One-pot synthesis of graphene supported platinum-cobalt nanoparticles as electrocatalysts for methanol oxidation

被引：8
|
作者：
Kepeniene, V. [1 ]
Tamasauskaite-Tamasiunaite, L. [1 ]
Jablonskiene, J. [1 ]
Semasko, M. [1 ]
Vaiciuniene, J. [1 ]
Vaitkus, R. [2 ]
Norkus, E. [1 ]
机构：
[1] Ctr Phys Sci & Technol, Dept Catalysis, LT-01108 Vilnius, Lithuania
[2] Vilnius Univ, Fac Chem, LT-03225 Vilnius, Lithuania
来源：
MATERIALS CHEMISTRY AND PHYSICS | 2016年 / 171卷
关键词：
Composite materials; Chemical synthesis; Electrochemical properties; OXYGEN REDUCTION REACTION; FUEL-CELLS; CATALYSTS; CO; FE; PERFORMANCE; ALLOY; NI; CU;
D O I：
10.1016/j.matchemphys.2015.12.010
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In the present study the graphene supported platinum cobalt nanoparticles were prepared via microwave synthesis. The composition of prepared catalysts was examined by Inductively Coupled Plasma Optical Emission Spectroscopy. The shape and size of catalyst particles were determined by Transmission Electron Microscopy. The electrocatalytic activity of the graphene supported platinum cobalt nano particles was investigated towards the electro-oxidation of methanol in an alkaline medium. It has been found that the graphene supported platinum cobalt nanoparticles having the Pt:Co molar ratio 1:7 show the highest activity towards the electro-oxidation of methanol among the catalysts with the Pt:Co molar ratios equal to 1:1 and 1:44, graphene supported bare Co and Pt/C catalysts. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：145 / 152
页数：8
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