BLOCK-COPOLYMERS OF POLY(ETHYLENE OXIDE) MATERIALS FOR POLYMER ELECTROLYTES (TRANSPORT-PROPERTIES)

被引：2
|
作者：
LOBITZ, P
REICHE, A
FULLBIER, H
机构：
[1] Department of Chemistry, Ernst-Moritz-Arndt-University of Greifswald, 2200 Greifswald, D(O)
来源：
JOURNAL OF POWER SOURCES | 1993年 / 44卷 / 1-3期
关键词：
D O I：
10.1016/0378-7753(93)80190-Z
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：
The present paper deals with transport properties of polymer electrolytes as mixtures of block copolymers of poly(ethylene oxide) and lithium iodide. By combination of impedance measurements and d.c. polarization methods for a symmetrical cell it was possible to calculate the transport numbers of mobile ions in the system. It has been found that the transport numbers of these electrolytes depend on composition and also on temperature. The electrolyte resistance and the electrode resistance depend in the same way on the content of lithium iodide in the polymer electrolytes. The relation between passivating layers on the electrodes and the shape of impedance plots is discussed in detail.
引用
收藏
页码：467 / 472
页数：6
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