METHANOL ELECTROOXIDATION ON CARBON-SUPPORTED PT-WO3-X ELECTRODES IN SULFURIC-ACID ELECTROLYTE

被引：96

作者：

SHUKLA, AK

RAVIKUMAR, MK

ARICO, AS

CANDIANO, G

ANTONUCCI, V

GIORDANO, N

HAMNETT, A

机构：

[1] CNR,INST TAE,MESSINA,ITALY

[2] UNIV NEWCASTLE UPON TYNE,DEPT CHEM,NEWCASTLE TYNE NE1 7RU,TYNE & WEAR,ENGLAND

来源：

JOURNAL OF APPLIED ELECTROCHEMISTRY | 1995年 / 25卷 / 06期

关键词：

D O I：

10.1007/BF00573210

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Electrooxidation of methanol has been studied in sulphuric acid electrolyte at 60 degrees C on carbon-supported Pt-WO3-x, electrodes employing varying amounts of WO3-x,. It is found that the electrodes containing (3:1) Pt-WO3-x, composite catalyst exhibit a higher catalytic activity towards methanol electrooxidation than platinized carbon electrodes without WO3-x. In the light of the XPS and XRD data on the carbon-supported (3:1) Pt-WOx sample, it is speculated that the WOx is present in the form of an oxyhydroxide, which can promote surface oxy-species on platinum by proton transfer.

引用

页码：528 / 532

页数：5

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