effective strategy to enhance the catalytic performance of Co3O4 toward peroxymonosulfate (PMS) by modulating electronic structure and enlarging specific surface simultaneously. The d-band center of Co sites upshifts owing to different electronegativity of Co and Zr in the bonds of Co-O-Zr confirmed by density functional theory calculations, leading to enhanced adsorption energy of PMS and strengthened electron transfer from Co(II) to PMS. The specific surface area of Zr-doped Co3O4 increases by 6 times due to the decrease of crystalline size. Consequently, the kinetic constant of phenol degradation with Zr-Co3O4 is 10 times higher than that with Co3O4 (0.31 vs. 0.029 min-1). The relative surface specific kinetic constant of Zr-Co3O4 for phenol degradation is still 2.29 times higher than that of Co3O4 (0.00660 vs. 0.00286 g m-2 min-1). In addition, the potential practical applicability of 8Zr-Co3O4 was also confirmed by practical wastewater treatment. This study provides deep insights into modifying electronic structure and enlarging specific surface area to enhance the catalytic performance.
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Affiliation(s)
- Hang Zhang
- Key Laboratory of Industrial Ecology and Environmental Engineering, Ministry of Education, China, School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China
| | - Qi An
- Key Laboratory of Industrial Ecology and Environmental Engineering, Ministry of Education, China, School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China
| | - Yan Su
- Key Laboratory of Materials Modification by Laser, Ion and Electron Beams, Ministry of Education, School of Physics, Dalian University of Technology, Dalian 116024, China
| | - Xie Quan
- Key Laboratory of Industrial Ecology and Environmental Engineering, Ministry of Education, China, School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China
| | - Shuo Chen
- Key Laboratory of Industrial Ecology and Environmental Engineering, Ministry of Education, China, School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China.
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He C, Yang L, Peng X, Liu S, Wang J, Dong C, Du D, Li L, Bu L, Huang X. Alkylamine-Confined Thickness-Tunable Synthesis of Co(OH) 2-CoO Nanosheets toward Oxygen Evolution Catalysis. ACS NANO 2023; 17:5861-5870. [PMID: 36920478 DOI: 10.1021/acsnano.2c12735] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Thickness regulation of transition metal hydroxides/oxides nanosheets with superior catalytic properties represents a promising strategy to enhance catalytic performance, but it remains an enormous challenge to achieve precise control, especially when it comes to the ultrathin limit (several atomic layers). In this work, a facile strategy of alkylamine-confined growth is proposed for the synthesis of thickness-tunable metal hydroxide/oxide nanosheets. Specifically, ultrathin cobalt hydroxide and cobaltous oxide hybrid (Co(OH)2-CoO) nanosheets (Co-O NSs) with a thickness in the range of 2-6 nm (5-13 atomic layers) are synthesized by using alkylamines with different carbon chain lengths as the ligand to modulate vertical coordination ability. Co-O NSs with a thickness of 2 nm (Co-O NSs-2 nm) exhibit excellent oxygen evolution reaction (OER) performance with an overpotential of 278 mV at 10 mA/cm2. The maximized number of active sites including oxygen vacancies, optimal adsorption strength, and the highest electrical conductivity are considered as the potential factors contributing to the excellent OER performance of Co-O NSs-2 nm. This work holds great significance for the precise thickness-tunable synthesis of transition metal layered hydroxide nanosheets with modulated and improved catalytic performance.
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Affiliation(s)
- Chuansheng He
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Linlin Yang
- Department of Nanoscience, Universitat de Barcelona, 08028 Barcelona, Spain
| | - Xiaohui Peng
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Shangheng Liu
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Jia Wang
- Department of Chemistry, Capital Normal University, Beijing 100048, China
| | - Chengyuan Dong
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Delin Du
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Leigang Li
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Lingzheng Bu
- College of Energy, Xiamen University, Xiamen 361102, China
| | - Xiaoqing Huang
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
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10
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Wu W, Chen R, Chen S, Wang Z, Cheng N. Optimizing d-Orbital Electronic Configuration via Metal-Metal Oxide Core-Shell Charge Donation for Boosting Reversible Oxygen Electrocatalysis. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023:e2300621. [PMID: 36932934 DOI: 10.1002/smll.202300621] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2023] [Revised: 03/04/2023] [Indexed: 06/18/2023]
Abstract
Tuning the d-orbital electronic configuration of active sites to achieve well-optimized adsorption strength of oxygen-containing intermediates toward reversible oxygen electrocatalysis is desirable for efficient rechargeable Zn-Air batteries but extremely challenging. Herein, this work proposes to construct a Co@Co3 O4 core-shell structure to regulate the d-orbital electronic configuration of Co3 O4 for the enhanced bifunctional oxygen electrocatalysis. Theoretical calculations first evidence that electron donation from Co core to Co3 O4 shell could downshift the d-band center and simultaneously weak spin state of Co3 O4 , result in the well-optimized adsorption strength of oxygen-containing intermediates on Co3 O4 , thus contributing a favor way for oxygen reduction/evolution reaction (ORR/OER) bifunctional catalysis. As a proof-of-concept, the Co@Co3 O4 embedded in Co, N co-doped porous carbon derived from thickness controlled 2D metal-organic-framework is designed to realize the structure of computational prediction and further improve the performance. The optimized 15Co@Co3 O4 /PNC catalyst exhibits the superior bifunctional oxygen electrocatalytic activity with a small potential gap of 0.69 V and a peak power density of 158.5 mW cm-2 in ZABs. Moreover, DFT calculations shows that the more oxygen vacancies on Co3 O4 contribute too strong adsorption of oxygen intermediates which limit the bifunctional electrocatalysis, while electron donation in the core-shell structure can alleviate the negative effect and maintain superior bifunctional overpotential.
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Affiliation(s)
- Wei Wu
- College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
| | - Runzhe Chen
- College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
| | - Suhao Chen
- College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
| | - Zichen Wang
- College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
| | - Niancai Cheng
- College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
- Key Laboratory of Fuel Cell Technology of Guangdong Province, Guangzhou, 510641, China
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11
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Kang J, Tang D, Liu Y, Huang Y, He W, Liu Y, Ji X, Li W, Li J. Hydrogen-Treated Spent Lithium Cobalt Oxide as an Efficient Electrocatalyst for Oxygen Evolution. Ind Eng Chem Res 2023. [DOI: 10.1021/acs.iecr.2c04294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
Affiliation(s)
- Jihu Kang
- School of Chemistry and Chemical Engineering, Central South University, 932 Lushan Road, Changsha 410083, China
| | - Dan Tang
- School of Chemistry and Chemical Engineering, Central South University, 932 Lushan Road, Changsha 410083, China
| | - Yong Liu
- School of Chemistry and Chemical Engineering, Central South University, 932 Lushan Road, Changsha 410083, China
| | - Yaling Huang
- School of Chemistry and Chemical Engineering, Central South University, 932 Lushan Road, Changsha 410083, China
| | - Wenhao He
- School of Chemistry and Chemical Engineering, Central South University, 932 Lushan Road, Changsha 410083, China
| | - Yang Liu
- School of Chemistry and Chemical Engineering, Central South University, 932 Lushan Road, Changsha 410083, China
| | - Xiaobo Ji
- School of Chemistry and Chemical Engineering, Central South University, 932 Lushan Road, Changsha 410083, China
| | - Wenzhang Li
- School of Chemistry and Chemical Engineering, Central South University, 932 Lushan Road, Changsha 410083, China
- Hunan Provincial Key Laboratory of Chemical Power Sources, Central South University, 932 Lushan Road, Changsha 410083, China
| | - Jie Li
- School of Chemistry and Chemical Engineering, Central South University, 932 Lushan Road, Changsha 410083, China
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12
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Zhang MD, Huang JR, Shi W, Liao PQ, Chen XM. Synergistic Effect in a Metal-Organic Framework Boosting the Electrochemical CO 2 Overall Splitting. J Am Chem Soc 2023; 145:2439-2447. [PMID: 36657974 DOI: 10.1021/jacs.2c11597] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
It is a very important but still challenging task to develop bifunctional electrocatalysts for highly efficient CO2 overall splitting. Herein, we report a stable metal-organic framework (denoted as PcNi-Co-O), composed of (2,3,9,10,16,17,23,24-octahydroxyphthalocyaninato)nickel(II) (PcNi-(O-)8) ligands and the planar CoO4 nodes, for CO2 overall splitting. When working as both cathode and anode catalysts (i.e., PcNi-Co-O||PcNi-Co-O), PcNi-Co-O achieved a commercial-scale current density of 123 mA cm-2 (much higher than the reported values (0.2-12 mA cm-2)) with a Faradic efficiency (CO) of 98% at a low cell voltage of 4.4 V. Mechanism studies suggested the synergistic effects between two active sites, namely, (i) electron transfer from CoO4 to PcNi sites under electric fields, resulting in the raised oxidizability/reducibility of CoO4/PcNi sites, respectively; (ii) the energy-level matching of cathode and anode catalysts can reduce the energy barrier of electron transfer between them and improve the performance of CO2 overall splitting.
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Affiliation(s)
- Meng-Di Zhang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
| | - Jia-Run Huang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
| | - Wen Shi
- School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
| | - Pei-Qin Liao
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
| | - Xiao-Ming Chen
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
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13
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Zhang J, Ye Y, Wang Z, Xu Y, Gui L, He B, Zhao L. Probing Dynamic Self-Reconstruction on Perovskite Fluorides toward Ultrafast Oxygen Evolution. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2201916. [PMID: 35869034 PMCID: PMC9507342 DOI: 10.1002/advs.202201916] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Revised: 07/01/2022] [Indexed: 05/22/2023]
Abstract
Exploring low cost, highly active, and durable electrocatalysts for oxygen evolution reaction (OER) is of prime importance to boost energy conversion efficiency. Perovskite fluorides are emerging as alternative electrocatalysts for OER, however, their intrinsically active sites during real operation are still elusive. Herein, the self-reconstruction on newly designed NiFe coupled perovskite fluorides during OER process is demonstrated. In situ Raman spectroscopy, ex situ X-ray absorption spectroscopy, and theoretical calculation reveal that Fe incorporation can significantly activate the self-reconstruction of perovskite fluorides and efficiently lower the energy barrier of OER. Benefiting from self-reconstruction and low energy barrier, the KNi0.8 Fe0.2 F3 @nickel foam (KNFF2@NF) electrocatalyst delivers an ultralow overpotential of 258 mV to afford 100 mA cm-2 and an excellent durability for 100 h, favorably rivaling most the state-of-the-art OER electrocatalysts. This protocol provides the fundamental understanding on OER mechanism associated with surface reconstruction for perovskite fluorides.
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Affiliation(s)
- Jing Zhang
- Faculty of Materials Science and ChemistryChina University of GeosciencesWuhan430074China
| | - Yu Ye
- State Key Laboratory of Geological Processes and Mineral ResourcesChina University of GeosciencesWuhan430074China
| | - Zhenbin Wang
- Department of PhysicsTechnical University of DenmarkKongens Lyngby2800Denmark
| | - Yin Xu
- Faculty of Materials Science and ChemistryChina University of GeosciencesWuhan430074China
| | - Liangqi Gui
- Faculty of Materials Science and ChemistryChina University of GeosciencesWuhan430074China
- School of Physical and Mathematical SciencesNanyang Technological University21 Nanyang LinkSingapore637371Singapore
| | - Beibei He
- Faculty of Materials Science and ChemistryChina University of GeosciencesWuhan430074China
- Shenzhen Research InstituteChina University of GeosciencesShenzhen518000China
| | - Ling Zhao
- Faculty of Materials Science and ChemistryChina University of GeosciencesWuhan430074China
- Shenzhen Research InstituteChina University of GeosciencesShenzhen518000China
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14
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McGuire SC, Wesley W, Sasaki K, Tong X, Wong SS. Yttrium-based Double Perovskite Nanorods for Electrocatalysis. ACS APPLIED MATERIALS & INTERFACES 2022; 14:30914-30926. [PMID: 35759361 DOI: 10.1021/acsami.2c07377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Herein, we investigate the effect of the chemical composition of double perovskite nanorods on their versatile electrocatalytic activity not only as supports for the oxidation of small organic molecules but also as catalysts for the oxygen evolution reaction. Specifically, Y2CoMnO6 and Y2NiMnO6 nanorods with average diameters of 300 nm were prepared by a two-step hydrothermal method, in which the individual effects of synthetic parameters, such as the pH, annealing temperature, and precursor ratios on both the composition and morphology, were systematically investigated. When used as supports for Pt nanoparticles, Y2CoMnO6/Pt catalysts exhibited an electrocatalytic activity for the methanol oxidation reaction, which is 2.1 and 1.3 times higher than that measured for commercial Pt/C and Y2NiMnO6/Pt, respectively. Similarly, the Co-based catalyst support material displayed an ethanol oxidation activity, which is 2.3 times higher than both Pt/C and Y2NiMnO6/Pt. This clear enhancement in the activity for Y2CoMnO6 can largely be attributed to strong metal-support interactions, as evidenced by a downshift in the binding energy of the Pt 4f bands, measured by X-ray photoelectron spectroscopy (XPS), which is often correlated not only with a downshift in the d-band center but also to a decreased adsorption of poisoning adsorbates. Moreover, when used as catalysts for the oxygen evolution reaction, Y2CoMnO6 displayed a much greater activity as compared with Y2NiMnO6. This behavior can largely be attributed not only to a preponderance of comparatively more favorable oxidation states and electronic configurations but also to the formation of an active layer on the surface of the Y2CoMnO6 catalyst, which collectively gives rise to improved performance metrics and greater stability as compared with both IrO2 and Y2NiMnO6. Overall, these results highlight the importance of both the chemical composition and the electronic structure of double perovskites, especially when utilized in multifunctional roles as either supports or catalysts.
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Affiliation(s)
- Scott C McGuire
- Department of Chemistry, State University of New York at Stony Brook, Stony Brook, New York 11794-3400, United States
| | - Weiqiao Wesley
- Department of Chemistry, State University of New York at Stony Brook, Stony Brook, New York 11794-3400, United States
| | - Kotaro Sasaki
- Chemistry Division, Brookhaven National Laboratory, Building 555, Upton, New York 11973, United States
| | - Xiao Tong
- Center for Functional Nanomaterials, Brookhaven National Laboratory, Building 735, Upton, New York 11973, United States
| | - Stanislaus S Wong
- Department of Chemistry, State University of New York at Stony Brook, Stony Brook, New York 11794-3400, United States
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15
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Advances in Anion Vacancy for Electrocatalytic Oxygen Evolution Reaction. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2022.116650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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16
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Hinuma Y, Mine S, Toyao T, Shimizu KI. Trends in Surface Oxygen Formation Energy in Perovskite Oxides. ACS OMEGA 2022; 7:18427-18433. [PMID: 35694487 PMCID: PMC9178614 DOI: 10.1021/acsomega.2c00702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 04/27/2022] [Indexed: 06/15/2023]
Abstract
Perovskite oxides comprise an important class of materials, and some of their applications depend on the surface reactivity characteristics. We calculated, using density functional theory, the surface O vacancy formation energy (E Ovac) for perovskite-structure oxides, with a transition metal (Ti-Fe) as the B-site cation, to estimate the catalytic reactivity of perovskite oxides. The E Ovac value correlated well with the band gap and bulk formation energy, which is a trend also found in other oxides. A low E Ovac value, which is expected to result in higher catalytic activity via the Mars-van Krevelen mechanism, was found in metallic perovskites such as CaCoO3, BaFeO3, and SrFeO3. On the other hand, titanates had high E Ovac values, typically exceeding 4 eV/atom, suggesting that these materials are less reactive when O vacancy formation is involved in the reaction mechanism.
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Affiliation(s)
- Yoyo Hinuma
- Department
of Energy and Environment, National Institute
of Advanced Industrial Science and Technology (AIST), 1-8-31, Midorigaoka, Ikeda 563-8577, Japan
| | - Shinya Mine
- Institute
for Catalysis, Hokkaido University, N-21, W-10, 1-5, Sapporo 001-0021, Japan
| | - Takashi Toyao
- Institute
for Catalysis, Hokkaido University, N-21, W-10, 1-5, Sapporo 001-0021, Japan
- Elements
Strategy Initiative for Catalysts and Batteries, Kyoto University, Katsura, Kyoto 615-8520, Japan
| | - Ken-ichi Shimizu
- Institute
for Catalysis, Hokkaido University, N-21, W-10, 1-5, Sapporo 001-0021, Japan
- Elements
Strategy Initiative for Catalysts and Batteries, Kyoto University, Katsura, Kyoto 615-8520, Japan
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17
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Abstract
Hydrogen is considered a promising clean energy vector with the features of high energy capacity and zero-carbon emission. Water splitting is an environment-friendly and effective route for producing high-purity hydrogen, which contains two important half-cell reactions, namely, the anodic oxygen evolution reaction (OER) and the cathodic hydrogen evolution reaction (HER). At the heart of water splitting is high-performance electrocatalysts that efficiently improve the rate and selectivity of key chemical reactions. Recently, perovskite oxides have emerged as promising candidates for efficient water splitting electrocatalysts owing to their low cost, high electrochemical stability, and compositional and structural flexibility allowing for the achievement of high intrinsic electrocatalytic activity. In this review, we summarize the present research progress in the design, development, and application of perovskite oxides for electrocatalytic water splitting. The emphasis is on the innovative synthesis strategies and a deeper understanding of structure–activity relationships through a combination of systematic characterization and theoretical research. Finally, the main challenges and prospects for the further development of more efficient electrocatalysts based on perovskite oxides are proposed. It is expected to give guidance for the development of novel non-noble metal catalysts in electrochemical water splitting.
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18
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Zhang C, Lu R, Liu C, Lu J, Zou Y, Yuan L, Wang J, Wang G, Zhao Y, Yu C. Trimetallic Sulfide Hollow Superstructures with Engineered d-Band Center for Oxygen Reduction to Hydrogen Peroxide in Alkaline Solution. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2104768. [PMID: 35233987 PMCID: PMC9036009 DOI: 10.1002/advs.202104768] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2021] [Revised: 01/04/2022] [Indexed: 05/19/2023]
Abstract
High-performance transition metal chalcogenides (TMCs) as electrocatalysts for two-electron oxygen reduction reaction (2e-ORR) in alkaline medium are promising for hydrogen peroxide (H2 O2 ) production, but their synthesis remains challenging. In this work, a titanium-doped zinc-cobalt sulfide hollow superstructure (Ti-ZnCoS HSS) is rationally designed as an efficient electrocatalyst for H2 O2 electrosynthesis. Synthesized by using hybrid metal-organic frameworks (MOFs) as precursors after sulfidation treatment, the resultant Ti-ZnCoS HSS exhibits a hollow-on-hollow superstructure with small nanocages assembled around a large cake-like cavity. Both experimental and simulation results demonstrate that the polymetallic composition tailors the d-band center and binding energy with oxygen species. Moreover, the hollow superstructure provides abundant active sites and promotes mass and electron transfer. The synergistic d-band center and superstructure engineering at both atomic and nanoscale levels lead to the remarkable 2e-ORR performance of Ti-ZnCoS HSS with a high selectivity of 98%, activity (potential at 1 mA cm-2 of 0.774 V vs reversible hydrogen electrode (RHE)), a H2 O2 production rate of 675 mmol h-1 gcat -1 , and long-term stability in alkaline condition, among the best 2e-ORR electrocatalysts reported to date. This strategy paves the way toward the rational design of polymetallic TMCs as advanced 2e-ORR catalysts.
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Affiliation(s)
- Chaoqi Zhang
- School of Chemistry and Molecular EngineeringEast China Normal UniversityShanghai200241P. R. China
| | - Ruihu Lu
- State Key Laboratory of Silicate Materials for ArchitecturesWuhan University of TechnologyWuhan430070China
| | - Chao Liu
- School of Chemistry and Molecular EngineeringEast China Normal UniversityShanghai200241P. R. China
| | - Jingyi Lu
- School of Chemistry and Molecular EngineeringEast China Normal UniversityShanghai200241P. R. China
| | - Yingying Zou
- School of Chemistry and Molecular EngineeringEast China Normal UniversityShanghai200241P. R. China
| | - Ling Yuan
- School of Chemistry and Molecular EngineeringEast China Normal UniversityShanghai200241P. R. China
| | - Jing Wang
- School of Chemistry and Molecular EngineeringEast China Normal UniversityShanghai200241P. R. China
| | - Guozhong Wang
- Key Laboratory of Materials PhysicsCentre for Environmental and Energy NanomaterialsAnhui Key Laboratory of Nanomaterials and NanotechnologyInstitute of Solid State PhysicsChinese Academy of SciencesHefei230031P. R. China
| | - Yan Zhao
- State Key Laboratory of Silicate Materials for ArchitecturesWuhan University of TechnologyWuhan430070China
| | - Chengzhong Yu
- School of Chemistry and Molecular EngineeringEast China Normal UniversityShanghai200241P. R. China
- Australian Institute for Bioengineering and NanotechnologyThe University of QueenslandBrisbaneQueensland4072Australia
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19
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Zhai L, She X, Zhuang L, Li Y, Ding R, Guo X, Zhang Y, Zhu Y, Xu K, Fan HJ, Lau SP. Modulating Built-In Electric Field via Variable Oxygen Affinity for Robust Hydrogen Evolution Reaction in Neutral Media. Angew Chem Int Ed Engl 2022; 61:e202116057. [PMID: 35072330 DOI: 10.1002/anie.202116057] [Citation(s) in RCA: 67] [Impact Index Per Article: 33.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Indexed: 01/22/2023]
Abstract
Work function strongly impacts the surficial charge distribution, especially for metal-support electrocatalysts when a built-in electric field (BEF) is constructed. Therefore, studying the correlation between work function and BEF is crucial for understanding the intrinsic reaction mechanism. Herein, we present a Pt@CoOx electrocatalyst with a large work function difference (ΔΦ) and strong BEF, which shows outstanding hydrogen evolution activity in a neutral medium with a 4.5-fold mass activity higher than 20 % Pt/C. Both experimental and theoretical results confirm the interfacial charge redistribution induced by the strong BEF, thus subtly optimizing hydrogen and hydroxide adsorption energy. This work not only provides fresh insights into the neutral hydrogen evolution mechanism but also proposes new design principles toward efficient electrocatalysts for hydrogen production in a neutral medium.
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Affiliation(s)
- Lingling Zhai
- Department of Applied Physics, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, P. R. China
| | - Xiaojie She
- Department of Applied Physics, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, P. R. China
| | - Lyuchao Zhuang
- Department of Applied Physics, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, P. R. China
| | - Yanyong Li
- Department of Applied Physics, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, P. R. China
| | - Ran Ding
- Department of Applied Physics, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, P. R. China
| | - Xuyun Guo
- Department of Applied Physics, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, P. R. China
| | - Yongqi Zhang
- Yangtze Delta Region Institute (Huzhou) & Institute of Fundamental and Frontier Science, University of Electronic Science and Technology of China, Huzhou, 313001, P. R. China
| | - Ye Zhu
- Department of Applied Physics, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, P. R. China
| | - Kun Xu
- School of Chemistry and Chemical Engineering, Key Laboratory of Functional Inorganic Material Chemistry of Anhui Province, Anhui University, Hefei, 230601, P. R. China
| | - Hong Jin Fan
- School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore, 637371, Singapore
| | - Shu Ping Lau
- Department of Applied Physics, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, P. R. China
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20
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Zhai L, She X, Zhuang L, Li Y, Ding R, Guo X, Zhang Y, Zhu Y, Xu K, Fan HJ, LAU SP. Modulating built‐in electric field via variable oxygen affinity for robust hydrogen evolution reaction in neutral media. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202116057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Lingling Zhai
- The Hong Kong Polytechnic University Department of Applied Physics HONG KONG
| | - Xiaojie She
- The Hong Kong Polytechnic University Department of Applied Physics HONG KONG
| | - Lyuchao Zhuang
- The Hong Kong Polytechnic University Department of Applied Physics HONG KONG
| | - Yanyong Li
- The Hong Kong Polytechnic University Department of Applied Physics HONG KONG
| | - Ran Ding
- The Hong Kong Polytechnic University Department of Applied Physics HONG KONG
| | - Xuyun Guo
- The Hong Kong Polytechnic University Department of Applied Physics HONG KONG
| | - Yongqi Zhang
- University of Electronic Science and Technology of China Institute of Fundamental and Frontier Science CHINA
| | - Ye Zhu
- The Hong Kong Polytechnic University Department of Applied Physics HONG KONG
| | - Kun Xu
- Anhui University School of Chemistry and Chemical Engineering CHINA
| | - Hong Jin Fan
- Nanyang Technological University School of Physical and Mathematical sciences SINGAPORE
| | - Shu Ping LAU
- The Hong Kong Polytechnic University Department of Applied Physics Hung HomKowloon HONG KONG
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21
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Xie X, Sun P, Liu W, Gong T, Lv X, Fang L, Wei Y, Sun X. Novel Fe 2.55Sb 2 alloy nanoparticles incorporated in N-doped carbon as a bifunctional oxygen electrocatalyst for rechargeable Zn–air batteries. NEW J CHEM 2022. [DOI: 10.1039/d2nj01697d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Novel Fe2.55Sb2 alloy nanoparticles are incorporated in N-doped carbon as bifunctional oxygen electrocatalyst for rechargeable Zn-air battery.
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Affiliation(s)
- Xing Xie
- College of Materials and Chemical Engineering, Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials, China Three Gorges University, Yichang 443002, China
| | - Panpan Sun
- College of Materials and Chemical Engineering, Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials, China Three Gorges University, Yichang 443002, China
- Hubei Three Gorges Laboratory, Yichang, Hubei 443007, China
| | - Weitao Liu
- College of Materials and Chemical Engineering, Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials, China Three Gorges University, Yichang 443002, China
| | - Tao Gong
- College of Materials and Chemical Engineering, Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials, China Three Gorges University, Yichang 443002, China
| | - Xiaowei Lv
- College of Materials and Chemical Engineering, Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials, China Three Gorges University, Yichang 443002, China
- Hubei Three Gorges Laboratory, Yichang, Hubei 443007, China
| | - Liang Fang
- Guangxi Key Laboratory of Optical and Electronic Materials and Devices, Guilin University of Technology, Guilin 541004, China
| | - Yongan Wei
- College of Materials and Chemical Engineering, Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials, China Three Gorges University, Yichang 443002, China
| | - Xiaohua Sun
- College of Materials and Chemical Engineering, Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials, China Three Gorges University, Yichang 443002, China
- Hubei Three Gorges Laboratory, Yichang, Hubei 443007, China
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22
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Jin X, Lee T, Tamakloe W, Patil SB, Soon A, Kang Y, Hwang S. In Situ Defect Engineering Route to Optimize the Cationic Redox Activity of Layered Double Hydroxide Nanosheet via Strong Electronic Coupling with Holey Substrate. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2103368. [PMID: 34713617 PMCID: PMC8728845 DOI: 10.1002/advs.202103368] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 09/15/2021] [Indexed: 06/13/2023]
Abstract
A defect engineering of inorganic solids garners great deal of research activities because of its high efficacy to optimize diverse energy-related functionalities of nanostructured materials. In this study, a novel in situ defect engineering route to maximize electrocatalytic redox activity of inorganic nanosheet is developed by using holey nanostructured substrate with strong interfacial electronic coupling. Density functional theory calculations and in situ spectroscopic analyses confirm that efficient interfacial charge transfer takes place between holey TiN and Ni-Fe-layered double hydroxide (LDH), leading to the feedback formation of nitrogen vacancies and a maximization of cation redox activity. The holey TiN-LDH nanohybrid is found to exhibit a superior functionality as an oxygen electrocatalyst and electrode for Li-O2 batteries compared to its non-holey homologues. The great impact of hybridization-driven vacancy introduction on the electrochemical performance originates from an efficient electrochemical activation of both Fe and Ni ions during electrocatalytic process, a reinforcement of interfacial electronic coupling, an increase in electrochemical active sites, and an improvement in electrocatalysis/charge-transfer kinetics.
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Affiliation(s)
- Xiaoyan Jin
- Department of Materials Science and EngineeringCollege of EngineeringYonsei UniversitySeoul03722Republic of Korea
| | - Taehun Lee
- Center for Artificial Synesthesia Materials DiscoveryDepartment of Materials Science and EngineeringYonsei UniversitySeoul03722Republic of Korea
| | - Wilson Tamakloe
- Department of Materials Science and EngineeringKorea UniversitySeoul02841Republic of Korea
| | - Sharad B. Patil
- Department of Chemistry and NanoscienceCollege of Natural SciencesEwha Womans UniversitySeoul03760Republic of Korea
| | - Aloysius Soon
- Center for Artificial Synesthesia Materials DiscoveryDepartment of Materials Science and EngineeringYonsei UniversitySeoul03722Republic of Korea
| | - Yong‐Mook Kang
- Department of Materials Science and EngineeringKorea UniversitySeoul02841Republic of Korea
- KU‐KIST Graduate School of Converging Science and TechnologyKorea UniversitySeoul02841Republic of Korea
| | - Seong‐Ju Hwang
- Department of Materials Science and EngineeringCollege of EngineeringYonsei UniversitySeoul03722Republic of Korea
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23
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Zhao S, Wang Z, Huang J, Wang L, Liu Y, Liu W, Liu ZQ. Cation-Tuning Induced d-Band Center Modulation on Co-based Spinel Oxide for Rechargeable Zn-Air Batteries. Angew Chem Int Ed Engl 2021; 61:e202114696. [PMID: 34970837 DOI: 10.1002/anie.202114696] [Citation(s) in RCA: 56] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Indexed: 11/06/2022]
Abstract
Atomic substitutions at the tetrahedral site (A Td ) could theoretically achieve an efficient optimization of the charge at the octahedral site (B Oh ) through the A Td -O-B Oh interactions in the spinel oxides (AB2O4). However, the precise control and adjustment of the spinel oxides are still challenging owing to the complexity of their crystal structure. In this work, we demonstrate a simple solvent method to tailor the structures of spinel oxides and further use the spinel oxide composites (ACo2O4/NCNTs, A = Mn, Co, Ni, Cu, Zn) for oxygen electrocatalysis. And the optimized MnCo2O4/NCNTs exhibit high activity and excellent durability for oxygen reduction/evolution reactions. Remarkably, the rechargeable liquid Zn-air battery equipped the MnCo2O4/NCNTs cathode affords a specific capacity of 827 mAh gZn-1 with high power density of 74.63 mW cm-2 and no voltage degradation after 300 cycles at a high charging-discharging rate (5 mA cm-2). The density functional theory (DFT) calculations reveal that the substitution could regulate the ratio of Co3+/Co2+ and thereby lead to the electronic structure modulated accompanied with the movement of d-band center. The tetrahedral and octahedral sites interact through the Mn-O-Co, the Co3+ Oh of MnCo2O4 with the optimal charge structure allows more suitable binding interaction between the active center and the oxygenated species, resulting in superior oxygen electrocatalytic performance. This work not only proves the influence of the charge modulation mechanism on the oxygen catalysis process but also provides novel strategies for the subsequent design of other oxygen catalysis materials.
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Affiliation(s)
- Shenlong Zhao
- The University of Sydney, School of Chemical and Biomolecular Engineering, 28 Bristol Rd, Hurstville, 2220, Sydney, AUSTRALIA
| | - Zepan Wang
- Guangzhou University, School of Chemistry and Chemical Engineering, CHINA
| | - Jiahui Huang
- Guangzhou University, School of Chemistry and Chemical Engineering, CHINA
| | - Ling Wang
- Guangzhou University, School of Chemistry and Chemical Engineering, CHINA
| | - Yangyang Liu
- The University of Sydney, School of Chemical and Biomolecular Engineering, AUSTRALIA
| | - Wenhui Liu
- Guangzhou University, School of Chemistry and Chemical Engineering, CHINA
| | - Zhao-Qing Liu
- Guangzhou University, School of Chemistry and Chemical Engineering, CHINA
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24
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Zhao S, Wang Z, Huang J, Wang L, Liu Y, Liu W, Liu ZQ. Cation‐Tuning Induced d‐Band Center Modulation on Co‐based Spinel Oxide for Rechargeable Zn–Air Batteries. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202114696] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Shenlong Zhao
- The University of Sydney School of Chemical and Biomolecular Engineering 28 Bristol Rd, Hurstville 2220 Sydney AUSTRALIA
| | - Zepan Wang
- Guangzhou University School of Chemistry and Chemical Engineering CHINA
| | - Jiahui Huang
- Guangzhou University School of Chemistry and Chemical Engineering CHINA
| | - Ling Wang
- Guangzhou University School of Chemistry and Chemical Engineering CHINA
| | - Yangyang Liu
- The University of Sydney School of Chemical and Biomolecular Engineering AUSTRALIA
| | - Wenhui Liu
- Guangzhou University School of Chemistry and Chemical Engineering CHINA
| | - Zhao-Qing Liu
- Guangzhou University School of Chemistry and Chemical Engineering CHINA
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25
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Jung H, Choung S, Han JW. Design principles of noble metal-free electrocatalysts for hydrogen production in alkaline media: combining theory and experiment. NANOSCALE ADVANCES 2021; 3:6797-6826. [PMID: 36132358 PMCID: PMC9417748 DOI: 10.1039/d1na00606a] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 10/19/2021] [Indexed: 05/06/2023]
Abstract
Water electrolysis is a promising solution to convert renewable energy sources to hydrogen as a high-energy-density energy carrier. Although alkaline conditions extend the scope of electrocatalysts beyond precious metal-based materials to earth-abundant materials, the sluggish kinetics of cathodic and anodic reactions (hydrogen and oxygen evolution reactions, respectively) impede the development of practical electrocatalysts that do not use precious metals. This review discusses the rational design of efficient electrocatalysts by exploiting the understanding of alkaline hydrogen evolution reaction and oxygen evolution reaction mechanisms and of the electron structure-activity relationship, as achieved by combining experimental and computational approaches. The enhancement of water splitting not only deals with intrinsic catalytic activity but also includes the aspect of electrical conductivity and stability. Future perspectives to increase the synergy between theory and experiment are also proposed.
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Affiliation(s)
- Hyeonjung Jung
- Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH) Pohang Gyeongbuk 37673 Republic of Korea
| | - Seokhyun Choung
- Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH) Pohang Gyeongbuk 37673 Republic of Korea
| | - Jeong Woo Han
- Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH) Pohang Gyeongbuk 37673 Republic of Korea
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26
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Zheng J, Sun X, Hu J, Wang S, Yao Z, Deng S, Pan X, Pan Z, Wang J. Symbolic Transformer Accelerating Machine Learning Screening of Hydrogen and Deuterium Evolution Reaction Catalysts in MA 2Z 4 Materials. ACS APPLIED MATERIALS & INTERFACES 2021; 13:50878-50891. [PMID: 34672634 DOI: 10.1021/acsami.1c13236] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Two-dimensional (2D) materials have been developed into various catalysts with high performance, but employing them for developing highly stable and active nonprecious hydrogen evolution reaction (HER) catalysts still encounters many challenges. To this end, the machine learning (ML) screening of HER catalysts is accelerated by using genetic programming (GP) of symbolic transformers for various typical 2D MA2Z4 materials. The values of the Gibbs free energy of hydrogen adsorption (ΔGH*) are accurately and rapidly predicted via extreme gradient boosting regression by using only simple GP-processed elemental features, with a low predictive root-mean-square error of 0.14 eV. With the analysis of ML and density functional theory (DFT) methods, it is found that various electronic structural properties of metal atoms and the p-band center of surface atoms play a crucial role in regulating the HER performance. Based on these findings, NbSi2N4 and VSi2N4 are discovered to be active catalysts with thermodynamical and dynamical stability as ΔGH* approaches to zero (-0.041 and 0.024 eV). In addition, DFT calculations reveal that these catalysts also exhibit good deuterium evolution reaction (DER) performance. Overall, a multistep workflow is developed through ML models combined with DFT calculations for efficiently screening the potential HER and DER catalysts from 2D materials with the same crystal prototype, which is believed to have significant contribution to catalyst design and fabrication.
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Affiliation(s)
- Jingnan Zheng
- Institute of Industrial Catalysis, State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310032, P. R. China
| | | | | | - ShiBin Wang
- Institute of Industrial Catalysis, State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310032, P. R. China
| | - Zihao Yao
- Institute of Industrial Catalysis, State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310032, P. R. China
| | - Shengwei Deng
- Institute of Industrial Catalysis, State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310032, P. R. China
| | | | | | - Jianguo Wang
- Institute of Industrial Catalysis, State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310032, P. R. China
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27
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Zhou M, Liu J, Ye Y, Sun X, Chen H, Zhou D, Yin Y, Zhang N, Ling Y, Ciucci F, Chen Y. Enhancing the Intrinsic Activity and Stability of Perovskite Cobaltite at Elevated Temperature Through Surface Stress. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2104144. [PMID: 34605170 DOI: 10.1002/smll.202104144] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 08/27/2021] [Indexed: 06/13/2023]
Abstract
Perovskite-based oxides attract great attention as catalysts for energy and environmental devices. Nanostructure engineering is demonstrated as an effective approach for improving the catalytic activity of the materials. The mechanism for the enhancement, nevertheless, is still not fully understood. In this study, it is demonstrated that compressive strain can be introduced into freestanding perovskite cobaltite La0.8 Sr0.2 CoO3- δ (LSC) nanofibers with sufficient small size. Crystal structure analysis suggests that the LSC fiber is characterized by compressive strain along the ab plane and less distorted CoO6 octahedron compared to the bulk powder sample. Accompanied by such structural changes, the nanofiber shows significantly higher oxygen reduction reaction (ORR) activity and better stability at elevated temperature, which is attributed to the higher oxygen vacancy concentration and suppressed Sr segregation in the LSC nanofibers. First-principle calculations further suggest that the compressive strain in LSC nanofibers effectively shortens the distance between the Co 3d and O 2p band center and lowers the oxygen vacancy formation energy. The results clarify the critical role of surface stress in determining the intrinsic activity of perovskite oxide nanomaterials. The results of this work can help guide the design of highly active and durable perovskite catalysts via nanostructure engineering.
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Affiliation(s)
- Mengzhen Zhou
- State Key Laboratory of Pulp and Paper Engineering, School of Environment and Energy, South China University of Technology, Guangzhou, 510000, China
| | - Jiapeng Liu
- Department of Mechanical and Aerospace Engineering, The Hong Kong University of Science and Technology, Hong Kong, 999077, China
| | - Yongjian Ye
- State Key Laboratory of Pulp and Paper Engineering, School of Environment and Energy, South China University of Technology, Guangzhou, 510000, China
| | - Xiang Sun
- State Key Laboratory of Pulp and Paper Engineering, School of Environment and Energy, South China University of Technology, Guangzhou, 510000, China
| | - Huijun Chen
- State Key Laboratory of Pulp and Paper Engineering, School of Environment and Energy, South China University of Technology, Guangzhou, 510000, China
| | - Deng Zhou
- State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, 200050, China
| | - Yimei Yin
- Institute of Electrochemical & Energy Technology, Department of Chemical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Nian Zhang
- State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, 200050, China
| | - Yihan Ling
- School of Materials Science and Physics, China University of Mining and Technology, Xuzhou, 221116, PR China
| | - Francesco Ciucci
- Department of Mechanical and Aerospace Engineering, The Hong Kong University of Science and Technology, Hong Kong, 999077, China
- Department of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Hong Kong, 999077, China
| | - Yan Chen
- State Key Laboratory of Pulp and Paper Engineering, School of Environment and Energy, South China University of Technology, Guangzhou, 510000, China
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28
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Hinuma Y, Mine S, Toyao T, Kamachi T, Shimizu KI. Factors determining surface oxygen vacancy formation energy in ternary spinel structure oxides with zinc. Phys Chem Chem Phys 2021; 23:23768-23777. [PMID: 34643190 DOI: 10.1039/d1cp03657b] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Spinel oxides are an important class of materials for heterogeneous catalysis including photocatalysis and electrocatalysis. The surface O vacancy formation energy (EOvac) is a critical quantity for catalyst performance because the surface of metal oxide catalysts often acts as a reaction site, for example, in the Mars-van Krevelen mechanism. However, experimental evaluation of EOvac is very challenging. We obtained the EOvac for (100), (110), and (111) surfaces of normal zinc-based spinel oxides ZnAl2O4, ZnGa2O4, ZnIn2O4, ZnV2O4, ZnCr2O4, ZnMn2O4, ZnFe2O4, and ZnCo2O4. The most stable surface is (100) for all compounds. The smallest EOvac for a surface is the largest in the (100) surface except for ZnCo2O4. For (100) and (110) surfaces, there is a good correlation, over all spinels, between the smallest EOvac for the surface and bulk formation energy, while the ionization potential correlates well in (111) surfaces. Machine learning over EOvac of all surface sites in all orientations and for all compounds to find the important factors, or descriptors, that decide the EOvac revealed that bulk and surface-dependent descriptors are the most important, namely the bulk formation energy, a Boolean descriptor of whether the surface is (111) or not, and the ionization potential, followed by geometrical descriptors that are different in each O site.
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Affiliation(s)
- Yoyo Hinuma
- Department of Energy and Environment, National Institute of Advanced Industrial Science and Technology (AIST), 1-8-31, Midorigaoka, Ikeda 563-8577, Japan. .,Center for Frontier Science, Chiba University, 1-33 Yayoicho, Inage, Chiba 263-8522, Japan
| | - Shinya Mine
- Institute for Catalysis, Hokkaido University, N-21, W-10, Kita, Sapporo, Hokkaido 001-0021, Japan
| | - Takashi Toyao
- Institute for Catalysis, Hokkaido University, N-21, W-10, Kita, Sapporo, Hokkaido 001-0021, Japan.,Elements Strategy Initiative for Catalysts and Batteries, Kyoto University, Katsura, Nishigyo, Kyoto 615-8520, Japan
| | - Takashi Kamachi
- Elements Strategy Initiative for Catalysts and Batteries, Kyoto University, Katsura, Nishigyo, Kyoto 615-8520, Japan.,Department of Life, Environment and Applied Chemistry, Fukuoka Institute of Technology, 3-30-1Wajiro-Higashi, Higashi-ku, Fukuoka 811-0295, Japan
| | - Ken-Ichi Shimizu
- Institute for Catalysis, Hokkaido University, N-21, W-10, Kita, Sapporo, Hokkaido 001-0021, Japan.,Elements Strategy Initiative for Catalysts and Batteries, Kyoto University, Katsura, Nishigyo, Kyoto 615-8520, Japan
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29
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Arandiyan H, Mofarah SS, Wang Y, Cazorla C, Jampaiah D, Garbrecht M, Wilson K, Lee AF, Zhao C, Maschmeyer T. Impact of Surface Defects on LaNiO 3 Perovskite Electrocatalysts for the Oxygen Evolution Reaction. Chemistry 2021; 27:14418-14426. [PMID: 34486173 DOI: 10.1002/chem.202102672] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Indexed: 11/06/2022]
Abstract
Perovskite oxides are regarded as promising electrocatalysts for water splitting due to their cost-effectiveness, high efficiency and durability in the oxygen evolution reaction (OER). Despite these advantages, a fundamental understanding of how critical structural parameters of perovskite electrocatalysts influence their activity and stability is lacking. Here, we investigate the impact of structural defects on OER performance for representative LaNiO3 perovskite electrocatalysts. Hydrogen reduction of 700 °C calcined LaNiO3 induces a high density of surface oxygen vacancies, and confers significantly enhanced OER activity and stability compared to unreduced LaNiO3 ; the former exhibit a low onset overpotential of 380 mV at 10 mA cm-2 and a small Tafel slope of 70.8 mV dec-1 . Oxygen vacancy formation is accompanied by mixed Ni2+ /Ni3+ valence states, which quantum-chemical DFT calculations reveal modify the perovskite electronic structure. Further, it reveals that the formation of oxygen vacancies is thermodynamically more favourable on the surface than in the bulk; it increases the electronic conductivity of reduced LaNiO3 in accordance with the enhanced OER activity that is observed.
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Affiliation(s)
- Hamidreza Arandiyan
- Laboratory of Advanced Catalysis for Sustainability, School of Chemistry, University of Sydney, Sydney, NSW 2006, Australia.,Centre for Advanced Materials & Industrial Chemistry (CAMIC), School of Science, RMIT University, Melbourne, VIC 3000, Australia
| | - Sajjad S Mofarah
- School of Materials Science and Engineering, UNSW Sydney, Sydney, NSW 2052, Australia
| | - Yuan Wang
- Centre for Advanced Materials & Industrial Chemistry (CAMIC), School of Science, RMIT University, Melbourne, VIC 3000, Australia.,School of Chemistry, UNSW Sydney, Sydney, NSW 2052, Australia
| | - Claudio Cazorla
- Departament de Física, Universitat Politècnica de Catalunya, Campus Nord B4-B5, 08034, Barcelona, Spain
| | - Deshetti Jampaiah
- Centre for Advanced Materials & Industrial Chemistry (CAMIC), School of Science, RMIT University, Melbourne, VIC 3000, Australia
| | - Magnus Garbrecht
- Australian Centre for Microscopy and Microanalysis, The University of Sydney, Sydney, NSW 2006, Australia
| | - Karen Wilson
- Centre for Advanced Materials & Industrial Chemistry (CAMIC), School of Science, RMIT University, Melbourne, VIC 3000, Australia
| | - Adam F Lee
- Centre for Advanced Materials & Industrial Chemistry (CAMIC), School of Science, RMIT University, Melbourne, VIC 3000, Australia
| | - Chuan Zhao
- School of Chemistry, UNSW Sydney, Sydney, NSW 2052, Australia
| | - Thomas Maschmeyer
- Laboratory of Advanced Catalysis for Sustainability, School of Chemistry, University of Sydney, Sydney, NSW 2006, Australia
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30
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Arandiyan H, S Mofarah S, Sorrell CC, Doustkhah E, Sajjadi B, Hao D, Wang Y, Sun H, Ni BJ, Rezaei M, Shao Z, Maschmeyer T. Defect engineering of oxide perovskites for catalysis and energy storage: synthesis of chemistry and materials science. Chem Soc Rev 2021; 50:10116-10211. [PMID: 34542117 DOI: 10.1039/d0cs00639d] [Citation(s) in RCA: 56] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Oxide perovskites have emerged as an important class of materials with important applications in many technological areas, particularly thermocatalysis, electrocatalysis, photocatalysis, and energy storage. However, their implementation faces numerous challenges that are familiar to the chemist and materials scientist. The present work surveys the state-of-the-art by integrating these two viewpoints, focusing on the critical role that defect engineering plays in the design, fabrication, modification, and application of these materials. An extensive review of experimental and simulation studies of the synthesis and performance of oxide perovskites and devices containing these materials is coupled with exposition of the fundamental and applied aspects of defect equilibria. The aim of this approach is to elucidate how these issues can be integrated in order to shed light on the interpretation of the data and what trajectories are suggested by them. This critical examination has revealed a number of areas in which the review can provide a greater understanding. These include considerations of (1) the nature and formation of solid solutions, (2) site filling and stoichiometry, (3) the rationale for the design of defective oxide perovskites, and (4) the complex mechanisms of charge compensation and charge transfer. The review concludes with some proposed strategies to address the challenges in the future development of oxide perovskites and their applications.
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Affiliation(s)
- Hamidreza Arandiyan
- Laboratory of Advanced Catalysis for Sustainability, School of Chemistry, University of Sydney, Sydney, NSW 2006, Australia. .,Centre for Applied Materials and Industrial Chemistry (CAMIC), School of Science, RMIT University, 124 La Trobe Street, Melbourne, VIC, Australia.
| | - Sajjad S Mofarah
- School of Materials Science and Engineering, UNSW Sydney, Sydney, NSW 2052, Australia.
| | - Charles C Sorrell
- School of Materials Science and Engineering, UNSW Sydney, Sydney, NSW 2052, Australia.
| | - Esmail Doustkhah
- National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan
| | - Baharak Sajjadi
- Department of Chemical Engineering, University of Mississippi, University, MS, 38677, USA
| | - Derek Hao
- School of Civil and Environmental Engineering, University of Technology Sydney, Sydney, NSW 2007, Australia
| | - Yuan Wang
- Centre for Applied Materials and Industrial Chemistry (CAMIC), School of Science, RMIT University, 124 La Trobe Street, Melbourne, VIC, Australia. .,School of Chemistry, UNSW Sydney, Sydney, NSW 2052, Australia
| | - Hongyu Sun
- Department of Micro- and Nanotechnology, Technical University of Denmark, Kongens Lyngby 2800, Denmark
| | - Bing-Jie Ni
- School of Civil and Environmental Engineering, University of Technology Sydney, Sydney, NSW 2007, Australia
| | - Mehran Rezaei
- Catalyst and Nanomaterials Research Laboratory (CNMRL), School of Chemical, Petroleum and Gas Engineering, Iran University of Science and Technology, Tehran, Iran
| | - Zongping Shao
- WA School of Mines: Minerals, Energy and Chemical Engineering, Curtin University, Perth, WA 6845, Australia. .,State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing, 210009, China
| | - Thomas Maschmeyer
- Laboratory of Advanced Catalysis for Sustainability, School of Chemistry, University of Sydney, Sydney, NSW 2006, Australia.
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31
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Huang SJ, Muneeb A, Sabhapathy P, Sheelam A, Bayikadi KS, Sankar R. Tailoring the Co 4+/Co 3+ active sites in a single perovskite as a bifunctional catalyst for the oxygen electrode reactions. Dalton Trans 2021; 50:7212-7222. [PMID: 34075924 DOI: 10.1039/d0dt04333h] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Developing a non-precious metal electrocatalyst for the oxygen evolution reaction (OER) and oxygen reduction reaction (ORR) is desirable for low-cost energy conversion devices. Herein, we designed and developed a new class of layered cation ordered single perovskite oxides (Pr0.9Ca0.1Co0.8Fe0.2O3-δ) with an optimum ratio of the Co4+/Co3+ oxidation state and oxygen vacancy for oxygen electrode reactions. Catalytic activities are investigated as a function of electronic structure and surface composition. A moderate amount of Ca and Fe dopants keeps the B-site Co cations at a higher oxidation state (Co4+) and generates a vast amount of an oxygen defect rich structure. The improved performance in the ORR and OER is explained by the increase in the sites of Co4+ cations, a state responsible for enhanced catalytic activity. A hypothesis for how doped Ca fraction affects the adsorbed oxygen species and contributes to catalytic activity is discussed. This work sheds light on the influence of crystal structure on the catalytic property and reports that ORR and OER activities are affected not only by oxygen vacancy concentration but also by the oxidation state of the transition metal in the perovskite oxide.
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Affiliation(s)
- Song-Jeng Huang
- Department of Mechanical Engineering, National Taiwan University of Science and Technology, No. 43, Section 4, Keelung Road, Taipei 10607, Taiwan, ROC
| | - Adil Muneeb
- Department of Mechanical Engineering, National Taiwan University of Science and Technology, No. 43, Section 4, Keelung Road, Taipei 10607, Taiwan, ROC and Institute of Physics, Academia Sinica, Taipei 11529, Taiwan.
| | - Palani Sabhapathy
- Center for Condensed Matter Sciences, National Taiwan University, Taipei 10617, Taiwan
| | - Anji Sheelam
- Institute of Physics, Academia Sinica, Taipei 11529, Taiwan.
| | | | - Raman Sankar
- Institute of Physics, Academia Sinica, Taipei 11529, Taiwan.
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32
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Liu C, Li H, Chen J, Yu Z, Ru Q, Li S, Henkelman G, Wei L, Chen Y. 3d Transition-Metal-Mediated Columbite Nanocatalysts for Decentralized Electrosynthesis of Hydrogen Peroxide. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2007249. [PMID: 33690976 DOI: 10.1002/smll.202007249] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Revised: 01/22/2021] [Indexed: 06/12/2023]
Abstract
Decentralized electrosynthesis of hydrogen peroxide (H2 O2 ) via oxygen reduction reaction (ORR) can enable applications in disinfection control, pulping and textile bleaching, wastewater treatment, and renewable energy storage. Transition metal oxides are usually not efficient catalysts because they are more selective to produce H2 O. Here, it is shown that divalent 3d transition metal cations (Mn, Fe, Co, Ni, and Cu) can control the catalytic activity and selectivity of columbite nanoparticles. They are synthesized using polyoxoniobate (K7 HNb6 O19 ·13H2 O) and divalent metal cations by a hydrothermal method. The optimal NiNb2 O6 holds an H2 O2 selectivity of 96% with the corresponding H2 O2 Faradaic efficiency of 92% in a wide potential window from 0.2 to 0.6 V in alkaline electrolyte, superior to other transition metal oxide catalysts. Ex situ X-ray photoelectron and operando Fourier-transformed infrared spectroscopic studies, together with density functional theory calculations, reveal that 3d transition metals shift the d-band center of catalytically active surface Nb atoms and change their interactions with ORR intermediates. In an application demonstration, NiNb2 O6 delivers H2 O2 productivity up to 1 molH2O2 gcat -1 h-1 in an H-shaped electrolyzer and can yield catholytes containing 300 × 10-3 m H2 O2 to efficiently decomposing several organic dyes. The low-cost 3d transition-metal-mediated columbite catalysts show excellent application potentials.
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Affiliation(s)
- Chang Liu
- School of Chemical and Biomolecular Engineering, The University of Sydney, Darlington, NSW, 2006, Australia
| | - Hao Li
- Department of Chemistry and the Oden Institute for Computational and Engineering Sciences, The University of Texas at Austin, 105 E. 24th Street, Stop A5300, Austin, TX, 78712, USA
| | - Junsheng Chen
- School of Chemical and Biomolecular Engineering, The University of Sydney, Darlington, NSW, 2006, Australia
| | - Zixun Yu
- School of Chemical and Biomolecular Engineering, The University of Sydney, Darlington, NSW, 2006, Australia
| | - Qiang Ru
- Guangdong Engineering Technology Research Center of Efficient Green Energy and Environmental Protection Materials, Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials, School of Physics and Telecommunication Engineering, South China Normal University, Guangzhou, 510006, P. R. China
| | - Shuzhou Li
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - Graeme Henkelman
- Department of Chemistry and the Oden Institute for Computational and Engineering Sciences, The University of Texas at Austin, 105 E. 24th Street, Stop A5300, Austin, TX, 78712, USA
| | - Li Wei
- School of Chemical and Biomolecular Engineering, The University of Sydney, Darlington, NSW, 2006, Australia
| | - Yuan Chen
- School of Chemical and Biomolecular Engineering, The University of Sydney, Darlington, NSW, 2006, Australia
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33
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Riyajuddin S, Azmi K, Pahuja M, Kumar S, Maruyama T, Bera C, Ghosh K. Super-Hydrophilic Hierarchical Ni-Foam-Graphene-Carbon Nanotubes-Ni 2P-CuP 2 Nano-Architecture as Efficient Electrocatalyst for Overall Water Splitting. ACS NANO 2021; 15:5586-5599. [PMID: 33625208 DOI: 10.1021/acsnano.1c00647] [Citation(s) in RCA: 96] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Water splitting via an electrochemical process to generate hydrogen is an economic and green approach to resolve the looming energy and environmental crisis. The rational design of multicomponent materials with seamless interfaces having robust stability, facile scalability, and low-cost electrocatalysts is a grand challenge to produce hydrogen by water electrolysis. Herein, we report a superhydrophilic homogeneous bimetallic phosphide of Ni2P-CuP2 on Ni-foam-graphene-carbon nanotubes (CNTs) heterostructure using facile electrochemical metallization followed by phosphorization without any intervention of metal-oxides/hydroxides. This bimetallic phosphide shows ultralow overpotentials of 12 (HER, hydrogen evolution reaction) and 140 mV (OER, oxygen evolution reaction) at current densities of 10 and 20 mA/cm2 in acidic and alkaline mediums, respectively. The excellent stability lasts for at least for 10 days at a high current density of 500 mA/cm2 without much deviation, inferring the practical utilization of the catalyst toward green fuel production. Undoubtedly, the catalyst is capable enough for overall water splitting at a very low cell voltage of 1.45 V @10 mA/cm2 with an impressive stability of at least 40 h, showing a minimum loss of potential. Theoretical study has been performed to understand the reaction kinetics and d-band shifting among metal atoms in the heterostructure (Ni2P-CuP2) that favor the HER and OER activities, respectively. In addition, the catalyst demonstrates an alternate transformation of solar energy to green H2 production using a standard silicon solar cell. This work unveils a smart design and synthesizes a highly stable electrocatalyst against an attractive paradigm of commercial water electrolysis for renewable electrochemical energy conversion.
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Affiliation(s)
- Sk Riyajuddin
- Institute of Nano Science & Technology, Knowledge City, Sector-81, SAS Nagar, Manauli PO 140306, Punjab, India
| | - Kashif Azmi
- Institute of Nano Science & Technology, Knowledge City, Sector-81, SAS Nagar, Manauli PO 140306, Punjab, India
| | - Mansi Pahuja
- Institute of Nano Science & Technology, Knowledge City, Sector-81, SAS Nagar, Manauli PO 140306, Punjab, India
| | - Sushil Kumar
- Institute of Nano Science & Technology, Knowledge City, Sector-81, SAS Nagar, Manauli PO 140306, Punjab, India
| | - Takahiro Maruyama
- Department of Applied Chemistry, Meijo University, 1-501 Shiogamaguchi, Tempaku, Nagoya 468-8502, Japan
| | - Chandan Bera
- Institute of Nano Science & Technology, Knowledge City, Sector-81, SAS Nagar, Manauli PO 140306, Punjab, India
| | - Kaushik Ghosh
- Institute of Nano Science & Technology, Knowledge City, Sector-81, SAS Nagar, Manauli PO 140306, Punjab, India
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34
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Kim M, Park GH, Seo S, Bui VQ, Cho Y, Hong Y, Kawazoe Y, Lee H. Uncovering the Role of Countercations in Ligand Exchange of WSe 2: Tuning the d-Band Center toward Improved Hydrogen Desorption. ACS APPLIED MATERIALS & INTERFACES 2021; 13:11403-11413. [PMID: 33636973 DOI: 10.1021/acsami.0c19865] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The role of countercations that do not bind to core nanocrystals (NCs) but rather ensure charge balance on ligand-exchanged NC surfaces has been rarely studied and even neglected. Such a scenario is unfortunate, as an understanding of surface chemistry has emerged as a key factor in overcoming colloidal NC limitations as catalysts. In this work, we report on the unprecedented role of countercations in ligand exchange for a colloidal transition metal dichalcogenide (TMD), WSe2, to tune the d-band center toward the Fermi level for enhanced hydrogen desorption. Conventional long-chain organic ligands, oleylamine, of WSe2 NCs are exchanged with short atomic S2- ligands having countercations to preserve the charge balance (WSe2/S2-/M+, M = Li, Na, K). Upon exchange with S2- ligands, the charge-balancing countercations are intercalated between WSe2 layers, thereby serving a unique function as an electrochemical hydrogen evolution reaction (HER) catalyst. The HER activity of ligand-exchanged colloidal WSe2 NCs shows a decrease in overpotential by down-shift of d-band center to induce more electron-filling in antibonding orbital and an increase in the electrochemical active surface area (ECSA). Exchanging surface functionalities with S2- anionic ligands enhances HER kinetics, while the existence of intercalated countercations improves charge transfer with the electrolyte. The obtained results suggest that both anionic ligands and countercationic species in ligand exchange must be considered to enhance the overall catalytic activity of colloidal TMDs.
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Affiliation(s)
- Meeree Kim
- Center for Integrated Nanostructure Physics (CINAP), Institute for Basic Science (IBS), 2066 Seoburo, Jangan-gu, Suwon 16419, Republic of Korea
- Department of Chemistry, Sungkyunkwan University (SKKU), 2066 Seoburo, Jangan-gu, Suwon 16419, Republic of Korea
| | - G Hwan Park
- Center for Integrated Nanostructure Physics (CINAP), Institute for Basic Science (IBS), 2066 Seoburo, Jangan-gu, Suwon 16419, Republic of Korea
- Department of Chemistry, Sungkyunkwan University (SKKU), 2066 Seoburo, Jangan-gu, Suwon 16419, Republic of Korea
| | - Sohyeon Seo
- Department of Chemistry, Sungkyunkwan University (SKKU), 2066 Seoburo, Jangan-gu, Suwon 16419, Republic of Korea
| | - Viet Quoc Bui
- Center for Integrated Nanostructure Physics (CINAP), Institute for Basic Science (IBS), 2066 Seoburo, Jangan-gu, Suwon 16419, Republic of Korea
- Department of Chemistry, Sungkyunkwan University (SKKU), 2066 Seoburo, Jangan-gu, Suwon 16419, Republic of Korea
| | - Yunhee Cho
- Center for Integrated Nanostructure Physics (CINAP), Institute for Basic Science (IBS), 2066 Seoburo, Jangan-gu, Suwon 16419, Republic of Korea
- Department of Chemistry, Sungkyunkwan University (SKKU), 2066 Seoburo, Jangan-gu, Suwon 16419, Republic of Korea
| | - Yeseul Hong
- Center for Integrated Nanostructure Physics (CINAP), Institute for Basic Science (IBS), 2066 Seoburo, Jangan-gu, Suwon 16419, Republic of Korea
- Department of Chemistry, Sungkyunkwan University (SKKU), 2066 Seoburo, Jangan-gu, Suwon 16419, Republic of Korea
| | - Yoshiyuki Kawazoe
- New Industry Creation Hatchery Center, Tohoku University, Sendai, 980-8579, Japan
| | - Hyoyoung Lee
- Center for Integrated Nanostructure Physics (CINAP), Institute for Basic Science (IBS), 2066 Seoburo, Jangan-gu, Suwon 16419, Republic of Korea
- Department of Chemistry, Sungkyunkwan University (SKKU), 2066 Seoburo, Jangan-gu, Suwon 16419, Republic of Korea
- Department of Biopysics, Sungkyunkwan University (SKKU), 2066 Seoburo, Jangan-gu, Suwon 16419, Republic of Korea
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Beall CE, Fabbri E, Schmidt TJ. Perovskite Oxide Based Electrodes for the Oxygen Reduction and Evolution Reactions: The Underlying Mechanism. ACS Catal 2021. [DOI: 10.1021/acscatal.0c04473] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Casey E. Beall
- Paul Scherrer Institute (PSI), Forschungsstrasse 111, 5232 Villigen PSI, Switzerland
| | - Emiliana Fabbri
- Paul Scherrer Institute (PSI), Forschungsstrasse 111, 5232 Villigen PSI, Switzerland
| | - Thomas J. Schmidt
- Paul Scherrer Institute (PSI), Forschungsstrasse 111, 5232 Villigen PSI, Switzerland
- Laboratory of Physical Chemistry, ETH Zürich, 8093 Zürich, Switzerland
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Badreldin A, Abusrafa AE, Abdel‐Wahab A. Oxygen-Deficient Cobalt-Based Oxides for Electrocatalytic Water Splitting. CHEMSUSCHEM 2021; 14:10-32. [PMID: 33053253 PMCID: PMC7839495 DOI: 10.1002/cssc.202002002] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2020] [Revised: 10/01/2020] [Indexed: 05/14/2023]
Abstract
An apparent increased interest has been recently devoted towards the previously untrodden path for anionic point defect engineering of electrocatalytic surfaces. The role of vacancy engineering in improving photo- and electrocatalytic activities of transition metal oxides (TMOs) has been widely reported. In particular, oxygen vacancy modulation on electrocatalysts of cobalt-based TMOs has seen a fresh spike of research work due to the substantial improvements they have shown towards oxygen evolution reaction (OER) and hydrogen evolution reaction (HER). Oxygen vacancy engineering is an effective scheme to quintessentially tune the electronic structure and charge transport, generate secondary active surface phases, and modify the surface adsorption/desorption behavior of reaction intermediates during water splitting. Based on contemporary efforts for inducing oxygen vacancies in a variety of cobalt oxide types, this work addresses facile and environmentally benign synthesis strategies, characterization techniques, and detailed insight into the intrinsic mechanistic modulation of electrocatalysts. It is our foresight that appropriate utilization of the principles discussed herein will aid researchers in rationally designing novel materials that can outperform noble metal-based electrocatalysts. Ultimately, future electrocatalysis implementation for selective seawater splitting is believed to depend on regulating the surface chemistry of active and stable TMOs.
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Affiliation(s)
- Ahmed Badreldin
- Chemical Engineering ProgramTexas A&M University at QatarP.O. Box23874DohaQatar
| | - Aya E. Abusrafa
- Chemical Engineering ProgramTexas A&M University at QatarP.O. Box23874DohaQatar
| | - Ahmed Abdel‐Wahab
- Chemical Engineering ProgramTexas A&M University at QatarP.O. Box23874DohaQatar
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Wu M, Zhang G, Du L, Yang D, Yang H, Sun S. Defect Electrocatalysts and Alkaline Electrolyte Membranes in Solid-State Zinc-Air Batteries: Recent Advances, Challenges, and Future Perspectives. SMALL METHODS 2021; 5:e2000868. [PMID: 34927810 DOI: 10.1002/smtd.202000868] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 11/05/2020] [Indexed: 06/14/2023]
Abstract
Rechargeable zinc-air batteries (ZABs) have attracted much attention due to their promising capability for offering high energy density while maintaining a long operational lifetime. One of the biggest challenges in developing all-solid-state ZABs is to design suitable bifunctional air-electrodes, which can efficiently catalyze the key oxygen reduction reaction (ORR)/oxygen evolution reaction (OER) electrochemical processes. The other one is to develop robust electrolyte membranes with high ionic conductivity and superb water retention capability. In this review, an in-depth discussion of the challenges, mechanisms, and design strategies for the defect electrocatalyst and the electrolyte membrane in all-solid-state ZABs will be offered. In particular, the crucial defect engineering strategies to tune the ORR/OER catalysts are summarized, including direct controllable strategies: 1) atomically dispersed metal sites control, 2) vacancy defects control, and 3) lattice-strain control, and the indirect strategies: 4) crystallographic structure control and 5) metal-carbon support interaction control. Moreover, the most recent progress in designing electrolyte membranes, including polyvinyl alcohol-based membranes and gel polymer electrolyte membranes, is presented. Finally, the perspectives are proposed for rational design and fabrication of the desired air electrode and electrolyte membrane to improve the performance and prolong the lifetime of all-solid-state ZABs.
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Affiliation(s)
- Mingjie Wu
- Institut National de la Recherche Scientifique (INRS)-Énergie Matériaux et Télécommunications, Varennes, Quebec, J3X 1S2, Canada
| | - Gaixia Zhang
- Institut National de la Recherche Scientifique (INRS)-Énergie Matériaux et Télécommunications, Varennes, Quebec, J3X 1S2, Canada
| | - Lei Du
- Institut National de la Recherche Scientifique (INRS)-Énergie Matériaux et Télécommunications, Varennes, Quebec, J3X 1S2, Canada
| | - Dachi Yang
- Engineering Research Center of Thin Film Optoelectronics Technology, Ministry of Education and College of Electronic Information and Optical Engineering, Nankai University, Tianjin, 300350, China
| | - Huaming Yang
- Department of Inorganic Materials, School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China
| | - Shuhui Sun
- Institut National de la Recherche Scientifique (INRS)-Énergie Matériaux et Télécommunications, Varennes, Quebec, J3X 1S2, Canada
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Dong F, Li L, Kong Z, Xu X, Zhang Y, Gao Z, Dongyang B, Ni M, Liu Q, Lin Z. Materials Engineering in Perovskite for Optimized Oxygen Evolution Electrocatalysis in Alkaline Condition. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2006638. [PMID: 33325635 DOI: 10.1002/smll.202006638] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Revised: 11/25/2020] [Indexed: 05/06/2023]
Abstract
Developing robust and highly efficient electrocatalysts for oxygen evolution reaction (OER) is critical for renewable, secure, and emission-free energy technologies. Perovskite Ba0.5 Sr0.5 Co0.8 Fe0.2 O3-δ (BSCF) has emerged as a promising OER electrocatalyst with desirable intrinsic activity. Inspired by the factor that substituting in transition-metal sublattice of the perovskite can further optimize the OER activity, herein, nickel-substituted BSCF is adopted, that is, Ba0.5 Sr0.5 Co0.8- x Fe0.2 Nix O3-δ (x = 0.05, 0.1, 0.2, denoted as BSCFNx, x = 5, 10, 20, respectively), as efficient and stable OER catalysts in alkaline solution. The phase structure, microchemistry, oxygen vacancy, and electrochemical activity of such samples are well-investigated. Endowed with an overpotential of only 278 mV at 10 mA cm-2 and a Tafel slope of merely 47.98 mV dec-1 , BSCFN20 exhibits the optimum OER activity. When constructing a two-electrode cell with BSCFN20 as anode and Pt/C as cathode (BSCFN20||Pt/C) for water splitting, it only requires a voltage of 1.63 V to achieve 50 mA cm-2 , and the BSCFN20||Pt/C remains stable within 80 h at 10 mA cm-2 , superior to the state-of-the-art RuO2 ||Pt/C counterpart. This work provides a feasible strategy for designing stable and highly active perovskite electrocatalysts for future energy storage and conversion.
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Affiliation(s)
- Feifei Dong
- Guangzhou Key Laboratory of Clean Transportation Energy Chemistry, School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou Higher Education Mega Center, Guangzhou, 510006, P. R. China
| | - Lu Li
- Guangzhou Key Laboratory of Clean Transportation Energy Chemistry, School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou Higher Education Mega Center, Guangzhou, 510006, P. R. China
| | - Ziqi Kong
- Guangzhou Key Laboratory of Clean Transportation Energy Chemistry, School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou Higher Education Mega Center, Guangzhou, 510006, P. R. China
| | - Xiaomin Xu
- WA School of Mines: Minerals, Energy and Chemical Engineering (WASM-MECE), Curtin University, Perth, WA, 6102, Australia
| | - Yaping Zhang
- State Key Laboratory of Environment-friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, P. R. China
| | - Zhenghui Gao
- Guangzhou Key Laboratory of Clean Transportation Energy Chemistry, School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou Higher Education Mega Center, Guangzhou, 510006, P. R. China
| | - Biaokui Dongyang
- Guangzhou Key Laboratory of Clean Transportation Energy Chemistry, School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou Higher Education Mega Center, Guangzhou, 510006, P. R. China
| | - Meng Ni
- Building Energy Research Group, Department of Building and Real Estate, The Hong Kong Polytechnic University, Hong Kong, 999077, P. R. China
| | - Quanbing Liu
- Guangzhou Key Laboratory of Clean Transportation Energy Chemistry, School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou Higher Education Mega Center, Guangzhou, 510006, P. R. China
| | - Zhan Lin
- Guangzhou Key Laboratory of Clean Transportation Energy Chemistry, School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou Higher Education Mega Center, Guangzhou, 510006, P. R. China
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Badreldin A, Abusrafa AE, Abdel-Wahab A. Oxygen-deficient perovskites for oxygen evolution reaction in alkaline media: a review. EMERGENT MATERIALS 2020; 3:567-590. [PMID: 0 DOI: 10.1007/s42247-020-00123-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Accepted: 09/03/2020] [Indexed: 05/26/2023]
Abstract
AbstractOxygen vacancies in complex metal oxides and specifically in perovskites are demonstrated to significantly enhance their electrocatalytic activities due to facilitating a degree of control in the material’s intrinsic properties. The reported enhancement in intrinsic OER activity of oxygen-deficient perovskites surfaces has inspired their fabrication via a myriad of schemes. Oxygen vacancies in perovskites are amongst the most favorable anionic or Schottky defects to be induced due to their low formation energies. This review discusses recent efforts for inducing oxygen vacancies in a multitude of perovskites, including facile and environmentally benign synthesis strategies, characterization techniques, and detailed insight into the intrinsic mechanistic modulation of perovskite electrocatalysts. Experimental, analytical, and computational techniques dedicated to the understanding of the improvement of OER activities upon oxygen vacancy induction are summarized in this work. The identification and utilization of intrinsic activity descriptors for the modulation of configurational structure, improvement in bulk charge transport, and favorable inflection of the electronic structure are also discussed. It is our foresight that the approaches, challenges, and prospects discussed herein will aid researchers in rationally designing highly active and stable perovskites that can outperform noble metal-based OER electrocatalysts.
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