화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Applied Chemistry for Engineering, Vol.22, No.2, 125-132, April, 2011
Export Citation
일체형 재생 연료전지(URFC)용 고분자 전해질 막의 이해
Understanding of Polymer Electrolyte Membrane for a Unitized Regenerative Fuel Cell (URFC)
정호영†
  • 강원대학교 삼척캠퍼스 화학공학과
Ho Young Jung†
  • Department of Chemical Engineering, Kangwon National University, Kangwon-do 245-711, Korea
E-mail:
초록
본 연구에서는 차세대 연료전지 기술로서 일체형 재생 연료전지(Unitized Regenerative Fuel Cell, URFC)에 대하여 검토하였다. URFC는 신재생 에너지원과 연료전지의 하이브리드 시스템 구현을 목적으로 하는 필수 기술이며 21세기 수소 경제 사회 완성을 위한 신기술로 평가된다. 특히 본 연구에서는 URFC 요소 기술로서 고분자 전해질 막에 대한 연구 결과를 정리하여 URFC 기술의 이해를 돕고자 하는 것이 목적이다. URFC용 고분자 전해질 막은 기능적 특성상 높은 수소이온 전도도, 치수안정성, 기계적 물성 및 계면 안정성이 요구된다. 이를 바탕으로 미래 에너지원인 수소의 생산, 저장, 이용을 일체화된 시스템으로 완성시킬 수 있는 URFC 기술은 향후 연료전지 기술과 더불어 풍력과 태양광 발전 등의 신재생 에너지 관련 기술을 함께 발전시킬 수 있는 새로운 연구 분야가 될 것으로 판단된다.
A unitized regenerative fuel cell (URFC) as a next-generation fuel cell technology was considered in the study. URFC is a mandatory technology for the completion of the hybrid system with the fuel cell and the renewable energy sources, and it can be expected as a new technology for the realization of hydrogen economy society in the 21st century. Specifically, the recent research data and results concerning the polymer electrolyte membrane for the URFC technology were summarized in the study. The prime requirements of polymer electrolyte membrane for the URFC applications are high proton conductivity, dimensional stability, mechanical strength, and interfacial stability with the electrode binder. Based on the performance of the polymer electrolyte membrane, the URFC technology combining the systems for the production, storage, utilization of hydrogen can be a new research area in the development of an advanced technology concerning with renewable energy such as fuel cell, solar cell, and wind power.
Keywords:Nafion;polymer electrolyte membrane (PEM);fuel cell;electrolyzer;unitized regenerative fuel cell (URFC)
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