Plasticized microporous poly(vinylidene fluoride) separators for lithium-ion batteries. III. Gel properties and irreversible modifications of poly(vinylidene fluoride) membranes under swelling in liquid electrolytes

被引：47

作者：

Saunier, J

Alloin, F

Sanchez, JY

Maniguet, L

机构：

[1] Univ Grenoble 1, CNRS, INPG,UMR 5631, Lab Electrochim & PhysicoChim Mat & Interfaces, F-38402 St Martin Dheres, France

[2] Consortium Moyens Technol Communs, F-38402 St Martin Dheres, France

来源：

JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS | 2004年 / 42卷 / 12期

关键词：

polymer electrolytes; lithium batteries; gels; poly(vinylidene fluoride) (PVdF); thermal characterization; fluoropolymers;

D O I：

10.1002/polb.20099

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Microporous poly(vinylidene fluoride) (PVdF) separators for lithium-ion batteries, used in liquid organic electrolytes, have been characterized with respect to the swelling phenomena on dense PVdF membranes (obtained through hot pressing). In the first and second parts of this study, we have described the swelling equilibria and swelling kinetics of dense PVdF. Here the thermal properties of PVdF gels and their irreversible modifications induced by swelling are characterized. Particular attention is paid to crystallinity modifications, polymer plasticization, and membrane degradation. (C) 2004 Wiley Periodicals, Inc.

引用

页码：2308 / 2317

页数：10

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