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操作条件对质子交换膜燃料电池性能的影响

Dong-sen GENG,Rui-juan YUE,Pei-jin LI

JOURNAL OF BEIJING UNIVERSITY OF CHEMICAL TECHNOLOGY(NATURAL SCIENCE EDITION)（2005）

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Abstract
通过测量电池的电流-电压、电流密度-功率和电流密度-时间曲线,研究了温度、压力和尾气排放速度对质子交换膜燃料电池(PEMFC)性能的影响,得出了电池较佳的工作条件.实验结果表明:氢气和氧气的较佳工作压力分别为0.03MPa和0.3MPa;在该压力下,电池工作温度为60℃时,电池的最大功率密度可达0.44W/cm2;当尾气排放速度为20 mL/min时,电池能够高效、稳定的运行.
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Key words
membrane,proton,operational parameters,fuel
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