Temperature dependence of conductivity enhancement induced by nanoceramic fillers in polymer electrolytes

被引：6
|
作者：
Gao, S. [1 ]
Yan, X. L. [1 ]
Zhong, J. [1 ]
Xue, G. B. [1 ]
Wang, B. [1 ]
机构：
[1] Wuhan Univ, Sch Phys, Key Lab Nucl Solid Phys, Wuhan 430000, Hubei, Peoples R China
来源：
APPLIED PHYSICS LETTERS | 2013年 / 102卷 / 17期
关键词：
TRANSPORT-PROPERTIES; NANOCOMPOSITE ELECTROLYTES; GLASS-TRANSITION; ION-TRANSPORT; FREE-VOLUME; LITHIUM; ANNIHILATION; SPECTROSCOPY; COMPOSITES; RELAXATION;
D O I：
10.1063/1.4803185
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The microstructure and ionic conductivity of polymer nanocomposite electrolytes doped with ZnO have been systematically studied. Compared with the undoped one, a less crystalline phase, a restrained main chain movement, a reduced symmetry in the configuration of ethylene oxide/lithium ion, and an at least five-fold increase in conductivity were observed for the filler incorporated electrolyte. Lewis acid-base interactions are determining in causing these changes. The temperature dependence of conductivity is explained by the Vogel-Tammann-Fulcher equation based on the free volume theory. The mechanism of temperature dependent conductivity enhancement is interpreted by a modeling function proposed. (C) 2013 AIP Publishing LLC
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页数：4
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