Core-shell-structured nanofibrous membrane as advanced separator for lithium-ion batteries

被引：93

作者：

Jiang, Fengjing ^{[1
,2
]}

Nie, Yu ^{[1
]}

Yin, Lei ^{[1
]}

Feng, Yuan ^{[1
]}

Yu, Qingchun ^{[1
,2
]}

Zhong, Chunyan ^{[3
]}

机构：

[1] Shanghai Jiao Tong Univ, Inst Fuel Cell, 800 Dongchuan Rd, Shanghai 200240, Peoples R China

[2] Shanghai Jiao Tong Univ, Key Lab Power Machinery & Engn, Minist Educ, Shanghai 200240, Peoples R China

[3] Hainan Guangyu Biotechnol Co Ltd, 26 Jinpan Rd, Haikou 570216, Peoples R China

来源：

JOURNAL OF MEMBRANE SCIENCE | 2016年 / 510卷

基金：

中国国家自然科学基金;

关键词：

Lithium ion battery; Separator; Wettability; Thermal stable; Composite membrane; POLYAMIDE COMPOSITE MEMBRANES; ELECTROCHEMICAL PERFORMANCE; COATED SEPARATORS; THERMAL-STABILITY; TEMPERATURE; CELLULOSE; CELLS; ENHANCEMENT; PVDF;

D O I：

10.1016/j.memsci.2016.02.067

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Ceramic-layer coated Lithium ion batteries (LIBs) separator shows excellent thermal stability, good electrolyte wettability, but usually poor mechanical strength. For the first time, Silica Encapsulated Nanofibrous Separator (SENS), in which ceramic coating layer is covalently bonded to the polymer nano fibers, is prepared as an advanced composite separator for LIBs. Properties of SENS including morphology, ionic conductivity, electrochemical stability, thermal stability, mechanical strength and battery performance were characterized. Because of the unique SiO2-coating structure and cross-linked three-dimensional network, SENS shows significant advantages of good thermal stability up to 200 degrees C, high ionic conductivity, excellent coating strength and improved battery charge-discharge performance. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：1 / 9

页数：9

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