Preparation and characterization of sol-gel derived LixCoO 2 ceramics

被引：0
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作者：
Dept. of Material Science and Technology, School of High-Technology for Human Welfare, Tokai University, 317 Nishino, Numazu, Shizuoka 410-0318, Japan [1 ]
机构：
来源：
Funtai Oyobi Fummatsu Yakin | 2006年 / 8卷 / 647-650期
关键词：
Cobalt - Fourier transform infrared spectroscopy - Heating - Lithium compounds - Multilayers - Sol-gels - Thermogravimetric analysis;
D O I：
10.2497/jjspm.53.647
中图分类号：
学科分类号：
摘要：
The LixCoO2 gels are prepared using a sol-gel route from cobalt(III) acetylacetonate Co(OAc)2 and LiOH, and their structural changes with temperature are investigated using thermal gravimetric analyses, X-ray diffraction, scanning electron microscopy and Fourier transform infrared spectroscopy. The results indicate that LixCoO2 is obtained by heating the gels at temperatures as low as 673 K in air, by adding an aqueous NH4OH to enhance a decomposition of Acetylacenate. Furthermore, LixCoO2 obtained by heating the gels at 1123 K shows a multilayer of thin crystals with a well-developed 003 diffraction.
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