한국정밀공학회:학술대회논문집 (Proceedings of the Korean Society of Precision Engineering Conference)

한국정밀공학회 (Korean Society for Precision Engineering)
권호 표지

PEM 연료전지 분리판용 흑연입자 복합재의 성형성 평가

Moldability of graphite composite bipolar plate for PEM fuel cell

  • 이희섭 (서울대 대학원 기계항공공학부) ;
  • 김성근 (서울대 대학원 기계항공공학부) ;
  • 김형중 (서울대 대학원 기계항공공학부) ;
  • 안성훈 (서울대 기계항공공학부)
  • Lee H.S. (School of Mechanical & Aerospace Engineering, SNU) ;
  • Kim S.G. (School of Mechanical & Aerospace Engineering, SNU) ;
  • Kim H.S. (School of Mechanical & Aerospace Engineering, SNU) ;
  • Ahn S.H. (School of Mechanical & Aerospace Engineering, SNU)
  • 발행 : 2006.05.01
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초록

The bipolar plate is a major component of the PEM fuel cell stack, which takes a large portion of stack cost. In this study, as alternative materials fur bipolar plate of PEM fuel cells, graphite composites were fabricated by compression molding. Graphite particles mixed with epoxy resin were used as the main substance to provide electric conductivity. Flow channels were fabricated by compression molding, and design of experiments (DOE) was applied to the tests to evaluate moldability. Results showed that land width and channel depth were two significant factors for moldability, and channel width had little influence on the moldability.

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