Selectivity control for CO2 electroreduction to syngas using Fe/CuOx catalysts with high current density

Hui Liu; Enting Shi; Weiwei Guo; Zhaoyang Sun; Zijian Fang; Zhijun Zhu; Lei Jiao; Yanling Zhai; Xiaoquan Lu

doi:10.1039/D3CC03328G

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Selectivity control for CO₂ electroreduction to syngas using Fe/CuO_x catalysts with high current density†

Hui Liu,‡^a Enting Shi,‡^a Weiwei Guo,*^a Zhaoyang Sun,^a Zijian Fang,^a Zhijun Zhu,

*^a Lei Jiao,^a Yanling Zhai*^a and Xiaoquan Lu

*^a

Author affiliations

* Corresponding authors

^a Institute of Molecular Metrology, College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, P. R. China
E-mail: guoweiwei21@qdu.edu.cn, zhuzhijun@qdu.edu.cn, zhaiyanling@qdu.edu.cn, luxq@nwnu.edu.cn

Abstract

A novel and tunable synthesis of Fe/CuO_x bimetallic catalysts has been achieved via a simple Fe-precipitation and calcination method, which was used for highly efficient CO₂ electroreduction to control the wide-ranging CO to H₂ ratio by simply changing the ratio of metals. The faradaic efficiency of CO could reach 86.1% with a current density of 49.1 mA cm⁻². The ratio of CO/H₂ could reach 1.94 to 6.18 and it was discovered that the Fe/CuO_x bimetallic catalysts could easily get different ratios of syngas, which can be applied directly in industry.

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Article information

DOI: https://doi.org/10.1039/D3CC03328G
Article type: Communication
Submitted: 11 Jul 2023
Accepted: 17 Jul 2023
First published: 17 Jul 2023

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Chem. Commun., 2023,59, 9746-9749

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Selectivity control for CO₂ electroreduction to syngas using Fe/CuO_x catalysts with high current density

H. Liu, E. Shi, W. Guo, Z. Sun, Z. Fang, Z. Zhu, L. Jiao, Y. Zhai and X. Lu, Chem. Commun., 2023, 59, 9746 DOI: 10.1039/D3CC03328G

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Chemical Communications