公开(公告)号：US12002990B2

公开(公告)日：2024-06-04

申请号：US17279070

申请日：2019-10-11

申请人： LG CHEM, LTD.

发明人： Woongchul Choi ,  Junghun Choi ,  Yonghee Kang ,  Minchul Jang ,  Suk Il Youn ,  Byoungkuk Son

IPC分类号： H01M50/457 ,  H01M4/02 ,  H01M4/38 ,  H01M4/40 ,  H01M10/052 ,  H01M50/434 ,  H01M50/443 ,  H01M50/446 ,  H01M50/489 ,  H01M50/491

CPC分类号： H01M50/457 ,  H01M4/382 ,  H01M4/405 ,  H01M10/052 ,  H01M50/434 ,  H01M50/443 ,  H01M50/446 ,  H01M50/489 ,  H01M50/491 ,  H01M2004/027

摘要： The present invention relates to a porous separator comprising a porous layer containing a plurality of plate-type inorganic particles and a first binder polymer positioned on part or all of the surface of the plate-type inorganic particles to connect and fix between the plate-type inorganic particles; and a metal layer formed on any one surface of the porous layer, and a lithium secondary battery comprising the same.