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Efficient CO2 electroreduction on facet-selective copper films with high conversion rate

Author

Listed:
  • Gong Zhang

    (Tianjin University
    Tianjin University
    Collaborative Innovation Center of Chemical Science and Engineering (Tianjin))

  • Zhi-Jian Zhao

    (Tianjin University
    Tianjin University
    Collaborative Innovation Center of Chemical Science and Engineering (Tianjin))

  • Dongfang Cheng

    (Tianjin University
    Tianjin University
    Collaborative Innovation Center of Chemical Science and Engineering (Tianjin))

  • Huimin Li

    (Tianjin University
    Tianjin University
    Collaborative Innovation Center of Chemical Science and Engineering (Tianjin))

  • Jia Yu

    (Tianjin University
    Tianjin University
    Collaborative Innovation Center of Chemical Science and Engineering (Tianjin))

  • Qingzhen Wang

    (Tianjin University
    Tianjin University
    Collaborative Innovation Center of Chemical Science and Engineering (Tianjin))

  • Hui Gao

    (Tianjin University
    Tianjin University
    Collaborative Innovation Center of Chemical Science and Engineering (Tianjin))

  • Jinyu Guo

    (Stanford University)

  • Huaiyuan Wang

    (Tianjin University
    Tianjin University
    Collaborative Innovation Center of Chemical Science and Engineering (Tianjin))

  • Geoffrey A. Ozin

    (University of Toronto)

  • Tuo Wang

    (Tianjin University
    Tianjin University
    Collaborative Innovation Center of Chemical Science and Engineering (Tianjin))

  • Jinlong Gong

    (Tianjin University
    Tianjin University
    Collaborative Innovation Center of Chemical Science and Engineering (Tianjin)
    Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University)

Abstract

Tuning the facet exposure of Cu could promote the multi-carbon (C2+) products formation in electrocatalytic CO2 reduction. Here we report the design and realization of a dynamic deposition-etch-bombardment method for Cu(100) facets control without using capping agents and polymer binders. The synthesized Cu(100)-rich films lead to a high Faradaic efficiency of 86.5% and a full-cell electricity conversion efficiency of 36.5% towards C2+ products in a flow cell. By further scaling up the electrode into a 25 cm2 membrane electrode assembly system, the overall current can ramp up to 12 A while achieving a single-pass yield of 13.2% for C2+ products. An insight into the influence of Cu facets exposure on intermediates is provided by in situ spectroscopic methods supported by theoretical calculations. The collected information will enable the precise design of CO2 reduction reactions to obtain desired products, a step towards future industrial CO2 refineries.

Suggested Citation

  • Gong Zhang & Zhi-Jian Zhao & Dongfang Cheng & Huimin Li & Jia Yu & Qingzhen Wang & Hui Gao & Jinyu Guo & Huaiyuan Wang & Geoffrey A. Ozin & Tuo Wang & Jinlong Gong, 2021. "Efficient CO2 electroreduction on facet-selective copper films with high conversion rate," Nature Communications, Nature, vol. 12(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-26053-w
    DOI: 10.1038/s41467-021-26053-w
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    Cited by:

    1. Xie, Heping & Liao, Hailong & Zhai, Shuo & Liu, Tao & Wu, Yifan & Wang, Fuhuan & Li, Junbiao & Zhang, Yuan & Chen, Bin, 2023. "Enhancing Zn–CO2 battery with a facile Pd doped perovskite cathode for efficient CO2 to CO conversion," Energy, Elsevier, vol. 263(PB).

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