Dealloying-derived nanoporous Sn-doped copper with prior selectivity toward formate for CO2 electrochemical reduction

Hefeng Yuan; Bohao Kong; Zhehao Liu; Li Cui; Xiaoguang Wang

doi:10.1039/D3CC04825J

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Dealloying-derived nanoporous Sn-doped copper with prior selectivity toward formate for CO₂ electrochemical reduction†

Hefeng Yuan,

*^a Bohao Kong,^b Zhehao Liu,^b Li Cui^a and Xiaoguang Wang*^b

Author affiliations

* Corresponding authors

^a Institute of Resources and Environmental Engineering, Shanxi University, Taiyuan 030006, China
E-mail: yuanhefeng@sxu.edu.cn

^b Laboratory of Advanced Materials and Energy Electrochemistry, College of Materials Science & Engineering, Taiyuan University of Technology, Taiyuan 030024, Shanxi, China
E-mail: wangxiaoguang@tyut.edu.cn

Abstract

We report nanoporous Cu–Sn catalysts fabricated by chemically dealloying rapid solidified Al–Cu–Sn alloys for the CO₂RR. The np-Cu₁₁Sn₁ catalyst exhibits a three-dimensional interconnected ligament-channel network structure, which can efficiently convert CO₂ to formate with a Faradaic efficiency (FE) of 72.1% at −1.0 V (vs. RHE).

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Article information

DOI: https://doi.org/10.1039/D3CC04825J
Article type: Communication
Submitted: 28 Sep 2023
Accepted: 13 Nov 2023
First published: 15 Nov 2023

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Chem. Commun., 2024,60, 184-187

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Dealloying-derived nanoporous Sn-doped copper with prior selectivity toward formate for CO₂ electrochemical reduction

H. Yuan, B. Kong, Z. Liu, L. Cui and X. Wang, Chem. Commun., 2024, 60, 184 DOI: 10.1039/D3CC04825J

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