Physicochemical Properties of PEMA-MgTf2-EMITFSI Polymer Electrolytes

被引：2

作者：

Zain, N. F. ^{[1
]}

Zainal, N. ^{[2
]}

Mohamed, N. S. ^{[2
]}

机构：

[1] Univ Malaya, Inst Grad Studies, Kuala Lumpur 50603, Malaysia

[2] Univ Malaya, Ctr Fdn Studies Sci, Kuala Lumpur 50603, Malaysia

来源：

SCIENCE OF ADVANCED MATERIALS | 2016年 / 8卷 / 06期

关键词：

Polymer Electrolytes; PEMA; Ionic Liquid; Linear Sweep Voltammetry; IONIC-LIQUID; CONDUCTIVITY ENHANCEMENT; BLEND; SYSTEM; SALT; TRIFLATE;

D O I：

10.1166/sam.2016.2721

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The present work was carried out to investigate the effects of MgTf2 and EMITFSI ionic liquid on the physicochemical properties of PEMA based electrolytes. Free-standing polymer electrolyte films consisting of poly(ethyl methacrylate), magnesium triflate salt and 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl) imide ionic liquid were prepared at different weight percentage ratios (wt%) using the solution casting technique. The interactions between the electrolyte constituents were confirmed using Fourier transform infrared spectroscopy. The conductivity of the films was influenced by the content of the doping salt and ionic liquid. The conductivity behavior was then correlated with the results of differential scanning calorimetry. The highest ionic conductivity of 1.72x10(-6) S cm(-1) at room temperature and 1.97x10(-4) S cm(-1) at 100 degrees C was achieved for the sample containing 20 wt% of salt and 30 wt% of ionic liquid. The sample exhibited a wide electrochemical potential stability window between -4.19 to +3.74 V.

引用

页码：1195 / 1199

页数：5

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