Poly(vinylidene fluoride)/poly(acrylonitrile) blend fibrous membranes by centrifugal spinning for high-performance lithium ion battery separators

被引：11
|
作者：
Lv, Ruihua [1 ]
Zhu, Yun [1 ]
Liu, Hesheng [1 ]
Na, Bing [1 ]
Huang, Yanghui [1 ]
Xie, Xiuli [1 ]
机构：
[1] East China Univ Technol, Sch Chem Biol & Mat Sci, Fundamental Sci Radioact Geol & Explorat Technol, Nanchang 330013, Peoples R China
来源：
JOURNAL OF APPLIED POLYMER SCIENCE | 2017年 / 134卷 / 08期
基金：
中国国家自然科学基金;
关键词：
batteries and fuel cells; fibers; porous materials; synthesis and processing techniques; COMPOSITE MEMBRANE; NONWOVEN SEPARATORS; POLYMER NANOFIBERS; THERMAL-STABILITY; POLYACRYLONITRILE; ELECTROLYTES; MORPHOLOGY;
D O I：
10.1002/app.44515
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Fibrous membranes are promising as high-performance lithium ion battery separators because of high porosity and superior electrolyte uptake. Electrospinning is a popular approach to produce fibrous membranes, but its production rate is very low. As a comparison, mass production of fibrous membranes can be achieved by centrifugal spinning. This study reports fibrous membranes based on poly(vinylidene fluoride)/poly(acrylonitrile) blends by centrifugal spinning and their application as lithium ion battery separators. The blend fibrous membranes have high electrolyte uptake of about 300%, excellent dimensional stability at 180 degrees C and good mechanical strength over 18 MPa. The coin cells with the blend fibrous membranes as separators show high discharge capacity of 147.7 mAh/g at 0.2 C and superior C-rate performance. (c) 2016 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2017, 134, 44515.
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页数：7
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