Paper Title:
Preparation and Electrochemical Properties of VO2(B) Nano-Belts
  Abstract

The VO2(B) nanobelts with monoclinic phase were synthesized by a hydrothermal method at 220°C for 48 h in the absence of any surfactants. The electron energy loss spectrum (EELS) demonstrates that vanadium exists only in the 4+ oxidation state. The SEM and TEM images reveal a belt-like structure of the VO2(B) with the length of several micrometers, the width of 140 nm and the thickness of around 20nm and growth along the [110] crystal direction. Cyclic voltammetry (CV) and galvanostatic charge/discharge demonstrate that VO2(B) nano-belts electrode exhibits desirable electrochemical properties and the specific capacitance reaches up to 632.6F•g-1.

  Info
Periodical
Chapter
Chapter 1: Frontiers of Nanoscience and Technology
Edited by
Ran Chen
Pages
91-97
DOI
10.4028/www.scientific.net/MSF.694.91
Citation
Y. L. Qiao, Y. J. Ma, Q. P. Luo, C. H. Pei, "Preparation and Electrochemical Properties of VO2(B) Nano-Belts", Materials Science Forum, Vol. 694, pp. 91-97, 2011
Online since
July 2011
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$32.00
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