Nanocomposite polymer electrolyte based on Poly(ethylene oxide) and solid super acid for lithium polymer battery

被引：91
|
作者：
Xi, JY [1 ]
Tang, XZ [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Sch Chem & Chem Technol, Shanghai 200240, Peoples R China
来源：
CHEMICAL PHYSICS LETTERS | 2004年 / 393卷 / 1-3期
关键词：
D O I：
10.1016/j.cplett.2004.06.054
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 a novel PEO-based nanocomposite polymer electrolyte by using solid super acid SO42-/ZrO2 as filler. XRD, DSC, and FT-IR results prove the strong Lewis acid-base interactions between SO42-/ZrO2 and PEO chains. The addition of SO42-/ZrO2 can enhance the ionic conductivity and the lithium ion transference number of the electrolyte. The highest room temperature ionic conductivity of 2.1 x 10(-5) S cm(-1) is obtained for the sample PEO12-LiClO4-7%SO42-/ZrO2. The excellent performances such as good compatibility with lithium electrode, and broad electrochemical stability window suggest that PEO-LiClO4-SO42-/ZrO2 nanocomposite electrolyte can be used as electrolyte materials for lithium polymer batteries. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：271 / 276
页数：6
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