Transactions of the Korean Society of Automotive Engineers (한국자동차공학회논문집)

The Korean Society of Automotive Engineers (한국자동차공학회)
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Prediction of Fuel Cell Performance and Water Content in the Membrane of a Proton Exchange Membrane Fuel Cell

고분자 전해질 연료전지의 전해질 막내의 함수율과 성능 예측

  • 양장식 (부산대학교 기계기술연구소) ;
  • 최경민 (부산대학교 기계공학부 기계기술연구소) ;
  • 김덕줄 (부산대학교 기계공학부 기계기술연구소)
  • Published : 2006.11.01
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Abstract

A one-dimensional numerical analysis is carried out to investigate the effects of inlet gas humidities, inlet gas pressures, and thicknesses of membrane on the performance of a proton exchange membrane fuel cell. It is found that the relative humidity of inlet gases at anode and cathode sides has a significant effect on the fuel cell performance. Especially, the desirable fuel cell performance occurs at low relative humidity of the cathode side and at high humidity of the anode side. In addition, an increase in the pressure ranging from 1 atm to 4 atm at the cathode side results in a significant improvement in the fuel cell performance due to the convection effect by a pressure gradient toward the anode side, and with decreasing the thickness of membrane, the fuel cell performance is enhanced reasonably.

Keywords

References

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