Thermal, electrical and mechanical properties of (PEO)16LiClO4 electrolytes with modified montmorillonites

被引：45
|
作者：
Fan, LZ [1 ]
Nan, CW [1 ]
Li, M [1 ]
机构：
[1] Tsing Hua Univ, Dept Mat Sci & Engn, Beijing 100084, Peoples R China
来源：
CHEMICAL PHYSICS LETTERS | 2003年 / 369卷 / 5-6期
关键词：
D O I：
10.1016/S0009-2614(03)00043-5
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：
This Letter reports the thermal, electrical and mechanical properties of the (PEO)(16)LiClO4 based composite polymer electrolytes with modified montmorillonites as fillers. As modified montmorillonites are added, the glass transition temperature and the heat of melting decrease, indicating the higher flexibility of PEO chain. Wide-angle X-Ray diffraction patterns indicate the intercalation of PEO into montmorillonite. The addition of modified montmorillonites enhances the ionic conductivity of the PEO based electrolyte by several times to tens more than the plain system. The mechanical properties of the polymer electrolyte films are related to the morphology of montmorillonites in the polymer matrix. (C) 2003 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：698 / 702
页数：5
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