Solid state polymeric electrolytes based on poly(epichlorohydrin)

被引：63
|
作者：
Silva, GG
Lemes, NHT
daFonseca, CNP
DePaoli, MA
机构：
[1] UNICAMP,INST QUIM,LAB POLIMEROS CONDUTORES,BR-13081970 CAMPINAS,SP,BRAZIL
[2] UFMG,ICEX,DEPT QUIM,BR-31270901 BELO HORIZONT,MG,BRAZIL
来源：
SOLID STATE IONICS | 1996年 / 93卷 / 1-2期
关键词：
solid state electrolytes; polymeric electrolytes; plasticizers; thermal behaviour; ionic conductivity;
D O I：
10.1016/S0167-2738(96)00493-6
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：
Elastomers constituted of the homopolymer of epichlorohydrin, its copolymer with ethylene oxide and its terpolymer with ethylene oxide and allyl-glycidyl-ether were studied as polymeric electrolytes in polymer/LiClO4 systems. The variation of the ionic conductivity with salt concentration indicated that the copolymer and the terpolymer show the highest conductivities, ca. 10(-5) S cm(-1) at 30 degrees C. Also, the fitting of the ionic conductivity versus inverse of temperature curves with the VTF equation indicated a conductivity mechanism similar to poly(ethylene oxide) for the copolymer and the terpolymer. The potential stability window determined by cyclic voltammetry is 3.5 V and the polymers are stable to heating up to 250 degrees C. These results confirm the feasibility of using the copolymer and the terpolymer systems with LiClO4 as polymeric solid state electrolytes.
引用
收藏
页码：105 / 116
页数：12
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