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	Synthesis and electrochemical characterization of PEO-based polymer electrolytes with room temperature ionic liquids
	Cheng, Hu ; Zhu, Changbao ; Huang, Bin ; Lu, Mi ; Yang, Yong ; Yang Y(杨勇)
	2007-03
关键词	ionic conductivity gel polymer electrolytes ionic liquid lithium polymer battery 1-butyl-4-methylpyridinium bis(trifluoromethanesulfonyl)imide
英文摘要	New gel polymer electrolytes containing 1-butyl-4-methylpyridinium bis(trifluoromethanesulfonyl)imide (BMPyTFSI) ionic liquid are prepared by solution casting method. Thermal and electrochemical properties have been determined for these gel polymer electrolytes. The addition of BMPyTFSI to the P(EO)(20)LiTFSI electrolyte results in an increase of the ionic conductivity, and at high BMPyTFSI concentration (BMPy+/Li+ = 1.0), the ionic conductivity reaches the value of 6.9 x 10(-4) S/cm at 40 degrees C. The lithium ion transference numbers obtained from polarization measurements at 40 degrees C were found to decrease as the amount of BMPyTFSI increased. However, the lithium ionic conductivity increased with the content of BMPyTFSI. The electrochemical stability and interfacial stability for these gel polymer electrolytes were significantly improved due to the incorporation of BMPyTFSI. (C) 2007 Published by Elsevier Ltd.
语种	英语
出版者	PERGAMON-ELSEVIER SCIENCE LTD
内容类型	期刊论文
源URL	[http://dx.doi.org/doi:10.1016/j.electacta.2007.02.062]
专题	化学化工－已发表论文
推荐引用方式 GB/T 7714	Cheng, Hu,Zhu, Changbao,Huang, Bin,et al. Synthesis and electrochemical characterization of PEO-based polymer electrolytes with room temperature ionic liquids[J],2007.
APA	Cheng, Hu,Zhu, Changbao,Huang, Bin,Lu, Mi,Yang, Yong,&杨勇.(2007).Synthesis and electrochemical characterization of PEO-based polymer electrolytes with room temperature ionic liquids..
MLA	Cheng, Hu,et al."Synthesis and electrochemical characterization of PEO-based polymer electrolytes with room temperature ionic liquids".(2007).

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