期刊
ELECTROCHIMICA ACTA
卷 56, 期 5, 页码 2122-2126出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2010.11.093
关键词
VO2 nanostructures; Cyclic voltammetry; Li-ion diffusion coefficient
资金
- NSF of China [60976014, 60976004, 11074075]
- Scientific and Technology Committee of Shanghai [09DJ1400200]
- Specialized Research Fund for the Doctoral Program of Higher Education [20070269016]
VO2 (B), one of metastable phases of vanadium dioxide, should be a promising candidate cathode material to be applied in aqueous Li-ion battery owing to its proper electrode potential and layered structure. In this study, three different morphologies of the VO2 (B): nanorods, nanoflakes and nanoflowers were synthesized via one-step hydrothermal process. Electrochemical behaviors of the three samples were evaluated by cyclic voltammetry. The results showed that flower-like VO2 (B) had the best capacity retention behavior, and the largest Li-ion diffusion coefficient. (C) 2010 Elsevier Ltd. All rights reserved.
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