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라디칼에 대한 내화학성이 향상된 과불소계 술폰산 이오노머 막

Perfluorinated sulfonic acid ionomer membranes with enhanced chemical resistance to radicals

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  • URLhttps://db.koreascholar.com/Article/Detail/360920
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한국막학회 (The Membrane Society Of Korea)
초록

Perfluorinated sulfonic acid (PFSA) ionomers have been commonly used as representative polymer electrolyte membrane (PEM) materials for fuel cell electric vehicles owing to their fast proton transport and excellent chemical resistance. However, PFSA materials still have weakness associated with chemical degradation occurring as a result from radical attacks, which induce membrane thickness reduction, leading to hydrogen crossover, and/or reduced electrochemical performances. In this study, cerium derivative radical scavengers were designed as functional additives to enhance the chemical durability of PFSA PEM. Their optimum content was suggested, comprehensively considering their radical resistance as well as other fundamental characteristics associated with long-term durability and electrochemical performance.

저자
  • 방준호(단국대학교 에너지공학과) | Jun Ho Bang
  • 안주희(단국대학교 에너지공학과) | Juhee Ahn
  • 임윤재(단국대학교 에너지공학과) | Yoon Jae Lim
  • 이창현(단국대학교 에너지공학과) | Chang Hyun Lee