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Unveiling hydrocerussite as an electrochemically stable active phase for efficient carbon dioxide electroreduction to formate

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  • Yanmei Shi

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

  • Yan Ji

    (Tianjin University)

  • Jun Long

    (University of Chinese Academy of Sciences
    Westlake University)

  • Yu Liang

    (Tianjin University)

  • Yang Liu

    (Tianjin University)

  • Yifu Yu

    (Tianjin University)

  • Jianping Xiao

    (University of Chinese Academy of Sciences)

  • Bin Zhang

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

Abstract

For most metal-containing CO2 reduction reaction (CO2RR) electrocatalysts, the unavoidable self-reduction to zero-valence metal will promote hydrogen evolution, hence lowering the CO2RR selectivity. Thus it is challenging to design a stable phase with resistance to electrochemical self-reduction as well as high CO2RR activity. Herein, we report a scenario to develop hydrocerussite as a stable and active electrocatalyst via in situ conversion of a complex precursor, tannin-lead(II) (TA-Pb) complex. A comprehensive characterization reveals the in situ transformation of TA-Pb to cerussite (PbCO3), and sequentially to hydrocerussite (Pb3(CO3)2(OH)2), which finally serves as a stable and active phase under CO2RR condition. Both experiments and theoretical calculations confirm the high activity and selectivity over hydrocerussite. This work not only offers a new approach of enhancing the selectivity in CO2RR by suppressing the self-reduction of electrode materials, but also provides a strategy for studying the reaction mechanism and active phases of electrocatalysts.

Suggested Citation

  • Yanmei Shi & Yan Ji & Jun Long & Yu Liang & Yang Liu & Yifu Yu & Jianping Xiao & Bin Zhang, 2020. "Unveiling hydrocerussite as an electrochemically stable active phase for efficient carbon dioxide electroreduction to formate," Nature Communications, Nature, vol. 11(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-17120-9
    DOI: 10.1038/s41467-020-17120-9
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    Cited by:

    1. Nannan Meng & Jiang Shao & Hongjiao Li & Yuting Wang & Xiaoli Fu & Cuibo Liu & Yifu Yu & Bin Zhang, 2022. "Electrosynthesis of formamide from methanol and ammonia under ambient conditions," Nature Communications, Nature, vol. 13(1), pages 1-8, December.
    2. Xin Chen & Junxiang Chen & Huayu Chen & Qiqi Zhang & Jiaxuan Li & Jiwei Cui & Yanhui Sun & Defa Wang & Jinhua Ye & Lequan Liu, 2023. "Promoting water dissociation for efficient solar driven CO2 electroreduction via improving hydroxyl adsorption," Nature Communications, Nature, vol. 14(1), pages 1-12, December.

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