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

页码：128 / 131

页数：4

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