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Efficient industrial-current-density acetylene to polymer-grade ethylene via hydrogen-localization transfer over fluorine-modified copper

Author

Listed:
  • Lei Bai

    (Institute of Photonics and Photon-Technology, Northwest University)

  • Yi Wang

    (Institute of Photonics and Photon-Technology, Northwest University)

  • Zheng Han

    (Institute of Photonics and Photon-Technology, Northwest University)

  • Jinbo Bai

    (Université Paris-Saclay, CentraleSupélec, ENS Paris-Saclay, CNRS, LMPS-Laboratoire de Mécanique Paris-Saclay, 8-10 rue Joliot-Curie)

  • Kunyue Leng

    (Institute of Photonics and Photon-Technology, Northwest University)

  • Lirong Zheng

    (Institute of High Energy Physics)

  • Yunteng Qu

    (Institute of Photonics and Photon-Technology, Northwest University)

  • Yuen Wu

    (University of Science and Technology of China)

Abstract

Electrocatalytic acetylene semi-hydrogenation to ethylene powered by renewable electricity represents a sustainable pathway, but the inadequate current density and single-pass yield greatly impedes the production efficiency and industrial application. Herein, we develop a F-modified Cu catalyst that shows an industrial partial current density up to 0.76 A cm−2 with an ethylene Faradic efficiency surpass 90%, and the maximum single-pass yield reaches a notable 78.5%. Furthermore, the Cu-F showcase the capability to directly convert acetylene into polymer-grade ethylene in a tandem flow cell, almost no acetylene residual in the production. Combined characterizations and calculations reveal that the Cuδ+ (near fluorine) enhances the water dissociation, and the generated active hydrogen are immediately transferred to Cu0 (away from fluorine) and react with the locally adsorbed acetylene. Therefore, the hydrogen evolution reaction is surpassed and the overall acetylene semi-hydrogenation performance is boosted. Our findings provide new opportunity towards rational design of catalysts for large-scale electrosynthesis of ethylene and other important industrial raw.

Suggested Citation

  • Lei Bai & Yi Wang & Zheng Han & Jinbo Bai & Kunyue Leng & Lirong Zheng & Yunteng Qu & Yuen Wu, 2023. "Efficient industrial-current-density acetylene to polymer-grade ethylene via hydrogen-localization transfer over fluorine-modified copper," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-44171-5
    DOI: 10.1038/s41467-023-44171-5
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    References listed on IDEAS

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    1. Bo-Hang Zhao & Fanpeng Chen & Mengke Wang & Chuanqi Cheng & Yongmeng Wu & Cuibo Liu & Yifu Yu & Bin Zhang, 2023. "Economically viable electrocatalytic ethylene production with high yield and selectivity," Nature Sustainability, Nature, vol. 6(7), pages 827-837, July.
    2. Weiqing Xue & Xinyan Liu & Chunxiao Liu & Xinyan Zhang & Jiawei Li & Zhengwu Yang & Peixin Cui & Hong-Jie Peng & Qiu Jiang & Hongliang Li & Pengping Xu & Tingting Zheng & Chuan Xia & Jie Zeng, 2023. "Electrosynthesis of polymer-grade ethylene via acetylene semihydrogenation over undercoordinated Cu nanodots," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    3. Lei Zhang & Zhe Chen & Zhenpeng Liu & Jun Bu & Wenxiu Ma & Chen Yan & Rui Bai & Jin Lin & Qiuyu Zhang & Junzhi Liu & Tao Wang & Jian Zhang, 2021. "Efficient electrocatalytic acetylene semihydrogenation by electron–rich metal sites in N–heterocyclic carbene metal complexes," Nature Communications, Nature, vol. 12(1), pages 1-9, December.
    4. Yi Xu & Fengwang Li & Aoni Xu & Jonathan P. Edwards & Sung-Fu Hung & Christine M. Gabardo & Colin P. O’Brien & Shijie Liu & Xue Wang & Yuhang Li & Joshua Wicks & Rui Kai Miao & Yuan Liu & Jun Li & Jia, 2021. "Low coordination number copper catalysts for electrochemical CO2 methanation in a membrane electrode assembly," Nature Communications, Nature, vol. 12(1), pages 1-7, December.
    5. Xue Wang & Pengfei Ou & Joshua Wicks & Yi Xie & Ying Wang & Jun Li & Jason Tam & Dan Ren & Jane Y. Howe & Ziyun Wang & Adnan Ozden & Y. Zou Finfrock & Yi Xu & Yuhang Li & Armin Sedighian Rasouli & Koe, 2021. "Gold-in-copper at low *CO coverage enables efficient electromethanation of CO2," Nature Communications, Nature, vol. 12(1), pages 1-7, December.
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