- Patent Title: Negative electrode active material, method of preparing the negative electrode active material, negative electrode, and secondary battery including the negative electrode
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Application No.: US17264097Application Date: 2019-08-16
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Publication No.: US11894548B2Publication Date: 2024-02-06
- Inventor: Hee Won Choi , Jae Wook Lee
- 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 20180096155 2018.08.17
- International Application: PCT/KR2019/010432 2019.08.16
- International Announcement: WO2020/036461A 2020.02.20
- Date entered country: 2021-01-28
- Main IPC: H01M4/36
- IPC: H01M4/36 ; C01B32/205 ; C01B32/21 ; H01M4/133 ; H01M4/587 ; H01M10/0525 ; H01M4/02
Abstract:
A negative electrode active material which includes a core including artificial graphite, and a carbon coating layer disposed on the surface of the core, wherein an edge plane of the negative electrode active material has a specific surface area of 1.0 m2/g to 1.9 m2/g, a negative electrode including the same, and a secondary battery including the negative electrode.
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