All-solid-state polymer electrolyte with plastic crystal materials for rechargeable lithium-ion battery

被引：78

作者：

Fan, Li-Zhen ^{[1
]}

Wang, Xiao-Liang ^{[2
]}

Long, Fei ^{[3
]}

机构：

[1] Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China

[2] Tsinghua Univ, Dept Mat Sci & Engn, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China

[3] Guilin Univ Technol, Minist Educ, Key Lab New Proc Technol Nonferrous Met & Mat, Guilin 541004, Peoples R China

来源：

JOURNAL OF POWER SOURCES | 2009年 / 189卷 / 01期

关键词：

Composite polymer electrolytes; Li-ion batteries; Ionic conductivities; Plastic crystal phase; Succinonitrile; MECHANICAL-PROPERTIES; COMPOSITE; SUCCINONITRILE;

D O I：

10.1016/j.jpowsour.2008.07.083

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：

In this paper, we report the synthesis and properties of a series of composite polymer electrolytes formed by dispersion of a non-ionic organic plastic material succinonitrile (SN) into poly(vinylidene fluoride-co-hexafluoropropylene) (P(VDF-HFP)) complexed with four kinds of lithium salts. The addition of SN greatly enhances ionic conductivities of the electrolytes which is due to the high polarity and diffusivity of SN. The integrity of the plastic-crystalline phase is kept at low temperature range in polymer electrolytes. The high solubility of SN on Li salts is observed by Fourier transform infrared (FTIR) spectra measurement, thus could lead to enhanced lithium-ion transference number. The battery performances of composite polymer electrolytes at different temperatures are tested and the results are comparable to that of the pure plastic crystal electrolytes. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：775 / 778

页数：4

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