Anomalous Increase in Ionic Conductivity in Peo-Containing System Segmented Polyurethane - Segmented Oligourethane with LiClO4

被引：1
|
作者：
Shevchenko, V. V. [1 ]
Belous, A. G. [2 ]
Stryutsky, A., V [1 ]
Kovalenko, L. L. [2 ]
Klimenko, N. S. [1 ]
Gumenna, M. A. [1 ]
Pilipenko, A. M. [3 ]
机构：
[1] NAS Ukraine, Inst Macromol Chem, Kiev, Ukraine
[2] NAS Ukraine, VI Vernadsky Inst Gen & Inorgan Chem, Kiev, Ukraine
[3] NAS Ukraine, Donetsk Inst Phys & Engn Named OO Galkin, Kiev, Ukraine
来源：
THEORETICAL AND EXPERIMENTAL CHEMISTRY | 2022年 / 57卷 / 06期
关键词：
solid polymer electrolytes; lithium-ion batteries; segmented PEO-containing oligo- and polyurethanes; supramolecular structure; anomalous increase in ionic conductivity;
D O I：
10.1007/s11237-022-09712-x
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A method of obtaining a solid polymer electrolyte for lithium-ion batteries based on polyethylene oxide-containing (PEO) supramolecularly organized system segmented polyurethane - segmented oligourethane with LiClO4(PUU-OUU-LiClO4) is proposed. The introduction of LiClO4 into PUU-OUU leads to an extreme increase in the glass transition temperature and ionic conductivity by 1 and 2 orders of magnitude when compared to OUU-LiClO4 and PUU-LiClO4 systems (up to 2.0 center dot 10(-4) S/cm at 60 degrees C), respectively, which is associated with a change in the lithium-ion transport mechanism.
引用
收藏
页码：429 / 436
页数：8
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