期刊
CURRENT APPLIED PHYSICS
卷 16, 期 3, 页码 226-230出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cap.2015.12.014
关键词
Na0.6Li0.6[Mn0.72Ni0.18Co0.10]O-2 composites; Sodium substitution; Cathode materials; Electrochemical performance; Li-ion battery
资金
- Ministry of Science, ICT & Future Planning [2012M2A8A5025655]
The Na0.6Li0.6[Mn0.72Ni0.18Co0.10]O-2 with well crystallized and high specific capacity is prepared by doping of Na and Li for Li and Na ion battery. The Na0.6Li0.6[Mn0.72Ni0.18Co0.10]O-2 composite is easily synthesized by molten-salt method. The effects of annealing temperature, time, Na contents, and electrochemical performance are investigated. In XRD analysis, the substitution of Na-ion resulted in the P2-Na2/3MO2 structure (Na0.70MO2.05), which co-exists in the Na0.6Li0.6[Mn0.72Ni0.18Co0.10]O-2 composites. The discharge capacities of cathode materials exhibited 284 mAh g(-1) for Li and 237 mAh g(-1) for Na ion battery with higher initial coulombic efficiency. (C) 2015 Elsevier B.V. All rights reserved.
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