发明名称 |
A SEPARATOR HAVING POROUS COATING LAYER, PREPARATION METHOD THEREOF, AND ELECTROCHEMICAL DEVICE CONTAINING THE SAME |
摘要 |
PURPOSE: A separator, a manufacturing method thereof, and an electrochemical device including thereof are provided to prevent the problem of extending a CV section by the generation of a leak current, and to secure the shutdown function of the separator. CONSTITUTION: A separator includes the following: a nonwoven fabric material with pores; thermoplastic fine powder with the melting point or decomposing point lower than the nonwoven fabric material, located inside the pores; and a porous coating layer located on one side of the nonwoven fabric material. The nonwoven fabric material includes a mixture of inorganic material particles and a binder polymer with the melting point higher than the thermoplastic fine powder. |
申请公布号 |
KR20100113030(A) |
申请公布日期 |
2010.10.20 |
申请号 |
KR20100030996 |
申请日期 |
2010.04.05 |
申请人 |
LG CHEM. LTD. |
发明人 |
PARK, PIL KYU;KIM, JONG HUN;YOO, JIN NYOUNG;KIM, IN CHUL;LEE, SANG YOUNG;YOON, SU JIN |
分类号 |
H01M2/16;C08J9/22;H01M10/0525 |
主分类号 |
H01M2/16 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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