Well-dispersed multiwalled carbon nanotubes supported platinum nanocatalysts for oxygen reduction

被引：39
|
作者：
Li, XG
Ge, SH
Hui, CL
Hsing, IM
机构：
[1] Hong Kong Univ Sci & Technol, Dept Chem Engn, Hong Kong, Hong Kong, Peoples R China
[2] Hong Kong Univ Sci & Technol, Environm Engn Program, Hong Kong, Hong Kong, Peoples R China
来源：
ELECTROCHEMICAL AND SOLID STATE LETTERS | 2004年 / 7卷 / 09期
关键词：
D O I：
10.1149/1.1783111
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Well-dispersed Pt nanoparticles of an average size 2.2 nm were produced on multiwalled carbon nanotubes (MWNTs) pretreated by concentrated sulfuric and nitric acids to improve the catalyst adsorption. Reduction of the chloroplatinic acid was done by methanol. A zwitterionic surfactant 3-(N,N-dimethyldodecylammonio) propanesulfonate was used to stabilize the size of the nanocatalyst. This method is simple and reproducible. The resultant catalyst exhibits a slightly higher performance for the oxygen reduction reaction than the corresponding Pt/C. (C) 2004 The Electrochemical Society.
引用
收藏
页码：A286 / A289
页数：4
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