期刊
JOURNAL OF POWER SOURCES
卷 159, 期 2, 页码 1365-1369出版社
ELSEVIER
DOI: 10.1016/j.jpowsour.2005.12.011
关键词
lithium batteries; manganese dioxides; structural properties; diffusion coefficient
Li0.33MnO2 was prepared by solid-state reaction of CMD oxide and a lithium salt. The structure was studied by X-ray diffraction and Raman scattering during electrochemical discharging. The possibility of application as a positive electrode inrechargeable lithium batteries was investigated. The electrochemical properties of Li//Li0.33MnO2 cells were studied as a function of temperature in the range 25-55 degrees C. The electrode material delivers an initial capacity of 194 mAh g(-1) and shows good reversibility at room temperature. Finally, the lithium insertion mechanism was examined by the determination of the ion kinetics. (c) 2006 Elsevier B.V. All rights reserved.
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