کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9783216 | 1511871 | 2005 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
PAN-PEO solid polymer electrolytes with high ionic conductivity
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
مواد الکترونیکی، نوری و مغناطیسی
پیش نمایش صفحه اول مقاله

چکیده انگلیسی
The transparent and flexible solid polymer electrolytes (SPEs) are fabricated from polyacrylonitrile-polyethylene oxide (PAN-PEO) copolymer. The formation of the copolymer is confirmed by Fourier-transform infrared spectroscopy (FTIR) and Gel permeation chromatography (GPC) measurements. The effects of acrylonitrile (AN) wt% content and Mn(PEO) on ionic conductivity are investigated by alternating current (ac) impedance spectroscopy. By controlling and adjusting the AN wt% content and doping PEO with high molecular weight, the ionic conductivity of SPEs is optimized. The ionic conductivity of PAN-PEO solid polymer electrolytes is found to be high 6.79 Ã 10â4 S cmâ1 at 25 °C with an [EO]/[Li] ratio of about 10, and are electrochemically stable up to about 4.8 V versus Li/Li+. The conductivity and interfacial resistance remain almost constant even at 80 °C.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Materials Chemistry and Physics - Volume 89, Issues 2â3, 15 February 2005, Pages 390-394
Journal: Materials Chemistry and Physics - Volume 89, Issues 2â3, 15 February 2005, Pages 390-394
نویسندگان
Fang Yuan, Hong-Zheng Chen, Hui-Ying Yang, Han-Ying Li, Mang Wang,