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

The Korean Hydrogen and New Energy Society (한국수소및신에너지학회)
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The Development of Cylinder Shaped Air-breathing PEMFC

원통형 자연대류 방식 PEMFC 개발

  • Lee, Kang-In (School of Mechanical and Aerospace Engineering, Seoul National Univ.) ;
  • Lee, Se-Won (School of Mechanical and Aerospace Engineering, Seoul National Univ.) ;
  • Park, Min-Soo (Division of Mechanical and Automotive Engineering, Wonkwang Univ.) ;
  • Chu, Chong-Nam (School of Mechanical and Aerospace Engineering, Seoul National Univ.)
  • 이강인 (서울대학교 기계항공공학부 대학원) ;
  • 이세원 (서울대학교 기계항공공학부 대학원) ;
  • 박민수 (원광대학교 기계자동차공학부) ;
  • 주종남 (서울대학교 기계항공공학부 대학원)
  • Published : 2009.04.30
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Abstract

Cylinder shaped air-breathing PEMFC has been developed to have small volume, low contact resistance and better air accessibility to the open cathode. This cylinder shaped design consists of an anode cylinder with helical flow channel and a cathode current collector with slits. The pressure distribution measurement according to the shapes was performed. The test result indicated that cylinder shaped fuel cell has better pressure distribution compared with the planar shaped fuel cell. The better pressure distribution was connected to the higher performance. The maximum power density of cylinder shaped fuel cell was about 20% higher than the planar shaped fuel cell. The maximum power density of the developed cylinder shaped air-breathing PEMFC with dry hydrogen was $220\;mW/cm^2$ and with humidified hydrogen was $293\;mW/cm^2$.

Keywords

References

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