Water Electrolysis Facing the Gigawatt Challenge—Comprehensive De-Risking of Proton Exchange Membrane and Anion Exchange Membrane Electrolyser Technology

IF 4.1 Q2 ELECTROCHEMISTRY
André Karl, Eva Jodat, Hans Kungl, Ladislaus Dobrenizki, Günter Schmid, Peter Geskes, Rüdiger-A. Eichel
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Abstract

Green Hydrogen (H2) is generally considered to play a key role in enabling sustainable energy storage, as well as a renewable feedstock to various industrial sectors. Accordingly, the production of H2 by water electrolysis at an industrial scale is a key prerequisite for a transformation of our energy system. With respect to water electrolysis, proton exchange membrane (PEM) electrolysers are generally considered a technology option for the production of green H2 on a large scale. Prior to market ramp-up PEM electrolysers have to undergo substantial de-risking for a technology ramp-up. For a comprehensive de-risking, a fundamental and holistic understanding of the degradation phenomena of electrolysers on an industrially relevant scale is a prerequisite. Field data with different application-specific load profiles needs to be acquired in order to develop countermeasures against possible degradation patterns induced by the operational mode. This is not only crucial for the more mature PEM technology but also in the future relevant for other more novel membrane electrolysis technologies such as anion exchange membrane (AEM) looking to make the step from laboratory operation to large-scale production and deployment. This editorial aims to outline the current status and general workflow of the de-risking process and serve as an introduction to the topics of this special issue ranging from fundamental studies on degradation processes on the catalyst level up to novel factory concepts for ramping up of electrolyser production.

Abstract Image

面临千兆瓦挑战的水电解——质子交换膜和阴离子交换膜电解技术的综合降低风险
绿色氢(H2)通常被认为在实现可持续能源储存方面发挥着关键作用,也是各种工业部门的可再生原料。因此,在工业规模上通过水电解生产H2是我们能源系统转型的关键先决条件。就水电解而言,质子交换膜(PEM)电解槽通常被认为是大规模生产绿色H2的技术选择。在市场发展之前,PEM电解槽必须经历大量的技术发展风险降低。为了全面降低风险,在工业相关规模上对电解槽降解现象有一个基本和全面的了解是先决条件。需要获取具有不同应用程序特定负载概况的现场数据,以便针对操作模式可能引起的退化模式制定对策。这不仅对更成熟的PEM技术至关重要,而且对未来其他更新颖的膜电解技术(如阴离子交换膜(AEM))也至关重要,这些技术希望从实验室操作到大规模生产和部署。这篇社论旨在概述降低风险过程的现状和一般工作流程,并作为本特刊主题的介绍,从催化剂水平上的降解过程的基础研究到提高电解槽生产的新工厂概念。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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CiteScore
3.80
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10 weeks
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