Effect of PVP on the Dispersity of Pt Nanoparticles and Catalytic Activity in Synthesis of Pt/C Catalysts for Fuel Cell

被引：1
|
作者：
Leem, Young-Min [1 ,2 ]
Park, Nam-Hee [1 ,2 ]
Yu, Yeon-Tae [1 ,2 ]
机构：
[1] Chonbuk Natl Univ, Div Adv Mat Engn, Jeonju 561756, South Korea
[2] Chonbuk Natl Univ, Res Ctr Adv Mat Dev, Jeonju 561756, South Korea
来源：
KOREAN JOURNAL OF MATERIALS RESEARCH | 2008年 / 18卷 / 08期
关键词：
PEMFC; Pt-loaded carbon black; catalyst; surfactant; PVP;
D O I：
10.3740/MRSK.2008.18.8.401
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Pt-loaded carbon black for the catalyst of a PEM fuel cell was synthesized with different molar ratios of polyvinylpyrrolidone and H2PtCl6 solution to improve the dispersion of Pt nanoparticles on carbon black and decrease the size of Pt nanoparticles. From transmission electron microscopy results, Pt nanoparticles of a size of approximately 2 nm were highly dispersed when the polyvinylpyrrolidone concentration was 10mM. The electrochemical activity of the synthesized Pt/C catalysts was investigated by cyclic voltammetry, showing that the as-synthesized Pt-loaded carbon black catalyst had the best activity at a polyvinylpyrrolidone concentration of 10 mM
引用
收藏
页码：401 / 405
页数：5
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