Ionic conductivity of alkali-metal carboxylated dendritic poly(amidoamine) electrolytes and their lithium perchlorate salt complex

被引：11

作者：

Gong, AJ ^{[1
]}

Liu, CY ^{[1
]}

Chen, YM ^{[1
]}

Chen, CF ^{[1
]}

Xi, F ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Chem, Ctr Mol Sci, Beijing 100080, Peoples R China

来源：

POLYMER | 2000年 / 41卷 / 16期

基金：

中国国家自然科学基金;

关键词：

dendritic electrolyte; ionic conductivity; alkali-metal carboxylated dendritic poly(amidoamine);

D O I：

10.1016/S0032-3861(99)00838-1

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The ionic conductive dendrimer electrolytes, prepared by the terminal alkali-metal (Li+, Na+, K+) carboxylation of poly(amidoamine) (PAMAM) of generation 2.5 and 3.5, exhibit a conductivity of 10(-5)-10(-6) S cm(-1) at 30 degrees C The temperature and frequency dependence of ion conductivity are investigated. It is found that the temperature dependence fits neither the WLF mechanism nor the Arrhenius equation; this is attributed to the unique molecular structure of the dendrimer. Blending of lithium carboxylated PAMAM with lithium perchlorate is carried out and results in improved conductivity. (C) 2000 Elsevier Science Ltd. All rights reserved.

引用

页码：6103 / 6111

页数：9

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