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Lithiated MoO 2 Nanorods with Greatly Improved Electrochemical Performance for Lithium Ion Batteries
Author(s) -
Zhang Xia,
Zeng Xianzhong,
Yang Min,
Qi Yanxing
Publication year - 2014
Publication title -
european journal of inorganic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 1434-1948
DOI - 10.1002/ejic.201301249
Subject(s) - nanorod , faraday efficiency , chemistry , lithium (medication) , electrochemistry , crystallization , ion , hydrothermal circulation , chemical engineering , current density , electrode , organic chemistry , medicine , physics , quantum mechanics , engineering , endocrinology
Highly uniform MoO 2 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 MoO 2 nanorods possessed a similar crystalline structure to the unlithiated sample. At a current density of 20 mA g –1 , the lithiated specimen with better coulombic efficiency displayed a preferable cycling performance and exhibited excellent reversible charge‐discharge capacity, while the unlithiated MoO 2 exhibited more irreversible behavior. This conclusion was also supported by δ , the fraction loss per cycle, which was 2.5 % and 5.2 % for the lithiated and unlithiated MoO 2 , respectively. Finally, the XRD patterns for the lithitated and unlithiated MoO 2 showed that the former retained better crystallization than the latter after a 15‐cycle charge‐discharge process.