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Three-dimensional porous hollow fibre copper electrodes for efficient and high-rate electrochemical carbon dioxide reduction

Author

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  • Recep Kas

    (PhotoCatalytic Synthesis Group, Faculty of Science and Technology, MESA+ Institute for Nanotechnology, University of Twente)

  • Khalid Khazzal Hummadi

    (PhotoCatalytic Synthesis Group, Faculty of Science and Technology, MESA+ Institute for Nanotechnology, University of Twente
    College of Engineering, University of Baghdad)

  • Ruud Kortlever

    (Leiden Institute of Chemistry, Leiden University)

  • Patrick de Wit

    (Inorganic Membranes Group, Faculty of Science and Technology, MESA+ Institute for Nanotechnology, University of Twente)

  • Alexander Milbrat

    (PhotoCatalytic Synthesis Group, Faculty of Science and Technology, MESA+ Institute for Nanotechnology, University of Twente
    Molecular Nanofabrication Group, Faculty of Science and Technology, MESA+ Institute for Nanotechnology, University of Twente)

  • Mieke W. J. Luiten-Olieman

    (Inorganic Membranes Group, Faculty of Science and Technology, MESA+ Institute for Nanotechnology, University of Twente)

  • Nieck E. Benes

    (Inorganic Membranes Group, Faculty of Science and Technology, MESA+ Institute for Nanotechnology, University of Twente)

  • Marc T. M. Koper

    (Leiden Institute of Chemistry, Leiden University)

  • Guido Mul

    (PhotoCatalytic Synthesis Group, Faculty of Science and Technology, MESA+ Institute for Nanotechnology, University of Twente)

Abstract

Aqueous-phase electrochemical reduction of carbon dioxide requires an active, earth-abundant electrocatalyst, as well as highly efficient mass transport. Here we report the design of a porous hollow fibre copper electrode with a compact three-dimensional geometry, which provides a large area, three-phase boundary for gas–liquid reactions. The performance of the copper electrode is significantly enhanced; at overpotentials between 200 and 400 mV, faradaic efficiencies for carbon dioxide reduction up to 85% are obtained. Moreover, the carbon monoxide formation rate is at least one order of magnitude larger when compared with state-of-the-art nanocrystalline copper electrodes. Copper hollow fibre electrodes can be prepared via a facile method that is compatible with existing large-scale production processes. The results of this study may inspire the development of new types of microtubular electrodes for electrochemical processes in which at least one gas-phase reactant is involved, such as in fuel cell technology.

Suggested Citation

  • Recep Kas & Khalid Khazzal Hummadi & Ruud Kortlever & Patrick de Wit & Alexander Milbrat & Mieke W. J. Luiten-Olieman & Nieck E. Benes & Marc T. M. Koper & Guido Mul, 2016. "Three-dimensional porous hollow fibre copper electrodes for efficient and high-rate electrochemical carbon dioxide reduction," Nature Communications, Nature, vol. 7(1), pages 1-7, April.
    • Handle: RePEc:nat:natcom:v:7:y:2016:i:1:d:10.1038_ncomms10748
    DOI: 10.1038/ncomms10748
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    Cited by:

    1. Shoujie Li & Wei Chen & Xiao Dong & Chang Zhu & Aohui Chen & Yanfang Song & Guihua Li & Wei Wei & Yuhan Sun, 2022. "Hierarchical micro/nanostructured silver hollow fiber boosts electroreduction of carbon dioxide," Nature Communications, Nature, vol. 13(1), pages 1-9, December.

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