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Journal of NanomaterialsVolume20112011, Article ID961389, 4 pages

Research Article

College of Mechanical and Material Engineering, China Three Gorges University, Yichang 443002, China

Key Laboratory for Intelligent Nanomaterials and Devices MOE, Institute of Nanoscience and Department of Material Science, Nanjing University of Aeronautics and Astronautics, Yudao Road 29, Nanjing 210016, China

Received 5 June 2011; Accepted 11 July 2011

Academic Editor: RenzhiMa

Copyright 2011 Shibing Ni et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

VO2 B nanobelts have been successfully synthesized via a simple hydrothermal route. The products were characterized by X-ray diffraction XRD, field emission scanning electron microscopy FE-SEM, and Raman spectrum. These nanobelts are of rectangular cross-section with mean length about 1m, mean width about 80nm, and mean thickness about 50nm. The as-synthesized VO2 nanobelts were assembled as the cathode electrodes of lithium ion batteries. Their electrochemical properties were studied by conventional charge-discharge tests, which show an initial discharge capacity of 321mAhg

with voltage plateau near 2.5V. These results indicated that such hydrothermally synthesized VO2 B nanobelts could be an ideal candidate of cathode material for lithium ion battery.





Autor: Shibing Ni,Haibo Zeng,and Xuelin Yang

Fuente: https://www.hindawi.com/



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