Synthesis of highly dispersed Pt/C electrocatalysts in ethylene glycol using acetate stabilizer for methanol electrooxidation

被引：17
|
作者：
Yu, Guiyan
Chen, Weixiang [1 ]
Zhao, Jie
Nie, Qiulin
机构：
[1] Zhejiang Univ, Dept Chem, Hangzhou 310027, Peoples R China
[2] Hangzhou Inst Elect Engn, Hangzhou 310018, Peoples R China
来源：
JOURNAL OF APPLIED ELECTROCHEMISTRY | 2006年 / 36卷 / 09期
基金：
高等学校博士学科点专项科研基金;
关键词：
carbon supports; electrocatalysts; ethylene glycol; fuel cell; platinum nanoparticles;
D O I：
10.1007/s10800-006-9163-6
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Pt/C electrocatalysts were prepared from a solution of H2PtCl6 in ethylene glycol in the presence of XC-72 carbon by adding a small amount of sodium acetate as stabilizer. Repeated TEM images showed that the platinum nanoparticles were small and uniform in size and highly dispersed on XC-72 carbon supports when a small amount of sodium acetate solution was added to the synthesis solution. The Pt/C electrocatalysts exhibited very high electrocatalytic activity for liquid methanol oxidation. The effects of adding acetate on Pt particle size and size distribution are discussed. It is demonstrated that acetate can be used as a good stabilizer for preparing Pt/C catalyst with fine and uniform Pt particles.
引用
收藏
页码：1021 / 1025
页数：5
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