Issue 11, 2023

Manganese-based oxide electrocatalysts for the oxygen evolution reaction: a review

Abstract

The oxygen evolution reaction (OER), as an essential process in water decomposition and air batteries, has received increasing attention in the context of clean energy production and efficient energy storage. With their abundant composition and morphology, manganese-based oxides (MnOx) offer great possibilities for the exploration and design of OER catalysts. In this paper, three classes of MnOx materials, including MnO2, Mn2O3, and Mn3O4, are systematically reviewed and their development and applications in OER systems are comprehensively presented. Subsequently, the effects of Jahn–Teller distortion and the question of the active site and stability of MnOx in the OER are discussed, and the presence of Mn3+, which is considered essential for OER activity, and strategies for improving performance are proposed. This paper focuses on the impact of crystal structure, catalytic mechanisms, and design strategies on MnOx.

Graphical abstract: Manganese-based oxide electrocatalysts for the oxygen evolution reaction: a review

Article information

Article type
Review Article
Submitted
20 Nov 2022
Accepted
13 Feb 2023
First published
17 Feb 2023

J. Mater. Chem. A, 2023,11, 5476-5494

Manganese-based oxide electrocatalysts for the oxygen evolution reaction: a review

P. Wang, S. Zhang, Z. Wang, Y. Mo, X. Luo, F. Yang, M. Lv, Z. Li and X. Liu, J. Mater. Chem. A, 2023, 11, 5476 DOI: 10.1039/D2TA09039B

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