锂离子电池聚烯烃隔膜的特性及发展现状 characteristics and development situation of the polyolefin separators for li-ion battery.pdfVIP

电池工业 锂离子电池聚烯烃隔膜的特性及发展现状 高昆，胡信国，伊廷锋 (埝零滨工监大学应瓣琵学系，黑楚汪埝尔滨150001) 摘要：聚烯烃材料价格低廉，有较好的机械强度和化学稳定性，用该原料制作的微孔隔膜被广泛 地应用在锂离子电池中。综述了聚烯烃电池隔膜的厚度、孔径、孔隙率、透过性、机械性能、化学 稳定性、电阻、瀵涅往、热稳定蛀和鸯躅撼能等各锋特挂；研究了隔膜赡这些特槛砖于电溺蛀能 和安全性的影响。最后，从技术和市场两个方面综述了聚烯烃电池隔膜的现状和未来的发展趋 势。 关键词：锂离予电池；电池隔膜；聚烯烃；发展 审圈分类号：T醚912。9文献标识码：A 文章编号：1008—792312007)02—0122—05 Characteristicsand situationof development the forLi·--ion polyolefinseparators battery GAO Kun，HUXin—guo，YITing—feng Institute 150001，China) (Departmentof Chemistry,HarbinofTechnology,Harbin，Heilongfiang Applied Abstract：Besides materialshave mechanicalandchemical cheapprice，polyolefin good strength been inLi— membranesmadeof materialshave extensivelyapplied stability．Microporous polyolefin ion characteristicsof thickness， polyolefinbatteryseparatorsincluding battery黼separators．Various resistance， pore—size，porosity，permeability，mechanicalproperties，chemicalstability，electrical thesame effectsofthese wet andshutdownweresummarized。Attime，the ability，thermalstability characteristicsOilthe and ofLi—ion were sit- performancesafety battery two of uationandfuture of weresummarizedfrom aspects