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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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CO/H_2燃料气的质子交换膜燃料电池性能研究
, PP. 238-243
Keywords: 质子交换膜燃料电池,CO中毒,Pt/C,PtRu/C
Abstract:
质子交换膜燃料电池的燃料气多来自于重整气,而重整气中所含的CO对电催化剂有毒化作用,使电池性能大幅度衰减.本文就CO对燃料电池的性能影响作了系统的实验研究,结果证明:随CO通入时间的延长,电池性能剧烈衰减,然后趋于稳定,但仍有振荡;同时CO浓度越高,中毒现象越严重;温度升高,CO的毒化作用减轻;CO在催化剂表面的吸附是可逆的;PtRu/C较Pt/C的抗CO中毒能力强.本文所制的PtRu/C催化剂的抗CO性能已与商品催化剂接近
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