Invention Grant
- Patent Title: Negative electrode active material for lithium secondary battery and preparation method thereof
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Application No.: US16764641Application Date: 2018-11-22
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Publication No.: US12009515B2Publication Date: 2024-06-11
- Inventor: Yong Ju Lee , Rae Hwan Jo , Su Min Lee , Dong Hyuk Kim , Se Mi Park
- 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: Birch, Stewart, Kolasch & Birch, LLP
- Priority: KR 20170158624 2017.11.24
- International Application: PCT/KR2018/014473 2018.11.22
- International Announcement: WO2019/103499A 2019.05.31
- Date entered country: 2020-05-15
- Main IPC: H01M4/485
- IPC: H01M4/485 ; C01B33/22 ; C01B33/32 ; H01M4/02 ; H01M4/36 ; H01M4/62 ; H01M10/0525
Abstract:
A negative electrode active material for a lithium secondary battery, which includes a silicon-based particle represented by M-SiOx, wherein M is Li, Mg, Ca, Al, or Ti, and 0≤x
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