Performance of dimethyl ether fuel cells using a Pt-Ru catalyst

被引：13

作者：

Haraguchi, T ^{[1
]}

Tsutsumi, Y ^{[1
]}

Takagi, H ^{[1
]}

Tamegai, N ^{[1
]}

Yamashita, S ^{[1
]}

机构：

[1] Ibaraki Univ, Ibaraki, Japan

来源：

ELECTRICAL ENGINEERING IN JAPAN | 2005年 / 150卷 / 03期

关键词：

fuel cell; DME; methanol; polymer; electrolyte; direct; Pt-Ru catalyst;

D O I：

10.1002/eej.20072

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Phenomena are presented whereby the performance of a dimethyl ether fuel cell (DDFC) at 80 degreesC is much lower when a Pt-Ru catalyst is used on the anode than when a Pt catalyst is used, in contrast to the higher performance achieved using a Pt-Ru catalyst over a Pt catalyst in direct methanol fuel cells (DMFC). The DDFC performance achieved using a Pt-RU catalyst increases with temperature and exceeds that using a Pt catalyst at temperatures over 100 degreesC. After high-temperature operation, the performance of DDFC using a Pt-RU catalyst at 80 degreesC is improved. By supplying sufficient steam before operation, the performance of DDFC using a Pt-RU catalyst at 80 degreesC is also found to improve. Before and during operation, more steam is needed for stable operation of the DDFC using a Pt-RU catalyst at 80 degreesC than using a Pt catalyst. (C) 2004 Wiley Periodicals, Inc.

引用

页码：19 / 25

页数：7

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