期刊
MATERIALS RESEARCH BULLETIN
卷 37, 期 14, 页码 2345-2353出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0025-5408(02)00975-3
关键词
thin films; thermogravimetric analysis; X-ray diffraction; electrochemical properties
Cathode material LiMn2O4 thin films were prepared by aqueous solution deposition using lithium acetate and manganese acetate as starting materials. The structures, morphologies, and the first discharge specific capacity of the thin films were investigated as a function of annealing temperature and time. The cycling properties of the thin films were also examined. The results show that LiMn2O4 thin films prepared by this method are homogenous and crack-free. The thin film annealed at 750degreesC for 30 min has good rechargeability. The capacity loss per cycle is about 0.05% after being cycled 100 times. (C) 2002 Elsevier Science Ltd. All rights reserved.
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