Issue 3, 2023

Recent progress of manganese dioxide based electrocatalysts for the oxygen evolution reaction

Abstract

The oxygen evolution reaction (OER) represents an anodic reaction for a variety of sustainable energy conversion and storage technologies, such as hydrogen production, CO2 reduction, etc. To realize the large-scale implementation of these technologies, the sluggish kinetics of the OER resulting from multi-step proton/electron transfer and occurring at the gas–liquid–solid triple-phase boundary needs to be accelerated. Manganese oxide-based (MnOx) materials, especially MnO2, have become promising non-precious metal electrocatalysts for the OER under acidic conditions due to the good trade-off between catalytic activity and stability. This paper reviews the recent progress of MnO2-based materials to catalyze the OER through either the traditional adsorbent formation mechanism (AEM) or the emerging lattice-oxygen-mediated mechanism (LOM). Pure manganese dioxide OER catalysts with different crystalline structures and morphologies are summarized, while MnO2-based composite structures are also discussed, and the application of MnO2-based catalysts in PEMWEs is summarized. Critical challenges and future research directions are presented to hopefully help future research.

Keywords: Manganese dioxides; Electrocatalysts; Oxygen evolution reaction; Adsorbate evolution mechanism; Lattice-oxygen-mediated mechanism.

Graphical abstract: Recent progress of manganese dioxide based electrocatalysts for the oxygen evolution reaction

Article information

Article type
Review Article
Submitted
19 Mar 2023
Accepted
11 May 2023
First published
11 May 2023
This article is Open Access
Creative Commons BY-NC license

Ind. Chem. Mater., 2023,1, 312-331

Recent progress of manganese dioxide based electrocatalysts for the oxygen evolution reaction

Y. He, Z. Kang, J. Li, Y. Li and X. Tian, Ind. Chem. Mater., 2023, 1, 312 DOI: 10.1039/D3IM00034F

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