Conductivity modification of polymer gel electrolytes: addition of MG49 and SiO2

被引：1

作者：

Kamisan, A. S. ^{[1
]}

Ali, A. M. M. ^{[1
]}

Yahya, M. Z. A. ^{[1
]}

机构：

[1] Univ Teknol MARA, Ion Mat & Devices Res Lab, Fac Sci Appl, Shah Alam 40450, Malaysia

来源：

MATERIALS RESEARCH INNOVATIONS | 2011年 / 15卷

关键词：

MG49; Ammonium triflate; Composite electrolytes; Viscosity; COMPOSITE; TRANSPORT; PMMA;

D O I：

10.1179/143307511X13031890748696

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Forty-nine per cent methyl grafted natural rubber (MG49) based polymer gel electrolytes containing ammonium trifluoromethanesulphonate (NH4CF3SO3) show higher conductivity than liquid electrolytes. This behaviour is explained by the 'breathing polymeric chain' model. The polymer gel electrolyte is dispersed with silicon dioxide (SiO2) to improve its physical properties and retain its conductivity in the order of 10(-3) S cm(-1) at room temperature (27 degrees C). The two maxima peaks are observed in the SiO2 concentration dependence conductivity and hence are best explained by percolation theory. A proton cell is fabricated using the highest conductivity of the composite polymer gel electrolyte, and the cell shows a specific energy of 11.04 W h kg(-1) and a specific power of 0.75 W kg(-1).

引用

页码：153 / 156

页数：4

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