Influence of SiW12O404- on the electrocatalytic behaviour of Pt-Co alloy supported on carbon for water electrolysis in 3 M KOH aqueous solution

被引：24

作者：

Savadogo, O ^{[1
]}

Ndzebet, E ^{[1
]}

机构：

[1] Ecole Polytech, Dept Met & Genie Mat, Lab Elect & Mat Energet, Montreal, PQ H3C 3A7, Canada

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2001年 / 26卷 / 03期

关键词：

Pt-Co alloy; activation; silicotungstic acid; HER properties; alkaline solution;

D O I：

10.1016/S0360-3199(00)00059-8

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：

Pt-Co alloy supported on carbon (Pt-Co) was electroactivated with or without SiW12O404-, and used as cathodes for the hydrogen evolution reaction (HER) in 3 M KOH at 70 degreesC. These electrodes were characterised through neutron activation (NA) and electrochemical impedance spectroscopy (EIS). The best HER performances were observed on Pt-Co electroactivated with STA. The enhanced HER electrocatalytic activity observed on Pt-Co electroactivated with STA was attributed to an increase in its active surface area and to its surface chemical composition. (C) 2001 International Association for Hydrogen Energy. Published by Elsevier Science Ltd. All rights reserved.

引用

页码：213 / 218

页数：6

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