Electrochemical oxidation of ethanol on Pt-CeO2/C catalysts

被引：184
作者：
Xu, CW [1 ]
Shen, PK [1 ]
机构：
[1] Sun Yat Sen Univ, Sch Phys & Engn, State Key Lab Optoelect Mat & Technol, Guangzhou 510275, Peoples R China
来源：
JOURNAL OF POWER SOURCES | 2005年 / 142卷 / 1-2期
关键词：
microwave irradiation; ethanol oxidation; alkaline; CeO2;
D O I：
10.1016/j.jpowsour.2004.10.017
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：
CeO2/C used in this study was prepared by a solid-state reaction under the microwave irradiation. The activities of Pt/C, Pt/-CeO2/C for electrochemical oxidation of ethanol were studied in 1.0 M KOH solution by cyclic voltammetry, chronopotentiometry and electrochemical impedance spectroscopy (EIS). The results showed that the composite of Pt-CeO2/C gave the better performance than Pt/C. The influence of the amount of the addition of CeO2 on the catalytic activity of alcohols oxidation on platinum electrode in alkaline solution was tested. The electrode with the weight ratio of Pt to CeO2 of 2:1 with a platinum loading of 0.30 mg cm(-2) showed the highest electro-catalytic activity. (c) 2004 Published by Elsevier B.V.
引用
收藏
页码：27 / 29
页数：3
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