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Chen L, Zhao W, Zhang J, Liu M, Jia Y, Wang R, Chai M. Recent Research on Iridium-Based Electrocatalysts for Acidic Oxygen Evolution Reaction from the Origin of Reaction Mechanism. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2403845. [PMID: 38940392 DOI: 10.1002/smll.202403845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2024] [Revised: 06/18/2024] [Indexed: 06/29/2024]
Abstract
As the anode reaction of proton exchange membrane water electrolysis (PEMWE), the acidic oxygen evolution reaction (OER) is one of the main obstacles to the practical application of PEMWE due to its sluggish four-electron transfer process. The development of high-performance acidic OER electrocatalysts has become the key to improving the reaction kinetics. To date, although various excellent acidic OER electrocatalysts have been widely researched, Ir-based nanomaterials are still state-of-the-art electrocatalysts. Hence, a comprehensive and in-depth understanding of the reaction mechanism of Ir-based electrocatalysts is crucial for the precise optimization of catalytic performance. In this review, the origin and nature of the conventional adsorbate evolution mechanism (AEM) and the derived volcanic relationship on Ir-based electrocatalysts for acidic OER processes are summarized and some optimization strategies for Ir-based electrocatalysts based on the AEM are introduced. To further investigate the development strategy of high-performance Ir-based electrocatalysts, several unconventional OER mechanisms including dual-site mechanism and lattice oxygen mediated mechanism, and their applications are introduced in detail. Thereafter, the active species on Ir-based electrocatalysts at acidic OER are summarized and classified into surface Ir species and O species. Finally, the future development direction and prospect of Ir-based electrocatalysts for acidic OER are put forward.
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Affiliation(s)
- Ligang Chen
- State Power Investment Corporation Hydrogen Energy Company, Limited, Beijing, 102600, China
| | - Wei Zhao
- State Power Investment Corporation Hydrogen Energy Company, Limited, Beijing, 102600, China
| | - Juntao Zhang
- Key Laboratory for Special Functional Materials of Ministry of Education, National & Local Joint Engineering Research Center for High-efficiency Display and Lighting Technology, School of Materials Science and Engineering, Collaborative Innovation Center of Nano Functional Materials and Applications, Henan University, Kaifeng, 475004, China
| | - Min Liu
- State Power Investment Corporation Hydrogen Energy Company, Limited, Beijing, 102600, China
| | - Yin Jia
- State Power Investment Corporation Hydrogen Energy Company, Limited, Beijing, 102600, China
| | - Ruzhi Wang
- Institute of Advanced Energy Materials and Devices, College of Material Science and Engineering; Key Laboratory of Advanced Functional Materials of Education Ministry of China, Beijing University of Technology, Beijing, 100124, China
| | - Maorong Chai
- State Power Investment Corporation Hydrogen Energy Company, Limited, Beijing, 102600, China
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2
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Zhang TX, Coughlin AL, Lu CK, Heremans JJ, Zhang SX. Recent progress on topological semimetal IrO 2: electronic structures, synthesis, and transport properties. JOURNAL OF PHYSICS. CONDENSED MATTER : AN INSTITUTE OF PHYSICS JOURNAL 2024; 36:273001. [PMID: 38597335 DOI: 10.1088/1361-648x/ad3603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Accepted: 03/20/2024] [Indexed: 04/11/2024]
Abstract
5dtransition metal oxides, such as iridates, have attracted significant interest in condensed matter physics throughout the past decade owing to their fascinating physical properties that arise from intrinsically strong spin-orbit coupling (SOC) and its interplay with other interactions of comparable energy scales. Among the rich family of iridates, iridium dioxide (IrO2), a simple binary compound long known as a promising catalyst for water splitting, has recently been demonstrated to possess novel topological states and exotic transport properties. The strong SOC and the nonsymmorphic symmetry that IrO2possesses introduce symmetry-protected Dirac nodal lines (DNLs) within its band structure as well as a large spin Hall effect in the transport. Here, we review recent advances pertaining to the study of this unique SOC oxide, with an emphasis on the understanding of the topological electronic structures, syntheses of high crystalline quality nanostructures, and experimental measurements of its fundamental transport properties. In particular, the theoretical origin of the presence of the fourfold degenerate DNLs in band structure and its implications in the angle-resolved photoemission spectroscopy measurement and in the spin Hall effect are discussed. We further introduce a variety of synthesis techniques to achieve IrO2nanostructures, such as epitaxial thin films and single crystalline nanowires, with the goal of understanding the roles that each key parameter plays in the growth process. Finally, we review the electrical, spin, and thermal transport studies. The transport properties under variable temperatures and magnetic fields reveal themselves to be uniquely sensitive and modifiable by strain, dimensionality (bulk, thin film, nanowire), quantum confinement, film texture, and disorder. The sensitivity, stemming from the competing energy scales of SOC, disorder, and other interactions, enables the creation of a variety of intriguing quantum states of matter.
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Affiliation(s)
- T X Zhang
- Department of Physics, Indiana University, Bloomington, IN 47405, United States of America
| | - A L Coughlin
- Department of Physics, Indiana University, Bloomington, IN 47405, United States of America
| | - Chi-Ken Lu
- Department of Mathematics and Computer Science, Rutgers University, Newark, NJ 07102, United States of America
| | - J J Heremans
- Department of Physics, Virginia Tech, Blacksburg, VA 24061, United States of America
| | - S X Zhang
- Department of Physics, Indiana University, Bloomington, IN 47405, United States of America
- Quantum Science and Engineering Center, Indiana University, Bloomington, IN 47405, United States of America
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Wang L, Du R, Liang X, Zou Y, Zhao X, Chen H, Zou X. Optimizing Edge Active Sites via Intrinsic In-Plane Iridium Deficiency in Layered Iridium Oxides for Oxygen Evolution Electrocatalysis. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2312608. [PMID: 38195802 DOI: 10.1002/adma.202312608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Revised: 12/29/2023] [Indexed: 01/11/2024]
Abstract
Improving catalytic activity of surface iridium sites without compromising catalytic stability is the core task of designing more efficient electrocatalysts for oxygen evolution reaction (OER) in acid. This work presents phase transition of a bulk layered iridate Na2IrO3 in acid solution at room temperature, and subsequent exfoliation to produce 2D iridium oxide nanosheets with around 4 nm thickness. The nanosheets consist of OH-terminated, honeycomb-type layers of edge-sharing IrO6 octahedral framework with intrinsic in-plane iridium deficiency. The nanosheet material is among the most active Ir-based catalysts reported for acidic OER and gives an iridium mass activity improvement up to a factor of 16.5 over rutile IrO2 nanoparticles. The material also exhibits good catalytic and structural stability and retains the catalytic activity for more than 1300 h. The combined experimental and theoretical results demonstrate that edge Ir sites of the layer are active centers for OER, with structural hydroxyl groups participating in the catalytic cycle of OER via a non-traditional adsorbate evolution mechanism. The existence of intrinsic in-plane iridium deficiency is the key to building a unique local environment of edge active sites that have optimal surface oxygen adsorption properties and thereby high catalytic activity.
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Affiliation(s)
- Lina Wang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, China
| | - Ruofei Du
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, China
| | - Xiao Liang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, China
| | - Yongcun Zou
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, China
| | - Xiao Zhao
- Key Laboratory of Automobile Materials of MOE, School of Materials Science and Engineering, Jilin University, Changchun, 130012, China
| | - Hui Chen
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, China
| | - Xiaoxin Zou
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, China
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Huang T, Yang ZX, Li L, Wan H, Leng C, Huang GF, Hu W, Huang WQ. Dipole Effect on Oxygen Evolution Reaction of 2D Janus Single-Atom Catalysts: A Case of Rh Anchored on the P6 m2-NP Configurations. J Phys Chem Lett 2024; 15:2428-2435. [PMID: 38394780 DOI: 10.1021/acs.jpclett.3c03148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2024]
Abstract
Catalytic performance of single-atom catalysts (SACs) relies fundamentally on the electronic nature and local coordination environment of the active site. Here, based on a machine-learning (ML)-aided density functional theory (DFT) method, we reveal that the intrinsic dipole in Janus materials has a significant impact on the catalytic activity of SACs, using 2D γ-phosphorus carbide (γ-PC) as a model system. Specifically, a local dipole around the active site is a key degree to tune the catalytic activity and can be used as an important descriptor with a high feature importance of 17.1% in predicting the difference of adsorption free energy (ΔGO* - ΔGOH*) to assess the activity of the oxygen evolution reaction. As a result, the catalytic performance of SACs can be tuned by an intrinsic dipole, in stark contrast to those external stimuli strategies previously used. These results suggest that dipole engineering and the revolutionary DFT-ML hybrid scheme are novel approaches for designing high-performance catalysts.
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Affiliation(s)
- Tao Huang
- Department of Applied Physics, School of Physics and Electronics, Hunan University, Changsha 410082, China
| | - Zi-Xuan Yang
- Department of Applied Physics, School of Physics and Electronics, Hunan University, Changsha 410082, China
| | - Lei Li
- Department of Applied Physics, School of Physics and Electronics, Hunan University, Changsha 410082, China
| | - Hui Wan
- Department of Applied Physics, School of Physics and Electronics, Hunan University, Changsha 410082, China
- School of Materials and Environmental Engineering, Changsha University, Changsha 410082, China
| | - Can Leng
- College of Intelligent Manufacture, Hunan First Normal University, Changsha 410205, China
| | - Gui-Fang Huang
- Department of Applied Physics, School of Physics and Electronics, Hunan University, Changsha 410082, China
| | - Wangyu Hu
- College of Materials Science and Engineering, Hunan University, Changsha 410082, China
| | - Wei-Qing Huang
- Department of Applied Physics, School of Physics and Electronics, Hunan University, Changsha 410082, China
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Wang P, Zhang C, Ding J, Ji Y, Li Y, Zhang W. Motivating Inert Strontium Manganate with Iridium Dopants as Efficient Electrocatalysts for Oxygen Evolution in Acidic Electrolyte. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2305662. [PMID: 37897152 DOI: 10.1002/smll.202305662] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 10/14/2023] [Indexed: 10/29/2023]
Abstract
The search for high-performance and low-cost electrocatalysts in acid conditions still remains a challenging target. Herein, iridium (Ir) doped strontium manganate (named as Irx -SMO) is proposed as an efficient and durable low-iridium electrocatalyst for water oxidation in acidic media. The Ir0.1 -SMO with 75% less iridium in comparison to that of iridium dioxide (IrO2 ) exhibits excellent performance for oxygen evolution reaction (OER), which is even better than most of the iridium-based oxide electrocatalysts. The theoretical outcomes confirm the activation of the inert manganese sites in strontium manganate by the incorporation of iridium dopants. This work reveals the boosted effect of the iridium dopants on the OER activity of strontium manganate, providing a strategy to tune the activity of manganese-based perovskites in electrocatalysis.
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Affiliation(s)
- Piao Wang
- Henan Key Laboratory of Photovoltaic Materials, Henan University, Kaifeng, 475004, China
| | - Changle Zhang
- Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Jiangsu, 215123, China
| | - Jiabao Ding
- Henan Key Laboratory of Photovoltaic Materials, Henan University, Kaifeng, 475004, China
| | - Yujin Ji
- Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Jiangsu, 215123, China
| | - Youyong Li
- Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Jiangsu, 215123, China
- Macao Institute of Materials Science and Engineering, Macau University of Science and Technology, Taipa, 999078, Macau
| | - Weifeng Zhang
- Henan Key Laboratory of Photovoltaic Materials, Henan University, Kaifeng, 475004, China
- Center for Topological Functional Materials, Henan University, Kaifeng, 475004, China
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6
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Ma N, Zhang Y, Wang Y, Zhao J, Liang B, Xiong Y, Luo S, Huang C, Fan J. Curvature effects regulate the catalytic activity of Co@N 4-doped carbon nanotubes as bifunctional ORR/OER catalysts. J Colloid Interface Sci 2024; 654:1458-1468. [PMID: 37924660 DOI: 10.1016/j.jcis.2023.10.115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2023] [Revised: 10/16/2023] [Accepted: 10/22/2023] [Indexed: 11/06/2023]
Abstract
The advancement of metal-air batteries relies significantly on the development of highly efficient bifunctional catalysts for the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER). Herein, we investigate the potential application of Co@N4-doped carbon nanotubes (Co@N4CNTs) as bifunctional catalysts using density functional theory calculations. We explore the stability and electronic properties of Co@N4CNTs by analyzing energies, bond lengths, conducting ab initio molecular dynamics simulations, and examining the density of states. Notably, the diameter of the nanotubes has a notable impact on the catalytic performance of Co@N4CNTs. A remarkable 54% improvement in catalytic activity when transitioning from (4, 4) to (24, 4) Co@N4CNTs, with ηBi from changing from 1.40 to 0.64 V. We have several exceptional catalysts with low overpotentials, including (18, 4), (22, 4), and (24, 4) Co@N4CNTs, which exhibit ηBi values of 0.68, 0.67, and 0.64 V, respectively. Moreover, we link the increased activity of Co@N4CNTs to the change of Co atom's partial d orbital energy, facilitated by adjustments in the diameter of Co@N4CNTs. This revelation offers valuable insights into the underlying factors driving the enhancement of catalytic activity through alterations in orbital energy levels. Our research uncovers several excellent catalysts and provides valuable insights for the design and development of efficient catalysts for metal-air batteries.
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Affiliation(s)
- Ninggui Ma
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong, China
| | - Yaqin Zhang
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong, China
| | - Yuhang Wang
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong, China
| | - Jun Zhao
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong, China
| | - Bochun Liang
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong, China
| | - Yu Xiong
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong, China
| | - Shuang Luo
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong, China
| | - Changxiong Huang
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong, China
| | - Jun Fan
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong, China; Department of Mechanical Engineering, City University of Hong Kong, Hong Kong, China.
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7
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Feng Y, Fang C, Zhang X, Zhang Q, Cui X, Li Y, Xu J, Shi C. Transition Metal Functionalized C 30N 12S 6 as High-Performance Trifunctional Catalysts with Integrated Descriptors toward Hydrogen Evolution, Oxygen Evolution, and Oxygen Reduction Reactions: A Case of High-Throughput First-Principles Screening within the Framework of TM-N 2@C 30N 10S 6. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:489-503. [PMID: 38145890 DOI: 10.1021/acs.langmuir.3c02758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2023]
Abstract
In energy conversion and storage technologies, the design of highly efficient trifunctional electrocatalysts integrating with the high hydrogen evolution reaction (HER) and oxygen evolution/reduction reaction (OER/ORR) activities is highly desirable. Herein, utilizing first-principles computations, a novel periodically ordered macropore C30N12S6 monolayer was proposed, and the stability analysis attests to its good stability. Single transition metal (TM) atom anchored onto this newly proposed C30N12S6 monolayer to form single-atom catalysts, as achieved by TM-N2@C30N10S6, among which the Co-N2@C30N10S6 is the most promising multifunctional catalyst toward HER/OER/ORR with low overpotential of 0.01/0.59/0.3 V; meanwhile, the Rh-N2@C30N10S6 can be used as a bifunctional OER/ORR catalyst with low overpotential of 0.37/0.44 V, overmatching the landmark Pt (111) and IrO2/RuO2 catalysts. Particularly, the TM-d orbital in TM@CNS is remarkably hybridized with the O-p orbital of oxygenated intermediates, so that the lone electrons initially located at the antibonding orbital pair up and fill the downward bonding orbital, allowing OH* to be suitably adsorbed on TM@CNS, enhancing the catalytic performance. The relevant attributes, such as good stabilities and metallic features, ensured their applications in ambient conditions. Moreover, multilevel descriptors were constructed to clarify the origin of activity on TM@CNS, such as ΔGOH* (Gibbs free energy of OH*), εd (d-band center), COHP (crystal orbital Hamilton population), Nd/Nd + s (number of d/d + s electrons) and φ (descriptor), among which the filling of outer d-electrons of TM atom significantly affects the value of ΔGOH* that can determine the overpotential and, thus, become a key descriptor.
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Affiliation(s)
- Yajuan Feng
- Research Center of Silicon Target and Silicon-Carbon Negative, Materials Engineering Technology, School of Materials Science & Engineering, North Minzu University, Yinchuan 750021, People's Republic of China
| | - Chunyao Fang
- Department of Physics, College of Science, University of Shanghai for Science and Technology, Shanghai 200093, People's Republic of China
| | - Xihang Zhang
- Department of Physics, College of Science, University of Shanghai for Science and Technology, Shanghai 200093, People's Republic of China
| | - Qiang Zhang
- Department of Physics, College of Science, University of Shanghai for Science and Technology, Shanghai 200093, People's Republic of China
| | - Xiaomeng Cui
- Department of Physics, College of Science, University of Shanghai for Science and Technology, Shanghai 200093, People's Republic of China
| | - Yuanrui Li
- Department of Physics, College of Science, University of Shanghai for Science and Technology, Shanghai 200093, People's Republic of China
| | - Jingcheng Xu
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai 200093, People's Republic of China
| | - Chenglong Shi
- Department of Physics, College of Science, University of Shanghai for Science and Technology, Shanghai 200093, People's Republic of China
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Liu J, Zhang M, Li SD, Mu Y. Bifunctional diatomic site catalysts supported by β 12-borophene for efficient oxygen evolution and reduction reactions. Phys Chem Chem Phys 2023; 26:594-601. [PMID: 38086640 DOI: 10.1039/d3cp04543a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2023]
Abstract
Efficient bifunctional catalysts for oxygen evolution and reduction reactions (OERs/ORRs) are of great importance for sustainable and renewable clean energy, especially for metal-air batteries. Herein, we investigated β12-borophene with double-hole sites capped with 3d transition metal atoms to explore its catalyst performance for hydrogen evolution reactions (HERs), OERs and ORRs. It was found that the borophene is a good platform for diatomic site catalysts (DASCs) due to their advantage of stability over the corresponding single-atom catalysts (SACs) or clusters. The HER performance of DASCs on β12-BM was further improved compared to the SAC case. Furthermore, the supported FeNi DASC exhibited good catalytic performance for both OERs and ORRs, the overpotentials for which were 0.43 and 0.55 V, respectively, better than those of the corresponding supported Ni or Fe SAC due to synergistic effects. We herein propose a novel descriptor involving the Bader charges of coordinated atoms explicitly, behaving much better than the d-band center and integrated crystal orbital Hamilton population (-ICOHP) for DASCs. The synergistic effect of Fe-Ni pairs balanced the too strong binding of OH and further activated OH to achieve better catalytic performance. The results of this study can provide theoretical guidance for the design of efficient bifunctional electrocatalysts.
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Affiliation(s)
- Jia Liu
- Key Laboratory of Materials for Energy Conversion and Storage of Shanxi Province, Key Laboratory of Chemical Biology and Molecular Engineering of the Education Ministry, Institute of Molecular Science, Shanxi University, Taiyuan, 030006, China.
| | - Minjing Zhang
- Key Laboratory of Materials for Energy Conversion and Storage of Shanxi Province, Key Laboratory of Chemical Biology and Molecular Engineering of the Education Ministry, Institute of Molecular Science, Shanxi University, Taiyuan, 030006, China.
| | - Si-Dian Li
- Key Laboratory of Materials for Energy Conversion and Storage of Shanxi Province, Key Laboratory of Chemical Biology and Molecular Engineering of the Education Ministry, Institute of Molecular Science, Shanxi University, Taiyuan, 030006, China.
| | - Yuewen Mu
- Key Laboratory of Materials for Energy Conversion and Storage of Shanxi Province, Key Laboratory of Chemical Biology and Molecular Engineering of the Education Ministry, Institute of Molecular Science, Shanxi University, Taiyuan, 030006, China.
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9
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Zhang J, Zhao S, Chen B, Yin S, Feng Y, Yin Y. Sulfidation of CoCuO x Supported on Nickel Foam to Form a Heterostructure and Oxygen Vacancies for a High-Performance Anion-Exchange Membrane Water Electrolyzer. ACS APPLIED MATERIALS & INTERFACES 2023; 15:45756-45763. [PMID: 37738288 DOI: 10.1021/acsami.3c07120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/24/2023]
Abstract
Anion-exchange membrane water electrolyzer (AEMWE) is attracting attention for hydrogen production owing to its ability to employ nonprecious metal catalysts and high energy conversion efficiency. Spinel-structured transition metal oxides exhibit excellent potential in oxygen evolution reaction (OERs). Nevertheless, the research on highly active and durable spinel-structured electrodes for the anodic OER of AEMWE is deficient. Herein, a self-supported S-CoCu oxide/nickel foam (S-CoCuOx/NF) anode was synthesized through a two-step method (electrodeposition and sulfidation). The formation of abundant oxygen vacancies and heterostructure collaboratively enhances the electron and mass transfer, resulting in an overpotential of 313 mV at 100 mA cm-2 for OER. For the lab-scale AEMWE system with the S-CoCuOx/NF anode, a current density of 1 A cm-2 was obtained at 1.87 V (cell voltage) with high durability for 110 h (1 A cm-2) at 60 °C. The results will provide insights into developing the spinel structure-derived anode for high-performance AEMWE.
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Affiliation(s)
- Junfeng Zhang
- State Key Laboratory of Engines, School of Mechanical Engineering, Tianjin University, Tianjin 300072, People's Republic of China
| | - Shuo Zhao
- State Key Laboratory of Engines, School of Mechanical Engineering, Tianjin University, Tianjin 300072, People's Republic of China
| | - Bin Chen
- State Key Laboratory of Engines, School of Mechanical Engineering, Tianjin University, Tianjin 300072, People's Republic of China
| | - Shuoyao Yin
- State Key Laboratory of Engines, School of Mechanical Engineering, Tianjin University, Tianjin 300072, People's Republic of China
| | - Yingjie Feng
- Department of Catalytic Science, SINOPEC (Beijing) Research Institute of Chemical Industry Co., Ltd., Beijing 100013, China
| | - Yan Yin
- State Key Laboratory of Engines, School of Mechanical Engineering, Tianjin University, Tianjin 300072, People's Republic of China
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10
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Lin L, Long X, Yang X, Shi P, Su L. Theoretical study of Mo 2N supported transition metal single-atom catalyst for OER/ORR bifunctional electrocatalysis. Phys Chem Chem Phys 2023; 25:24721-24732. [PMID: 37670691 DOI: 10.1039/d3cp02565a] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/07/2023]
Abstract
The rational design and development of an efficient bifunctional catalyst for the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) is the key to developing new renewable energy storage and conversion technologies. Transition metal nitrides (TMNs) have shown excellent energy storage and electrochemistry potential due to their unique electronic structure and physicochemical properties. In this paper, based on the first-principles method of density functional theory (DFT), a series of efficient and stable bifunctional single-atom catalysts (SACs) were designed on Mo2N by introducing transition metal atoms as active sites, and the effects of different TM atoms on the catalytic performance of 2D-Mo2N (Two dimensional Mo2N) were evaluated. The calculation results show that TM@Mo2N exhibits excellent stability and good conductivity, which is conducive to electron transfer during the electrocatalytic reaction. Among these SACs, the Au@Mo2N single-atom catalyst has a very low OER overpotential (0.36 V), exhibiting high OER activity. Meanwhile, Au@Mo2N also exhibits excellent ORR performance with a low overpotential of 0.4 V, indicating that Au@Mo2N is the best OER/ORR bifunctional catalyst. This work provides a feasible solution for developing transition metal bifunctional electrocatalysts. Au@Mo2N is expected to replace traditional commercial Pt catalyst materials and become a catalyst with excellent performance in fuel cell modules.
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Affiliation(s)
- Long Lin
- Henan Key Laboratory of Materials on Deep-Earth Engineering, School of Materials Science and Engineering, Henan Polytechnic University, Jiaozuo 454000, China
- School of Materials Science and Engineering, Henan Polytechnic University, Jiaozuo 454000, Henan Province, China
| | - Xiaoqin Long
- Henan Key Laboratory of Materials on Deep-Earth Engineering, School of Materials Science and Engineering, Henan Polytechnic University, Jiaozuo 454000, China
| | - Xinyu Yang
- Henan Key Laboratory of Materials on Deep-Earth Engineering, School of Materials Science and Engineering, Henan Polytechnic University, Jiaozuo 454000, China
| | - Pei Shi
- Henan Key Laboratory of Materials on Deep-Earth Engineering, School of Materials Science and Engineering, Henan Polytechnic University, Jiaozuo 454000, China
| | - Linlin Su
- Liaoning Key Materials Laboratory for Railway, School of Materials Science and Engineering, Dalian Jiaotong University, Dalian 116028, Liaoning Province, China.
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Rong C, Dastafkan K, Wang Y, Zhao C. Breaking the Activity and Stability Bottlenecks of Electrocatalysts for Oxygen Evolution Reactions in Acids. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023:e2211884. [PMID: 37549889 DOI: 10.1002/adma.202211884] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 06/28/2023] [Indexed: 08/09/2023]
Abstract
Oxygen evolution reaction (OER) is a cornerstone reaction for a variety of electrochemical energy conversion and storage systems such as water splitting, CO2 /N2 reduction, reversible fuel cells, and metal-air batteries. However, OER catalysis in acids suffers from extra sluggish kinetics due to the additional step of water dissociation along with its multiple electron transfer processes. Furthermore, OER catalysts often suffer from poor stability in harsh acidic electrolytes due to the severe dissolution/corrosion processes. The development of active and stable OER catalysts in acids is highly demanded. Here, the recent advances in OER electrocatalysis in acids are reviewed and the key strategies are summarized to overcome the bottlenecks of activity and stability for both noble-metal-based and noble metal-free catalysts, including i) morphology engineering, ii) composition engineering, and iii) defect engineering. Recent achievements in operando characterization and theoretical calculations are summarized which provide an unprecedented understanding of the OER mechanisms regarding active site identification, surface reconstruction, and degradation/dissolution pathways. Finally, views are offered on the current challenges and opportunities to break the activity-stability relationships for acidic OER in mechanism understanding, catalyst design, as well as standardized stability and activity evaluation for industrial applications such as proton exchange membrane water electrolyzers and beyond.
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Affiliation(s)
- Chengli Rong
- School of Chemistry, The University of New South Wales, Sydney, New South Wales, 2052, Australia
| | - Kamran Dastafkan
- School of Chemistry, The University of New South Wales, Sydney, New South Wales, 2052, Australia
| | - Yuan Wang
- School of Chemistry, The University of New South Wales, Sydney, New South Wales, 2052, Australia
| | - Chuan Zhao
- School of Chemistry, The University of New South Wales, Sydney, New South Wales, 2052, Australia
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12
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Fang C, Zhou J, Zhang L, Wan W, Ding Y, Sun X. Synergy of dual-atom catalysts deviated from the scaling relationship for oxygen evolution reaction. Nat Commun 2023; 14:4449. [PMID: 37488102 PMCID: PMC10366111 DOI: 10.1038/s41467-023-40177-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Accepted: 07/17/2023] [Indexed: 07/26/2023] Open
Abstract
Dual-atom catalysts, particularly those with heteronuclear active sites, have the potential to outperform the well-established single-atom catalysts for oxygen evolution reaction, but the underlying mechanistic understanding is still lacking. Herein, a large-scale density functional theory is employed to explore the feasibility of *O-*O coupling mechanism, which can circumvent the scaling relationship with improving the catalytic performance of N-doped graphene supported Fe-, Co-, Ni-, and Cu-containing heteronuclear dual-atom catalysts, namely, M'M@NC. Based on the constructed activity maps, a rationally designed descriptor can be obtained to predict homonuclear catalysts. Seven heteronuclear and four homonuclear dual-atom catalysts possess high activities that outperform the minimum theoretical overpotential. The chemical and structural origin in favor of *O-*O coupling mechanism thus leading to enhanced reaction activity have been revealed. This work not only provides additional insights into the fundamental understanding of reaction mechanisms, but also offers a guideline for the accelerated discovery of efficient catalysts.
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Affiliation(s)
- Cong Fang
- Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, 266101, Qingdao, China
- Shandong Energy Institute, 266101, Qingdao, China
| | - Jian Zhou
- Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, 266101, Qingdao, China
- Shandong Energy Institute, 266101, Qingdao, China
- University of Chinese Academy of Sciences, 100049, Beijing, China
| | - Lili Zhang
- Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, 266101, Qingdao, China
- Shandong Energy Institute, 266101, Qingdao, China
- University of Chinese Academy of Sciences, 100049, Beijing, China
| | - Wenchao Wan
- Max-Plank Institute for Chemical Energy Conversion, Mülheim an der Ruhr, 45470, Germany
| | - Yuxiao Ding
- University of Chinese Academy of Sciences, 100049, Beijing, China.
- Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, 730000, Lanzhou, China.
| | - Xiaoyan Sun
- Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, 266101, Qingdao, China.
- Shandong Energy Institute, 266101, Qingdao, China.
- University of Chinese Academy of Sciences, 100049, Beijing, China.
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13
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Lin Y, Dong Y, Wang X, Chen L. Electrocatalysts for the Oxygen Evolution Reaction in Acidic Media. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2210565. [PMID: 36521026 DOI: 10.1002/adma.202210565] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 12/09/2022] [Indexed: 06/02/2023]
Abstract
The well-established proton exchange membrane (PEM)-based water electrolysis, which operates under acidic conditions, possesses many advantages compared to alkaline water electrolysis, such as compact design, higher voltage efficiency, and higher gas purity. However, PEM-based water electrolysis is hampered by the low efficiency, instability, and high cost of anodic electrocatalysts for the oxygen evolution reaction (OER). In this review, the recently reported acidic OER electrocatalysts are comprehensively summarized, classified, and discussed. The related fundamental studies on OER mechanisms and the relationship between activity and stability are particularly highlighted in order to provide an atomistic-level understanding for OER catalysis. A stability test protocol is suggested to evaluate the intrinsic activity degradation. Some current challenges and unresolved questions, such as the usage of carbon-based materials and the differences between the electrocatalyst performances in acidic electrolytes and PEM-based electrolyzers are also discussed. Finally, suggestions for the most promising electrocatalysts and a perspective for future research are outlined. This review presents a fresh impetus and guideline to the rational design and synthesis of high-performance acidic OER electrocatalysts for PEM-based water electrolysis.
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Affiliation(s)
- Yichao Lin
- Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, Zhejiang, 315201, P. R. China
- Department of Materials Science and Opto-Electronic Technology, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
- Qianwan Institute of CNiTECH, Ningbo, 315000, China
| | - Yan Dong
- Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, Zhejiang, 315201, P. R. China
- Department of Materials Science and Opto-Electronic Technology, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
- Qianwan Institute of CNiTECH, Ningbo, 315000, China
| | - Xuezhen Wang
- Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, Zhejiang, 315201, P. R. China
- Department of Materials Science and Opto-Electronic Technology, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
- Qianwan Institute of CNiTECH, Ningbo, 315000, China
| | - Liang Chen
- Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, Zhejiang, 315201, P. R. China
- Department of Materials Science and Opto-Electronic Technology, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
- Qianwan Institute of CNiTECH, Ningbo, 315000, China
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14
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Wang Y, Tian W, Wan J, Zheng Y, Zhang H, Wang Y. Tuning coordination microenvironment of V 2CT x MXene for anchoring single-atom toward efficient multifunctional electrocatalysis. J Colloid Interface Sci 2023; 645:833-840. [PMID: 37172493 DOI: 10.1016/j.jcis.2023.05.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 04/19/2023] [Accepted: 05/04/2023] [Indexed: 05/15/2023]
Abstract
The rational design of low-cost and high-performance multifunctional electrocatalysts for hydrogen evolution reaction (HER) and oxygen evolution/reduction reaction (OER/ORR) is essential for efficient overall water splitting and rechargeable metal-air battery. Herein, through density functional theory calculations, we creatively regulate the coordination microenvironment of V2CTx MXene (M-v-V2CT2, T = O, Cl, F and S) as substrates of single-atom catalysts (SACs), and then systematically explore their HER, OER, and ORR electrocatalytic performance. Our results disclose that Rh-v-V2CO2 is a promising bifunctional catalyst for water splitting (overpotentials of 0.19 and 0.37 V for HER and OER). Besides, Pt-v-V2CCl2 and Pt-v-V2CS2 possess desirable bifunctional OER/ORR activity with overpotentials of 0.49/0.55 V and 0.58/0.40 V, respectively. More interestingly, Pt-v-V2CO2 is a promising trifunctional catalyst under vacuum, implicit and explicit solvation conditions, which transcends commercially used Pt and IrO2 catalysts for HER/ORR and OER. The electronic structure analysis further demonstrates that surface functionalization can optimize the local microenvironment of the SACs and thus tune the interaction strength of intermediate adsorbates. This work provides a feasible strategy for developing advanced multifunctional electrocatalysts and enriches the application of MXene in energy conversion and storage.
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Affiliation(s)
- Yanwei Wang
- The School of Chemistry and Chemical Engineering, State Key Laboratory of Power Transmission Equipment & System Security and New Technology, Chongqing University, 174 Shazheng Street, Shapingba District, Chongqing City 400044, PR China
| | - Wu Tian
- Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto 6110011, Japan
| | - Jin Wan
- The School of Chemistry and Chemical Engineering, State Key Laboratory of Power Transmission Equipment & System Security and New Technology, Chongqing University, 174 Shazheng Street, Shapingba District, Chongqing City 400044, PR China
| | - Yanan Zheng
- The School of Chemistry and Chemical Engineering, State Key Laboratory of Power Transmission Equipment & System Security and New Technology, Chongqing University, 174 Shazheng Street, Shapingba District, Chongqing City 400044, PR China
| | - Huijuan Zhang
- The School of Chemistry and Chemical Engineering, State Key Laboratory of Power Transmission Equipment & System Security and New Technology, Chongqing University, 174 Shazheng Street, Shapingba District, Chongqing City 400044, PR China
| | - Yu Wang
- The School of Chemistry and Chemical Engineering, State Key Laboratory of Power Transmission Equipment & System Security and New Technology, Chongqing University, 174 Shazheng Street, Shapingba District, Chongqing City 400044, PR China; The School of Electrical Engineering, Chongqing University, 174 Shazheng Street, Shapingba District, Chongqing City 400044, PR China.
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15
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Ahmad W, Hou Y, Khan R, Wang L, Zhou S, Wang K, Wan Z, Zhou S, Yan W, Ling M, Liang C. V-Integration Modulates t 2g -Electrons of a Single Crystal Ir 1- x (Ir 0.8 V 0.2 O 2 ) x -BHC for Boosted and Durable OER in Acidic Electrolyte. SMALL METHODS 2023:e2201247. [PMID: 37086116 DOI: 10.1002/smtd.202201247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 03/13/2023] [Indexed: 05/03/2023]
Abstract
Realizing efficacious π-donation from the O 2p orbital to electron-deficient metal (t2g ) d-orbitals along with separately tuned adsorption of *O and *OOH, is an imperious pre-requisite for an electrocatalyst design to demonstrate boosted oxygen evolution reaction (OER) performance. To regulate the π-donation and the adsorption ability for *O and *OOH, herein, a facile strategy to modulate the electron transfer from electron-rich t2g -orbitals to electron-deficient t2g -orbitals, via strong π-donation from the π-symmetry lone pairs of the bridging O2- , and the d-band center of a biomimetic honeycomb (BHC)-like nanoarchitecture (Ir1- x (Ir0.8 V0.2 O2 )x -BHC) is introduced. The suitable integration of V heteroatoms in the single crystal system of IrO2 decreases the electron density on the neighboring Ir sites, and causes an upshift in the d-band center of Ir1- x (Ir0.8 V0.2 O2 )x -BHC, weakening the adsorption of *O while strengthening that of *OOH, lowers the energy barrier for OER. Therefore, BHC design demonstrates excellent OER performance (shows a small overpotential of 238 mV at 10 mA cm-2 and a Tafel slope of 39.87 mV dec-1 ) with remarkable stability (130 h) in corrosive acidic electrolyte. This work opens a new corridor to design robust biomimetic nanoarchitectures of modulated π-symmetry (t2g ) d-orbitals and the band structure, to achieve excellent activity and durability in acidic environment.
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Affiliation(s)
- Waqar Ahmad
- College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310058, China
- Institute of Zhejiang University-Quzhou, 78 Jinhua Boulevard, Quzhou, 324000, China
| | - Yunpeng Hou
- College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310058, China
- Institute of Zhejiang University-Quzhou, 78 Jinhua Boulevard, Quzhou, 324000, China
| | - Rashid Khan
- College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310058, China
- Institute of Zhejiang University-Quzhou, 78 Jinhua Boulevard, Quzhou, 324000, China
| | - Liguang Wang
- College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310058, China
- Institute of Zhejiang University-Quzhou, 78 Jinhua Boulevard, Quzhou, 324000, China
| | - Shiyu Zhou
- College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310058, China
- Institute of Zhejiang University-Quzhou, 78 Jinhua Boulevard, Quzhou, 324000, China
| | - Kun Wang
- College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310058, China
- Institute of Zhejiang University-Quzhou, 78 Jinhua Boulevard, Quzhou, 324000, China
| | - Zhengwei Wan
- College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310058, China
- Institute of Zhejiang University-Quzhou, 78 Jinhua Boulevard, Quzhou, 324000, China
| | - Shaodong Zhou
- College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310058, China
- Institute of Zhejiang University-Quzhou, 78 Jinhua Boulevard, Quzhou, 324000, China
| | - Wenjun Yan
- School of Automation, Hangzhou Dianzi University, Hangzhou, 310018, China
- College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310058, China
| | - Min Ling
- College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310058, China
- Institute of Zhejiang University-Quzhou, 78 Jinhua Boulevard, Quzhou, 324000, China
| | - Chengdu Liang
- College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310058, China
- Institute of Zhejiang University-Quzhou, 78 Jinhua Boulevard, Quzhou, 324000, China
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16
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Hou Z, Cui C, Yang Y, Zhang T. Electrochemical Oxidation Encapsulated Ru Clusters Enable Robust Durability for Efficient Oxygen Evolution. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023:e2207170. [PMID: 37021723 DOI: 10.1002/smll.202207170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 03/20/2023] [Indexed: 06/19/2023]
Abstract
Electrochemical oxidization and thermodynamic instability agglomeration are a primary challenge in triggering metal-support interactions (MSIs) by immobilizing metal atoms on a carrier to achieve efficient oxygen evolution reactions (OER). Herein, Ru clusters anchored to the VS2 surface and the VS2 nanosheets embedded vertically in carbon cloth (Ru-VS2 @CC) are deliberately designed to realize high reactivity and exceptional durability. In situ Raman spectroscopy reveals that the Ru clusters are preferentially electro-oxidized to form RuO2 chainmail, both affording sufficient catalytic sites and protecting the internal Ru core with VS2 substrates for consistent MSIs. Theoretical calculations elucidate that electrons across the Ru/VS2 interface aggregate toward the electro-oxidized Ru clusters, while the electronic coupling of Ru 3p and O 2p orbitals boosts a positive shift in the Fermi energy level of Ru, optimizing the adsorption capacity of the intermediates and diminishing the migration barriers of the rate-determining steps. Therefore, the Ru-VS2 @CC catalyst demonstrated ultra-low overpotentials of 245 mV at 50 mA cm-2 , while the zinc-air battery maintained a narrow gap (0.62 V) after 470 h of reversible operation. This work has transformed the corrupt into the miraculous and paved a new way for the development of efficient electrocatalysts.
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Affiliation(s)
- Zhiqian Hou
- State Key Lab of High-Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai, 200050, P. R. China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Chenghao Cui
- State Key Lab of High-Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai, 200050, P. R. China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Yanan Yang
- State Key Lab of High-Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai, 200050, P. R. China
| | - Tao Zhang
- State Key Lab of High-Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai, 200050, P. R. China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
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17
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First principles calculation study of single transition metal atom grafted Au25 as efficient electrocatalysts for OER and ORR. MOLECULAR CATALYSIS 2023. [DOI: 10.1016/j.mcat.2023.113030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
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18
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Qi J, Zeng H, Gu L, Liu Z, Zeng Y, Hong E, Lai Y, Liu T, Yang C. Electrochemical Preparation of Crystalline Hydrous Iridium Oxide and Its Use in Oxygen Evolution Catalysis. ACS APPLIED MATERIALS & INTERFACES 2023; 15:15269-15278. [PMID: 36930828 DOI: 10.1021/acsami.2c20131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Even the most stable Ir-based oxides inevitably encounter a severe degradation problem during the oxygen evolution reaction (OER) in acid, resulting in quick formation of amorphous IrOx layers on the catalyst surface. Unfortunately, there is still a lack of fundamental understanding of such hydrous IrOx layers, including the atomic arrangement, key active structure, compositions, chemical stability, and so on. In this work, we demonstrate an electrochemical strategy to prepare two types of protonated iridium oxides with well-defined crystalline structures: one possesses a 2D layered structure (denoted as α-HxIrO3) and the other consists of 3D interconnected polymorphs (denoted as β-HxIrO3). Both protonated iridium oxides demonstrate superior electrochemical stabilities with 6 times suppressed Ir dissolution comparing to the initial Li2IrO3 and rutile IrO2. It is hypothesized that the enriched protons and fast diffusions in these two protonated HxIrO3 crystal oxides may promote surface structural stability by suppressing the formation of high-valence Ir species at the solid-liquid interfaces during OER. Overall, the results of this work shed light on the role of proton dynamics toward the OER processes on the catalyst surface in acid media.
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Affiliation(s)
- Jun Qi
- School of Materials, Sun Yat-Sen University, Shenzhen 518107, P. R. China
| | - Huiyan Zeng
- School of Materials, Sun Yat-Sen University, Shenzhen 518107, P. R. China
| | - Long Gu
- School of Materials, Sun Yat-Sen University, Shenzhen 518107, P. R. China
| | - Zhongfei Liu
- School of Materials, Sun Yat-Sen University, Shenzhen 518107, P. R. China
| | - Yanquan Zeng
- School of Materials, Sun Yat-Sen University, Shenzhen 518107, P. R. China
| | - Enna Hong
- School of Materials, Sun Yat-Sen University, Shenzhen 518107, P. R. China
| | - Yuecheng Lai
- School of Materials, Sun Yat-Sen University, Shenzhen 518107, P. R. China
| | - Tianhui Liu
- Synchrotron Radiation Facility Division, Institute of Advanced Science Facilities (IASF), Shenzhen 518108, P. R. China
| | - Chunzhen Yang
- School of Materials, Sun Yat-Sen University, Shenzhen 518107, P. R. China
- Synchrotron Radiation Facility Division, Institute of Advanced Science Facilities (IASF), Shenzhen 518108, P. R. China
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19
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Ruiz Esquius J, Morgan DJ, Algara Siller G, Gianolio D, Aramini M, Lahn L, Kasian O, Kondrat SA, Schlögl R, Hutchings GJ, Arrigo R, Freakley SJ. Lithium-Directed Transformation of Amorphous Iridium (Oxy)hydroxides To Produce Active Water Oxidation Catalysts. J Am Chem Soc 2023; 145:6398-6409. [PMID: 36892000 PMCID: PMC10037335 DOI: 10.1021/jacs.2c13567] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/10/2023]
Abstract
The oxygen evolution reaction (OER) is crucial to future energy systems based on water electrolysis. Iridium oxides are promising catalysts due to their resistance to corrosion under acidic and oxidizing conditions. Highly active iridium (oxy)hydroxides prepared using alkali metal bases transform into low activity rutile IrO2 at elevated temperatures (>350 °C) during catalyst/electrode preparation. Depending on the residual amount of alkali metals, we now show that this transformation can result in either rutile IrO2 or nano-crystalline Li-intercalated IrOx. While the transition to rutile results in poor activity, the Li-intercalated IrOx has comparative activity and improved stability when compared to the highly active amorphous material despite being treated at 500 °C. This highly active nanocrystalline form of lithium iridate could be more resistant to industrial procedures to produce PEM membranes and provide a route to stabilize the high populations of redox active sites of amorphous iridium (oxy)hydroxides.
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Affiliation(s)
- Jonathan Ruiz Esquius
- Max Planck-Cardiff Centre on the Fundamentals of Heterogeneous Catalysis FUNCAT, Cardiff Catalysis Institute, School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, U.K
- International Iberian Nanotechnology Laboratory, Av. Mestre José Veiga, Braga 4715-330, Portugal
| | - David J Morgan
- Max Planck-Cardiff Centre on the Fundamentals of Heterogeneous Catalysis FUNCAT, Cardiff Catalysis Institute, School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, U.K
| | - Gerardo Algara Siller
- Department of Inorganic Chemistry, Fritz Haber-Institut der Max-Planck-Gesellschaft, 14195 Berlin, Germany
| | - Diego Gianolio
- Diamond Light Source Ltd, Harwell Science and Innovation Campus, Fermi Avenue, Didcot OX11 0DE, U.K
| | - Matteo Aramini
- Diamond Light Source Ltd, Harwell Science and Innovation Campus, Fermi Avenue, Didcot OX11 0DE, U.K
| | - Leopold Lahn
- Helmholtz Institut Erlangen-Nürnberg, Helmholtz-Zentrum Berlin GmbH, Cauerstr. 1, 91058 Erlangen, Germany
- Department of Materials Science and Engineering, Friedrich-Alexander-Universität Erlangen-Nürnberg, 91058 Erlangen, Germany
| | - Olga Kasian
- Helmholtz Institut Erlangen-Nürnberg, Helmholtz-Zentrum Berlin GmbH, Cauerstr. 1, 91058 Erlangen, Germany
- Department of Materials Science and Engineering, Friedrich-Alexander-Universität Erlangen-Nürnberg, 91058 Erlangen, Germany
| | - Simon A Kondrat
- Department of Chemistry, Loughborough University, Epinal Way, Loughborough, Leicestershire LE11 3TU, U.K
| | - Robert Schlögl
- Department of Inorganic Chemistry, Fritz Haber-Institut der Max-Planck-Gesellschaft, 14195 Berlin, Germany
- Department of Heterogeneous Reactions, Max Planck Institute for Chemical Energy Conversion, 45470 Mulheim an der Ruhr, Germany
| | - Graham J Hutchings
- Max Planck-Cardiff Centre on the Fundamentals of Heterogeneous Catalysis FUNCAT, Cardiff Catalysis Institute, School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, U.K
| | - Rosa Arrigo
- School of Science, Engineering and Environment, University of Salford, Manchester M5 4WT, U.K
| | - Simon J Freakley
- Department of Chemistry, University of Bath, Claverton Down, Bath BA2 2AY, U.K
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20
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Unraveling oxygen vacancy site mechanism of Rh-doped RuO 2 catalyst for long-lasting acidic water oxidation. Nat Commun 2023; 14:1412. [PMID: 36918568 PMCID: PMC10015077 DOI: 10.1038/s41467-023-37008-8] [Citation(s) in RCA: 29] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Accepted: 02/28/2023] [Indexed: 03/16/2023] Open
Abstract
Exploring durable electrocatalysts with high activity for oxygen evolution reaction (OER) in acidic media is of paramount importance for H2 production via polymer electrolyte membrane electrolyzers, yet it remains urgently challenging. Herein, we report a synergistic strategy of Rh doping and surface oxygen vacancies to precisely regulate unconventional OER reaction path via the Ru-O-Rh active sites of Rh-RuO2, simultaneously boosting intrinsic activity and stability. The stabilized low-valent catalyst exhibits a remarkable performance, with an overpotential of 161 mV at 10 mA cm-2 and activity retention of 99.2% exceeding 700 h at 50 mA cm-2. Quasi in situ/operando characterizations demonstrate the recurrence of reversible oxygen species under working potentials for enhanced activity and durability. It is theoretically revealed that Rh-RuO2 passes through a more optimal reaction path of lattice oxygen mediated mechanism-oxygen vacancy site mechanism induced by the synergistic interaction of defects and Ru-O-Rh active sites with the rate-determining step of *O formation, breaking the barrier limitation (*OOH) of the traditional adsorption evolution mechanism.
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21
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Wang Q, Cheng Y, Tao HB, Liu Y, Ma X, Li DS, Yang HB, Liu B. Long-Term Stability Challenges and Opportunities in Acidic Oxygen Evolution Electrocatalysis. Angew Chem Int Ed Engl 2023; 62:e202216645. [PMID: 36546885 DOI: 10.1002/anie.202216645] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 12/21/2022] [Accepted: 12/22/2022] [Indexed: 12/24/2022]
Abstract
Polymer electrolyte membrane water electrolysis (PEMWE) has been regarded as a promising technology for renewable hydrogen production. However, acidic oxygen evolution reaction (OER) catalysts with long-term stability impose a grand challenge in its large-scale industrialization. In this review, critical factors that may lead to catalyst's instability in couple with potential solutions are comprehensively discussed, including mechanical peeling, substrate corrosion, active-site over-oxidation/dissolution, reconstruction, oxide crystal structure collapse through the lattice oxygen-participated reaction pathway, etc. Last but not least, personal prospects are provided in terms of rigorous stability evaluation criteria, in situ/operando characterizations, economic feasibility and practical electrolyzer consideration, highlighting the ternary relationship of structure evolution, industrial-relevant activity and stability to serve as a roadmap towards the ultimate application of PEMWE.
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Affiliation(s)
- Qilun Wang
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, Singapore, 637459, Singapore
| | - Yaqi Cheng
- School of Materials Science and Engineering, National University of Singapore, Singapore, 117575, Singapore
| | - Hua Bing Tao
- College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Yuhang Liu
- School of Materials Science and Engineering, Suzhou University of Science and Technology, Suzhou, 215009, China
| | - Xuehu Ma
- Liaoning Key Laboratory of Clean Utilisation of Chemical Resources, Institute of Chemical Engineering, Dalian University of Technology, Dalian, 116024, China
| | - Dong-Sheng Li
- College of Materials and Chemical Engineering, Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials, China Three Gorges University, Yichang, 443002, China
| | - Hong Bin Yang
- School of Materials Science and Engineering, Suzhou University of Science and Technology, Suzhou, 215009, China
| | - Bin Liu
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, Singapore, 637459, Singapore.,Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong SAR, 999077, China
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22
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Liao F, Yin K, Ji Y, Zhu W, Fan Z, Li Y, Zhong J, Shao M, Kang Z, Shao Q. Iridium oxide nanoribbons with metastable monoclinic phase for highly efficient electrocatalytic oxygen evolution. Nat Commun 2023; 14:1248. [PMID: 36871002 PMCID: PMC9985653 DOI: 10.1038/s41467-023-36833-1] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Accepted: 02/14/2023] [Indexed: 03/06/2023] Open
Abstract
Metastable metal oxides with ribbon morphologies have promising applications for energy conversion catalysis, however they are largely restricted by their limited synthesis methods. In this study, a monoclinic phase iridium oxide nanoribbon with a space group of C2/m is successfully obtained, which is distinct from rutile iridium oxide with a stable tetragonal phase (P42/mnm). A molten-alkali mechanochemical method provides a unique strategy for achieving this layered nanoribbon structure via a conversion from a monoclinic phase K0.25IrO2 (I2/m (12)) precursor. The formation mechanism of IrO2 nanoribbon is clearly revealed, with its further conversion to IrO2 nanosheet with a trigonal phase. When applied as an electrocatalyst for the oxygen evolution reaction in acidic condition, the intrinsic catalytic activity of IrO2 nanoribbon is higher than that of tetragonal phase IrO2 due to the low d band centre of Ir in this special monoclinic phase structure, as confirmed by density functional theory calculations.
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Affiliation(s)
- Fan Liao
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, 199 Ren'ai Road, Suzhou, 215123, Jiangsu, China
| | - Kui Yin
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, 199 Ren'ai Road, Suzhou, 215123, Jiangsu, China.,College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu, 215123, China
| | - Yujin Ji
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, 199 Ren'ai Road, Suzhou, 215123, Jiangsu, China
| | - Wenxiang Zhu
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, 199 Ren'ai Road, Suzhou, 215123, Jiangsu, China
| | - Zhenglong Fan
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, 199 Ren'ai Road, Suzhou, 215123, Jiangsu, China
| | - Youyong Li
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, 199 Ren'ai Road, Suzhou, 215123, Jiangsu, China
| | - Jun Zhong
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, 199 Ren'ai Road, Suzhou, 215123, Jiangsu, China
| | - Mingwang Shao
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, 199 Ren'ai Road, Suzhou, 215123, Jiangsu, China
| | - Zhenhui Kang
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, 199 Ren'ai Road, Suzhou, 215123, Jiangsu, China.,Macao Institute of Materials Science and Engineering, Macau University of Science and Technology, Taipa, 999078, Macau, SAR, China
| | - Qi Shao
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu, 215123, China.
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23
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Hess F, Over H. Coordination Inversion of the Tetrahedrally Coordinated Ru 4f Surface Complex on RuO 2(100) and Its Decisive Role in the Anodic Corrosion Process. ACS Catal 2023. [DOI: 10.1021/acscatal.2c06260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
Affiliation(s)
- Franziska Hess
- Institute for Chemistry, Technical University Berlin, Straße des 17. Juni 124, D-10623 Berlin, Germany
| | - Herbert Over
- Institute of Physical Chemistry, Justus Liebig University, Heinrich-Buff-Ring 17, D-35392 Giessen, Germany
- Center for Materials Research, Justus Liebig University, Heinrich-Buff-Ring 16, D-35392 Giessen, Germany
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24
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Wang E, Guo M, Zhou J, Sun Z. Reasonable Design of MXene-Supported Dual-Atom Catalysts with High Catalytic Activity for Hydrogen Evolution and Oxygen Evolution Reaction: A First-Principles Investigation. MATERIALS (BASEL, SWITZERLAND) 2023; 16:1457. [PMID: 36837088 PMCID: PMC9958578 DOI: 10.3390/ma16041457] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 02/05/2023] [Accepted: 02/07/2023] [Indexed: 06/18/2023]
Abstract
MXene-supported single-atom catalysts (SACs) for water splitting has attracted extensive attention. However, the easy aggregation of individual metal atoms used as catalytic active centers usually leads to the relatively low loading of synthetic SACs, which limits the development and application of SACs. Herein, by performing first-principles calculations for Pt and 3d transition metal single atoms immobilized on a two-dimensional (2D) Mo2TiC2O2 MXene surface, we systematically studied the performance of heterogeneous dual-atom catalysts (h-DACs) in hydrogen evolution reaction (HER) and oxygen evolution reaction (OER). Significantly, h-DACs exhibit higher metal atom loading and more flexible active sites compared to SACs. Benefiting from these features, we found that Pt/Cu@Mo2TiC2O2 heterogeneous DACs exhibits excellent HER activity with ultra-low overpotential |ΔGH∗| (0.04 eV), lower than the corresponding Pt@Mo2TiC2O2 (0.14 eV) and Cu@Mo2TiC2O2 (0.33 eV) SACs, and even lower than that of Pt (0.09 eV). Meanwhile, Pt/Ni@Mo2TiC2O2 exhibits superior OER activity with ultra-low overpotential ηOER (0.38 V), lower than that of Pt@Mo2TiC2O2 (1.11 V) and Ni@Mo2TiC2O2 (0.57 V) SACs, and even lower than that of RuO2 (0.42 V) and IrO2 (0.56 V). Our finding paves the way for the rational design of h-DACs for HER and OER with excellent activity, which provides guidance for other catalytic reactions.
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25
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Wu M, Li W, Zhu C, Wu W, Zhang L, Zheng T, Fu Y, Yuan L. Single‐Step Oxidation of Low‐Concentration Methane to Methanol in the Gaseous Phase Using Ceria‐Based Iridium‐Copper Catalysts. ChemistrySelect 2023. [DOI: 10.1002/slct.202204745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Mingwei Wu
- Laboratory of Clean Low-Carbon Energy, Department of Thermal Science and Energy Engineering University of Science and Technology of China Hefei 230026 China
| | - Wenzhi Li
- Laboratory of Clean Low-Carbon Energy, Department of Thermal Science and Energy Engineering University of Science and Technology of China Hefei 230026 China
- Institute of Energy, Hefei Comprehensive National Science Center Hefei 230031 China
| | - Chen Zhu
- Laboratory of Clean Low-Carbon Energy, Department of Thermal Science and Energy Engineering University of Science and Technology of China Hefei 230026 China
| | - Wenjian Wu
- Laboratory of Clean Low-Carbon Energy, Department of Thermal Science and Energy Engineering University of Science and Technology of China Hefei 230026 China
| | - Lulu Zhang
- National & Local Joint Engineering Research Center of Precision Coal Mining Anhui University of Science and Technology Huainan 232001 China
| | - Taimin Zheng
- National & Local Joint Engineering Research Center of Precision Coal Mining Anhui University of Science and Technology Huainan 232001 China
| | - Yan Fu
- National & Local Joint Engineering Research Center of Precision Coal Mining Anhui University of Science and Technology Huainan 232001 China
| | - Liang Yuan
- National & Local Joint Engineering Research Center of Precision Coal Mining Anhui University of Science and Technology Huainan 232001 China
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26
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Zhu Y, Wang J, Koketsu T, Kroschel M, Chen JM, Hsu SY, Henkelman G, Hu Z, Strasser P, Ma J. Iridium single atoms incorporated in Co 3O 4 efficiently catalyze the oxygen evolution in acidic conditions. Nat Commun 2022; 13:7754. [PMID: 36517475 PMCID: PMC9751110 DOI: 10.1038/s41467-022-35426-8] [Citation(s) in RCA: 44] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Accepted: 12/02/2022] [Indexed: 12/15/2022] Open
Abstract
Designing active and stable electrocatalysts with economic efficiency for acidic oxygen evolution reaction is essential for developing proton exchange membrane water electrolyzers. Herein, we report on a cobalt oxide incorporated with iridium single atoms (Ir-Co3O4), prepared by a mechanochemical approach. Operando X-ray absorption spectroscopy reveals that Ir atoms are partially oxidized to active Ir>4+ during the reaction, meanwhile Ir and Co atoms with their bridged electrophilic O ligands acting as active sites, are jointly responsible for the enhanced performance. Theoretical calculations further disclose the isolated Ir atoms can effectively boost the electronic conductivity and optimize the energy barrier. As a result, Ir-Co3O4 exhibits significantly higher mass activity and turnover frequency than those of benchmark IrO2 in acidic conditions. Moreover, the catalyst preparation can be easily scaled up to gram-level per batch. The present approach highlights the concept of constructing single noble metal atoms incorporated cost-effective metal oxides catalysts for practical applications.
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Affiliation(s)
- Yiming Zhu
- Shanghai Key Laboratory for R&D and Application of Metallic Functional Materials, Institute of New Energy for Vehicles, School of Materials Science and Engineering, Tongji University, Shanghai, 201804, China
| | - Jiaao Wang
- Department of Chemistry and the Oden Institute for Computational Engineering and Sciences, The University of Texas at Austin, Austin, TX, 78712-0165, USA
| | - Toshinari Koketsu
- Shanghai Key Laboratory for R&D and Application of Metallic Functional Materials, Institute of New Energy for Vehicles, School of Materials Science and Engineering, Tongji University, Shanghai, 201804, China
- Department of Chemistry, Technical University Berlin, 10623, Berlin, Germany
| | - Matthias Kroschel
- Department of Chemistry, Technical University Berlin, 10623, Berlin, Germany
| | - Jin-Ming Chen
- National Synchrotron Radiation Research Center, Hsinchu, 30076, Taiwan
| | - Su-Yang Hsu
- National Synchrotron Radiation Research Center, Hsinchu, 30076, Taiwan
| | - Graeme Henkelman
- Department of Chemistry and the Oden Institute for Computational Engineering and Sciences, The University of Texas at Austin, Austin, TX, 78712-0165, USA
| | - Zhiwei Hu
- Max Planck Institute for Chemical Physics of Solids, Nöthnitzer Strasse 40, 01187, Dresden, Germany.
| | - Peter Strasser
- Department of Chemistry, Technical University Berlin, 10623, Berlin, Germany.
| | - Jiwei Ma
- Shanghai Key Laboratory for R&D and Application of Metallic Functional Materials, Institute of New Energy for Vehicles, School of Materials Science and Engineering, Tongji University, Shanghai, 201804, China.
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27
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Gao J, Liu Y, Liu B, Huang KW. Progress of Heterogeneous Iridium-Based Water Oxidation Catalysts. ACS NANO 2022; 16:17761-17777. [PMID: 36355040 DOI: 10.1021/acsnano.2c08519] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
The water oxidation reaction (or oxygen evolution reaction, OER) plays a critical role in green hydrogen production via water splitting, electrochemical CO2 reduction, and nitrogen fixation. The four-electron and four-proton transfer OER process involves multiple reaction intermediates and elementary steps that lead to sluggish kinetics; therefore, a high overpotential is necessary to drive the reaction. Among the different water-splitting electrolyzers, the proton exchange membrane type electrolyzer has greater advantages, but its anode catalysts are limited to iridium-based materials. The iridium catalyst has been extensively studied in recent years due to its balanced activity and stability for acidic OER, and many exciting signs of progress have been made. In this review, the surface and bulk Pourbaix diagrams of iridium species in an aqueous solution are introduced. The iridium-based catalysts, including metallic or oxides, amorphous or crystalline, single crystals, atomically dispersed or nanostructured, and iridium compounds for OER, are then elaborated. The latest progress of active sites, reaction intermediates, reaction kinetics, and elementary steps is summarized. Finally, future research directions regarding iridium catalysts for acidic OER are discussed.
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Affiliation(s)
- Jiajian Gao
- Agency for Science, Technology, and Research, Institute of Sustainability for Chemicals, Energy and Environment, 1 Pesek Road, Jurong Island, Singapore627833
| | - Yan Liu
- Agency for Science, Technology, and Research, Institute of Sustainability for Chemicals, Energy and Environment, 1 Pesek Road, Jurong Island, Singapore627833
| | - Bin Liu
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore637459
| | - Kuo-Wei Huang
- Agency for Science, Technology, and Research, Institute of Sustainability for Chemicals, Energy and Environment, 1 Pesek Road, Jurong Island, Singapore627833
- KAUST Catalysis Center and Division of Science and Engineering, King Abdullah University of Science and Technology, Thuwal23955-6900, Saudi Arabia
- Agency for Science, Technology, and Research, Institute of Materials Research and Engineering, Singapore138634
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28
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Lim S, Cho J, Park S. Elevating IrOx acidic oxygen evolution activity using SnO2-rGO hybrid support. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2022.116992] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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29
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Theoretical inspection of TM-P4C single-atom electrocatalysts: High performance for oxygen reduction and evolution reactions. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.140853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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30
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Czioska S, Ehelebe K, Geppert J, Escalera-López D, Boubnov A, Saraçi E, Mayerhöfer B, Krewer U, Cherevko S, Grunwaldt JD. Heating up the OER: Investigation of IrO2 OER catalysts as function of potential and temperature. ChemElectroChem 2022. [DOI: 10.1002/celc.202200514] [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)
- Steffen Czioska
- Karlsruher Institut für Technologie Institute for Chemical Technology and Polymer Chemistry Engesserstraße 20 76131 Karlsruhe GERMANY
| | - Konrad Ehelebe
- Forschungszentrum Jülich GmbH: Forschungszentrum Julich GmbH Helmholtz-Institute Erlangen-Nürnberg for Renewable Energy GERMANY
| | - Janis Geppert
- Karlsruher Institut für Technologie: Karlsruher Institut fur Technologie Institute for Applied Materials—Electrochemical Technologies GERMANY
| | - Daniel Escalera-López
- Forschungszentrum Jülich GmbH: Forschungszentrum Julich GmbH Helmholtz-Institute Erlangen-Nürnberg for Renewable Energy GERMANY
| | - Alexey Boubnov
- Karlsruher Institut für Technologie: Karlsruher Institut fur Technologie Institute for Chemical Technology and Polymer Chemistry GERMANY
| | - Erisa Saraçi
- Karlsruher Institut für Technologie: Karlsruher Institut fur Technologie Institute for Chemical Technology and Polymer Chemistry GERMANY
| | - Britta Mayerhöfer
- Forschungszentrum Jülich GmbH: Forschungszentrum Julich GmbH Helmholtz-Institute Erlangen-Nürnberg for Renewable Energy GERMANY
| | - Ulrike Krewer
- Karlsruher Institut für Technologie: Karlsruher Institut fur Technologie Institute for Applied Materials—Electrochemical Technologies GERMANY
| | - Serhiy Cherevko
- Forschungszentrum Jülich GmbH: Forschungszentrum Julich GmbH Helmholtz-Institute Erlangen-Nürnberg for Renewable Energy GERMANY
| | - Jan-Dierk Grunwaldt
- Karlsruher Institut für Technologie: Karlsruher Institut fur Technologie Institute for Chemical Technology and Polymer Chemistry GERMANY
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31
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Nanostructured Iridium Oxide: State of the Art. INORGANICS 2022. [DOI: 10.3390/inorganics10080115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Iridium Oxide (IrO2) is a metal oxide with a rutile crystalline structure, analogous to the TiO2 rutile polymorph. Unlike other oxides of transition metals, IrO2 shows a metallic type conductivity and displays a low surface work function. IrO2 is also characterized by a high chemical stability. These highly desirable properties make IrO2 a rightful candidate for specific applications. Furthermore, IrO2 can be synthesized in the form of a wide variety of nanostructures ranging from nanopowder, nanosheets, nanotubes, nanorods, nanowires, and nanoporous thin films. IrO2 nanostructuration, which allows its attractive intrinsic properties to be enhanced, can therefore be exploited according to the pursued application. Indeed, IrO2 nanostructures have shown utility in fields that span from electrocatalysis, electrochromic devices, sensors, fuel cell and supercapacitors. After a brief description of the IrO2 structure and properties, the present review will describe the main employed synthetic methodologies that are followed to prepare selectively the various types of nanostructures, highlighting in each case the advantages brought by the nanostructuration illustrating their performances and applications.
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32
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Dutta S, Banerjee P, Pati SK. Computational Insight into TM-N x Embedded Graphene Bifunctional Electrocatalysts for Oxygen Evolution and Reduction Reactions. ACS PHYSICAL CHEMISTRY AU 2022; 2:305-315. [PMID: 36855422 PMCID: PMC9955129 DOI: 10.1021/acsphyschemau.2c00003] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/18/2023]
Abstract
Due to the energy crisis, development of bifunctional electrocatalysts for both oxygen evolution and reduction reactions is highly demanding. In this study, we have systematically investigated the bifunctional activity of metal (Co/Rh/Ir) and N co-doped graphene systems with varying N-dopant concentrations (TM-N x @G, x = 0, 2, 4) using first-principles calculations. Charge transfer from the metal sites to the adsorbed intermediates and the adsorption free energy of the intermediates play important roles to help understand the potential-determining step and overpotential values for oxygen evolution reaction (OER)/oxygen reduction reaction (ORR). A dual volcano plot for all the systems using a common descriptor ΔG OH* has been constructed. We find that the systems having ΔG OH* values in the range of 0.40-0.70 eV can act as bifunctional electrocatalysts. Our study not only highlights the importance of metal and non-metal co-doped graphene as bifunctional catalysts but also can serve as a promising strategy for the design of efficient OER/ORR electrocatalysts.
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33
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Geppert J, Röse P, Czioska S, Escalera-López D, Boubnov A, Saraçi E, Cherevko S, Grunwaldt JD, Krewer U. Microkinetic Analysis of the Oxygen Evolution Performance at Different Stages of Iridium Oxide Degradation. J Am Chem Soc 2022; 144:13205-13217. [PMID: 35850525 PMCID: PMC9335572 DOI: 10.1021/jacs.2c03561] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
![]()
The microkinetics
of the electrocatalytic oxygen evolution reaction
substantially determines the performance in proton-exchange membrane
water electrolysis. State-of-the-art nanoparticulated rutile IrO2 electrocatalysts present an excellent trade-off between activity
and stability due to the efficient formation of intermediate surface
species. To reveal and analyze the interaction of individual surface
processes, a detailed dynamic microkinetic model approach is established
and validated using cyclic voltammetry. We show that the interaction
of three different processes, which are the adsorption of water, one
potential-driven deprotonation step, and the detachment of oxygen,
limits the overall reaction turnover. During the reaction, the active
IrO2 surface is covered mainly by *O, *OOH, and *OO adsorbed
species with a share dependent on the applied potential and of 44,
28, and 20% at an overpotential of 350 mV, respectively. In contrast
to state-of-the-art calculations of ideal catalyst surfaces, this
novel model-based methodology allows for experimental identification
of the microkinetics as well as thermodynamic energy values of real
pristine and degraded nanoparticles. We show that the loss in electrocatalytic
activity during degradation is correlated to an increase in the activation
energy of deprotonation processes, whereas reaction energies were
marginally affected. As the effect of electrolyte-related parameters
does not cause such a decrease, the model-based analysis demonstrates
that material changes trigger the performance loss. These insights
into the degradation of IrO2 and its effect on the surface
processes provide the basis for a deeper understanding of degrading
active sites for the optimization of the oxygen evolution performance.
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Affiliation(s)
- Janis Geppert
- Institute for Applied Materials-Electrochemical Technologies (IAM-ET), Karlsruhe Institute of Technology, Adenauerring 20b, Karlsruhe 76131, Germany
| | - Philipp Röse
- Institute for Applied Materials-Electrochemical Technologies (IAM-ET), Karlsruhe Institute of Technology, Adenauerring 20b, Karlsruhe 76131, Germany
| | - Steffen Czioska
- Institute for Chemical Technology and Polymer Chemistry (ITCP), Karlsruhe Institute of Technology, Engesserstr. 20, Karlsruhe 76131, Germany
| | - Daniel Escalera-López
- Helmholtz-Institute Erlangen-Nürnberg for Renewable Energy (IEK-11), Forschungszentrum Jülich GmbH, Cauerstr. 1, Erlangen 91058, Germany
| | - Alexey Boubnov
- Institute for Chemical Technology and Polymer Chemistry (ITCP), Karlsruhe Institute of Technology, Engesserstr. 20, Karlsruhe 76131, Germany.,Institute of Catalysis Reasearch and Technology (IKFT), Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, Eggenstein-Leopoldshafen 76344, Germany
| | - Erisa Saraçi
- Institute for Chemical Technology and Polymer Chemistry (ITCP), Karlsruhe Institute of Technology, Engesserstr. 20, Karlsruhe 76131, Germany.,Institute of Catalysis Reasearch and Technology (IKFT), Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, Eggenstein-Leopoldshafen 76344, Germany
| | - Serhiy Cherevko
- Helmholtz-Institute Erlangen-Nürnberg for Renewable Energy (IEK-11), Forschungszentrum Jülich GmbH, Cauerstr. 1, Erlangen 91058, Germany
| | - Jan-Dierk Grunwaldt
- Institute for Chemical Technology and Polymer Chemistry (ITCP), Karlsruhe Institute of Technology, Engesserstr. 20, Karlsruhe 76131, Germany.,Institute of Catalysis Reasearch and Technology (IKFT), Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, Eggenstein-Leopoldshafen 76344, Germany
| | - Ulrike Krewer
- Institute for Applied Materials-Electrochemical Technologies (IAM-ET), Karlsruhe Institute of Technology, Adenauerring 20b, Karlsruhe 76131, Germany
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34
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Haase FT, Rabe A, Schmidt FP, Herzog A, Jeon HS, Frandsen W, Narangoda PV, Spanos I, Friedel Ortega K, Timoshenko J, Lunkenbein T, Behrens M, Bergmann A, Schlögl R, Roldan Cuenya B. Role of Nanoscale Inhomogeneities in Co 2FeO 4 Catalysts during the Oxygen Evolution Reaction. J Am Chem Soc 2022; 144:12007-12019. [PMID: 35767719 PMCID: PMC9284556 DOI: 10.1021/jacs.2c00850] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Spinel-type catalysts are promising anode materials for the alkaline oxygen evolution reaction (OER), exhibiting low overpotentials and providing long-term stability. In this study, we compared two structurally equal Co2FeO4 spinels with nominally identical stoichiometry and substantially different OER activities. In particular, one of the samples, characterized by a metastable precatalyst state, was found to quickly achieve its steady-state optimum operation, while the other, which was initially closer to the ideal crystallographic spinel structure, never reached such a state and required 168 mV higher potential to achieve 1 mA/cm2. In addition, the enhanced OER activity was accompanied by a larger resistance to corrosion. More specifically, using various ex situ, quasi in situ, and operando methods, we could identify a correlation between the catalytic activity and compositional inhomogeneities resulting in an X-ray amorphous Co2+-rich minority phase linking the crystalline spinel domains in the as-prepared state. Operando X-ray absorption spectroscopy revealed that these Co2+-rich domains transform during OER to structurally different Co3+-rich domains. These domains appear to be crucial for enhancing OER kinetics while exhibiting distinctly different redox properties. Our work emphasizes the necessity of the operando methodology to gain fundamental insight into the activity-determining properties of OER catalysts and presents a promising catalyst concept in which a stable, crystalline structure hosts the disordered and active catalyst phase.
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Affiliation(s)
- Felix Thomas Haase
- Department of Interface Science, Fritz Haber Institute of the Max Planck Society, 4-6 Faradayweg, Berlin 14195, Germany
| | - Anna Rabe
- Inorganic Chemistry and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, 7 Universitätsstr., Essen 45141, Germany.,Inorganic Chemistry, Christian Albrechts University, 2 Max-Eyth-Straße, Kiel 24118, Germany
| | - Franz-Philipp Schmidt
- Department of Inorganic Chemistry, Fritz Haber Institute of the Max Planck Society, 4-6 Faradayweg, Berlin 14195, Germany.,Max Planck Institute for Chemical Energy Conversion, 34-36 Stiftstrasse, Mülheim an der Ruhr 45470, Germany
| | - Antonia Herzog
- Department of Interface Science, Fritz Haber Institute of the Max Planck Society, 4-6 Faradayweg, Berlin 14195, Germany
| | - Hyo Sang Jeon
- Department of Interface Science, Fritz Haber Institute of the Max Planck Society, 4-6 Faradayweg, Berlin 14195, Germany
| | - Wiebke Frandsen
- Department of Interface Science, Fritz Haber Institute of the Max Planck Society, 4-6 Faradayweg, Berlin 14195, Germany
| | - Praveen Vidusha Narangoda
- Max Planck Institute for Chemical Energy Conversion, 34-36 Stiftstrasse, Mülheim an der Ruhr 45470, Germany
| | - Ioannis Spanos
- Max Planck Institute for Chemical Energy Conversion, 34-36 Stiftstrasse, Mülheim an der Ruhr 45470, Germany
| | - Klaus Friedel Ortega
- Inorganic Chemistry and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, 7 Universitätsstr., Essen 45141, Germany
| | - Janis Timoshenko
- Department of Interface Science, Fritz Haber Institute of the Max Planck Society, 4-6 Faradayweg, Berlin 14195, Germany
| | - Thomas Lunkenbein
- Department of Inorganic Chemistry, Fritz Haber Institute of the Max Planck Society, 4-6 Faradayweg, Berlin 14195, Germany
| | - Malte Behrens
- Inorganic Chemistry and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, 7 Universitätsstr., Essen 45141, Germany.,Inorganic Chemistry, Christian Albrechts University, 2 Max-Eyth-Straße, Kiel 24118, Germany
| | - Arno Bergmann
- Department of Interface Science, Fritz Haber Institute of the Max Planck Society, 4-6 Faradayweg, Berlin 14195, Germany
| | - Robert Schlögl
- Department of Inorganic Chemistry, Fritz Haber Institute of the Max Planck Society, 4-6 Faradayweg, Berlin 14195, Germany.,Max Planck Institute for Chemical Energy Conversion, 34-36 Stiftstrasse, Mülheim an der Ruhr 45470, Germany
| | - Beatriz Roldan Cuenya
- Department of Interface Science, Fritz Haber Institute of the Max Planck Society, 4-6 Faradayweg, Berlin 14195, Germany
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35
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Binninger T, Doublet ML. The Ir-OOOO-Ir transition state and the mechanism of the oxygen evolution reaction on IrO 2(110). ENERGY & ENVIRONMENTAL SCIENCE 2022; 15:2519-2528. [PMID: 36204599 PMCID: PMC9450941 DOI: 10.1039/d2ee00158f] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Accepted: 05/04/2022] [Indexed: 05/14/2023]
Abstract
Carefully assessing the energetics along the pathway of the oxygen evolution reaction (OER), our computational study reveals that the "classical" OER mechanism on the (110) surface of iridium dioxide (IrO2) must be reconsidered. We find that the OER follows a bi-nuclear mechanism with adjacent top surface oxygen atoms as fixed adsorption sites, whereas the iridium atoms underneath play an indirect role and maintain their saturated 6-fold oxygen coordination at all stages of the reaction. The oxygen molecule is formed, via an Ir-OOOO-Ir transition state, by association of the outer oxygen atoms of two adjacent Ir-OO surface entities, leaving two intact Ir-O entities at the surface behind. This is drastically different from the commonly considered mono-nuclear mechanism where the O2 molecule evolves by splitting of the Ir-O bond in an Ir-OO entity. We regard the rather weak reducibility of crystalline IrO2 as the reason for favoring the novel pathway, which allows the Ir-O bonds to remain stable and explains the outstanding stability of IrO2 under OER conditions. The establishment of surface oxygen atoms as fixed electrocatalytically active sites on a transition-metal oxide represents a paradigm shift for the understanding of water oxidation electrocatalysis, and it reconciles the theoretical understanding of the OER mechanism on iridium oxide with recently reported experimental results from operando X-ray spectroscopy. The novel mechanism provides an efficient OER pathway on a weakly reducible oxide, defining a new strategy towards the design of advanced OER catalysts with combined activity and stability.
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36
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You H, Wu D, Si D, Cao M, Sun F, Zhang H, Wang H, Liu TF, Cao R. Monolayer NiIr-Layered Double Hydroxide as a Long-Lived Efficient Oxygen Evolution Catalyst for Seawater Splitting. J Am Chem Soc 2022; 144:9254-9263. [PMID: 35535584 DOI: 10.1021/jacs.2c00242] [Citation(s) in RCA: 48] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Promoting the oxygen evolution reaction (OER) with saline water is highly desired to realize seawater splitting. This requires OER catalysts to resist serious corrosion and undesirable chloride oxidation. We introduce a 5d transition metal, Ir, to develop a monolayer NiIr-layered double hydroxide (NiIr-LDH) as the catalyst with enhanced OER performance for seawater splitting. The NiIr-LDH catalyst delivers 500 mA/cm2 at only 361 mV overpotential with ∼99% O2 Faradaic efficiency in alkaline seawater, which is more active than commercial IrO2 (763 mV, 23%) and the best known OER catalyst NiFe-LDH (530 mV, 92%). Moreover, it shows negligible activity loss at up to 650 h chronopotentiometry measurements at an industrial level (500 mA/cm2), while commercial IrO2 and NiFe-LDH rapidly deactivated within 0.2 and 10 h, respectively. The incorporation of Ir into the Ni(OH)2 layer greatly altered the electron density of Ir and Ni sites, which was revealed by X-ray absorption fine structure and density functional theory (DFT) calculations. Coupling the electrochemical measurements and in situ Raman spectrum with DFT calculations, we further confirm that the generation of rate-limiting intermediate *O and *OOH species was accelerated on Ni and Ir sites, respectively, which is responsible for the high seawater splitting performance. Our results also provide an opportunity to fabricate LDH materials containing 5d metals for applications beyond seawater splitting.
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Affiliation(s)
- Hanhui You
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P. R. China
| | - Dongshuang Wu
- Division of Chemistry, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
| | - Duanhui Si
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P. R. China
| | - Minna Cao
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P. R. China.,University of Chinese Academy of Sciences, Beijing 100049, P.R. China
| | - Fanfei Sun
- Shanghai Synchrotron Radiation Facility, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201204, P. R. China
| | - Hao Zhang
- Shanghai Synchrotron Radiation Facility, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201204, P. R. China
| | - HuiMin Wang
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P. R. China
| | - Tian-Fu Liu
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P. R. China
| | - Rong Cao
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P. R. China.,University of Chinese Academy of Sciences, Beijing 100049, P.R. China.,Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian 350108, P. R. China
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37
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Bozal-Ginesta C, Rao RR, Mesa CA, Wang Y, Zhao Y, Hu G, Antón-García D, Stephens IEL, Reisner E, Brudvig GW, Wang D, Durrant JR. Spectroelectrochemistry of Water Oxidation Kinetics in Molecular versus Heterogeneous Oxide Iridium Electrocatalysts. J Am Chem Soc 2022; 144:8454-8459. [PMID: 35511107 PMCID: PMC9121376 DOI: 10.1021/jacs.2c02006] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
![]()
Water oxidation is the step limiting
the efficiency of electrocatalytic
hydrogen production from water. Spectroelectrochemical analyses are
employed to make a direct comparison of water oxidation reaction kinetics
between a molecular catalyst, the dimeric iridium catalyst [Ir2(pyalc)2(H2O)4-(μ-O)]2+ (IrMolecular, pyalc
= 2-(2′pyridinyl)-2-propanolate) immobilized on a mesoporous
indium tin oxide (ITO) substrate, with that of an heterogeneous electrocatalyst,
an amorphous hydrous iridium (IrOx) film. For both systems, four analogous redox states were
detected, with the formation of Ir(4+)–Ir(5+) being the potential-determining
step in both cases. However, the two systems exhibit distinct water
oxidation reaction kinetics, with potential-independent first-order
kinetics for IrMolecular contrasting
with potential-dependent kinetics for IrOx. This is attributed to water oxidation on the heterogeneous
catalyst requiring co-operative effects between neighboring oxidized
Ir centers. The ability of IrMolecular to drive water oxidation without such co-operative effects
is explained by the specific coordination environment around its Ir
centers. These distinctions between molecular and heterogeneous reaction
kinetics are shown to explain the differences observed in their water
oxidation electrocatalytic performance under different potential conditions.
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Affiliation(s)
- Carlota Bozal-Ginesta
- Department of Chemistry, Centre for Processable Electronics, Imperial College London, 80 Wood Lane, London W12 0BZ, U.K
| | - Reshma R Rao
- Department of Chemistry, Centre for Processable Electronics, Imperial College London, 80 Wood Lane, London W12 0BZ, U.K
| | - Camilo A Mesa
- Department of Chemistry, Centre for Processable Electronics, Imperial College London, 80 Wood Lane, London W12 0BZ, U.K
| | - Yuanxing Wang
- Department of Chemistry, Boston College, 2609 Beacon Street, Chestnut Hill, Massachusetts 02467, United States
| | - Yanyan Zhao
- Department of Chemistry, Boston College, 2609 Beacon Street, Chestnut Hill, Massachusetts 02467, United States
| | - Gongfang Hu
- Yale Energy Sciences Institute and Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States
| | - Daniel Antón-García
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, U.K
| | - Ifan E L Stephens
- Department of Materials, Imperial College London, 80 Wood Lane, London W12 0BZ, U.K
| | - Erwin Reisner
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, U.K
| | - Gary W Brudvig
- Yale Energy Sciences Institute and Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States
| | - Dunwei Wang
- Department of Chemistry, Boston College, 2609 Beacon Street, Chestnut Hill, Massachusetts 02467, United States
| | - James R Durrant
- Department of Chemistry, Centre for Processable Electronics, Imperial College London, 80 Wood Lane, London W12 0BZ, U.K
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38
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Lončar A, Escalera‐López D, Cherevko S, Hodnik N. Inter‐relationships between Oxygen Evolution and Iridium Dissolution Mechanisms. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202114437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Anja Lončar
- Laboratory for Electrocatalysis Department of Materials Chemistry National Institute of Chemistry Hajdrihova 19 1000 Ljubljana Slovenia
- University of Nova Gorica Vipavska 13 5000 Nova Gorica Slovenia
| | - Daniel Escalera‐López
- Helmholtz-Institute Erlangen-Nürnberg for Renewable Energy Forschungszentrum Jülich Cauerstrasse 1 91058 Erlangen Germany
| | - Serhiy Cherevko
- Helmholtz-Institute Erlangen-Nürnberg for Renewable Energy Forschungszentrum Jülich Cauerstrasse 1 91058 Erlangen Germany
| | - Nejc Hodnik
- Laboratory for Electrocatalysis Department of Materials Chemistry National Institute of Chemistry Hajdrihova 19 1000 Ljubljana Slovenia
- University of Nova Gorica Vipavska 13 5000 Nova Gorica Slovenia
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39
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Zu L, Qian X, Zhao S, Liang Q, Chen YE, Liu M, Su BJ, Wu KH, Qu L, Duan L, Zhan H, Zhang JY, Li C, Li W, Juang JY, Zhu J, Li D, Yu A, Zhao D. Self-Assembly of Ir-Based Nanosheets with Ordered Interlayer Space for Enhanced Electrocatalytic Water Oxidation. J Am Chem Soc 2022; 144:2208-2217. [PMID: 35099956 DOI: 10.1021/jacs.1c11241] [Citation(s) in RCA: 48] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Iridium (Ir)-based electrocatalysts are widely explored as benchmarks for acidic oxygen evolution reactions (OERs). However, further enhancing their catalytic activity remains challenging due to the difficulty in identifying active species and unfavorable architectures. In this work, we synthesized ultrathin Ir-IrOx/C nanosheets with ordered interlayer space for enhanced OER by a nanoconfined self-assembly strategy, employing block copolymer formed stable end-merged lamellar micelles. The interlayer distance of the prepared Ir-IrOx/C nanosheets was well controlled at ∼20 nm and Ir-IrOx nanoparticles (∼2 nm) were uniformly distributed within the nanosheets. Importantly, the fabricated Ir-IrOx/C electrocatalysts display one of the lowest overpotential (η) of 198 mV at 10 mA cm-2geo during OER in an acid medium, benefiting from their features of mixed-valence states, rich electrophilic oxygen species (O(II-δ)-), and favorable mesostructured architectures. Both experimental and computational results reveal that the mixed valence and O(II-δ)- moieties of the 2D mesoporous Ir-IrOx/C catalysts with a shortened Ir-O(II-δ)- bond (1.91 Å) is the key active species for the enhancement of OER by balancing the adsorption free energy of oxygen-containing intermediates. This strategy thus opens an avenue for designing high performance 2D ordered mesoporous electrocatalysts through a nanoconfined self-assembly strategy for water oxidation and beyond.
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Affiliation(s)
- Lianhai Zu
- Department of Chemistry, Laboratory of Advanced Materials, Shanghai Key Lab of Molecular Catalysis and Innovative Materials, iChEM, and State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China.,ARC Hub for Computational Particle Technology, Department of Chemical Engineering, Monash University, Clayton, VIC 3800, Australia.,Department of Chemical Engineering, The University of Melbourne, Parkville, VIC 3010, Australia
| | - Xingyue Qian
- Key Laboratory for Soft Chemistry and Functional Materials, Ministry of Education, Nanjing University of Science and Technology, Nanjing 210094, China.,Key Laboratory of Advanced Catalytic Materials and Technology, Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou, Jiangsu 213164, China
| | - Shenlong Zhao
- School of Chemical and Biomolecular Engineering, The University of Sydney, Sydney, NSW 2006, Australia
| | - Qinghua Liang
- Department of Chemical Engineering, The University of Melbourne, Parkville, VIC 3010, Australia
| | - Yu Emily Chen
- Monash Centre for Electron Microscopy (MCEM), Monash University, Clayton, VIC 3800, Australia
| | - Min Liu
- Department of Chemical Engineering, The University of Melbourne, Parkville, VIC 3010, Australia
| | - Bing-Jian Su
- Department of Electrophysics, National Chiao Tung University, Hsinchu 30076, Taiwan
| | - Kuang-Hsu Wu
- Department of Electrophysics, National Chiao Tung University, Hsinchu 30076, Taiwan
| | - Longbing Qu
- Department of Chemical Engineering, The University of Melbourne, Parkville, VIC 3010, Australia
| | - Linlin Duan
- Department of Chemistry, Laboratory of Advanced Materials, Shanghai Key Lab of Molecular Catalysis and Innovative Materials, iChEM, and State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
| | - Hualin Zhan
- Department of Chemical Engineering, The University of Melbourne, Parkville, VIC 3010, Australia
| | - Jun-Ye Zhang
- Department of Chemistry, Laboratory of Advanced Materials, Shanghai Key Lab of Molecular Catalysis and Innovative Materials, iChEM, and State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
| | - Can Li
- Institute of Optoelectronic Materials and Devices, China Jiliang University, Hangzhou 310018, China
| | - Wei Li
- Department of Chemistry, Laboratory of Advanced Materials, Shanghai Key Lab of Molecular Catalysis and Innovative Materials, iChEM, and State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
| | - Jenh Yih Juang
- Department of Electrophysics, National Chiao Tung University, Hsinchu 30076, Taiwan
| | - Junwu Zhu
- Key Laboratory for Soft Chemistry and Functional Materials, Ministry of Education, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Dan Li
- Department of Chemical Engineering, The University of Melbourne, Parkville, VIC 3010, Australia
| | - Aibing Yu
- ARC Hub for Computational Particle Technology, Department of Chemical Engineering, Monash University, Clayton, VIC 3800, Australia.,Southeast University-Monash University Joint Research Institute, Suzhou 215123, China
| | - Dongyuan Zhao
- Department of Chemistry, Laboratory of Advanced Materials, Shanghai Key Lab of Molecular Catalysis and Innovative Materials, iChEM, and State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China.,ARC Hub for Computational Particle Technology, Department of Chemical Engineering, Monash University, Clayton, VIC 3800, Australia
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40
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Wang B, Zhang F. Main Descriptors To Correlate Structures with the Performances of Electrocatalysts. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202111026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Bin Wang
- State Key Laboratory of Catalysis Dalian National Laboratory for Clean Energy The Collaborative Innovation Center of Chemistry for Energy Materials (iChEM) Dalian Institute of Chemical Physics Chinese Academy of Sciences 457# Zhongshan Road Dalian 116023 Liaoning China
- Center for Advanced Materials Research School of Materials and Chemical Engineering Zhongyuan University of Technology 41# Zhongyuan Road Zhengzhou 450007 Henan China
| | - Fuxiang Zhang
- State Key Laboratory of Catalysis Dalian National Laboratory for Clean Energy The Collaborative Innovation Center of Chemistry for Energy Materials (iChEM) Dalian Institute of Chemical Physics Chinese Academy of Sciences 457# Zhongshan Road Dalian 116023 Liaoning China
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41
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Liu X, Liu T, Xiao W, Wang W, Zhang Y, Wang G, Luo Z, Liu JC. Strain engineering in single-atom catalysts: GaPS 4 for bifunctional oxygen reduction and evolution. Inorg Chem Front 2022. [DOI: 10.1039/d2qi01047j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
We report here a theoretical study on 34 transition metal doped two-dimensional GaPS4 catalysts denoted as transition metal transition metal@VS-GaPS4.
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Affiliation(s)
- Xuefei Liu
- School of Physics and Electronic Science, Guizhou Normal University, Guiyang 550025, China
| | - Tianyun Liu
- School of Physics and Electronic Science, Guizhou Normal University, Guiyang 550025, China
| | - Wenjun Xiao
- School of Physics and Electronic Science, Guizhou Normal University, Guiyang 550025, China
| | - Wentao Wang
- Guizhou Provincial Key Laboratory of computational Nano-Material Science, Guizhou Education University, Guiyang 550018, China
| | - Yuefei Zhang
- School of Physics and Electronic Science, Guizhou Normal University, Guiyang 550025, China
| | - Gang Wang
- School of Physics and Electronic Science, Guizhou Normal University, Guiyang 550025, China
| | - Zijiang Luo
- College of Information, Guizhou University of Finance and Economics, Guiyang 550025, China
| | - Jin-Cheng Liu
- Department of Chemistry and Key Laboratory of Organic Optoelectronics & Molecular Engineering of Ministry of Education, Tsinghua University, Beijing 100084, China
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42
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Velesco-Velez JJ, Bernsmeier D, Jones T, Zeller P, Carbonio EA, Chuang CH, Falling L, Streibel V, Mom R, Hammud A, Haevecker M, Arrigo R, Stotz E, Lunkenbein T, Knop-Gericke A, Kraehnert R, Schlögl R. The rise of the electrochemical NAPXPS operated in the soft X-ray regime exemplified in the oxygen evolution reaction on IrOx electrocatalysts. Faraday Discuss 2022; 236:103-125. [DOI: 10.1039/d1fd00114k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Photoelectron spectroscopy offers detailed information about of the electronic structure and chemical composition of surfaces owing to the short distance that the photoelectrons can escape from a dense medium. Unfortunately,...
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43
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Lončar A, Escalera‐López D, Cherevko S, Hodnik N. Interrelations of Oxygen Evolution and Iridium Dissolution Mechanisms. Angew Chem Int Ed Engl 2021; 61:e202114437. [PMID: 34942052 PMCID: PMC9305877 DOI: 10.1002/anie.202114437] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Indexed: 11/08/2022]
Abstract
The widespread utilization of proton exchange membrane (PEM) electrolyzers currently remains uncertain, as they rely on the use of highly scarce iridium as the only viable catalyst for the oxygen evolution reaction (OER), which is known to present the major energy losses of the process. Understanding the mechanistic origin of the different activities and stabilities of Ir‐based catalysts is, therefore, crucial for a scale‐up of green hydrogen production. It is known that structure influences the dissolution, which is the main degradation mechanism and shares common intermediates with the OER. In this Minireview, the state‐of‐the‐art understanding of dissolution and its relationship with the structure of different iridium catalysts is gathered and correlated to different mechanisms of the OER. A perspective on future directions of investigation is also given.
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Affiliation(s)
- Anja Lončar
- Laboratory for ElectrocatalysisDepartment of Materials ChemistryNational Institute of ChemistryHajdrihova 191000LjubljanaSlovenia
- University of Nova GoricaVipavska 135000Nova GoricaSlovenia
| | - Daniel Escalera‐López
- Helmholtz-Institute Erlangen-Nürnberg for Renewable EnergyForschungszentrum JülichCauerstrasse 191058ErlangenGermany
| | - Serhiy Cherevko
- Helmholtz-Institute Erlangen-Nürnberg for Renewable EnergyForschungszentrum JülichCauerstrasse 191058ErlangenGermany
| | - Nejc Hodnik
- Laboratory for ElectrocatalysisDepartment of Materials ChemistryNational Institute of ChemistryHajdrihova 191000LjubljanaSlovenia
- University of Nova GoricaVipavska 135000Nova GoricaSlovenia
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44
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Xu Y, Fan K, Zou Y, Fu H, Dong M, Dou Y, Wang Y, Chen S, Yin H, Al-Mamun M, Liu P, Zhao H. Rational design of metal oxide catalysts for electrocatalytic water splitting. NANOSCALE 2021; 13:20324-20353. [PMID: 34870672 DOI: 10.1039/d1nr06285a] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Electrocatalytic energy conversion between electricity and chemical bonding energy is realized through redox reactions with multiple charge transfer steps at the electrode-electrolyte interface. The surface atomic structure of the electrode materials, if appropriately designed, will provide an energetically affordable pathway with individual reaction intermediates that not only reduce the thermodynamic energy barrier but also allow an acceptably fast kinetic rate of the overall redox reaction. As one of the most abundant and stable forms, oxides of transitional metals demonstrated promising electrocatalytic activities towards multiple important chemical reactions. In this topical review, we attempt to discuss the possible avenues to construct the electrocatalytic active surface for this important class of materials for two essential chemical reactions for water splitting. A general introduction of the electrochemical water splitting process on the electrocatalyst surface with applied potential will be provided, followed by a discussion on the fundamental charge transfers and the mechanism. As the generally perceived active sites are chemical reaction dependent, we offer a general overview of the possible approaches to construct or create electrocatalytically active sites in the context of surface atomic structure engineering. The review concludes with perspectives that summarize challenges and opportunities in electrocatalysis and how these can be addressed to unlock the electrocatalytic potentials of the metal oxide materials.
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Affiliation(s)
- Yiming Xu
- Centre for Catalysis and Clean Energy, School of Environment and Science, Griffith University, Gold Coast Campus, Queensland, 4222, Australia.
| | - Kaicai Fan
- Centre for Catalysis and Clean Energy, School of Environment and Science, Griffith University, Gold Coast Campus, Queensland, 4222, Australia.
| | - Yu Zou
- Centre for Catalysis and Clean Energy, School of Environment and Science, Griffith University, Gold Coast Campus, Queensland, 4222, Australia.
| | - Huaiqin Fu
- Centre for Catalysis and Clean Energy, School of Environment and Science, Griffith University, Gold Coast Campus, Queensland, 4222, Australia.
| | - Mengyang Dong
- Centre for Catalysis and Clean Energy, School of Environment and Science, Griffith University, Gold Coast Campus, Queensland, 4222, Australia.
| | - Yuhai Dou
- Centre for Catalysis and Clean Energy, School of Environment and Science, Griffith University, Gold Coast Campus, Queensland, 4222, Australia.
| | - Yun Wang
- Centre for Catalysis and Clean Energy, School of Environment and Science, Griffith University, Gold Coast Campus, Queensland, 4222, Australia.
| | - Shan Chen
- Centre for Catalysis and Clean Energy, School of Environment and Science, Griffith University, Gold Coast Campus, Queensland, 4222, Australia.
| | - Huajie Yin
- Centre for Catalysis and Clean Energy, School of Environment and Science, Griffith University, Gold Coast Campus, Queensland, 4222, Australia.
- Key Laboratory of Materials Physics, Centre for Environmental and Energy Nanomaterials, Anhui Key Laboratory of Nanomaterials and Nanotechnology, CAS Center for Excellence in Nanoscience Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, P. R. China
| | - Mohammad Al-Mamun
- Centre for Catalysis and Clean Energy, School of Environment and Science, Griffith University, Gold Coast Campus, Queensland, 4222, Australia.
| | - Porun Liu
- Centre for Catalysis and Clean Energy, School of Environment and Science, Griffith University, Gold Coast Campus, Queensland, 4222, Australia.
| | - Huijun Zhao
- Centre for Catalysis and Clean Energy, School of Environment and Science, Griffith University, Gold Coast Campus, Queensland, 4222, Australia.
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45
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Bozal-Ginesta C, Rao RR, Mesa CA, Liu X, Hillman SAJ, Stephens IEL, Durrant JR. Redox-State Kinetics in Water-Oxidation IrO x Electrocatalysts Measured by Operando Spectroelectrochemistry. ACS Catal 2021. [DOI: 10.1021/acscatal.1c03290] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Carlota Bozal-Ginesta
- Department of Chemistry, Centre for Processable Electronics, Imperial College London, 80 Wood Lane, London W12 0BZ, U.K
| | - Reshma R. Rao
- Department of Chemistry, Centre for Processable Electronics, Imperial College London, 80 Wood Lane, London W12 0BZ, U.K
| | - Camilo A. Mesa
- Department of Chemistry, Centre for Processable Electronics, Imperial College London, 80 Wood Lane, London W12 0BZ, U.K
| | - Xinyi Liu
- Department of Chemistry, Centre for Processable Electronics, Imperial College London, 80 Wood Lane, London W12 0BZ, U.K
| | - Sam A. J. Hillman
- Department of Chemistry, Centre for Processable Electronics, Imperial College London, 80 Wood Lane, London W12 0BZ, U.K
| | - Ifan E. L. Stephens
- Department of Materials, Imperial College London, 80 Wood Lane, London W12 0BZ, U.K
| | - James R. Durrant
- Department of Chemistry, Centre for Processable Electronics, Imperial College London, 80 Wood Lane, London W12 0BZ, U.K
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46
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Li L, Wang P, Shao Q, Huang X. Recent Progress in Advanced Electrocatalyst Design for Acidic Oxygen Evolution Reaction. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2004243. [PMID: 33749035 DOI: 10.1002/adma.202004243] [Citation(s) in RCA: 110] [Impact Index Per Article: 36.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 10/16/2020] [Indexed: 05/27/2023]
Abstract
Proton exchange membrane (PEM) water electrolyzers hold great significance for renewable energy storage and conversion. The acidic oxygen evolution reaction (OER) is one of the main roadblocks that hinder the practical application of PEM water electrolyzers. Highly active, cost-effective, and durable electrocatalysts are indispensable for lowering the high kinetic barrier of OER to achieve boosted reaction kinetics. To date, a wide spectrum of advanced electrocatalysts has been designed and synthesized for enhanced acidic OER performance, though Ir and Ru based nanostructures still represent the state-of-the-art catalysts. In this Progress Report, recent research progress in advanced electrocatalysts for improved acidic OER performance is summarized. First, fundamental understanding about acidic OER including reaction mechanisms and atomic understanding to acidic OER for rational design of efficient electrocatalysts are discussed. Thereafter, an overview of the progress in the design and synthesis of advanced acidic OER electrocatalysts is provided in terms of catalyst category, i.e., metallic nanostructures (Ir and Ru based), precious metal oxides, nonprecious metal oxides, and carbon based nanomaterials. Finally, perspectives to the future development of acidic OER are provided from the aspects of reaction mechanism investigation and more efficient electrocatalyst design.
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Affiliation(s)
- Leigang Li
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Jiangsu, 215123, China
| | - Pengtang Wang
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Jiangsu, 215123, China
| | - Qi Shao
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Jiangsu, 215123, China
| | - Xiaoqing Huang
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Jiangsu, 215123, China
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47
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Ding H, Liu H, Chu W, Wu C, Xie Y. Structural Transformation of Heterogeneous Materials for Electrocatalytic Oxygen Evolution Reaction. Chem Rev 2021; 121:13174-13212. [PMID: 34523916 DOI: 10.1021/acs.chemrev.1c00234] [Citation(s) in RCA: 107] [Impact Index Per Article: 35.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Electrochemical water splitting for hydrogen generation is a promising pathway for renewable energy conversion and storage. One of the most important issues for efficient water splitting is to develop cost-effective and highly efficient electrocatalysts to drive sluggish oxygen-evolution reaction (OER) at the anode side. Notably, structural transformation such as surface oxidation of metals or metal nonoxide compounds and surface amorphization of some metal oxides during OER have attracted growing attention in recent years. The investigation of structural transformation in OER will contribute to the in-depth understanding of accurate catalytic mechanisms and will finally benefit the rational design of catalytic materials with high activity. In this Review, we provide an overview of heterogeneous materials with obvious structural transformation during OER electrocatalysis. To gain insight into the essence of structural transformation, we summarize the driving forces and critical factors that affect the transformation process. In addition, advanced techniques that are used to probe chemical states and atomic structures of transformed surfaces are also introduced. We then discuss the structure of active species and the relationship between catalytic performance and structural properties of transformed materials. Finally, the challenges and prospects of heterogeneous OER electrocatalysis are presented.
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Affiliation(s)
- Hui Ding
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Center for Excellence in Nanoscience, Collaborative Innovation Center of Chemistry for Energy Materials (iChEM) and CAS Key Laboratory of Mechanical Behavior and Design of Materials, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Hongfei Liu
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Center for Excellence in Nanoscience, Collaborative Innovation Center of Chemistry for Energy Materials (iChEM) and CAS Key Laboratory of Mechanical Behavior and Design of Materials, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Wangsheng Chu
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui 230029, P. R. China
| | - Changzheng Wu
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Center for Excellence in Nanoscience, Collaborative Innovation Center of Chemistry for Energy Materials (iChEM) and CAS Key Laboratory of Mechanical Behavior and Design of Materials, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China.,Institute of Energy, Hefei Comprehensive National Science Center, Hefei, Anhui 230026, P. R. China
| | - Yi Xie
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Center for Excellence in Nanoscience, Collaborative Innovation Center of Chemistry for Energy Materials (iChEM) and CAS Key Laboratory of Mechanical Behavior and Design of Materials, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China.,Institute of Energy, Hefei Comprehensive National Science Center, Hefei, Anhui 230026, P. R. China
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48
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Kang Y, Jiang B, Malgras V, Guo Y, Cretu O, Kimoto K, Ashok A, Wan Z, Li H, Sugahara Y, Yamauchi Y, Asahi T. Heterostructuring Mesoporous 2D Iridium Nanosheets with Amorphous Nickel Boron Oxide Layers to Improve Electrolytic Water Splitting. SMALL METHODS 2021; 5:e2100679. [PMID: 34927951 DOI: 10.1002/smtd.202100679] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2021] [Revised: 07/28/2021] [Indexed: 06/14/2023]
Abstract
2D heterostructures exhibit a considerable potential in electrolytic water splitting due to their high specific surface areas, tunable electronic properties, and diverse hybrid compositions. However, the fabrication of well-defined 2D mesoporous amorphous-crystalline heterostructures with highly active heterointerfaces remains challenging. Herein, an efficient 2D heterostructure consisting of amorphous nickel boron oxide (Ni-Bi ) and crystalline mesoporous iridium (meso-Ir) is designed for water splitting, referred to as Ni-Bi /meso-Ir. Benefiting from well-defined 2D heterostructures and strong interfacial coupling, the resulting mesoporous dual-phase Ni-Bi /meso-Ir possesses abundant catalytically active heterointerfaces and boosts the exposure of active sites, compared to their crystalline and amorphous mono-counterparts. The electronic state of the iridium sites is tuned favorably by hybridizing with Ni-Bi layers. Consequently, the Ni-Bi /meso-Ir heterostructures show superior and stable electrochemical performance toward both oxygen evolution reaction (OER) and hydrogen evolution reaction (HER) in an alkaline electrolyte.
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Affiliation(s)
- Yunqing Kang
- Department of Nanoscience and Nanoengineering, Department of Life Science and Medical Bioscience and Department of Applied Chemistry, Faculty of Science and Engineering, Waseda University, Shinjuku, Tokyo, 169-8555, Japan
- JST-ERATO Yamauchi Materials Space-Tectonics Project and International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), Tsukuba, Ibaraki, 305-0044, Japan
| | - Bo Jiang
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials, Shanghai Normal University, Shanghai, 200234, China
| | - Victor Malgras
- JST-ERATO Yamauchi Materials Space-Tectonics Project and International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), Tsukuba, Ibaraki, 305-0044, Japan
| | - Yanna Guo
- Department of Nanoscience and Nanoengineering, Department of Life Science and Medical Bioscience and Department of Applied Chemistry, Faculty of Science and Engineering, Waseda University, Shinjuku, Tokyo, 169-8555, Japan
| | - Ovidiu Cretu
- Electron Microscopy Group, National Institute for Materials Science (NIMS), Tsukuba, Ibaraki, 305-0044, Japan
| | - Koji Kimoto
- Electron Microscopy Group, National Institute for Materials Science (NIMS), Tsukuba, Ibaraki, 305-0044, Japan
| | - Aditya Ashok
- Australian Institute for Bioengineering and Nanotechnology (AIBN) and School of Chemical Engineering, The University of Queensland, Brisbane, QLD, 4072, Australia
| | - Zhe Wan
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials, Shanghai Normal University, Shanghai, 200234, China
| | - Hexing Li
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials, Shanghai Normal University, Shanghai, 200234, China
| | - Yoshiyuki Sugahara
- Department of Nanoscience and Nanoengineering, Department of Life Science and Medical Bioscience and Department of Applied Chemistry, Faculty of Science and Engineering, Waseda University, Shinjuku, Tokyo, 169-8555, Japan
- JST-ERATO Yamauchi Materials Space-Tectonics Project, Kagami Memorial Research Institute for Materials Science and Technology, Waseda University, Shinjuku, Tokyo, 169-0051, Japan
| | - Yusuke Yamauchi
- JST-ERATO Yamauchi Materials Space-Tectonics Project and International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), Tsukuba, Ibaraki, 305-0044, Japan
- Australian Institute for Bioengineering and Nanotechnology (AIBN) and School of Chemical Engineering, The University of Queensland, Brisbane, QLD, 4072, Australia
- JST-ERATO Yamauchi Materials Space-Tectonics Project, Kagami Memorial Research Institute for Materials Science and Technology, Waseda University, Shinjuku, Tokyo, 169-0051, Japan
| | - Toru Asahi
- Department of Nanoscience and Nanoengineering, Department of Life Science and Medical Bioscience and Department of Applied Chemistry, Faculty of Science and Engineering, Waseda University, Shinjuku, Tokyo, 169-8555, Japan
- JST-ERATO Yamauchi Materials Space-Tectonics Project, Kagami Memorial Research Institute for Materials Science and Technology, Waseda University, Shinjuku, Tokyo, 169-0051, Japan
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49
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Hasnat MA, Siddika M, Uddin SN, Alamry KA, Rahman MM. Fabrication of IrOx immobilized glassy carbon surface for attaining electrocatalytic ascorbic acid oxidation reactions. Electrochim Acta 2021. [DOI: 10.1016/j.electacta.2021.138999] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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50
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Wei B, Fu Z, Legut D, Germann TC, Du S, Zhang H, Francisco JS, Zhang R. Rational Design of Highly Stable and Active MXene-Based Bifunctional ORR/OER Double-Atom Catalysts. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2102595. [PMID: 34342921 DOI: 10.1002/adma.202102595] [Citation(s) in RCA: 55] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 05/13/2021] [Indexed: 05/14/2023]
Abstract
Designing highly active and bifunctional oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) catalysts has attracted great interest toward metal-air batteries. Herein, an efficient solution to the search for MXene-based bifunctional catalysts is proposed by introducing non-noble metals such as Fe/Co/Ni at the surfaces. These results indicate that the ultrahigh activities in Ni1/Ni2- and Fe1/Ni2-modified MXene-based double-atom catalysts (DACs) for bifunctional ORR/OER are better than those of well-known unifunctional catalysts with low overpotentials, such as Pt(111) for the ORR and IrO2 (110) for the OER. Strain can profoundly regulate the catalytic activities of MXene-based DACs, providing a novel pathway for tunable catalytic behavior in flexible MXenes. An electrochemical model, based on density functional theory and theoretical polarization curves, is proposed to reveal the underlying mechanisms, in agreement with experimental results. Electronic structure analyses indicate that the excellent catalytic activities in the MXene-based DACs are attributed to the electron-capturing capability and synergistic interactions between Fe/Co/Ni adsorbents and MXene substrate. These findings not only reveal promising candidates for MXene-based bifunctional ORR/OER catalysts but also provide new theoretical insights into rationally designing noble-metal-free bifunctional DACs.
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Affiliation(s)
- Bo Wei
- School of Materials Science and Engineering, Beihang University, Beijing, 100191, P. R. China
- Center for Integrated Computational Materials Engineering (International Research Institute for Multidisciplinary Science) and Key Laboratory of High-Temperature Structural Materials and Coatings Technology (Ministry of Industry and Information Technology), Beihang University, Beijing, 100191, P. R. China
| | - Zhongheng Fu
- School of Materials Science and Engineering, Beihang University, Beijing, 100191, P. R. China
- Center for Integrated Computational Materials Engineering (International Research Institute for Multidisciplinary Science) and Key Laboratory of High-Temperature Structural Materials and Coatings Technology (Ministry of Industry and Information Technology), Beihang University, Beijing, 100191, P. R. China
| | - Dominik Legut
- IT4Innovations, VSB-Technical University of Ostrava, 17.listopadu 2172/15, Ostrava, CZ-70800, Czech Republic
| | - Timothy C Germann
- Theoretical Division, Los Alamos National Laboratory, Los Alamos, NM, 87545, USA
| | - Shiyu Du
- Engineering Laboratory of Specialty Fibers and Nuclear Energy Materials, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, Zhejiang, 315201, P. R. China
| | - Haijun Zhang
- National United Engineering Laboratory for Biomedical Material Modification, Dezhou, Shandong, 251100, P. R. China
- Department of Vascular and Intervention, Tenth Peoples' Hospital of Tongji University, Shanghai, 200072, P. R. China
| | - Joseph S Francisco
- Department of Earth and Environmental Science and Department of Chemistry, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Ruifeng Zhang
- School of Materials Science and Engineering, Beihang University, Beijing, 100191, P. R. China
- Center for Integrated Computational Materials Engineering (International Research Institute for Multidisciplinary Science) and Key Laboratory of High-Temperature Structural Materials and Coatings Technology (Ministry of Industry and Information Technology), Beihang University, Beijing, 100191, P. R. China
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