Methanol electro-oxidation on well-characterized Pt-Ru alloys temperature effects

被引：0
|
作者：
Gasteiger, Hubert A. [1 ]
机构：
[1] Electrochemical Society
来源：
Electrochemical Society Interface | 1994年 / 3卷 / 03期
关键词：
Adsorption - Bimetals - Catalysts - Dehydrogenation - Electrochemistry - Oxidation - Platinum - Reaction kinetics - Ruthenium;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The optimum Ru surface composition for the electrooxidation of methanol in 0.5M sulfuric acid on bimetallic Pt-Ru electrocatalysts was shown to increase with increasing temperature, increasing methanol concentration and decreasing electrode potential. This is consistent with the proposed series mechanism of methanol adsorption/dehydrogenation and the subsequent removal of methanol dehydrogenation fragments via oxygen-containing species which nucleate on Ru surface atoms.
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页码：49 / 50
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