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,#,应用于高能量密度电池的隔膜开发,2021.7,高能量密度电池简况,1,隔膜的机遇和挑战,上海恩捷的开发现况,应用示例,2,3,4,目录,公司简介,5,1.高能量密度电池应用现况,2018,年第,6,批新能源客车的平均值,140.9Wh/kg,,,比去年的,118.4Wh/kg,提高了有,19%,,中位数也由,119.8Wh/kg,提高到,140.8Wh/kg,,,提升了,17.5%,。,信息来源:电动汽车资源网,1.高能量密度电池应用现况,促进汽车动力电池产业发展行动方案,动力电池单体,比能量,系统比能量,300wh/kg,数据显示,2018年一季度,国内三元材料产量31670吨,,同比增长64.26%。2017年第一季度,三元材料延续着高,速增长的态势,产量同比增长68%,达1.47万吨。,260wh/kg,1,元,/wh,-3055,350wh/kg,2020,年,成本,使用环境,单体电池,2.隔膜的机遇和挑战,机遇:湿法隔膜的市场份额进一步提高,2.隔膜的机遇和挑战,挑战:对湿法隔膜的要求更高,耐热性:需涂覆,轻薄化,3.上海恩捷隔膜开发现况,针对高镍三元材料在电池中应用的,恩捷对隔膜开发的思考,轻薄型隔膜,高粘性涂布隔膜,陶瓷涂布隔膜,a.,可提供,9-20,微米基膜,b.,基膜某些特性可以自由,调节;,a.,具有粘结性功能,正负,极材料可牢固粘结在一起,,固定正负极位置,减少后,续外界条件引起的错位,b.,可缩短离子的传输距离,,降低电池的阻抗,a.,氧化铝、勃姆石涂层,可供选择,b.,PET,基无纺布涂布膜,C.,多层共挤;,d,交联聚合,3.上海恩捷隔膜开发现况,多层共挤,1.Theree,layers,co-extrusion,Skin,Layer,Core,Layer,Skin,Layer,Shut-down,performance,melt-down,endurance,2.Multi-functional,Lower,shut-down,Higher,melt-down,Higher,melt-down,co-ex,PE,mono-layer,Lower,shut-down,co-ex,180,120,140,160,Film,temperature,(,),3.上海恩捷的开发现况,-孔径优化,1.co-extrusion,temp.,optimization,optimization,Pore,size,distribution,centered,from,100,to,69,nm,2.,Stretching,temp.,and,draw,ratio,adjustment,optimization,3.上海恩捷隔膜开发现况,交联提升,1.High,density,PE,(HDPE)+,ultra-high,molecular,weight,PE,(UHMWPE),mixing,2.,Crosslinking,(increase,the,melt,down,temp.,and,maintain,the,shutdown,temp.),3.上海恩捷的开发现况,-无纺布涂布膜,Items,市售,SEMCORP,厚度,18,0,23,6,200,o,C,1h,m,涂层厚度,面密度,涂层面密度,透气,9.8,-,31,g/m,2,21,200,C,1h,o,s/100ml,gf,0,188,161,302,0.6,0.3,针强度,剥离强度,159,-,N/m,MD%,TD%,4.1,1.1,200*1h,热收,缩,3.上海恩捷隔膜开发现况,-自熄灭涂布膜,特殊涂覆物,常规氧化物,Items,单面,双面,单面,双面,透气,面密度,剥离强度,120*1h,热收,缩,3.上海恩捷隔膜开发现况,-自熄灭涂布膜,特殊涂覆物,(单面),特殊涂覆物,(双面),PE,基膜,常规氧化物涂布膜,常规氧化物涂布膜,(双面),(双面),4.应用典型示例-,陶瓷涂布膜,高耐热性,NW15B22O,典型值,规格,NW15B33,典型值,规格,项目,材料组成,单位,200,烘烤前,无纺布,/,油性涂层,无纺布,/,陶瓷涂层,高温下几乎无,厚度,um,19.7,21.8,40,192,212,4030,80,3,20.5,26.2,210,137,0.2,212,262,20030,80,明显收缩。,面密度,透气度,针强度,g/m,200,烘烤后,sec/100ml,高安全性,gf,%,%,119,0.9,Group,收缩率,3,MD,Test,item,NW15B22O,2/2,ok,NW15B33,2/2,Pass,16+4+4um,CCS,5/5,NG,180,1h,TD,0.7,3,0.2,3,Nail,test,MD,kgf/cm,kgf/cm,2,2,750,70,400,50,600,60,400,50,Hot,box,2/2,ok,2/2,ok,2/2,Pass,2/2,Pass,4/5,Pass,5/5,Pass,拉伸强度,拉伸率,Short,test,TD,NW15B22O/NW15B33,16+4+4um,CCS,MD,TD,%,%,8,8,5,5,19,16,5,5,Nail,test,:,Pass,Nail,test,:,NG,5.上海恩捷公司概况介绍,5.上海恩捷公司概况介绍,5.上海恩捷公司概况介绍,5.上海恩捷公司概况介绍,产品,当前产品类型,7,9,11,12,14,15,16,18,20m,新开发产品,常规,低透气,5,7,,,9,12,14,16,18,20m,12,14,16,18,20m,超薄基膜,耐高温基膜,3,层共挤基膜,特高孔隙基膜,基膜,高强度,低热收缩率,高冲击强度,7,,,9,12,14,16,18,20m,7,,,9,12,14,16,18,20m,陶瓷涂布膜,各型号基膜,+,2/3/4m,(单面或双面),勃姆石涂布膜,各型号基膜,+,2/3/4m,(单面或双面),各型号基膜,+,0.5m,(单面或双面),AFL,涂布膜,AFL+,陶瓷涂布膜,各型号基膜,+,0.5m,AFL+2/3/4m,陶瓷(单面或双面),(水性),耐高温及高粘度聚合物涂布膜,其他特种功能涂布膜,涂布膜,陶瓷,+PVDF,涂布膜,各型号基膜,+,3/4m,(单面或双面),各型号基膜,+,1m,(单面或双面),各型号基膜,+,2m,(单面或双面),(水性),PVDF,涂布膜,(油性),陶瓷,+PVDF,涂布膜,(油性),芳纶涂布膜,各型号基膜,+,1-2m,(单面或双面),Shanghai,Energy,New,Materials,Technology,Co.,SEMCORP,Confidential,
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