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

The Korean Hydrogen and New Energy Society (한국수소및신에너지학회)
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Performance of Fuel Cell with PEMFC Fabricated under Different Pressure

고분자 전해질 연료전지 성능에 미치는 MEA 가압제조 공정 조건의 영향

  • Lee, Ki-Seong (Department of Materials science and Engineering, Hongik University) ;
  • Sim, Sooman (Department of Materials science and Engineering, Hongik University) ;
  • Kim, Dongmin (Department of Materials science and Engineering, Hongik University)
  • 이기성 (홍익대학교 재료공학부) ;
  • 심수만 (홍익대학교 재료공학부) ;
  • 김동민 (홍익대학교 재료공학부)
  • Received : 2013.01.29
  • Accepted : 2013.02.28
  • Published : 2013.02.28
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Abstract

It has fabricated membrane electrode assemblies (MEA) for proton exchange membrane fuel cell by hot-pressing method. The hot-pressing was used for the fabrication of MEA which is composed of commercial platinum electrode on carbon paper. The performance of MEA was studied with different fabrication conditions of temperature, pressure and torque. As the temperature increased, the performance of MEA was increased. and started to decrease l after arrived at the maximum performance of MEA. This is related with good contact between electrode and polymer electrolyte membrane at high temperature and microstructural change at much higher temperature. Similarly, as the pressure increased, the performance of the MEA increased up to highest values and start to decrease. According to the our results, the maximal performance of the MEA was at the temperature of $140^{\circ}C$ and the pressure of $1.5{\times}10^3$ kPa. The optimal torque to assemble the single stack was 3.2 N m.

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References

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