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High-performance anion-exchange membrane water electrolysis

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Title
High-performance anion-exchange membrane water electrolysis
Author(s)
Ji Eun Park; Kang S.Y.; Oh S.-H.; Kim J.K.; Lim M.S.; Chi-Yeong Ahn; Cho Y.-H.; Yung-Eun Sung
Publication Date
2019-02
Journal
ELECTROCHIMICA ACTA, v.295, no., pp.99 - 106
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Abstract
In this study, we developed high-performance anion-exchange membrane water electrolysis (AEMWE) by investigating various parameters. To enhance AEMWE performance, the effects of the membrane-electrode assembly (MEA) fabrication method, operating conditions, and MEA parameters were examined. As a result of the optimization and the use of FAA-3-50 and FAA-3-Br as the AEM and anion-exchange ionomer, respectively, AEMWE showed the highest performance reported thus far. Single-cell tests and electrochemical impedance spectroscopy results indicate that optimized AEMWE minimized the ohmic, charge-transfer, and mass transport resistances. Overall, by examining the AEMWE parameters, we were able to improve the electrochemical reactions, namely, the oxygen evolution reaction and hydrogen evolution reaction, and achieved outstanding performance. C. 2018 Elsevier Lt
URI
https://pr.ibs.re.kr/handle/8788114/6607
ISSN
0013-4686
Appears in Collections:
Center for Nanoparticle Research(나노입자 연구단) > Journal Papers (저널논문)
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