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Journal of the Electrochemical Society, Vol.161, No.14, A2160-A2167, 2014
Advances in Stabilizing'Layered-Layered' xLi(2)MnO(3) center dot (1-x)LiMO2 (M=Mn, Ni, Co) Electrodes with a Spinel Component
Composite electrode structures with layered and spinel components have been investigated to evaluate the possibility of arresting or suppressing the voltage fade observed on cycling high capacity, lithium-and manganese-rich 'layered-layered' xLi(2)MnO(3)center dot(1-x)LiMO2 (M=Mn, Ni, Co) electrodes in lithium cells. Control of the spinel content in 'layered-layered-spinel' electrode materials and regulating the electrochemical voltage window of the lithium cells enables a capacity of approximately 190 mAh/g with little voltage fade. The results bode well for enhancing the electrochemical properties and structural stability of composite electrode structures on long-term cycling in lithium-ion batteries. (C) 2014 The Electrochemical Society. All rights reserved.