Invention Grant
- Patent Title: Negative electrode active material for lithium secondary battery and lithium secondary battery comprising the same
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Application No.: US17420592Application Date: 2020-01-20
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Publication No.: US11942640B2Publication Date: 2024-03-26
- Inventor: Il-Geun Oh , Dong-Hyuk Kim , Yong-Ju Lee
- 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: Bryan Cave Leighton Paisner LLP
- Priority: KR 20190007121 2019.01.18
- International Application: PCT/KR2020/000961 2020.01.20
- International Announcement: WO2020/149724A 2020.07.23
- Date entered country: 2021-07-02
- Main IPC: H01M4/58
- IPC: H01M4/58 ; H01M4/04 ; H01M4/36 ; H01M10/0525 ; H01M4/02

Abstract:
Provided is a negative electrode active material for a lithium secondary battery which includes: a silicon-silicon oxide-magnesium silicate composite comprising a silicon oxide (SiOx, 0
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