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A review of industrially developed components and operation conditions for anion exchange membrane water electrolysis

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Title
A review of industrially developed components and operation conditions for anion exchange membrane water electrolysis
Author(s)
Lim A.; Cho M.K.; Lee S.Y.; Kim H.-J.; Yoo S.J.; Yung-Eun Sung; Jang J.H.; Park H.S.
Publication Date
2017-12
Journal
Journal of Electrochemical Science and Technology, v.8, no.4, pp.265 - 273
Abstract
Solid-state alkaline water electrolysis is a promising method for producing hydrogen using renewable energy sources such as wind and solar power. Despite active investigations of component development for anion exchange membrane water electrolysis (AEMWE), understanding of the device performance remains insufficient for the commercialization of AEMWE. The study of assembled AEMWE devices is essential to validate the activity and stability of developed catalysts and electrolyte membranes, as well as the dependence of the performance on the device operating conditions. Herein, we review the development of catalysts and membranes reported by different AEMWE companies such as ACTA S.p.A. and Proton OnSite and device operating conditions that significantly affect the AEMWE performance. For example, CuCoO and LiCoO have been studied as oxygen evolution catalysts by Acta S.p.A and Proton OnSite, respectively. Anionx exchange membranes based on polyethylene and polysulfone are also investigated for use as electrolyte membranes in2 AEMWE devices. In addition, operation factors, including temperature, electrolyte concentration and acidity, and solution feed methods, are reviewed in terms of their influence on the AEMWE performance. The reaction rate of water splitting generally increases with increase in operating temperature because of the facilitated kinetics and higher ion conductivity. The effect of solution feeding configuration on the AEMWE performance is explained, with a brief discussion on current AEMWE performance and device durability. © 2017, Korean Electrochemical Society. All rights reserved
URI
http://pr.ibs.re.kr/handle/8788114/4754
DOI
10.5229/JECST.2017.8.4.265
ISSN
2093-8551
Appears in Collections:
Center for Nanoparticle Research(나노입자 연구단) > Journal Papers (저널논문)
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