Invention Grant
- Patent Title: Negative electrode active material and secondary battery comprising same
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Application No.: US15753606Application Date: 2017-02-06
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Publication No.: US10938033B2Publication Date: 2021-03-02
- Inventor: Hyun-Wook Kim , Jong-Hun Kim , Jang-Hyuk Hong
- Applicant: LG Chem, Ltd.
- Applicant Address: KR Seoul
- Assignee: LG Chem, Ltd.
- Current Assignee: LG Chem, Ltd.
- Current Assignee Address: KR Seoul
- Agency: Lerner, David, Littenberg, Krumholz & Mentlik, LLP
- Priority: KR10-2016-0015158 20160205
- International Application: PCT/KR2017/001300 WO 20170206
- International Announcement: WO2017/135794 WO 20170810
- Main IPC: H01M4/00
- IPC: H01M4/00 ; H01M4/587 ; H01M4/36 ; H01M4/62 ; H01M10/0525 ; H01M4/02
Abstract:
Disclosed is a negative electrode active material including artificial graphite having a large particle diameter and natural graphite having a small particle diameter, wherein the average particle diameter ratio of the small particle and the large particle is 1:1.5-1:5. A secondary battery including the negative electrode active material is also disclosed.
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