Electrospun montmorillonite modified poly(vinylidene fluoride) nanocomposite separators for lithium-ion batteries

被引：61

作者：

Fang, Changjiang ^{[1
]}

Yang, Shuli ^{[1
]}

Zhao, Xinfei ^{[1
]}

Du, Pingfan ^{[1
,2
]}

Xiong, Jie ^{[1
,2
]}

机构：

[1] Zhejiang Sci Tech Univ, Coll Mat & Text, Hangzhou 310018, Peoples R China

[2] Zhejiang Sci Tech Univ, Key Lab Adv Text Mat & Mfg Technol, Minist Educ, Hangzhou 310018, Peoples R China

来源：

MATERIALS RESEARCH BULLETIN | 2016年 / 79卷

基金：

中国国家自然科学基金;

关键词：

Composites; Nanostructures; Thin films; Electrochemical properties; Energy storage; SOLID POLYMER ELECTROLYTE; COMPOSITE SEPARATORS; NONWOVEN SEPARATORS; PVDF; MEMBRANES;

D O I：

10.1016/j.materresbull.2016.02.015

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Composite separators of poly(vinylidene fluoride) (PVDF) with different contents of montmorillonite (MMT) for Li-ion batteries have been fabricated by electrospinning. The morphology, function group, crystallinity, and mechanical properties of membranes were investigated by scanning electron microscope (SEM), Fourier Transform infrared spectra (FT-IR), differential scanning calorimetry (DSC), and tensile test, respectively. Interlayer spacing of MMT in polymer was characterized by X-ray diffraction (XRD). In addition, the results of electrochemical measurements suggest that PVDF/MMT-5% composite membrane has maximum ionic conductivity of 4.2 mS cm(-1), minimum interfacial resistance of 97 Omega, and excellent electrochemical stability. The cell comprising PVDF/MMT-5% composite membrane shows higher capacity and more stable cycle performance than the one using commercial Celgard PP membrane. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：1 / 7

页数：7

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