SEPARATOR FOR LITHIUM SECONDARY BATTERY, PREPARATION METHOD THEREOF AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME,申请号KR20100063936-传众专利搜索

SEPARATOR FOR LITHIUM SECONDARY BATTERY, PREPARATION METHOD THEREOF AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME

申请公布号：KR20120003203(A)

申请号：KR20100063936

申请日期：2010.07.02

申请公布日期：2012.01.10

申请人：

GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY

发明人：MOON, SEUNG HYEON;WOO, JUNG JE;SEO, SEOK JUN;YUN, SUNG HYUN;NAM, SANG HOON

分类号：H01M10/0525;H01M2/16

主分类号：H01M10/0525

摘要：PURPOSE: A separator for lithium secondary battery is provided to have excellent wettability to an electrolyte, excellent thermal stability and excellent cycle property. CONSTITUTION: A separator for lithium secondary battery comprises a compound in the chemical formula 1. In the chemical formula 1, Ar1 and Ar2 is respectively and independently C6-30 arylene group which is substituted by one or more compounds selected from the group consisting of halogen group, C1-20 alkyl group and C1-20 haloalkyl group. r is integer of 0-1, n is integer of 1-5,000. The separator additionally comprises a filer, which comprises one or more compounds selected from the group consisting of TiO2, BaTiO3, Li2O, LiF, LiOH, Li3N, BaO, Na2O, MgO, Li2CO3, LiAlO2, SiO2, Al2O3, PTFE and mixtures thereof.