Development of novel Ru catalyst of preferential CO oxidation for residential polymer electrolyte fuel cell systems

被引：49

作者：

Echigo, M ^{[1
]}

Tabata, T ^{[1
]}

机构：

[1] Osaka Gas Co Ltd, Residential Cogenerat Dev Dept, Konohana Ku, Osaka 5540041, Japan

来源：

CATALYSIS TODAY | 2004年 / 90卷 / 3-4期

关键词：

Ru/Al2O3; catalyst; ESCA; CO preferential oxidation; methanation; PEFC; residential use;

D O I：

10.1016/j.cattod.2004.04.036

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

CO preferential oxidation on a novel Ru catalyst greatly improved in activity and selectivity over a wide temperature range by the pre-treatment of H-2 reduction was characterized. The high performance was obtained by increasing the population of surface Ru(0) which improved O-2 activation at low temperatures. Methanation of CO on the catalyst can also contribute to the final CO clean-up from ca. 100 to < 1 ppm at low temperatures where the influence of CO2 methanation can be ignored. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：269 / 275

页数：7

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