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Selective and energy-efficient electrosynthesis of ethylene from CO2 by tuning the valence of Cu catalysts through aryl diazonium functionalization

Author

Listed:
  • Huali Wu

    (Université Montpellier, ENSCM, CNRS)

  • Lingqi Huang

    (The Chinese University of Hong Kong)

  • Janis Timoshenko

    (Fritz-Haber-Institute of the Max-Planck Society)

  • Kun Qi

    (Université Montpellier, ENSCM, CNRS)

  • Wensen Wang

    (Université Montpellier, ENSCM, CNRS)

  • Jiefeng Liu

    (Université Montpellier, ENSCM, CNRS)

  • Yang Zhang

    (Université Montpellier, ENSCM, CNRS)

  • Shaokang Yang

    (Jiangsu University)

  • Eddy Petit

    (Université Montpellier, ENSCM, CNRS)

  • Valérie Flaud

    (University of Montpellier, ENSCM, CNRS)

  • Ji Li

    (Shanxi University of Science and Technology)

  • Chrystelle Salameh

    (Université Montpellier, ENSCM, CNRS)

  • Philippe Miele

    (Université Montpellier, ENSCM, CNRS
    Institut Universitaire de France (IUF))

  • Luc Lajaunie

    (Universidad de Cádiz
    Instituto Universitario de Investigación de Microscopía Electrónica y Materiales (IMEYMAT), Facultad de Ciencias, Universidad de Cádiz)

  • Beatriz Roldán Cuenya

    (Fritz-Haber-Institute of the Max-Planck Society)

  • Dewei Rao

    (Jiangsu University)

  • Damien Voiry

    (Université Montpellier, ENSCM, CNRS)

Abstract

Although progress has been made in producing multi-carbon products from the electrochemical reduction of CO2, the modest selectivity for ethylene (C2H4) leads to low energy efficiency and high downstream separation costs. Here we functionalize Cu catalysts with a variety of substituted aryl diazonium salts to improve selectivity towards multi-carbon products. Using computation and operando spectroscopy, we find that Cu surface oxidation state (δ+ where 0

Suggested Citation

  • Huali Wu & Lingqi Huang & Janis Timoshenko & Kun Qi & Wensen Wang & Jiefeng Liu & Yang Zhang & Shaokang Yang & Eddy Petit & Valérie Flaud & Ji Li & Chrystelle Salameh & Philippe Miele & Luc Lajaunie &, 2024. "Selective and energy-efficient electrosynthesis of ethylene from CO2 by tuning the valence of Cu catalysts through aryl diazonium functionalization," Nature Energy, Nature, vol. 9(4), pages 422-433, April.
    • Handle: RePEc:nat:natene:v:9:y:2024:i:4:d:10.1038_s41560-024-01461-6
    DOI: 10.1038/s41560-024-01461-6
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