Improved composite materials for rechargeable lithium metal polymer batteries

被引：29
|
作者：
Mastragostino, M
Soavi, F
Zanelli, A
机构：
[1] Univ Palermo, Dept Phys Chem, I-90128 Palermo, Italy
[2] Univ Bologna, Dipartimento Chim G Ciamician, I-40126 Bologna, Italy
来源：
JOURNAL OF POWER SOURCES | 1999年 / 81卷
关键词：
polymer electrolytes; lithium interface; manganese cathode; lithium metal polymer batteries;
D O I：
10.1016/S0378-7753(99)00152-4
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：
The performance of several polymer electrolytes for lithium metal batteries for electric vehicle applications are reported. The best performing electrolyte is the composite PEO20LiCF3SO3-gamma LiAlO2, which was prepared by a solvent-free procedure. It showed coulombic efficiency values of the lithium deposition-stripping process of 94%-96%. Electrochemical tests of lithium polymer battery (LPB) prototypes based on a 3 V LiMn2O4 composite cathode material laminated together with the PEO20LiCF3SO3-gamma LiAlO2 electrolyte gave promising results for electric vehicle applications. Even under non-optimized battery design, the prototypes delivered, at the C/3 rate and at 94 degrees C, 40%-30% of theoretical capacity over 100 charge-discharge cycles. (C) 1999 Elsevier Science S.A. All rights reserved.
引用
收藏
页码：729 / 733
页数：5
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