期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 890, 期 -, 页码 -出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2021.161929
关键词
Co-based nanomaterials; Optimization strategies; Oxygen evolution reaction; Water electrolysis
资金
- National Natural Science Foundation of China [21671173]
- Independent Designing Scientific Research Project of Zhejiang Normal University [2020ZS03]
This review discusses the recent optimization strategies for Co-based nanomaterials in the oxygen evolution reaction (OER), including catalytic mechanisms, performance advantages, and various material optimization concepts and strategies. Furthermore, the practical applications of Co-based OER catalysts in water electrolysis are highlighted.
The sluggish oxygen evolution reaction (OER) kinetics is the critical problem that hinders the practical applications of metal-air batteries and water electrolyzers. Co-based nanomaterials with high catalytic activity, rich abundance and low-cost, are deemed as one of the most promising electrocatalysts for OER. In this review, we present an overview of the recent developed optimization strategies on the advanced engineering and controllable synthesis of Co-based nanomaterials for OER. The mechanism and performance merits for the OER are introduced first, and then the different material optimization concepts and strategies including elemental doping, defect engineering, morphology regulation and control, heterostructure engineering, and single-atom catalyst design, are reviewed to provide a deep insight into the relationship between composition, structure and performance. The practical applications of Co-based OER catalysts in water electrolysis are further highlighted in detail. And the current challenges and prospect towards the further development of Co-based electrocatalysts are finally summarized. (c) 2021 Elsevier B.V. All rights reserved.
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