Can Graphene be the Electrode Support for Pt in Formic acid Electrooxidation?

被引：4
|
作者：
Murugesan, Sankaran [1 ]
Myers, Kirby [1 ]
Subramanian, Vaidyanathan [1 ]
机构：
[1] Univ Nevada, Dept Chem & Met Engn, Reno, NV 89557 USA
来源：
GRAPHENE AND EMERGING MATERIALS FOR POST-CMOS APPLICATIONS | 2009年 / 19卷 / 05期
关键词：
CARBON NANOTUBES; FUEL-CELLS; OXIDE;
D O I：
10.1149/1.3119549
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Formic acid electrooxidation over Pt deposited on two types of graphene supports are examined. The first support was prepared by rigorous chemical reduction of graphite oxide (GO) to form pure graphene (GCH). The second support is prepared by simultaneous reduction and functionalization of GO with ethylenediamine (GUE) by a one-step ultrasonication method. GUE show a significant shift in the HCOOH oxidation onset potential compared to GCH as well as other forms of commercial carbon supports. A comparative analysis of Pt activity towards formic acid electrooxidation over glassy carbon (GC) shows the following trend: Pt-GC-GUE>Pt-GC-GCH> HiSpec 3000 > Pt-GC-Vulcan XC-72.
引用
收藏
页码：249 / 257
页数：9
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