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	In situ microscope FTIR spectroscopic studies of interfacial reactions of Sn-Co alloy film anode of lithium ion battery
	Li, Jun-Tao ; Li JT(李君涛) ; Chen, Shu-Ru ; Ke, Fu-Sheng ; Wei, Guo-Zhen ; Huang, Ling ; Sun, Shi-Gang ; Sun SG(孙世刚)
	2010-11
关键词	In situ MFTIRS Interfacial reactions Sn-Co alloy thin film Anode SEI layer Lithium ion battery
英文摘要	Sn-Co alloy thin films with high IR reflectivity were prepared by electroplating on a copper substrate and served as anodes of lithium ion battery The interfacial properties of the Sn-Co alloy anode in an electrolyte of 1 M LiPF6/EC + DMC (1 1 vol %) during discharge/charge (or lithiation/delithiation) processes were investigated by using in situ microscope Fourier transform Infrared reflection spectroscopy (in situ MFTIRS) The results demonstrated that the solvation/desolvation reactions of lithium ions with solvent molecules in discharge/charge processes vary with the concentration of both solvated and free solvent molecules leading to the shift of C=O C-O and C-H IR bands The effect of solvation/desolvation which provides a possibility to probe the lithiation/delithiation processes by in situ MFTIRS is observed and analyzed clearly The solid electrolyte interphase (SEI) layer on a cycled Sn-Co alloy anode has also been investigated by ex situ MFTIRS which determined that the main chemical composition of the SEI layer is ROCO2Li The current studies are of significance in understanding the interfacial reactions involving in lithium ion battery at molecular level (C) 2010 Elsevier B V All rights reserved; Special Funds for Major State Basic Research Project of China [2009CB220102]; NSFC [20833005, 20773102, 20910088]
语种	英语
出版者	ELSEVIER SCIENCE SA
内容类型	期刊论文
源URL	[http://dspace.xmu.edu.cn/handle/2288/3643]
专题	化学化工－已发表论文
推荐引用方式 GB/T 7714	Li, Jun-Tao,Li JT,Chen, Shu-Ru,et al. In situ microscope FTIR spectroscopic studies of interfacial reactions of Sn-Co alloy film anode of lithium ion battery[J],2010.
APA	Li, Jun-Tao.,李君涛.,Chen, Shu-Ru.,Ke, Fu-Sheng.,Wei, Guo-Zhen.,...&孙世刚.(2010).In situ microscope FTIR spectroscopic studies of interfacial reactions of Sn-Co alloy film anode of lithium ion battery..
MLA	Li, Jun-Tao,et al."In situ microscope FTIR spectroscopic studies of interfacial reactions of Sn-Co alloy film anode of lithium ion battery".(2010).

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