کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5211669 | 1382964 | 2006 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Gel polymer electrolytes prepared by in situ polymerization of vinyl monomers in room-temperature ionic liquids
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی آلی
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چکیده انگلیسی
In situ free radical polymerization of compatible vinyl monomers (methyl methacrylate, MMA) in a room temperature ionic liquid (1-butyl-3-methylimidazolium hexafluorophosphate, BMIPF6), obtained a novel series of gel polymer electrolytes (GPEs) with high ionic conductivity. The resulting polymer gels were flexible, transparent and high conductive films. Their glass transition temperatures decreased with increasing mass fraction of BMIPF6 and behaved as a completely compatible binary system. Analysis of FT-IR spectra showed that there existed an interaction between BMIPF6 and PMMA polymer matrix in the GPEs. The temperature dependence of the ionic conductivity of the polymer electrolyte films followed the Vogel-Tamman-Fulcher (VTF) equation, and the ionic conductivity at ambient temperature reached a value close to 10â3Â SÂ cmâ1. Then the performance of capacitors applying the GPEs was determined by cyclic voltammetry, impedance spectroscopy and galvanostatic charging and discharging.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Reactive and Functional Polymers - Volume 66, Issue 10, October 2006, Pages 1141-1148
Journal: Reactive and Functional Polymers - Volume 66, Issue 10, October 2006, Pages 1141-1148
نویسندگان
Jing Jiang, Deshu Gao, Zhaohui Li, Guangyao Su,