Transactions of the Korean hydrogen and new energy society (한국수소및신에너지학회논문집)

The Korean Hydrogen and New Energy Society (한국수소및신에너지학회)
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Preparation and Characterization of the Polymeric Antioxidant for Improving the Chemical Durability of Polymer Electrolyte Membranes

고분자 전해질 막의 화학적 내구성 향상을 위한 고분자형 산화방지제 제조 및 특성 분석

  • LEE, BYEOL-NIM (Fuel Cell Laboratory, Korea Institute of Energy Research) ;
  • KODIR, ABDUL (Fuel Cell Laboratory, Korea Institute of Energy Research) ;
  • LEE, HYEJIN (Fuel Cell Laboratory, Korea Institute of Energy Research) ;
  • SHIN, DONGWON (Fuel Cell Laboratory, Korea Institute of Energy Research) ;
  • BAE, BYUNGCHAN (Fuel Cell Laboratory, Korea Institute of Energy Research)
  • 이별님 (한국에너지기술연구원 연료전지연구실) ;
  • ;
  • 이혜진 (한국에너지기술연구원 연료전지연구실) ;
  • 신동원 (한국에너지기술연구원 연료전지연구실) ;
  • 배병찬 (한국에너지기술연구원 연료전지연구실)
  • Received : 2021.08.05
  • Accepted : 2021.10.11
  • Published : 2021.10.30
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Abstract

Chemical durability issue in polymer electrolyte membranes has been a challenge for the commercialization of polymer electrolyte membrane fuel cells (PEMFCs). In this study, we proposed a manufacturing method of Nafion composite membrane containing a stable polyimide antioxidant to improve the chemical durability of the membrane. The thermal casting of the Nafion solution with poly (amic acid) induced polyimide reaction. We evaluated proton conductivity, oxidative stability with ex-situ Fenton's test, and fluoride ion emission to analyze the effect of polyimide antioxidants. We confirmed that incorporating the polyimide antioxidant improves the chemical durability of the Nafion membrane while maintaining inherent proton conductivity.

Keywords

Acknowledgement

본 연구(논문)은 2021년 한국에너지기술평가원 에너지기술개발사업 (20193010032480)의 지원을 받아 수행되었습니다.

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