作　　者： ; ; ; ; ; ;

机构地区： 吉林大学材料科学与工程学院

出　　处： 《汽车工程》 2011年第10期894-897,879,共5页

摘　　要： 选取了4种锂离子电池的商品化隔膜产品,采用傅立叶变换红外光谱仪、X射线衍射仪和扫描电子显微镜等手段,对隔膜材料的组成和结构特性进行表征;采用热重分析仪和差示扫描量热仪,对隔膜材料的热性能进行分析;同时,进行隔膜材料的机械性能、耐热性能和吸液性的试验。结果表明,非聚烯烃类隔膜具有较好的耐热性能,但机械性能较差。 Four kinds of commercialized separator film product for lithium-ion battery are selected,the composition and structural features of separator film materials are characterized by means of FT-IR spectrometer,XRD and SEM,and their thermal performances are analyzed by TGA and DSC.In addition,the mechanical and heat-resistant performances,as well as liquid absorbency of separator film material are also tested.The results show that non polyolefin separator film has better heat-resistant performance,but poorer mechanical performance.

关 键 词： 锂离子电池 隔膜 热性能 安全性

领　　域： [化学工程]