کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9760518 | 1498050 | 2005 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
A novel comb-like copolymer based polymer electrolyte for Li batteries
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
الکتروشیمی
پیش نمایش صفحه اول مقاله

چکیده انگلیسی
Polymer electrolytes, which comprise a novel comb-like copolymer and an alkali metal salt, were successfully prepared and discussed using differential scanning calorimeter, Fourier transform infrared spectroscopy, nuclear magnetic resonance, atom force microscopy, and electrochemical impedance spectroscopy. The novel comb-like copolymer is capable of forming donor:acceptor type bonds with alkali metal ions. The complex system with a mixture of fumed silica or propylene carbonate was studied also. Such electrolytes possess satisfactory ambient temperature ionic conductivity (up to 10â4Â SÂ cmâ1) and good mechanical strength. The Vogel-Tamman-Fulcher-like behavior of conductivity implies the coupling of the charge carriers with the segmental motion of the polymer chains.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Power Sources - Volume 139, Issues 1â2, 4 January 2005, Pages 223-229
Journal: Journal of Power Sources - Volume 139, Issues 1â2, 4 January 2005, Pages 223-229
نویسندگان
Mingkui Wang, Li Qi, Feng Zhao, Shaojun Dong,