Polyvinylidene Difluoride-Polyethyleneoxide Blends for Electrospun Separators in Li-Ion Batteries

被引：26
|
作者：
La Monaca, A. [1 ]
De Giorgio, F. [1 ]
Focarete, M. L. [1 ]
Fabiani, D. [2 ]
Zaccaria, M. [2 ]
Arbizzani, C. [1 ]
机构：
[1] Alma Mater Studiorum Univ Bologna, Dept Chem Giacomo Ciamician, Bologna, Italy
[2] Alma Mater Studiorum Univ Bologna, Dept Elect Elect & Informat Engn Guglielmo Marcon, Bologna, Italy
来源：
JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 2017年 / 164卷 / 01期
关键词：
LITHIUM-ION; POLY(VINYLIDENE FLUORIDE); POLYMER ELECTROLYTE; ELECTROCHEMICAL PROPERTIES; ENERGY-STORAGE; PVDF; MEMBRANES; CELLS; CHALLENGES;
D O I：
10.1149/2.0651701jes
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Polyvinylidenedifluoride (PVdF) and polyethyleneoxide (PEO) are blended and electrospun in order to obtain membranes suitable as Li-ion battery separators. The separators are characterized, and their properties investigated and compared with those of PVdF and commercial separators. The PVdF-PEO based separators ensure increased conductivities, greater electrolyte uptake and higher porosities than commercial polyolefines, all factors that improve cell performance. They are also safer than PVdF separators thanks to lower shutdown temperature, even if their mechanical properties are not yet comparable with those of the latter. (C) The Author(s) 2017. Published by ECS. All rights reserved.
引用
收藏
页码：A6431 / A6439
页数：9
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