Electrooxidation of ethylene glycol on Pt-based catalysts dispersed in polyaniline

被引：60
|
作者：
Kelaidopoulou, A [1 ]
Abelidou, E
Papoutsis, A
Polychroniadis, EK
Kokkinidis, G
机构：
[1] Aristotelian Univ Salonika, Dept Chem, Phys Chem Lab, GR-54006 Salonika, Greece
[2] Aristotelian Univ Salonika, Dept Phys, Solid State Phys Sect, GR-54006 Salonika, Greece
来源：
JOURNAL OF APPLIED ELECTROCHEMISTRY | 1998年 / 28卷 / 10期
关键词：
electrooxidation; ethylene glycol; Pt-based catalysts; polyaniline;
D O I：
10.1023/A:1003489623992
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Platinum dispersed in a polyaniline him is a better catalyst than smooth Pt for ethylene glycol electrooxidation in perchloric acid aqueous solutions. The catalytic activity of the platinum microparticles is further enhanced when Ru, Sn or both are codeposited. The PAni/Pt-Sn assembly shows the highest electrocatalytic activity of the electrodes examined. Underpotential deposition of Tl and Pi on dispersed Pt inhibits EG electrooxidation while Pb causes significant catalysis only with a specific preparation method electrocatalyst. The morphology and the identity of the metallic dispersion is examined by transmission electron microscopy.
引用
收藏
页码：1101 / 1106
页数：6
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