期刊
APPLIED MATERIALS TODAY
卷 22, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.apmt.2020.100913
关键词
Self-supported; Transition metal; Electrocatalysts; Large current density; Water electrolysis
资金
- National Natural Science Foundation of China [21776314]
- Qingdao Science and Technology Benefiting People Special Project [20-3-4-8-nsh]
- Fundamental Research Funds for the Central Universities [20CX02212A]
- Development Fund of State Key Laboratory of Heavy Oil Processing and Postgraduate Innovation Project of China University of Petroleum [YCX2020035]
This review discusses the recent development of self-supported transition metal-based catalysts that can operate stably at high current density, focusing on their catalytic performance in three important reactions of electrolytic cells. It also generalizes some design requirements, relevant test conditions, and potential conversion of large current density catalysts. Finally, some perspectives for further development of large current density-based electrocatalysts are proposed.
Developing the cost-effective and robust large current density catalysts is vital for industrial electrocatalytic water splitting. However, most of reported successful catalysts have a small tested range and the current density is usually less than 100 mA cm(-2), which is far from meeting the actual application demands. This review first summarizes the recent reported self-supported transition metal-based catalysts that can run stably at high current density. Where their catalytic performance in three important reactions of electrolytic cells: hydrogen evolution reaction (HER), oxygen evolution reaction (OER) and overall water splitting (OWS) have been introduced, respectively. Meanwhile, some design requirements, relevant test conditions and potential conversion in exploring large current catalysts have been generalized. Finally, some perspectives for further development of large current density-based electrocatalysts are proposed. This work may provide the guidance and reference for rational design and exploitation of self-supported high current density electrocatalysts, thus further promoting the large-scale application of water splitting. (C) 2020 Published by Elsevier Ltd.
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