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

  • 제33권4호
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  • Pages.372-382
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  • 2022
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  • 1738-7264(pISSN)
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  • 2288-7407(eISSN)
한국수소및신에너지학회 (The Korean Hydrogen and New Energy Society)
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음이온교환막용 헤테로고리형 4차 암모늄 작용기를 갖는 폴리(아릴렌 이써)의 제조 및 특성 분석

Preparation and Characterization of Poly(Arylene Ether) Having Heterocyclic Quaternary Ammonium Functional Groups for Anion Exchange Membranes

  • 이상혁 (전북대학교 대학원 에너지저장.변환공학과(BK21 FOUR), 수소.연료전지연구센터) ;
  • 유동진 (전북대학교 대학원 에너지저장.변환공학과(BK21 FOUR), 수소.연료전지연구센터)
  • LEE, SANG HYEOK (Department of Energy Storage Conversion Engineering (BK21 FOUR) of Graduate School, Hydrogen and Fuel Cell Research Center, Jeonbuk National University) ;
  • YOO, DONG JIN (Department of Energy Storage Conversion Engineering (BK21 FOUR) of Graduate School, Hydrogen and Fuel Cell Research Center, Jeonbuk National University)
  • 투고 : 2022.08.10
  • 심사 : 2022.08.22
  • 발행 : 2022.08.30
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초록

In this study, anion exchange membranes were prepared by synthesizing the main chain into a poly(arylene ether) (PAE) structure, and the structures capable of improving the physical and chemical stability of the membrane by introducing a heterocyclic quaternary ammonium functional groups were studied. The chemical structure and thermal properties of the prepared polymer were confirmed by 1H-NMR, FT-IR, TGA, and DSC, and surface analysis was performed through AFM measurement. Additionally, dimensional stability and chemical properties was studied by measuring water uptake and swelling ratio, IEC and ionic conductivity. At 90℃, the quaternized poly(arylene ether) (QPAE)/1-methylpiperidine (MP) membrane exhibited the highest ionic conductivity of 27.2 mS cm-1, while the QPAE/1-methylimidazole (MI) membrane and QPAE/1-methylmorpholine (MM) membrane exhibited values of 14.5 mS cm-1 and 11.5 mS cm-1, respectively. In addition, the prepared anion exchange membrane exhibited high chemical stability in alkaline solution.

키워드

과제정보

이 성과는 2020년도 정부(과학기술정보통신부)의 재원으로 한국연구재단의 지원을 받아 수행된 연구입니다(No. 2020R1A2B5B01001458).

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