Edge-truncated cubic platinum nanoparticles as anode catalysts for direct methanol fuel cells

被引：8
|
作者：
Liu, Y. G. [1 ]
Shi, S. L. [1 ]
Xue, X. Y. [2 ]
Zhang, J. Y. [1 ]
Wang, Y. G. [1 ]
Wang, T. H. [1 ]
机构：
[1] Chinese Acad Sci, Inst Phys, Beijing 100080, Peoples R China
[2] Northeastern Univ, Coll Sci, Shenyang 110004, Peoples R China
来源：
APPLIED PHYSICS LETTERS | 2008年 / 92卷 / 20期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1063/1.2928223
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The edge-truncated cubic platinum nanoparticles (ECPs) are synthesized with the addition of silver ions. The nanoparticle is closed by 6 {100} facets and 12 {110} facets, confirmed from the transmission electron microscopy and cyclic voltammogram (CV) results. The current density increases up to a maximum of 1.05 mA cm(-2) (J(f)) during the forward sweep. A current density ratio value of 1.12 and the sharp initial current drop in the CV reveal that the tailored facets of the ECPs dominate the methanol oxidation behaviors. Our results show promising anode catalysts of truncated-edge cubic platinum nanoparticles for direct methanol fuel cells. (C) 2008 American Institute of Physics.
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页数：3
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