Hydroxyl radicals dominate reoxidation of oxide-derived Cu in electrochemical CO2 reduction

Shijia Mu; Honglei Lu; Qianbao Wu; Lei Li; Ruijuan Zhao; Chang Long; Chunhua Cui

doi:10.1038/s41467-022-31498-8

Nature Communications (Jun 2022)

Hydroxyl radicals dominate reoxidation of oxide-derived Cu in electrochemical CO2 reduction

Shijia Mu,
Honglei Lu,
Qianbao Wu,
Lei Li,
Ruijuan Zhao,
Chang Long,
Chunhua Cui

Affiliations

Shijia Mu: Molecular Electrochemistry Laboratory, Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China
Honglei Lu: Molecular Electrochemistry Laboratory, Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China
Qianbao Wu: Molecular Electrochemistry Laboratory, Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China
Lei Li: Molecular Electrochemistry Laboratory, Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China
Ruijuan Zhao: Molecular Electrochemistry Laboratory, Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China
Chang Long: Molecular Electrochemistry Laboratory, Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China
Chunhua Cui: Molecular Electrochemistry Laboratory, Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China

DOI: https://doi.org/10.1038/s41467-022-31498-8
Journal volume & issue: Vol. 13, no. 1
pp. 1 – 8

Abstract

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The Cuδ+ species has been frequently detected during CO2 reduction and plays a key role in C-C coupling for C2+ products. Here the authors uncover that the HCO3 - solution can activate hydroxyl radicals that oxidize metallic Cu to surface Cuδ+ species.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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