Journal of Hydrogen and New Energy (한국수소및신에너지학회논문집)

The Korean Hydrogen and New Energy Society (한국수소및신에너지학회)
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Study on Anion Exchange Membrane for the Alkaline Electrolysis

알칼리 수전해용 음이온교환막에 관한 연구

  • Choi, Ho-Sang (Dep. Chemical Engineering, Kyungil University) ;
  • Rhyu, Chul-Hwe (Grad. School, Dep.Grenn Energy, Hoseo Univ.) ;
  • Lee, Sung-Un (Grad. School, Dep.Grenn Energy, Hoseo Univ.) ;
  • Byun, Chang-Sub (National Center for Nanomaterials Technology, Pohang University of Science and Technology) ;
  • Hwang, Gab-Jin (Grad. School, Dep.Grenn Energy, Hoseo Univ.)
  • 최호상 (경일대학교 화학공학과) ;
  • 유철휘 (호서대학교 일반대학원 그린에너지공학과) ;
  • 이성운 (호서대학교 일반대학원 그린에너지공학과) ;
  • 변창섭 (포항공과대학교 나노기술집적센터) ;
  • 황갑진 (호서대학교 일반대학원 그린에너지공학과)
  • Received : 2011.03.28
  • Accepted : 2011.04.22
  • Published : 2011.04.30
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Abstract

The membrane properties (membrane resistance and ion exchange capacity) of the five types of commercial anion exchange membrane, i.e. IOMAC, AHT, APS, AHA, AFN, were evaluated for the application in the alkaline electrolysis. The membrane resistance decreased in the order; in 1M KOH: AHT>IOMAC>AHA>AFN>APS; in 1M NaOH: AHT>IOMAC>AHA>APS>AFN. The ion exchange capacity decreased in the order: AFN>APS>AHT>AHA>IOMAC. The membrane life was determined from the change of membrane resistance in 1M KOH and NaOH with an increase of soaking time in 20 wt% KOH and 30 wt% NaOH solution. AHA membrane had a good membrane life in 20 wt% NaOH with its unchanged membrane resistance. And, AFN and AHA membrane had a good membrane life in 30 wt% NaOH with its unchanged membrane resistance.

Keywords

References

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