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Recent progress on bimetallic NiCo and CoFe based electrocatalysts for alkaline oxygen evolution reaction: A review

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Gebreslase, Gebrehiwet Abrham, Martínez-Huerta, Maria Victoria, Lázaro, Maria Jesus·2022·Journal of Energy Chemistry

Abstract

The deployment of hydrogen as an energy carrier is found to be a vital alternative fuel for the future. It is expected that water electrolysis, powered by renewable energy sources, be able to scale‐up hydrogen production. However, the reaction kinetic of oxygen evolution reaction (OER) is a sluggish process, which predominantly limits the efficiency of water electrolysis. This review recapitulates the recent progress and efforts made in the design and development of two selected earth-abundant bimetallic electrocatalysts (NiCo and CoFe) for alkaline OER. Each bimetal electrocatalyst is thoroughly outlined and discussed in five sub-sections, including bimetal (oxy) hydroxides, Layered double hydroxides (LDHs) structures, oxides, composites, alloy and nanostructured electrocatalysts, and assembled with heteroatoms. Furthermore, a brief introduction to an in situ/operando characterization techniques and advantages for monitoring the structure of the electrocatalysts is provided. Finally, a summary outlining the challenges and conceivable approaches to advance OER performance is highlighted and discussed.

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Metadata

Authors
Gebreslase, G. A., Martínez-Huerta, M. V., & Lázaro, M. J.
Venue
Journal of Energy Chemistry
Publisher
Elsevier BV
Published
2022-04
Volume
67
Pages
101-137
ISSN
2095-4956 (ISSN-L)
OpenAlex
W3209267930
Cited by
250
References
14
FWCI
7.39
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: Recent progress on bimetallic NiCo and CoFe based electrocatalysts for alkaline oxygen evolution reaction: A review. https://app.cochat.ai/papers/10.1016/j.jechem.2021.10.009
The paper
Gebreslase, G. A., Martínez-Huerta, M. V., & Lázaro, M. J. (2022). Recent progress on bimetallic NiCo and CoFe based electrocatalysts for alkaline oxygen evolution reaction: A review. Journal of Energy Chemistry. https://doi.org/10.1016/j.jechem.2021.10.009

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