摘要
聚烯烃基隔膜,以其力学性能好、厚度薄、耐腐蚀等优点,在锂离子电池中得到了广泛的应用。但是受聚烯烃本身的材料性质与生产工艺的极大限制,该类隔膜也存在耐热性差、孔隙率低及与极性电解液相容性差等缺点。本文对聚烯烃基涂覆隔膜的最新研究进展进行了阐述,并针对聚烯烃基隔膜存在的本征缺陷以及涂覆层的分类与评价体系进行了总结,同时还对下一步聚烯烃隔膜性能的改进方向进行了探讨和展望。
Polyolefin separator has been widely applied in lithium-ion batteries since its metrics of excellent mechanical properties,thinner thickness as well as corrosion tolerance.However,restricted by the intrinsic characteristic of polyolefin and the limitation of manufacturing technology,this type of separator also exhibits drawbacks of poor thermal tolerance,low porosity,and weak electrolyte compatibility.In this progress,updated researches about the surface coating strategy for polyolefin separator have been reviewed.Simultaneously,towards the inner drawbacks of polyolefin separator,the evaluation criterion,and division system of surface coating has been summarized.Finally,the possible research direction of the next step has been also discussed.
作者
孙明辉
马小楷
阚婷
王恒
闫继
SUN Ming-hui;MA Xiao-kai;KAN Ting;WANG Heng;YAN Ji(School of Material and Chemical Engineering,Zhengzhou University of Light Industry,Zhengzhou,Henan Province,450002,China)
出处
《电池工业》
CAS
2021年第3期143-147,167,共6页
Chinese Battery Industry
基金
河南省重点研发与推广项目(科技攻关)(No.192102210079)
关键词
聚烯烃隔膜
有机涂覆层
无机涂覆层
锂离子电池
Polyolefin separator
Organic coating layer
Inorganic coating layer
Lithium-ion batteries
作者简介
孙明辉,1998年生。郑州轻工业大学本科生。现为华中科技大学硕士研究生。主要研究方向为化学电源及新能源材料与器件;闫继,1984年生。工学博士后。现任教于郑州轻工业大学材料与化工学院新能源材料与器件专业。主要研究方向为化学电源及新能源材料与器件。Email:jiyan@zzuli.edu.cn
