Recent development of oxygen evolution electrocatalysts in acidic environment
The proton exchange membrane (PEM) water electrolysis is one of the most promising hydrogen production techniques. The oxygen evolution reaction (OER) occurring at the anode dominates the overall efficiency. Developing active and robust electrocatalysts for OER in acid is a longstanding challenge fo...
| Main Authors: | , , , , , , , , , |
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| Other Authors: | |
| Format: | Journal Article |
| Language: | English |
| Published: |
2021
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| Subjects: | |
| Online Access: | https://hdl.handle.net/10356/148442 |
| _version_ | 1811677745586896896 |
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| author | An, Li Wei, Chao Lu, Min Liu, Hanwen Chen, Yubo Scherer, Günther G. Fisher, Adrian C. Xi, Pinxian Xu, Jason Zhichuan Yan, Chun-Hua |
| author2 | School of Materials Science and Engineering |
| author_facet | School of Materials Science and Engineering An, Li Wei, Chao Lu, Min Liu, Hanwen Chen, Yubo Scherer, Günther G. Fisher, Adrian C. Xi, Pinxian Xu, Jason Zhichuan Yan, Chun-Hua |
| author_sort | An, Li |
| collection | NTU |
| description | The proton exchange membrane (PEM) water electrolysis is one of the most promising hydrogen production techniques. The oxygen evolution reaction (OER) occurring at the anode dominates the overall efficiency. Developing active and robust electrocatalysts for OER in acid is a longstanding challenge for PEM water electrolyzers. Most catalysts show unsatisfied stability under strong acidic and oxidative conditions. Such a stability challenge also leads to difficulties for a better understanding of mechanisms. This review aims to provide the current progress on understandings of OER mechanisms in acid, analyze the promising strategies to enhance both activity and stability, and summarize the state-of-the-art catalysts for OER in acid. First, the prevailing OER mechanisms are reviewed to establish the physicochemical structure-activity relationships for guiding the design of highly efficient OER electrocatalysts in acid with stable performance. We then discuss the reported approaches to improving the activity, from macro-view to micro-view. To analyze the problem of instability, the key factors affecting catalyst stability are summarized and the surface reconstruction is discussed. Various noble-metal based OER catalysts and the current progress of non-noble-metal based catalysts are reviewed. Lastly, the challenges and perspectives for the development of active and robust OER catalysts in acid are discussed. |
| first_indexed | 2024-10-01T02:42:15Z |
| format | Journal Article |
| id | ntu-10356/148442 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T02:42:15Z |
| publishDate | 2021 |
| record_format | dspace |
| spelling | ntu-10356/1484422023-07-14T15:55:58Z Recent development of oxygen evolution electrocatalysts in acidic environment An, Li Wei, Chao Lu, Min Liu, Hanwen Chen, Yubo Scherer, Günther G. Fisher, Adrian C. Xi, Pinxian Xu, Jason Zhichuan Yan, Chun-Hua School of Materials Science and Engineering Energy Research Institute @ NTU (ERI@N) Science::Chemistry::Physical chemistry::Electrochemistry Engineering::Materials::Energy materials Oxygen Evolution Acid The proton exchange membrane (PEM) water electrolysis is one of the most promising hydrogen production techniques. The oxygen evolution reaction (OER) occurring at the anode dominates the overall efficiency. Developing active and robust electrocatalysts for OER in acid is a longstanding challenge for PEM water electrolyzers. Most catalysts show unsatisfied stability under strong acidic and oxidative conditions. Such a stability challenge also leads to difficulties for a better understanding of mechanisms. This review aims to provide the current progress on understandings of OER mechanisms in acid, analyze the promising strategies to enhance both activity and stability, and summarize the state-of-the-art catalysts for OER in acid. First, the prevailing OER mechanisms are reviewed to establish the physicochemical structure-activity relationships for guiding the design of highly efficient OER electrocatalysts in acid with stable performance. We then discuss the reported approaches to improving the activity, from macro-view to micro-view. To analyze the problem of instability, the key factors affecting catalyst stability are summarized and the surface reconstruction is discussed. Various noble-metal based OER catalysts and the current progress of non-noble-metal based catalysts are reviewed. Lastly, the challenges and perspectives for the development of active and robust OER catalysts in acid are discussed. Ministry of Education (MOE) Accepted version 2021-06-04T03:34:20Z 2021-06-04T03:34:20Z 2021 Journal Article An, L., Wei, C., Lu, M., Liu, H., Chen, Y., Scherer, G. G., Fisher, A. C., Xi, P., Xu, J. Z. & Yan, C. (2021). Recent development of oxygen evolution electrocatalysts in acidic environment. Advanced Materials, 33(20), 2006328-. https://dx.doi.org/10.1002/adma.202006328 0935-9648 https://hdl.handle.net/10356/148442 10.1002/adma.202006328 20 33 2006328 en Advanced Materials This is the peer reviewed version of the following article: An, L., Wei, C., Lu, M., Liu, H., Chen, Y., Scherer, G. G., Fisher, A. C., Xi, P., Xu, Z. J. & Yan, C. (2021). Recent development of oxygen evolution electrocatalysts in acidic environment. Advanced Materials, 33(2-), 2006328-. https://dx.doi.org/10.1002/adma.202006328, which has been published in final form at https://doi.org/10.1002/adma.202006328. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. application/pdf |
| spellingShingle | Science::Chemistry::Physical chemistry::Electrochemistry Engineering::Materials::Energy materials Oxygen Evolution Acid An, Li Wei, Chao Lu, Min Liu, Hanwen Chen, Yubo Scherer, Günther G. Fisher, Adrian C. Xi, Pinxian Xu, Jason Zhichuan Yan, Chun-Hua Recent development of oxygen evolution electrocatalysts in acidic environment |
| title | Recent development of oxygen evolution electrocatalysts in acidic environment |
| title_full | Recent development of oxygen evolution electrocatalysts in acidic environment |
| title_fullStr | Recent development of oxygen evolution electrocatalysts in acidic environment |
| title_full_unstemmed | Recent development of oxygen evolution electrocatalysts in acidic environment |
| title_short | Recent development of oxygen evolution electrocatalysts in acidic environment |
| title_sort | recent development of oxygen evolution electrocatalysts in acidic environment |
| topic | Science::Chemistry::Physical chemistry::Electrochemistry Engineering::Materials::Energy materials Oxygen Evolution Acid |
| url | https://hdl.handle.net/10356/148442 |
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