Ethanol oxidation at metal–zeolite-modified electrodes in alkaline medium. Part 2: palladium–zeolite-modified graphite electrode

被引：0
|
作者：
A. A. El-Shafei
A. M. Abd Elhafeez
H. A. Mostafa
机构：
[1] El-Mansoura University,Department of Chemistry, Faculty of Science
来源：
Journal of Solid State Electrochemistry | 2010年 / 14卷
关键词：
Zeolite; Palladium; Ethanol Oxidation; Peak Current Density; Ethanol Concentration Increase;
D O I：
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中图分类号：
学科分类号：
摘要：
Impregnated Pd–zeolite graphite (PdZG) electrodes have been tested for ethanol oxidation in 0.5 M NaOH. The results obtained have been compared with that of Pd electrode. Cyclic voltammetric and chronoamperometric measurements indicated the activity of PdZG electrode toward ethanol oxidation and poisoning tolerance. The influence of zeolite loading as well as impregnation time in Pd2+ solution has been examined. Scan rate effect and ethanol concentration dependency indicated that ethanol oxidation at PdZG electrode was governed by diffusion control.
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页码：185 / 190
页数：5
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