Tungsten monocarbide as potential replacement of platinum for methanol electrooxidation

被引：137
|
作者：
Weigert, Erich C. [1 ]
Stottlemyer, Alan L. [1 ]
Zellner, Michael B. [1 ]
Chen, Jingguang G. [1 ]
机构：
[1] Univ Delaware, Ctr Catalyt Sci & Technol, Newark, DE 19716 USA
来源：
JOURNAL OF PHYSICAL CHEMISTRY C | 2007年 / 111卷 / 40期
关键词：
D O I：
10.1021/jp075504z
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Polycrystalline tungsten monocarbide (WC) surfaces are synthesized and evaluated as a potential replacement of platinum (Pt) electrocatalysts. A combined approach utilizing ultrahigh vacuum (UHV) and electrochemical techniques demonstrates that WC possesses the following prerequisites for alternative electrocatalysts: high activity toward methanol decomposition, improved resistance to poisoning by CO, and promising electrochemical stability.
引用
收藏
页码：14617 / 14620
页数：4
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