Electrocatalytic Activity of Carbon Nanotube-Supported Pt-Cr-Co Tri-Metallic Nanoparticles for Methanol and Ethanol Oxidations

被引：17

作者：

Dong, Hongzhou ^{[2
]}

Dong, Lifeng ^{[1
,2
]}

机构：

[1] SW Missouri State Univ, Dept Phys Astron & Mat Sci, Springfield, MO 65897 USA

[2] Qingdao Univ Sci & Technol, Coll Mat Sci & Engn, Qingdao 266042, Peoples R China

来源：

JOURNAL OF INORGANIC AND ORGANOMETALLIC POLYMERS AND MATERIALS | 2011年 / 21卷 / 04期

关键词：

Fuel cell; Methanol; Ethanol; Electrochemical impedance spectroscopy; Cyclic voltammetry; FUEL-CELLS; ANODE CATALYSTS; ELECTROOXIDATION;

D O I：

10.1007/s10904-011-9526-2

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

In this work, platinum (Pt), Pt-Cr, Pt-Co, and Pt-Cr-Co nanoparticles were synthesized on single-walled carbon nanotubes, and their effects on electrocatalytic activity for methanol and ethanol oxidations were investigated using cyclic voltammetry and electrochemical impedance spectroscopy. In comparison to Pt, Pt-Cr, and Pt-Co, Pt-Cr-Co nanoparticles demonstrate better catalytic characteristics for methanol and ethanol oxidations, such as forward peak current density, resistance to carbon monoxide poisoning, peak potential for oxidation, and charge transfer resistance. This study indicates that Pt-trimetallic nanoparticles could be desirable catalyst candidates for both direct methanol and ethanol fuel cells.

引用

页码：754 / 757

页数：4

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