PHYSICAL-PROPERTIES OF SOLID POLYMER ELECTROLYTE PEO(LITFSI) COMPLEXES

被引：322

作者：

GORECKI, W ^{[1
]}

JEANNIN, M ^{[1
]}

BELORIZKY, E ^{[1
]}

ROUX, C ^{[1
]}

ARMAND, M ^{[1
]}

机构：

[1] INST NATL POLYTECH GRENOBLE, IONIQUE & ELECTROCHIM SOLIDES LAB, CNRS, UA 1213, F-38402 ST MARTIN DHERES, FRANCE

来源：

JOURNAL OF PHYSICS-CONDENSED MATTER | 1995年 / 7卷 / 34期

关键词：

D O I：

10.1088/0953-8984/7/34/007

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The physical properties of the ionic conductor, obtained by dissolution of lithium trifluoromethanesulphonylimide in polyethylene oxide, (PEOLi+[(CF3SO2)(2)N](-) have been investigated for several values of n. The phase diagram has been established from both DSC and NMR techniques. The diffusion coefficients of Li-7 and F-19 containing species, determined by the pulsed magnetic field gradient (PMFG) technique, are interpreted as the measures of the cationic and anionic transport numbers, which are concentration dependent, and t(+) reaches a value close to 0.3. This study is complemented by a systematic analysis of the behaviour of the Li-7 relaxation time T-1 versus temperature and concentration which is correlated to the glass temperature T-g.

引用

页码：6823 / 6832

页数：10

共 39 条

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