Highly Active Carbon Supported Core-Shell PtNi@Pt Nanoparticles for Oxygen Reduction Reaction

被引：42
|
作者：
Li, Wenzhen [1 ,2 ]
Haldar, Pradeep [1 ,2 ]
机构：
[1] Michigan Technol Univ, Dept Chem Engn, Houghton, MI 49931 USA
[2] SUNY Albany, Coll Nanoscale Sci & Engn, Albany, NY 12203 USA
来源：
ELECTROCHEMICAL AND SOLID STATE LETTERS | 2010年 / 13卷 / 05期
关键词：
carbon; catalysis; catalysts; electrochemical electrodes; electronic structure; nanoparticles; nanotechnology; nickel alloys; platinum; platinum alloys; reduction (chemical); surface states; O-2; REDUCTION; SURFACES; ELECTROCATALYSIS; PLATINUM; ALLOYS; ENHANCEMENT; CATALYSTS; KINETICS; FE; NI;
D O I：
10.1149/1.3313347
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
A carbon supported core-shell PtNi@Pt nanoparticle catalyst was synthesized through a two-step solution-phase reduction method, and it demonstrated a 5.4 times higher specific activity to an oxygen reduction reaction than a conventional Pt/C catalyst by using a rotating disk electrode in a three-compartment electrochemical cell, which could be attributed to the modified electronic structure of the Pt surface layer.
引用
收藏
页码：B47 / B49
页数：3
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