Spectroscopic studies on cation-doped spinel LiMn2O4 for lithium ion batteries

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	Spectroscopic studies on cation-doped spinel LiMn2O4 for lithium ion batteries
	Wu, C ; Wang, ZX ; Wu, F ; Chen, LQ ; Huang, XJ
刊名	SOLID STATE IONICS
	2001
卷号	144 期号:3-4 页码:277
关键词	MANGANESE OXIDES CATHODE
ISSN号	0167-2738
通讯作者	Huang, XJ (reprint author), Beijing Inst Technol, Sch Chem Engn & Mat Sci, Beijing 100081, Peoples R China.
中文摘要	Raman spectroscopy, Fourier transform infrared spectroscopy (FTIR) and X-ray photoelectron spectroscopy (XPS) have been employed to characterize the structural and valence changes of cation-doped LiMn2O4 spinels. It is found that the spectral features of the cation-doped spinels are sensitive to the dopant content, the structure of the MO6 (M = Li, Mn, Cr) groups, the charge distribution and the average oxidation state of Mn. Some new Raman bands have been observed in the low-frequency regions of the spectra of the heavy-doped LixMn2-yCrzO4 (z greater than or equal to 0.2). These new bands are attributed to the vibrations of the Cr-O bonds. XPS study demonstrates a conversion of Cr3+ to Cr6+ with increasing Cr content in LixMn2-yCrzO4. Based on the above results, the effects of cation doping on the structural variation of the spinels are discussed. (C) 2001 Elsevier Science B.V. All rights reserved.
收录类别	SCI
语种	英语
公开日期	2013-09-24
内容类型	期刊论文
源URL	[http://ir.iphy.ac.cn/handle/311004/52853]
专题	物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文
推荐引用方式 GB/T 7714	Wu, C,Wang, ZX,Wu, F,et al. Spectroscopic studies on cation-doped spinel LiMn2O4 for lithium ion batteries[J]. SOLID STATE IONICS,2001,144(3-4):277.
APA	Wu, C,Wang, ZX,Wu, F,Chen, LQ,&Huang, XJ.(2001).Spectroscopic studies on cation-doped spinel LiMn2O4 for lithium ion batteries.SOLID STATE IONICS,144(3-4),277.
MLA	Wu, C,et al."Spectroscopic studies on cation-doped spinel LiMn2O4 for lithium ion batteries".SOLID STATE IONICS 144.3-4(2001):277.