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	Temperature dependent ionic transport properties in composite solid polymer electrolytes
	Wang, Xiao-Liang ; Fan, Li-Zhen ; Xu, Zhi-Han ; Lin, Yuan-Hua ; Nan, Ce-Wen
	2010-05-10 ; 2010-05-10
会议名称	SOLID STATE IONICS ; 16th International Conference on Solid State Ionics ; Shanghai, PEOPLES R CHINA ; Web of Science
关键词	lithium transference number lithium conduction composite solid polymer electrolyte mesoporous silica poly (ethylene oxide) MESOPOROUS SILICA LITHIUM BATTERIES CONDUCTIVITY CONDUCTORS STORAGE NMR Chemistry, Physical Physics, Condensed Matter
中文摘要	In the present work, temperature dependent lithium transference number T-Li(+) of poly (ethylene oxide)/LiClO4 composite solid polymer electrolytes containing mesoporous silica SBA-15 was studied. T-Li(+) reaches a low value around the melting point (T-m) of the polymer electrolyte and increases as temperature deviates from T-m, which is due to the different mechanisms of lithium conduction and anion conduction. While the anion transport mainly involves hopping between free volumes large enough to accommodate the ions, lithium ions are transferred by making and breaking of bonds with motion between coordinating sites. In comparison with the polymer electrolyte without SBA-15, the composite polymer electrolytes containing SBA-15 exhibit higher values of T-Li(+) and lithium conductivity. (c) 2008 Elsevier B.V All rights reserved.
会议录出版者	ELSEVIER SCIENCE BV ; AMSTERDAM ; PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
语种	英语 ; 英语
内容类型	会议论文
源URL	[http://hdl.handle.net/123456789/18117]
专题	清华大学
推荐引用方式 GB/T 7714	Wang, Xiao-Liang,Fan, Li-Zhen,Xu, Zhi-Han,et al. Temperature dependent ionic transport properties in composite solid polymer electrolytes[C]. 见:SOLID STATE IONICS, 16th International Conference on Solid State Ionics, Shanghai, PEOPLES R CHINA, Web of Science.

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