IONIC-CONDUCTIVITY AND H-1-NMR STUDY OF PEO-BASED POLYMER ELECTROLYTES

被引：5
|
作者：
MENGE, H [1 ]
STEURICH, T [1 ]
机构：
[1] MARTIN LUTHER UNIV HALLE WITTENBERG,INST TECH & MAKROMOLEK CHEM,FACHBEREICH CHEM,D-06217 MERSEBURG,GERMANY
来源：
ELECTROCHIMICA ACTA | 1994年 / 39卷 / 13期
关键词：
GEL ELECTROLYTE; NMR; RELAXATION TIMES; OLIGO(ETHYLENE GLYCOL) METHACRYLATE; IONIC CONDUCTIVITY;
D O I：
10.1016/0013-4686(94)85075-5
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
The temperature dependence of proton NMR relaxation times T1 and T1rho has been studied for crosslinked films based on oligo(ethylene glycol) methacrylate containing LiCF3SO3 and correlated to ionic conductivity measurements. The NMR relaxation times and the ionic mobility are strongly influenced by polymer segmental motion. The influence of crosslink density and plasticizer is discussed in terms of a self-contribution of the polymer matrix to the ionic conductivity. A significant influence of the PEO-sequences in the O(EG)(n)DMA network to the conductivity behaviour of the gel electrolytes investigated was observed for n greater-than-or-equal-to 9.
引用
收藏
页码：1971 / 1975
页数：5
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