Two dimensional MoS2/graphene composites as promising supports for Pt electrocatalysts towards methanol oxidation

被引：106
作者：
Zhai, Chunyang [1 ]
Zhu, Mingshan [1 ,2 ]
Bin, Duan [1 ]
Ren, Fangfang [1 ]
Wang, Caiqin [1 ]
Yang, Ping [1 ]
Du, Yukou [1 ]
机构：
[1] Soochow Univ, Coll Chem Chem Engn & Mat Sci, Suzhou 215123, Peoples R China
[2] Chinese Acad Sci, Inst Chem, Beijing 100190, Peoples R China
来源：
JOURNAL OF POWER SOURCES | 2015年 / 275卷
关键词：
Fuel cells; Electrocatalyst; Molybdenum disulfide; Graphene; Methanol oxidation; PHOTOCATALYTIC HYDROGEN EVOLUTION; REDUCED GRAPHENE OXIDE; MOS2; NANOSHEETS; NANOPARTICLES; PLATINUM; PERFORMANCE; CATALYST; ELECTRODEPOSITION; NANOSTRUCTURES; FABRICATION;
D O I：
10.1016/j.jpowsour.2014.11.030
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Two dimensional (2D) molybdenum disulfide (MoS2)/reduced graphene oxide (RGO) nanocomposites are synthesized by a hydrothermal method and served as supports for Pt electrocatalysts towards electrocatalytic methanol oxidation. The Pt nanoclusters with uniform size of 3.41 nm are well-dispersed on the surface of MoS2/RGO sheets. Compare to commercial Pt/C and Pt-MoS2 electrodes, the as-prepared Pt-MoS2/RGO composites display 5.65 and 1.73 times higher electrocatalytic activity of methanol oxidation, respectively. This outstanding electrocatalytic performance evidences 2D MoS2/graphene nanocomposites as promising electrocatalyst supports for the commercialization of fuel cells. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：483 / 488
页数：6
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