120综述NO.022023塑料科技PlasticsScienceandTechnology锂电池用非织造布隔膜研究进展杨文娟1,李晨暘2*,程博闻2（1.天津泰达股份有限公司，天津300450；2.天津科技大学轻工科学与工程学院，天津300457）摘要：隔膜是锂电池结构中的核心组成部分之一。非织造布隔膜具有高孔隙率、良好的保液性、高热稳定性而受到广泛关注。文章综述了湿法非织造布隔膜、静电纺丝非织造布隔膜、熔喷/纺黏非织造布隔膜等制备原理、特点及应用进展。对每种非织造布隔膜性能和改进方法进行评价。研究表明：未来锂电池隔膜的研究将聚焦保证非织造布隔膜力学强度的前提下解决隔膜厚度、孔径等方面的技术难题，以及探索新的隔膜用原材料，研究可产业化制备理化性能满足锂电池需求的非织造布隔膜工艺，从而开发具有自主知识产权的高端隔膜。关键词：电池隔膜；非织造布；静电纺丝；熔喷；纳米纤维中图分类号：TS176.5文献标识码：A文章编号：1005-3360（2023）02-0120-05DOI：10.15925/j.cnki.issn1005-3360.2023.02.024ResearchProgressofNonwovenFabricBasedSeparatorforLithium-IonBatteriesYANGWen-juan1,LIChen-yang2*,CHENGBo-wen2(1.TianjinTEDACo.,Ltd.,Tianjin300450,China;2.CollegeofLightIndustryScience&Engineering,TianjinUniversityofScience&Technology,Tianjin300457,China)Abstract:Theseparatorisoneofthecorecomponentsofthelithiumbatterystructure.Nonwovenseparatorhasattractedwideattentionduetoitshighporosity,goodliquidretentionandhighthermalstability.Thepreparationprinciple,characteristicsandapplicationprogressofwetnonwovenseparator,electrospinningnonwovenseparator,meltblown/spunbondednonwovenseparatorarereviewed.Theperformanceandimprovementmethodsofeachnonwovenseparatorwereevaluated.Theresearchshowsthattheresearchoflithiumbatteryseparatorinthefuturewillfocusonsolvingthetechnicalproblemsofseparatorthicknessandporesizeonthepremiseofensuringthemechanicalstrengthofnonwovenseparator,exploringnewrawmaterialsforseparator,andstudyingthenonwovenseparatorprocessthatcanbeindustrializedtopreparephysicalandchemicalpropertiestomeettheneedsoflithiumbattery,soastodevelophigh-endseparatorwithindependentintellectualpropertyrights.Keywords:Batteryseparator;Nonwoven;Electrospinning;Melt-b...
