Effect of Anions on Lithium Ion Conduction in Poly(ethylene carbonate)-based Polymer Electrolytes

被引：126
|
作者：
Tominaga, Yoichi [1 ]
Yamazaki, Kenta [1 ]
Nanthana, Vannasa [1 ]
机构：
[1] Tokyo Univ Agr & Technol, Grad Sch Bioapplicat & Syst Engn, Koganei, Tokyo 1848588, Japan
来源：
JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 2015年 / 162卷 / 02期
基金：
日本科学技术振兴机构;
关键词：
PROPYLENE CARBONATE; COPOLYMERS; TRANSPORT; MIXTURES; NUMBERS; SALTS;
D O I：
10.1149/2.0211502jes
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Poly(ethylene carbonate)-based polymer electrolytes with lithium salts (LiX; X = TFSI, ClO4, BF4 and PF6) were prepared, and their lithium transference numbers (t(+)) were measured to make comparison between different anion radius and salt concentrations. The LiTFSI electrolytes had the highest t(+) and Li-ion conductivities of all samples at 80 degrees C; these values increased with increasing salt concentration. According to the results of FT-IR measurements for all concentrated samples, the changes of band fraction, which divide at around 1720 cm(-1) for carbonyl groups interact, with Li+ (C=O-Li+), are strongly related to the mobility of Li+ ions. (C) The Author(s) 2015. Published by ECS.
引用
收藏
页码：A3133 / A3136
页数：4
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