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Noble-metal-free electrocatalysts toward H2O2 production

Abstract

The exploration of high-efficiency, robust and low-cost electrocatalysts for the hydrogen peroxide (H2O2) production receives increasing attention due to its key role in developing a new alternative to replace the traditional anthraquinone process. In recent years, significant achievements of non-noble metal electrocatalysts for H2O2 production have been made. Herein, this review presents recent advances of noble-metal-free electrocatalysts toward H2O2 production. Specifically, we first introduce the fundamental principle of on-site electrochemical synthesis of H2O2. Then, the classification and corresponding recent progresses of noble-metal-free electrocatalysts are reviewed, including carbon-based materials (modified by pore structure adjustment, topology defect, heteroatom-doping and surface oxygen functionalization), metal compounds (e.g., NiO, MnO, FeO, Bi2Te3, CoS2), metal single atom catalysts (e.g., Fe, Co, Ni, Mn, Mo) and metal complexes. In parallel, the synthesis strategy, component, structure, electrochemical property and reaction mechanism are highlighted. Finally, the current progresses, challenges, and potential of noble-metal-free electrocatalysts towards H2O2 production are also outlooked.

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Article information


Submitted
09 Sep 2020
Accepted
15 Oct 2020
First published
15 Oct 2020

J. Mater. Chem. A, 2020, Accepted Manuscript
Article type
Review Article

Noble-metal-free electrocatalysts toward H2O2 production

K. Dong, Y. Lei, H. Zhao, J. Liang, P. Ding, Q. Liu, Z. Xu, S. Lu, Q. Li and X. Sun, J. Mater. Chem. A, 2020, Accepted Manuscript , DOI: 10.1039/D0TA08894C

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