Invention Grant
- Patent Title: Negative electrode active material for lithium secondary battery and method for preparing the same
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Application No.: US16621119Application Date: 2018-12-07
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Publication No.: US11296312B2Publication Date: 2022-04-05
- Inventor: Il-Geun Oh , Jung-Hyun Choi , Je-Young Kim , Yong-Ju Lee
- Applicant: LG CHEM, LTD.
- Applicant Address: KR Seoul
- Assignee: LG CHEM, LTD.
- Current Assignee: LG CHEM, LTD.
- Current Assignee Address: KR Seoul
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: KR10-2017-0168436 20171208
- International Application: PCT/KR2018/015566 WO 20181207
- International Announcement: WO2019/112390 WO 20190613
- Main IPC: H01M4/485
- IPC: H01M4/485 ; H01M4/58 ; H01M4/131 ; H01M4/1397 ; H01M4/136 ; H01M4/133 ; H01M4/66 ; H01M10/0525 ; H01M4/02
Abstract:
A negative electrode active material including a core, an intermediate layer on a surface of the core, and a shell layer on a surface of the intermediate layer, wherein the core includes a silicon oxide of SiOx (0
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