Electrochemical durability investigation of single-walled and multi-walled carbon nanotubes under potentiostatic conditions

被引：44
|
作者：
Wang, Jiajun [1 ]
Yin, Geping [1 ]
Shao, Yuyan [1 ]
Wang, Zhenbo [1 ]
Gao, Yunzhi [1 ]
机构：
[1] Harbin Inst Technol, Dept Appl Chem, Lab Electrochem, Harbin 150001, Peoples R China
来源：
JOURNAL OF POWER SOURCES | 2008年 / 176卷 / 01期
关键词：
carbon nanotubes; durability; corrosion resistance; potentiostatic oxidation;
D O I：
10.1016/j.jpowsour.2007.10.057
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：
The electrochemical corrosion behaviors of single-walled carbon nanotubes (SWNTs) and multi-walled carbon nanotubes (MWNTs) were investigated with potentiostatic oxidation at 1.2 V for 120 h. The surface oxygen contents of the two types of carbon nanotubes were analyzed by cyclic voltammograms (CV) and X-ray photoelectron spectroscopy (XPS). The increase in oxygen content on the SWNTs surface is higher than that on the MWNTs after 120 h oxidation. The results indicate that MWNTs exhibit higher electrochemical stability than SAINT, thus a good electrode material for PEMFC. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：128 / 131
页数：4
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