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Effect of Nafion dispersion on the stability of Pt/WO3 electrodes

被引：34
作者：
Chen, KY
Tseung, ACC
机构：
[1] Chemical Energy Research Center, Dept. of Biol. and Chemical Sciences, University of Essex, Colchester CO4 3SQ, Wivenhoe Park
来源：
JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 1996年 / 143卷 / 09期
关键词：
D O I：
10.1149/1.1837094
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Coelectrodeposited Pt/WO3 electrodes have very high activity for the oxidation of methanol and formic acid. However, WO3 has a slight solubility at 60 degrees C in sulfuric acid media and this significantly reduces its activity and stability. By covering such an electrode with a thin layer of Nafion dispersion, the solubility of WO3 is reduced significantly, electrode performance is stable, and electrode activity is not affected.
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页码：2703 / 2707
页数：5
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