The effects of the stoichiometry and synthesis temperature on the preparation of the inverse spinel LiNiVO4 and its performance as a new high voltage cathode material

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题名:	The effects of the stoichiometry and synthesis temperature on the preparation of the inverse spinel LiNiVO4 and its performance as a new high voltage cathode material
作者:	Fey,GTK;Dahn,JR;Zhang,MJ;Li,W
贡献者:	化學工程與材料工程學系
关键词:	POWDER DIFFRACTION;RIETVELD ANALYSIS
日期:	1997
上传时间:	2010-06-29 17:31:30 (UTC+8)
出版者:	中央大學
摘要:	The high temperature solid-state reaction between LiNiO2 and V2O3 (or V2O5) in air used to prepare LiNiVO4 has been further studied. This quarternary Li-Ni-V-O reaction is strongly dependent on reaction temperature and lithium stoichiometry in LixNi2-xO2 and has produced a highly crystalline LiNiVO4 material whose structure has been confirmed to be an inverse spinel by Rietveld analysis with a Bragg R-factor of 1.18 in the absence of crystal orientation preference. The cell performance of LiNiVO4 prepared at various temperatures or by varying x-values in LixNi2-xO2 has been examined in lithium coin cells and indicated that preparation at low temperatures or when x = 0.89 provided an electrode material with higher cell capacity. (C) 1997 Elsevier Science S.A.
關聯:	JOURNAL OF POWER SOURCES
显示于类别:	[化學工程與材料工程研究所] 期刊論文

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