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[1]乔荣志,罗晓刚*.聚偏氟乙烯及其共聚物用作高润湿性锂离子电池隔膜的研究进展[J].武汉工程大学学报,2023,45(03):243-250.[doi:10.19843/j.cnki.CN42-1779/TQ.202205013]
　QIAO Rongzhi,LUO Xiaogang*.Advances in Polyvinylidene Fluoride and Its Copolymers Used asHigh Wettable Separator for Lithium-Ion Battery[J].Journal of Wuhan Institute of Technology,2023,45(03):243-250.[doi:10.19843/j.cnki.CN42-1779/TQ.202205013]
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聚偏氟乙烯及其共聚物用作高润湿性锂离子电池隔膜的研究进展(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
45
期数:
2023年03期
页码:
243-250
栏目:
综述
出版日期:
2023-06-30

文章信息/Info

Title:
Advances in Polyvinylidene Fluoride and Its Copolymers Used as
High Wettable Separator for Lithium-Ion Battery
文章编号:
1674 - 2869（2023）03 - 0243 - 08
作者:
乔荣志; 罗晓刚*
武汉工程大学化工与制药学院，湖北 武汉 430205
Author(s):
QIAO Rongzhi; LUO Xiaogang*
School of Chemical Engineering and Pharmacy，Wuhan Institute of Technology，Wuhan 430205，China
关键词:
聚偏氟乙烯; 共聚物; 锂离子电池; 高润湿性; 隔膜
Keywords:
polyvinylidene fluoride;  copolymers;  lithium-ion battery;  high wettability;  separator

分类号:
TQ317
DOI:
10.19843/j.cnki.CN42-1779/TQ.202205013
文献标志码:
A
摘要:
隔膜作为锂离子电池重要的组成部分，隔开电池正负两极并提供锂离子通行的通道。商用聚烯烃类隔膜存在电解液润湿性能差等缺点，降低了电池的电化学性能。具有高极性和耐热性等优点的聚偏氟乙烯（PVDF）及其共聚物，是制备锂离子电池隔膜的优良材料。综述了锂离子电池隔膜的种类（聚烯烃类、无纺布类和复合隔膜类），隔膜的性能参数要求如厚度、热稳定性和力学强度等，着重介绍了运用不同的改性方法制备锂离子电池用高润湿性PVDF及其共聚物基隔膜的研究进展。相比于商用聚烯烃类隔膜，PVDF及其共聚物基隔膜具有更好的电解液润湿性、热稳定性能和电化学性能。可以预测，随着PVDF及其共聚物基隔膜研究的进一步深入，隔膜的性能也将会得到进一步提升。
Abstract:
As an important part of lithium-ion batteries，the separator isolates the positive and negative electrode poles of the battery and provides a channel for lithium-ions to pass through. Commercial polyolefin separator has poor electrolyte wettability，which suppresses the electrochemical performance of the battery. Polyvinylidene fluoride （PVDF） and its copolymers with high polarity and heat resistance are excellent candidates for preparing lithium-ion battery separators. The types of separators for lithium-ion batteries （polyolefins，nonwovens and composite separators），the performance parameters of separators，such as thickness，thermal stability and mechanical strength，were reviewed. The research progress in preparing PVDF and its copolymers used as high wettable separators for lithium-ion batteries by different modification methods was emphatically introduced. Compared with commercial polyolefin separators，PVDF and its copolymer-based separators have better electrolyte wettability，thermal stability and electrochemical performance. Further investigations of PVDF and its copolymer-based separator will improve the performance of the separator to a higher platform in the coming future.

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备注/Memo

备注/Memo:
收稿日期：2022-05-16
基金项目：国家自然科学基金（51773159）
作者简介：乔荣志，硕士研究生。E-mail：[email protected]
*通讯作者：罗晓刚，博士，教授。E-mail：[email protected]
引文格式：乔荣志，罗晓刚. 聚偏氟乙烯及其共聚物用作高润湿性锂离子电池隔膜的研究进展［J］. 武汉工程大学学报，2023，45（3）：243-250.
更新日期/Last Update: 2023-07-03