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Understanding entropic barriers

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The activation barriers of interfacial energy conversion reactions are key to controlling the efficiency of electrolysers. Work on the structural dynamics of water during charge transfer at electrified solid/liquid interfaces now brings greater understanding of the components of the activation barriers for water dissociation and hydrogen evolution.

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Fig. 1: Compensation effect as a limiting factor for water dissociation and for electrocatalytic reactions in an electrolyser with a bipolar membrane.

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Authors and Affiliations

  1. Max Planck Institute for Chemical Energy Conversion, Mülheim an der Ruhr, Germany

    Aleksandar R. Zeradjanin

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  1. Aleksandar R. Zeradjanin
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Correspondence to Aleksandar R. Zeradjanin.

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Zeradjanin, A.R. Understanding entropic barriers. Nat Energy (2024). https://doi.org/10.1038/s41560-024-01502-0

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  • DOI: https://doi.org/10.1038/s41560-024-01502-0

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