期刊
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
卷 154, 期 1, 页码 A39-A42出版社
ELECTROCHEMICAL SOC INC
DOI: 10.1149/1.2374945
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This paper reports on the electrochemical lithium intercalation/ deintercalation of single- crystalline V2O5 nanowires that were synthesized by a two- step approach including a hydrothermal process and a post- calcinating treatment. Techniques of X- ray diffraction, field- effect scanning electron microscopy, transmission electron microscopy, and high- resolution transmission electron microscopy were used to characterize the structure, morphology, and composition of the as- prepared nanowires. It was found that V2O5 nanowires were of high purity with the diameter of 50 - 200 nm and the length up to 100 mu m. The electrochemical lithium intercalation/ deintercalation of the V2O5 nanowires was investigated by cyclic voltammograms and galvanostatic charge- discharge methods. The results showed that the single- crystalline V2O5 nanowires exhibited high initial discharge capacity of 351 mAh g(-1), indicating their potential application as the cathode materials of rechargeable lithium- ion batteries. (c) 2006 The Electrochemical Society.
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