Journal
SOLID STATE IONICS
Volume 148, Issue 3-4, Pages 351-358Publisher
ELSEVIER
DOI: 10.1016/S0167-2738(02)00073-5
Keywords
lithium battery; layered; cathode material; cation mixing; pillaring effect
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The effects of doping with Ti and non-transition metal ions Mg/Al/Zn in LiNi0.8Co0.2O2 on the structural and electrochemical properties were studied. Structural analysis by X-ray diffraction (XRD) revealed that except for the Mg-doped system, there was a high degree of cation mixing, which led to decreases in capacity. However, the systems showed cycling stability. The Mg-doped system had a good capacity of 150 mAh/g over 30 cycles. (C) 2002 Elsevier Science B.V. All rights reserved.
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