Invention Grant
- Patent Title: Separator having coating layer including partially reduced graphene oxide and lithium ion conductive polymer and lithium secondary battery comprising the same
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Application No.: US16753217Application Date: 2018-10-08
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Publication No.: US11411283B2Publication Date: 2022-08-09
- Inventor: Jieun Song , Kwonnam Sohn , Doo Kyung Yang
- Applicant: LG CHEM, LTD.
- Applicant Address: KR Seoul
- Assignee: LG CHEM, LTD.
- Current Assignee: LG CHEM, LTD.
- Current Assignee Address: KR Seoul
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: KR10-2017-0139969 20171026
- International Application: PCT/KR2018/011838 WO 20181008
- International Announcement: WO2019/083193 WO 20190502
- Main IPC: H01M50/446
- IPC: H01M50/446 ; H01M10/0525 ; H01M4/02

Abstract:
A separator in which at least one side of a porous substrate has thereon a coating layer containing a partially reduced graphene oxide with a sheet shape and a lithium ion conductivity polymer, which can solve the problem caused by the lithium polysulfide which occurs in the conventional lithium secondary battery, and a lithium secondary battery.
Public/Granted literature
- US20200328391A1 SEPARATOR AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME Public/Granted day:2020-10-15
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