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Language: English

Conflict of Interest: In relation to this article, we declare that there is no conflict of interest.

Publication history: Received February 19, 2024
Accepted April 26, 2024

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Recent Advances in Co 3 O 4 -Based Hybrid Structures for Water Electrolysis

Ha Huu Do Quyet Van Le Hai Bang Truong^†

NTT Hi-Tech Institute, Nguyen Tat Thanh University ¹Department of Materials Science and Engineering, Institute of Green Manufacturing Technology , Korea University ²Optical Materials Research Group, Science and Technology Advanced Institute , Van Lang University ³Faculty of Applied Technology, School of Technology , Van Lang University

truonghaibang@vlu.edu.vn

Korean Journal of Chemical Engineering, August 2024, 41(8), 2227-2237(11), https://doi.org/10.1007/s11814-024-00183-5

Abstract

Water electrolysis in association with electrocatalysts, has been indicated as a pivotal pathway to produce hydrogen and could

tackle the issues related to the carbon footprint. Co 3 O 4 -based hybrid structural materials with high catalytic activity and rich

defects are evaluated as effi cacious advocates of water splitting. This account commences by explicating the mechanistic

underpinnings of the hydrogen evolution reaction (HER). Next, a range of hybrid structures of Co 3 O 4 with metals, metal

oxides, metal sulfi des, metal phosphides, metal selenides, layered double hydroxides, and carbon materials are introduced

as potential catalysts for HER. Finally, burdensome tasks and reliable guidelines for the progression of Co 3 O 4 -based architectures

for the enhancement of HER are discussed.

Keywords

Co 3 O 4 · Water electrolysis · Hybrid structures · Rich defects · Electrocatalysts