Key to C2 production: selective C–C coupling for electrochemical CO2 reduction on copper alloy surfaces

Xing Zhi; Yan Jiao; Yao Zheng; Shi-Zhang Qiao

doi:10.1039/D1CC03796J

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Key to C₂ production: selective C–C coupling for electrochemical CO₂ reduction on copper alloy surfaces†

Xing Zhi,

^a Yan Jiao,

*^a Yao Zheng

^a and Shi-Zhang Qiao

*^a

Author affiliations

* Corresponding authors

^a Centre for Materials in Energy and Catalysis (CMEC), School of Chemical Engineering and Advanced Materials, The University of Adelaide, SA 5005, Australia
E-mail: yan.jiao@adelaide.edu.au, s.qiao@adelaide.edu.au

Abstract

The C–C coupling kinetic variations are observed on Cu alloys with Pt, Pd, or Au surface sites. The OC–COH coupling is kinetically more favorable than OC–CHO coupling, which originates from increased reactivity of adsorbed *CO species. Linear energy relations for C–C association/dissociation could simplify the energetic evaluation for C₂ production.

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Article information

DOI: https://doi.org/10.1039/D1CC03796J
Article type: Communication
Submitted: 14 Jul 2021
Accepted: 23 Aug 2021
First published: 23 Aug 2021

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Chem. Commun., 2021,57, 9526-9529

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Key to C₂ production: selective C–C coupling for electrochemical CO₂ reduction on copper alloy surfaces

X. Zhi, Y. Jiao, Y. Zheng and S. Qiao, Chem. Commun., 2021, 57, 9526 DOI: 10.1039/D1CC03796J

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