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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, Zhichuan J., Yan, Chun‐Hua·2021·Advanced Materials

Abstract

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 understanding 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. The reported approaches to improve the activity, from macroview to microview, are then discussed. 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. Finally, the challenges and perspectives for the development of active and robust OER catalysts in acid are discussed.

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Metadata

Authors
An, L., Wei, C., Lu, M., Liu, H., Chen, Y., Scherer, G. G., Fisher, A. C., Xi, P., Xu, Z. J., & Yan, C.
Venue
Advanced Materials
Publisher
Wiley
Published
2021-03-25
Volume
33
Issue
20
Pages
e2006328-e2006328
ISSN
  • 0935-9648 (ISSN-L)
  • 1521-4095
OpenAlex
W3138305217
Cited by
897
References
14
FWCI
25.14
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Recent Development of Oxygen Evolution Electrocatalysts in Acidic Environment. https://app.cochat.ai/papers/10.1002/adma.202006328
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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. https://doi.org/10.1002/adma.202006328

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