Cycling performance of lithium-ion batteries assembled with a hybrid composite membrane prepared by an electrospinning method

被引：61

作者：

Lee, Yoon-Sung ^{[1
]}

Jeong, Yeon Bok ^{[2
]}

Kim, Dong-Won ^{[1
]}

机构：

[1] Hanyang Univ, Dept Chem Engn, Seoul 133791, South Korea

[2] Corp Res & Dev Div, Enerland 411800, Gyeonggi Do, South Korea

来源：

JOURNAL OF POWER SOURCES | 2010年 / 195卷 / 18期

关键词：

Composite membrane; Electrospinning; Lithium-ion cell; Polyethylene membrane; Thermal stability; PE NONWOVEN MATRIX; POLYMER ELECTROLYTES; COATING LAYER; SEPARATOR; CELLS; PVDF; INTERCALATION; FILLERS;

D O I：

10.1016/j.jpowsour.2009.11.012

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A hybrid composite membrane is prepared by electrospinning poly(vinylidene fluoride-co-chlorotrifluoroethylene) copolymer and Al2O3 powder with a microfibrous form on both sides of a polyethylene membrane. The composite membrane shows better thermal stability and wettability for liquid electrolyte solution than polyethylene membrane. The lithium-ion cell assembled with the composite membrane exhibits good capacity retention and high rate performance clue to the effective encapsulation of the electrolyte solution in the cell and the adhesive properties of the swollen polymer towards electrodes. The hybrid composite membrane prepared by the electrospinning method is expected to be a separator with enhanced thermal stability and good cycling performance for application in lithium-ion batteries. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：6197 / 6201

页数：5

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