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

被引：43

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

页码：B47 / B49

页数：3

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