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	Urea as an additive for solid polymer electrolyte
	Ding, Zhang ; Hui, Yan ; Lu, Qi
	2010
英文摘要	Solid polymer electrolyte (SPE) takes great potential for lithium ion polymer battery that adopts lithium metal as anode. In this work, a new solid polymer electrolyte PEO20-LiTf-Urea was prepared by solution casting technique. And the Tg-DTA?ATR-IR spectra and electrochemical features were measured. Addition of urea increases the ionic conductivity at high temperatures, and generally a conductivity of more than 10-3S/cm is yielded. And the addition of urea hardly decreases the high thermal stability of the SPE. Furthermore, it is revealed that urea results in significant enhanced electrochemical stability window (from 2V to 2.5V) and augmented cation transference character. The data supports the potential application of PEO-based SPE for high voltage cathodes (i.e. LiCoO2 and LiCo 1/3Ni1/3Mn1/3O2).; EI; 0
语种	英语
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/330258]
专题	化学与分子工程学院
推荐引用方式 GB/T 7714	Ding, Zhang,Hui, Yan,Lu, Qi. Urea as an additive for solid polymer electrolyte. 2010-01-01.

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