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

页码：1029 / 1038

页数：10

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