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Recent advances in cobalt-based electrocatalysts for hydrogen and oxygen evolution reactions

Zhang, Wenxiu, Cui, Liang, Liu, Jingquan·2020·Journal of Alloys and Compounds

Abstract

Abstract Electrochemical water splitting has proven to be the most promising way to generate hydrogen. However, the high cost and low efficiency of the catalysts for cathode and anode in water splitting device remain the most knotty obstacle that needs to be stepped over. The optimal electrocatalysts can lower the energy costs required for water splitting via the reduced overpotential. Therefore, developing efficient and nonprecious electrocatalysts for the hydrogen evolution reaction (HER), oxygen evolution reaction (OER) is highly critical and challenging. Cobalt (Co)-based electrocatalysts have been widely applied as electrocatalysts for HER and OER in water splitting. In this review, the mechanisms of HER and OER, was first illustrated, the preparation and electrochemical performance of various Co-based electrocatalysts, including cobalt oxides, hydroxides, sulfides, phosphides, nitrides and selenides for HER or OER are then summarized. Finally, the potential challenges and the future perspective of Co-based electrocatalysts are proposed.

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Metadata

Authors
Zhang, W., Cui, L., & Liu, J.
Venue
Journal of Alloys and Compounds
Publisher
Elsevier BV
Published
2020-04
Volume
821
Pages
153542
ISSN
0925-8388 (ISSN-L)
OpenAlex
W2998284104
Cited by
328
References
252
FWCI
6.44
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Recent advances in cobalt-based electrocatalysts for hydrogen and oxygen evolution reactions. https://app.cochat.ai/papers/10.1016/j.jallcom.2019.153542
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Zhang, W., Cui, L., & Liu, J. (2020). Recent advances in cobalt-based electrocatalysts for hydrogen and oxygen evolution reactions. Journal of Alloys and Compounds. https://doi.org/10.1016/j.jallcom.2019.153542

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