Carbon-coated tungsten oxide nanowires supported Pt nanoparticles for oxygen reduction

被引：36
作者：
Saha, Madhu Sudan [1 ]
Zhang, Yong [1 ]
Cai, Mei [2 ]
Sun, Xueliang [1 ]
机构：
[1] Univ Western Ontario, Dept Mech & Mat Engn, London, ON N6A 5B9, Canada
[2] Gen Motors Res & Dev Ctr, Warren, MI 48090 USA
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2012年 / 37卷 / 05期
关键词：
Carbon-coated tungsten oxide nanowires; Catalyst support; Polymer electrolyte membrane fuel cells; Pt nanoparticles; Oxygen reduction reaction; ALLOY CATALYSTS; METHANOL; PLATINUM; ELECTROCATALYSTS; OXIDATION; ELECTROREDUCTION; SURFACE; PAPER; ENHANCEMENT; NANOTUBES;
D O I：
10.1016/j.ijhydene.2011.05.013
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：
Carbon-coated tungsten oxide nanowires were grown directly on carbon fiber of a carbon paper (C-W18O49 NWs/carbon paper) by chemical vapor deposition method and Pt nanoparticles were deposited on the nanowires (Pt/C W18O49 NV/s/carbon paper) to form the composite electrode. The microstructure and electrochemical behavior of the resultant Pt/C-W18O49 NV/s/carbon paper composites are characterized by a transmission electron microscope (TEM) and cyclic voltammetry, respectively. The electrocatalytic activities of these composite electrodes for oxygen reduction reaction (ORR) were investigated and higher mass and specific activities in ORR were exhibited as compared to commercial Pt/C electrode. Copyright (C) 2011, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：4633 / 4638
页数：6
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