Electrochemical Analysis of Direct Methanol Fuel Cells for Low Temperature Operation

被引：0
|
作者：
Baglio, V. [1 ]
Di Blasi, A. [1 ]
Modica, E. [1 ]
Creti, P. [1 ]
Antonucci, V. [1 ]
Arico, A. S. [1 ]
机构：
[1] CNR ITAE, I-98126 Messina, Italy
来源：
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2006年 / 1卷 / 02期
关键词：
Direct Methanol Fuel Cells; Pt loading; Low temperature; Portable application;
D O I：
暂无
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
The electrochemical behaviour of Direct Methanol Fuel Cells (DMFCs) was investigated at low temperatures (30 degrees C-60 degrees C). An 85 wt% Pt-Ru (1:1 a/o)/C anode catalyst and a 60 wt% Pt/C cathode catalyst were in-house prepared and characterised. The influence of noble metal loading on the performance of a DMFC based on these catalysts was studied by steady-state polarisation measurements. The DMFC maximum power density increased linearly from 30 to 75 mW.cm(-2) at 60 degrees C passing from 1 to 5 mg.cm(-2) Pt loading in both electrodes. By further increasing the Pt loading at 10 mg.cm(-2) only a slight increase of power density was recorded (81 mW.cm(-2)).
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页码：71 / 79
页数：9
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