Electrocatalytic oxidation of formic acid on functional MWCNTs supported nanostructured Pd-Au catalyst

被引：54
|
作者：
Zhang, Shuxian [1 ]
Qing, Ming [2 ]
Zhang, Hui [1 ]
Tian, Yanni [1 ]
机构：
[1] Shanxi Univ, Minist Educ, Key Lab Chem Biol & Mol Engn, Inst Mol Sci, Taiyuan 030006, Peoples R China
[2] Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China
来源：
ELECTROCHEMISTRY COMMUNICATIONS | 2009年 / 11卷 / 11期
关键词：
Direct formic acid fuel cells; Electrooxidation; Formic acid; Pd/f-MWCNTs; PdAu/f-MWCNTs; CARBON NANOTUBES; FUEL-CELLS; ELECTROOXIDATION; NANOPARTICLES; SURFACES;
D O I：
10.1016/j.elecom.2009.10.001
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
In this work, PdAu nanocatalysts with different weight ratio of Pd and Au supported on functional multi-walled carbon nanotubes (f-MWCNTs) were prepared, and their electrocatalytic activity for the oxidation of formic acid was also studied. The electrocatalysts were characterized by X-ray diffraction (XRD) and transmission electron microscopy (TEM). The electrochemical results showed that the 4Pd1Au/f-MWCNTs (by weight) catalyst, exhibited distinctly higher activity and better stability in formic acid electrooxiclation than the Pd/f-MWCNTs catalyst. The Nano-Au improves potentially the performance of Pd-based electrocatalysts for the direct formic acid fuel cells (DFAFCs). (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：2249 / 2252
页数：4
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