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

  • 제29권5호
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  • Pages.442-449
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  • 2018
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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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고온 고분자전해질 연료전지 박판형 분리판의 유로 설계 및 스택 성능 평가

Flow Field Design and Stack Performance Evaluation of the Thin Plate Separator for High Temperature Polymer Electrolyte Membrane Fuel Cell

  • 김지홍 (한국에너지기술연구원 연료전지연구실) ;
  • 김민진 (한국에너지기술연구원 연료전지연구실) ;
  • 김진수 (일도에프엔씨(주))
  • KIM, JI-HONG (Fuel Cell Research Center, Korea Institute of Energy Research) ;
  • KIM, MINJIN (Fuel Cell Research Center, Korea Institute of Energy Research) ;
  • KIM, JINSOO (ILDO F&C CO., LTD)
  • 투고 : 2018.08.07
  • 심사 : 2018.10.30
  • 발행 : 2018.10.30
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초록

Research on High temperature polymer electrolyte fuel cell (HT-PEMFC) has actively been conducted all over the world. Since the HT-PEMFC can be operated at a high temperature of $120-180^{\circ}C$ using phosphoric acid-doped polybenzimidazole (PBI) electrolyte membrane, it has considerable advantages over conventional PEMFC in terms of operating conditions and system efficiency. However, If the thermal distribution is not uniform in the stack unit, degradation due to local reaction and deterioration of lifetime are difficult to prevent. The thin plate separator reduces the volume of the fuel cell stack and improves heat transfer, consequently, enhancing the cooling effect. In this paper, a large area flow field of thin plate separator for HT-PEMFC is designed and sub-stack is fabricated. We have studied stack performance evaluation under various operating conditions and it has been verified that the proposed design can achieve acceptable stack performance at a wide operating range.

키워드

참고문헌

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