Characteristics of the carbon nanotubes supported Pt−Ni and Ni electrocatalysts for DMFC

被引:0
|
作者
Sharmin Sultana Dipti
Uoo-Chang Chung
Won Sub Chung
机构
[1] Pusan National University,School of Materials Science and Engineering
[2] Korea Institute of Industrial Technology,Digital Manufacturing Technology Innovation Center
来源
Metals and Materials International | 2007年 / 13卷
关键词
carbon nanotubes; DMFC; electrocatalysts; Pt−Ni; Ni;
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中图分类号
学科分类号
摘要
Electrocatalysts, Pt−Ni and Ni, catalysts loaded separately about 20 wt.% onto carbon nanotubes (CNTs) by the impregnation method for a direct methanol fuel cell (DMFC). The particles size and morphology of these catalysts were confirmed by XRD and TEM analysis. From the X-ray diffraction analysis, the peaks of Pt−Ni and Ni were displayed separately for each catalyst. TEM images showed that the metal catalysts were loaded uniformly and finely onto carbon nanotubes with sizes ranging from 2 to 4 nm. Finally, an electrochemical analysis was performed to determine catalytical activity of these catalysts by the cyclic voltammogram (CV).
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页码:257 / 260
页数:3
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