Platinum-titanium intermetallic nanoparticle catalysts for oxygen reduction reaction with enhanced activity and durability

被引：24
|
作者：
Kim, Jiwhan [1 ]
Yang, Sungeun [1 ]
Lee, Hyunjoo [1 ]
机构：
[1] Korea Adv Inst Sci & Technol, Dept Chem & Biomol Engn, Daejeon 34141, South Korea
来源：
ELECTROCHEMISTRY COMMUNICATIONS | 2016年 / 66卷
基金：
新加坡国家研究基金会;
关键词：
Platinum; Titanium; Intermetallic nanoparticles; Oxygen reduction reaction; ELECTRONIC-PROPERTIES; TRANSITION-METALS; PARTICLE-SIZE; ELECTROCATALYSIS; CARBON; SURFACES; OXIDATION; SUPPORTS; ALLOYS; PT3TI;
D O I：
10.1016/j.elecom.2016.03.007
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
A facile method to prepare Pt-Ti intermetallic nanoparticles supported on carbon was developed. Starting from a commercial Pt/C catalyst, TiO2 layers were formed on the Pt/C then thermal annealing under a reducing condition successfully produced intermetallic Pt-Ti nanoparticles with an average size of 4.2 nm. The intermetallic Pt-Ti/C showed enhanced activity and durability for oxygen reduction reaction due to the change in electronic structure and less aggregation. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：66 / 70
页数：5
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