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Synthesis and Investigation of Electrode–Diaphragm Assemblies for Alkaline Water Electrolysis

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Abstract

Reduced energy consumption is one of the main requirements for application of water electrolyzers with alkaline electrolyte for small-scale power industry. The energy consumption can be reduced, among other things, by changing the assembling of electrodes and diaphragm material. The phase inversion method, which is used for fabricating the polymer-based porous diaphragms for alkaline water electrolyzers, enabled us to develop an electrode–diaphragm assembly in which the electrodes with the catalytic layers and the diaphragm material comprise a single unit. The electrolysis cells with the electrode–diaphragm assemblies of various compositions and the cells of conventional “zero-gap” design are studied.

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Funding

The research was carried out within the framework of the grant of the Russian National Research Foundation “Conducting fundamental scientific research and exploratory scientific research by small individual scientific groups,” project no. 22-29-01429 “Alkaline water electrolyzer based on anion exchange membranes,” 2022–2023.

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Authors and Affiliations

  1. National Research University “Moscow Power Engineering Institute”, Moscow, Russia

    V. N. Kuleshov, N. V. Kuleshov, S. V. Kurochkin & O. Yu. Grigor’eva

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  1. V. N. Kuleshov
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  2. N. V. Kuleshov
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  3. S. V. Kurochkin
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  4. O. Yu. Grigor’eva
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Correspondence to V. N. Kuleshov or O. Yu. Grigor’eva.

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The authors declare that they have no conflicts of interests.

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Translated by T. Kabanova

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Kuleshov, V.N., Kuleshov, N.V., Kurochkin, S.V. et al. Synthesis and Investigation of Electrode–Diaphragm Assemblies for Alkaline Water Electrolysis. Russ J Electrochem 58, 464–470 (2022). https://doi.org/10.1134/S1023193522060052

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  • DOI: https://doi.org/10.1134/S1023193522060052

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