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High-performance and durable water electrolysis using a highly conductive and stable anion-exchange membrane

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Title
High-performance and durable water electrolysis using a highly conductive and stable anion-exchange membrane
Author(s)
Sun Young Kang; Park, Ji Eun; Jang, Ga Young; Kim, Ok-Hee; Kwon, Oh Joong; Yong-Hun Cho; Yung-Eun Sung
Publication Date
2022-02
Journal
International Journal of Hydrogen Energy, v.47, no.15, pp.9115 - 9126
Publisher
Elsevier Ltd
Abstract
© 2022 Hydrogen Energy Publications LLCThe commercialization of anion-exchange membrane water electrolysis (AEMWE) is crucial to produce low-cost and high-purity hydrogen. However, water electrolysis with an anion-exchange membrane (AEM) has limitations such as its low ionic conductivity and stability, leading to low performance and durability of AEMWE. In this study, we developed high-performance and stable AEMWE employing an AEM without aryl-ether backbone structure. To achieve high-performance and durable AEMWE, the effect of various parameters that is suitable for the adapted AEM was investigated. As a result, the AEM adapted in this work performed much better and was more durable than the conventional AEM (FAA-3). Moreover, it exhibited high efficiency under pure water feeding conditions. These results were attributed to high-efficient and durable AEM caused by its absence of aryl-ether backbone. This work suggests the potential use of polyphenylene structure as aryl-ether free backbone of AEM on AEMWE operated using alkaline solution and/or pure water.
URI
https://pr.ibs.re.kr/handle/8788114/12061
DOI
10.1016/j.ijhydene.2022.01.002
ISSN
0360-3199
Appears in Collections:
Center for Nanoparticle Research(나노입자 연구단) > 1. Journal Papers (저널논문)
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