화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.61, 437-444, May, 2018
DOI10.1016/j.jiec.2017.12.043  Export Citation
A facile approach to improve the performance of alkaline anion exchange membrane fuel cells by reducing ionic resistance
Min Jeong Kim1, 2, Ok-Hee Kim3, Sungjun Kim1, 2, Young-Woo Choi4, Yong-Hun Cho5, †, and Yung-Eun Sung1, 2, †
  • 1Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul 151-747, South Korea
  • 2School of Chemical and Biological Engineering, Seoul National University, Seoul 151-747, South Korea
  • 3Department of Science, Republic of Korea Naval Academy, Jinhae-gu, Changwon 646-797, South Korea
  • 4Hydrogen and Fuel Cell Center for Industry, Academy and Laboratory, Korea Institute of Energy Research, 20-41, Haseo-myeon, Buan-gun, Jeollabuk-do, South Korea
  • 5Department of Chemical Engineering, Kangwon National University, Samcheok, Kangwon-do 245-711, South Korea
E-mail:,
In this study, by treating not only the membrane but also the whole membrane electrode assembly (MEA) with KOH solution prior to incorporation in alkaline anion exchange membrane fuel cells, an ionic pathway for hydroxide conduction has optimized in the catalyst layer. This lowers the ohmic resistance of the KOH-treated MEA as detected by the polarization curve and impedance spectroscopy analysis. The process has greater advantage for non-platinum group metal (PGM) catalysts than PGM catalysts, because of the lower active site density and consequent high loading required for non-PGM catalysts.
Keywords:Alkaline anion exchange membrane fuel;cells;Membrane electrode assembly;Ionic conductivity;Non-platinum group catalyst
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