Pt-H_xWO_3复合电极的制备及其对氧还原的电催化

doi:10.61558/2993-074X.1929

电化学（中英文） ›› 2008, Vol. 14 ›› Issue (4): 398-401. doi: 10.61558/2993-074X.1929

Pt-H_xWO_3复合电极的制备及其对氧还原的电催化

郭盼盼;黄幼菊;杨红艳;李伟;张庆龙;李伟善;

华南师范大学化学与环境学院;

收稿日期:2008-11-28 修回日期:2008-11-28 出版日期:2008-11-28 发布日期:2008-11-28

Preparations of Composite Electrodes of Pt with H_xWO_3 and Catalytic Activity toward Oxygen Reduction Reaction

GUO Pan-pan,HUANG You-ju,YANG Hong-yan,LI Wei,ZHANG Qing-long,LI Wei-shan*

(Department of Chemistry,South China Normal University,Guangzhou 510006,China

Received:2008-11-28 Revised:2008-11-28 Published:2008-11-28 Online:2008-11-28

摘要/Abstract

摘要： 应用电位扫描法制备3种铂与氢钨青铜(HxWO3)的复合电极,即铂上沉积氢钨青铜(HxWO3/Pt),氢钨青铜上沉积铂(Pt/HxWO3)及铂和氢钨青铜共沉积(Pt-HxWO3).测试结果表明,氢钨青铜能显著提高铂电催化对氧还原的活性,其中以复合电极Pt/HxWO3的电催化活性最高,这可能是因为在玻碳基底上先电沉积氢钨青铜再电沉积铂增加了铂的有效比表面,该电极制备为减少铂用量提供一条有效途径.

关键词: 氧还原, 催化, 氢钨青铜, 铂, 复合

Abstract: Three composite electrodes of platinum with hydrogen tungsten bronze(HxWO3)were prepared by voltammetry: hydrogen tungsten bronze deposited on platinum(HxWO3/Pt);platinum deposited on hydrogen tungsten bronze(Pt/HxWO3) and codeposited platinum and hydrogen tungsten bronze(Pt-HxWO3).The eletro-catalytic activities of three electrodes toward oxygen reduction reaction were studied.It is found that the catalytic activity of platinum can be improved by introducing with hydrogen tungsten bronze.Among these composite electrodes Pt/HxWO3,and the electrode shows the best eletro-catalytic activity toward oxygen reduction reaction,hence,provides a new way for reducing loading of noble metal in the application for fuel cell.

Key words: oxygen reduction, catalysis, hydrogen tungsten bronze, platinum, composite

中图分类号:

O646.54

郭盼盼, 黄幼菊, 杨红艳, 李伟, 张庆龙, 李伟善, . Pt-H_xWO_3复合电极的制备及其对氧还原的电催化[J]. 电化学（中英文）, 2008, 14(4): 398-401.

GUO Pan-pan, HUANG You-ju, YANG Hong-yan, LI Wei, ZHANG Qing-long, LI Wei-shan. Preparations of Composite Electrodes of Pt with H_xWO_3 and Catalytic Activity toward Oxygen Reduction Reaction[J]. Journal of Electrochemistry, 2008, 14(4): 398-401.

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链接本文: https://electrochem.xmu.edu.cn/CN/10.61558/2993-074X.1929

https://electrochem.xmu.edu.cn/CN/Y2008/V14/I4/398

参考文献

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Pt-H_xWO_3复合电极的制备及其对氧还原的电催化

Preparations of Composite Electrodes of Pt with H_xWO_3 and Catalytic Activity toward Oxygen Reduction Reaction

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