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Electrochemical Durability Investigation of Single-walled and Multi-walled Carbon Nanotubes Under Potentiostatic Conditions by Jiajun Wang; Geping Yin; Yuyan Shao; Zhenbo Wang; Yunzhi Gao is a Engineering article available to read on EtoBox.

What is Electrochemical Durability Investigation of Single-walled and Multi-walled Carbon Nanotubes Under Potentiostatic Conditions about?

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 SWNT, thus a good electrode material for PEMFC.

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Author

Jiajun Wang; Geping Yin; Yuyan Shao; Zhenbo Wang; Yunzhi Gao

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0378-7753)

Published

2008

Language

EN

Field

Engineering (Physical Sciences)