Invention Grant
- Patent Title: Separator having coating layer including partially reduced graphene oxide and lithium ion conducting polymer and lithium secondary battery comprising the same
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Application No.: US16649605Application Date: 2018-10-08
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Publication No.: US11522251B2Publication Date: 2022-12-06
- Inventor: Jieun Song , Kwonnam Sohn , Doo Kyung Yang
- Applicant: LG ENERGY SOLUTION, LTD.
- Applicant Address: KR Seoul
- Assignee: LG ENERGY SOLUTION, LTD.
- Current Assignee: LG ENERGY SOLUTION, LTD.
- Current Assignee Address: KR Seoul
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: KR10-2017-0139968 20171026
- International Application: PCT/KR2018/011839 WO 20181008
- International Announcement: WO2019/083194 WO 20190502
- Main IPC: H01M50/431
- IPC: H01M50/431 ; H01M10/0525 ; H01M50/403 ; H01M50/449
Abstract:
A separator in which at least one surface of a porous base is coated with a coating layer including partially-reduced graphene oxide and a lithium ion conducting polymer, and thereby capable of resolving problems caused by lithium polysulfide occurring in a lithium secondary battery, and a lithium secondary battery including the same.
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