期刊
ELECTROCHIMICA ACTA
卷 55, 期 19, 页码 5440-5445出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2010.04.095
关键词
Amorphous LiCoO2 thin film; Cathode material; Li1+x+yAlxTi2-xSiyP3-yO12; All-solid-state Li-ion batteries; Radio frequency magnetron sputtering
资金
- Zijin Program of Zhejiang University, China
Amorphous LiCoO2 thin films were deposited on the NASICON-type glass ceramics, Li1+x+yAlxTi2-xSiyP3-yO12 (LATSP), by radio frequency (RF) magnetron sputtering below 180 degrees C. The as-deposited LiCoO2 thin films were characterized by X-ray diffraction, scanning electron microscopy and atomic force microscope. All-solid-state Li/PEO18-Li (CF3SO2)(2)N/LATSP/LiCoO2/Au cells were fabricated using the amorphous film. The electrochemical performance of the cells was investigated by galvanostatic cycling, cyclic voltammetry, potentiostatic intermittent titration technique and electrochemical impedance spectroscopy. It was found that the amorphous LiCoO2 thin film shows a promising electrochemical performance, making it a potential application in microbatteries for microelectronic devices. (C) 2010 Elsevier Ltd. All rights reserved.
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