Electrochemical studies on polymer electrolytes based on poly(methyl methacrylate)-grafted natural rubber for lithium polymer battery

被引：49

作者：

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

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

Bahron, H. ^{[1
]}

Subban, R. H. Y. ^{[1
]}

机构：

[1] Univ Teknol MARA, Fac Sci Appl, Shah Alam 40450, Selangor, Malaysia

来源：

IONICS | 2006年 / 12卷 / 4-5期

关键词：

gel polymer electrolytes; methyl-grafted natural rubber; lithium polymer battery;

D O I：

10.1007/s11581-006-0052-0

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

MG30 is natural rubber grafted with 30% poly (methyl methacrylate). Gel polymer electrolytes containing MG30-LiCF3SO3-X (X=propylene carbonate, ethylene carbonate) are prepared by solution casting technique. The polymer-salt complexes were investigated using Fourier-transformed infrared. The ionic conductivity of the electrolytes are determined by the ac impedance studies over the temperature range of 303-383 K and is observed to obey the Vogel-Tamman-Fulcher (VTF) rule. The Li+ transference number obtained using the Bruce and Vincent method is <0.3. The Li/Li+ interface stability is established and the electrolytes were found to be able to withstand a voltage of more than 4.2 V.

引用

页码：303 / 307

页数：5

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