Influence of PEG-borate ester on thermal property and ionic conductivity of the polymer electrolyte

被引：9
|
作者：
Kato, Y
Hasumi, K
Yokoyama, S
Yabe, T
Ikuta, H
Uchimoto, Y
Wakihara, M
机构：
[1] Tokyo Inst Technol, Grad Sch Sci & Engn, Dept Appl Chem, Meguro Ku, Tokyo 1528552, Japan
[2] NOF Corp, Oleochem Res Lab, Alkylene Oxide Grp 2, Kawasaki Ku, Kanagawa 2100865, Japan
来源：
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY | 2002年 / 69卷 / 03期
关键词：
glass-transition temperature; ionic conductivity; PEG-borate ester; polymer electrolyte; WLF plot;
D O I：
10.1023/A:1020664107896
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
We have focused on the poly(ethylene glycol) (PEG)-borate ester as a new type plasticizer for solid polymer electrolyte for lithium ion secondary battery. Adding the PEG-borate ester into the electrolyte shows the increase in the ionic conductivity of the polymer electrolyte. By measuring the glass-transition temperature of the polymer electrolytes with DSC, it is found that the increase in ionic conductivity of the polymer electrolyte is due to the increase in ionic mobility. By investigating the temperature dependence of the ionic conductivity of the polymer electrolytes using William-Landel-Ferry type equation, we considered that the PEG-borate ester does not have any influence for dissociation of Li-salt.
引用
收藏
页码：889 / 896
页数：8
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