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- Title
Synthesis and electrochemical properties of LiNi<sub>0.9-x</sub>Co<sub>0.1</sub>Sn<sub>x</sub>O<sub>2</sub> as cathode materials for lithium secondary batteries.
- Authors
Xiaoling Ma; Chiwei Wang; Jinguo Cheng; Jutang Sun
- Abstract
Abstract LiNi0.9-x Co0.1Sn x O2 (x = 0.00, 0.02, and 0.03) were synthesized via the rheological phase reaction method and characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and electrochemical tests. The sample of LiNi0.9-x Co0.1Sn x O2 (x = 0.02) not only shows good cycle performance but also exhibits an excellent discharge capacity of 188 mAh/g in the first cycle at a current density of 100 mA/g in the voltage range of 3.0–4.3 V. The tin doping results in reducing the resistance and increasing conductivity of LiNi0.9-x Co0.1Sn x O2. This composite oxide is promising as cathode material for lithium-ion battery.
- Subjects
LITHIUM; CATHODES; X-ray diffraction; SCANNING electron microscopy
- Publication
Journal of Solid State Electrochemistry, 2007, Vol 11, Issue 9, p1139
- ISSN
1432-8488
- Publication type
Article
- DOI
10.1007/s10008-006-0251-7