A solid-polymer electrolyte direct methanol fuel cell with a methanol-tolerant cathode and its mathematical modelling

被引：10
|
作者：
Raman, RK
Murgia, G
Shukla, AK [1 ]
机构：
[1] Indian Inst Sci, Solid State & Struct Chem Unit, Bangalore 560012, Karnataka, India
[2] POLARIS, I-09010 Cagliari, Italy
来源：
JOURNAL OF APPLIED ELECTROCHEMISTRY | 2004年 / 34卷 / 10期
关键词：
solid-polymer electrolyte direct methanol fuel cells; methanol-tolerant cathode; numerical modelling;
D O I：
10.1023/B:JACH.0000042674.78355.6c
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Solid-polymer electrolyte direct methanol fuel cells (SPE-DMFCs) employing carbon-supported Pt-Fe as oxygen-reduction catalyst to mitigate the effect of methanol on cathode performance while operating with oxygen or air have been assembled. These SPE-DMFCs provided maximum power densities of 250 and 120 mW cm(-2) at 85 degreesC on operating with oxygen and air, respectively. The polarization data for the SPE-DMFCs and their constituent electrodes have also been derived numerically employing a model based on phenomenological transport equations for the catalyst layer, diffusion layer and the membrane electrolyte.
引用
收藏
页码：1029 / 1038
页数：10
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