Branched/crosslinked sulfonated polyimide membranes for polymer electrolyte fuel cells

被引：90
|
作者：
Yin, Y [1 ]
Hayashi, S [1 ]
Yamada, O [1 ]
Kita, H [1 ]
Okamoto, K [1 ]
机构：
[1] Yamaguchi Univ, Fac Engn, Dept Adv Mat Sci & Engn, Ube, Yamaguchi 7558611, Japan
来源：
MACROMOLECULAR RAPID COMMUNICATIONS | 2005年 / 26卷 / 09期
关键词：
fuel cell performance; membranes; polyimides; proton conductivity; water uptake;
D O I：
10.1002/marc.200500014
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Branched/crosslinked sulfonated polyimide membranes incorporating superior mechanical properties, high proton conductivity, and excellent fuel cell performance were successfully developed. The resulting polymer electrolytes displayed conductivity values of about 0.2 S (.) cm(-1) at 120 degrees C and 100% relative humidity. In a single H-2/O-2 fuel cell system at 90 degrees C, they exhibited reasonably high fuel cell performances comparable to that of Nafion 112.
引用
收藏
页码：696 / 700
页数：5
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