Issue 25, 2023

Self-supporting metal–organic framework-based hydrogen and oxygen electrocatalysts

Abstract

Towards green production and efficient utilization of hydrogen, developing renewable clean energy technologies based on hydrogen and oxygen electrocatalysis, especially water electrolysis, zinc–air batteries, and fuel cells, is of vital significance. To promote their energy conversion efficiency, low-cost and high-efficiency electrocatalysts are highly desired to accelerate the sluggish kinetics of hydrogen and oxygen electrocatalytic reactions. The emergence of metal–organic frameworks (MOFs) provides new opportunities to obtain high-performance hydrogen and oxygen electrocatalysts with desired composition and structures. However, most of these MOF-based electrocatalysts are powders, resulting in limited active sites, blocked mass/charge transport, and insufficient stability. In this context, we present an up-to-date investigation of self-supporting MOF-based hydrogen and oxygen electrocatalysts with a focus on the synthesis strategy and application. Finally, some personal insights into the current challenges and potential solutions are presented, aiming at providing some guidance for the design and synthesis of advanced self-supporting MOF-based materials in hydrogen/oxygen-related energy technologies.

Graphical abstract: Self-supporting metal–organic framework-based hydrogen and oxygen electrocatalysts

Article information

Article type
Review Article
Submitted
31 3 2023
Accepted
17 5 2023
First published
18 5 2023

J. Mater. Chem. A, 2023,11, 13089-13106

Self-supporting metal–organic framework-based hydrogen and oxygen electrocatalysts

X. Sun, S. Wang, Y. Hou, X. F. Lu, J. Zhang and X. Wang, J. Mater. Chem. A, 2023, 11, 13089 DOI: 10.1039/D3TA01903A

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