Mixed ionic liquids/graphene-supported platinum nanoparticles as an electrocatalyst for methanol oxidation

被引：33
|
作者：
Shi, Guoyu [1 ]
Wang, Zonghua [1 ]
Xia, Jianfei [1 ]
Bi, Sai [1 ]
Li, Yue [1 ]
Zhang, Feifei [1 ]
Xia, Lin [1 ]
Li, Yanhui [1 ]
Xia, Yanzhi [1 ]
Xia, Linhua [1 ]
机构：
[1] Qingdao Univ, Collaborat Innovat Ctr Marine Biomass Fiber Mat &, Shandong Sino Japanese Ctr Collaborat Res Carbon, Growing Base State Key Lab,Lab Fiber Mat & Modern, Qingdao 266071, Shandong, Peoples R China
来源：
ELECTROCHIMICA ACTA | 2014年 / 142卷
基金：
中国国家自然科学基金;
关键词：
Graphene; Mixed ionic liquids; Platinum nanoparticles; Electrocatalyst; Methanol oxidation; GRAPHENE NANOSHEETS; FACILE PREPARATION; CARBON NANOTUBE; LIQUID; COMPOSITE; FUNCTIONALIZATION; PERFORMANCE; CATALYST; NANOCOMPOSITE; REDUCTION;
D O I：
10.1016/j.electacta.2014.07.104
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
A kind of mixed ionic liquids (ILs) of 1-butyl-3-methylimidazolium tetrafluoroborate ([bmim][BF4],IL1) and hexafluorophosphate ([bmim][PF6], IL2) was introduced to the functionalization of graphene (GN) nanosheets, which was used to the synthesis of platinum nanoparticles (Pt NPs) to obtain the Pt/IL1-IL2/GN nanocomposite. The interaction between mixed ILs and GN achieved a stable performance due to the excellent electronic and interfacial property of the fabricated nanocomposites, which was favorable for effective loading of Pt NPs on the IL1-IL2/GN support. The as-prepared Pt/IL1-IL2/GN composites exhibited highly electrocatalytic activity (764.3 mA mg(pt)(-1) at 0.6 V vs. SCE) and stability toward methanol oxidation, demonstrating their promising potential as the anode catalyst for direct methanol fuel cells (DMFCs). (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：167 / 172
页数：6
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