Invention Grant
- Patent Title: Porous separator and lithium secondary battery comprising same
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Application No.: US17279070Application Date: 2019-10-11
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Publication No.: US12002990B2Publication Date: 2024-06-04
- Inventor: Woongchul Choi , Junghun Choi , Yonghee Kang , Minchul Jang , Suk Il Youn , Byoungkuk Son
- Applicant: LG CHEM, LTD.
- Applicant Address: KR Seoul
- Assignee: LG Energy Solution, Ltd.
- Current Assignee: LG Energy Solution, Ltd.
- Current Assignee Address: KR Seoul
- Agency: MORGAN, LEWIS & BOCKIUS LLP
- Priority: KR 20180122101 2018.10.12
- International Application: PCT/KR2019/013361 2019.10.11
- International Announcement: WO2020/076121A 2020.04.16
- Date entered country: 2021-03-23
- Main IPC: H01M50/457
- IPC: H01M50/457 ; H01M4/02 ; H01M4/38 ; H01M4/40 ; H01M10/052 ; H01M50/434 ; H01M50/443 ; H01M50/446 ; H01M50/489 ; H01M50/491
Abstract:
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.
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