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Korean Journal of Chemical Engineering,
Vol.23, No.4, 570-575, 2006
Vol.23, No.4, 570-575, 2006
Optimum condition of membrane electrode assembly fabrication for PEM fuel cells
The aim of this research was to study the effect of fabrication factors on the performance of MEA of a PEM fuel cell. The MEA was prepared by using 5 cm2 of porous electrodes with Pt loading 1 mg/cm2 and Nafion 115 membrane from Electrochem Co. Ltd. The studied factors were temperature, pressure and time of compression in the range of 130-150 °C, 50-100 kg/cm2 and 1-5 minutes, respectively. A 2k factorial design was conducted in this study. The results showed that interaction between pressure and temperature and interaction between temperature and time of compression have significant effects on the performance of the MEA. With low pressure, but high temperature and long compression time, current density is increased. The results showed that the optimum condition was 65 kg/cm2, 137 °C and 5.5 min of compression time. It was also found that the force of 69 kg-cm for assembling the single cell gave the best performance.
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참고문헌정보(참고문헌, 인용문헌)는 화학공학소재연구정보센터에 의해 제공되고 있습니다.