Pt-Ni nanourchins as electrocatalysts for oxygen reduction reaction

被引：10
作者：
Chang, Qiaowan [1 ]
Xu, Yuan [1 ]
Zhu, Shangqian [1 ]
Xiao, Fei [1 ]
Shao, Minhua [1 ,2 ]
机构：
[1] Hong Kong Univ Sci & Technol, Dept Chem & Biomol Engn, Kowloon, Hong Kong, Peoples R China
[2] Hong Kong Univ Sci & Technol, Energy Inst, Kowloon, Hong Kong, Peoples R China
来源：
FRONTIERS IN ENERGY | 2017年 / 11卷 / 03期
关键词：
Pt-Ni alloys; nanourchins; oxygen reduction reaction; shape control; fuel cells; NANOPARTICLE CATALYSTS; CORE-SHELL; PERFORMANCE; NANOCRYSTALS; NANOWIRES; STABILITY; OCTAHEDRA; NANORODS; ALLOYS; SIZE;
D O I：
10.1007/s11708-017-0493-3
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Pt-Ni bimetallic alloys with various nanostructures have shown excellent activity toward oxygen reduction reaction (ORR). The ORR activity is highly dependent on the structure of the catalyst. In this paper, Pt-Ni nanourchins were synthesized with an average size of 50 nm consisting of 10-20 nanorods and nanooctahedra by adjusting the synthesis condition. The formation of Pt-Ni nanourchins is mainly dependent on the adding order of solvents (benzyl ether, oleylamine and oleic acid). Pt-Ni nanourchins present a reasonable high ORR activity (0.81 A/mg at 0.9 V).
引用
收藏
页码：254 / 259
页数：6
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