Conductivity and thermal studies of solid polymer electrolytes prepared by blending poly(ethylene oxide), poly(oligo[oxyethylene]oxysebacoyl) and lithium perchlorate

被引：81
|
作者：
Kim, DW
Park, JK
Rhee, HW
机构：
[1] KOREA ADV INST SCI & TECHNOL,DEPT CHEM ENGN,TAEJON 305701,SOUTH KOREA
[2] SOGANG UNIV,DEPT CHEM ENGN,SEOUL 121742,SOUTH KOREA
来源：
SOLID STATE IONICS | 1996年 / 83卷 / 1-2期
关键词：
ionic conductivity; polymer electrolyte; thermal property; transport number;
D O I：
10.1016/0167-2738(95)00238-3
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：
Blend-based polymer electrolytes composed of poly(ethylene oxide)(PEO), poly(oligo[oxyethylene]oxysebacoyl)(PES) and lithium perchlorate have been prepared. The characteristics of these polymer electrolytes were investigated in terms of blend composition and salt concentration, The addition of PEO to PES/LiClO4 complex significantly improved the dimensional stability with a slight decrease in the latter's ionic conductivity. The PEO(40)/PES(60)/LiClO4 electrolyte at [LiClO4]/[EO] = 0.10 exhibited an ionic conductivity of 3 x 10(-5) S/cm at 25 degrees C, and was an elastomeric material with dimensional stability. The lithium transport number in this system was determined to be about 0.37 at 40 degrees C.
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页码：49 / 56
页数：8
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