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Electrochemical Energy Reviews ›› 2025, Vol. 8 ›› Issue (3): 16-.doi: 10.1007/s41918-025-00248-x

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Engineering Cu-based Catalysts for CO2 Electroreduction: from Catalyst Design to Practical Applications

Jianzhao Peng1, Lidan Sun1, Yongliang Li1, Qianling Zhang1, Xiangzhong Ren1, Xifei Li2, Jiujun Zhang3, Xueliang Sun2,4,5, Zhongxin Song1, Lei Zhang1   

  1. 1. College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, China;
    2. Shaanxi Engineering Research Center of Key Materials for Lithium/Sodium-Ion Batteries, Institute of Advanced Electrochemical Energy & School of Materials Science and Engineering, Xi'an University of Technology, Shaanxi, China;
    3. Institute for New Energy Materials and Engineering/College of Materials Science and Engineering, Fuzhou University, Fujian, China;
    4. Department of Mechanical and Materials Engineering, The University of Western Ontario, London, ON N6A 5B9, Canada;
    5. Eastern Institute for Advanced Study, Eastern Institute of Technology, Zhejiang, China
  • Received:2024-11-26 Revised:2025-01-25 Online:2025-09-20 Published:2025-11-12
  • Contact: Zhongxin Song Email:E-mail:zxsong@szu.edu.cn;Lei Zhang Email:E-mail:lei.zhang@szu.edu.cn E-mail:zxsong@szu.edu.cn;lei.zhang@szu.edu.cn
  • Supported by:
    This research was supported by National Natural Science Foundation of China (No. 22472101, 22279079), Guangdong Science and Technology Department Program (2021QN02L252, 2023A1515010021), Shenzhen Science and Technology Programs (JCYJ20200109110416441, 20220810133521001, 20220809165014001), Research Team Cultivation Program of ShenZhen University (2023QNT007) and the Natural Science Foundation of SZU (000002111605, 000002112215).

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Abstract: In the context of the global greenhouse effect and energy scarcity, it is of great significance to convert carbon dioxide (CO2) into value-added fuels and chemicals through renewable electricity. Cu-based catalysts have been challenging for producing C1 and C2+ high-value chemicals in electrochemical CO2 reduction reaction (CO2RR). Plenty of research groups have engaged in the development of Cu-based catalysts with high activity, selectivity, and stability. This review comprehensively summarizes the recent progress in engineering Cu-based catalysts for CO2RR, with a detailed understanding of the reaction mechanism, catalyst design, and product selectivity. Besides, the strategies aiming at improving the stability of Cu-based catalysts and advancements in CO2RR electrolyzers are addressed. Finally, the future important research directions of Cu-based catalysts in practical CO2RR are prospected.

Key words: CO2RR, Cu-based catalysts, Catalyst design, CO2RR electrolyzers

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