期刊
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
卷 2014, 期 2, 页码 352-356出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejic.201301249
关键词
Molybdenum dioxide; Nanotechnology; Lithiation; Lithium ion batteries; X-ray diffraction
资金
- Chinese Academy of Sciences and Technology Project [XBLZ-2011-013]
- Technologies R&D Program of Gansu Province [1104FKCA156]
Highly uniform MoO2 nanorods were successfully synthesized by a facile hydrothermal method, and the resultant sample was easily lithiated by subsequent treatment with LiCl solution. After lithiation, the MoO2 nanorods possessed a similar crystalline structure to the unlithiated sample. At a current density of 20 mAg(-1), the lithiated specimen with better coulombic efficiency displayed a preferable cycling performance and exhibited excellent reversible charge-discharge capacity, while the unlithiated MoO2 exhibited more irreversible behavior. This conclusion was also supported by , the fraction loss per cycle, which was 2.5% and 5.2% for the lithiated and unlithiated MoO2, respectively. Finally, the XRD patterns for the lithitated and unlithiated MoO2 showed that the former retained better crystallization than the latter after a 15-cycle charge-discharge process.
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