- Patent Title: Composite anode active material, method of preparing the composite anode material, and lithium secondary battery comprising the composite anode active material
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Application No.: US16063230Application Date: 2017-11-03
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Publication No.: US11682757B2Publication Date: 2023-06-20
- Inventor: Jaephil Cho , Jaekyung Sung , Seong Hyeon Choi , Jiyoung Ma , Yoonkwang Lee
- Applicant: UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
- Applicant Address: KR Ulsan
- Assignee: UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
- Current Assignee: UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
- Current Assignee Address: KR Ulsan
- Agency: Klarquist Sparkman, LLP
- Priority: KR 20170124532 2017.09.26
- International Application: PCT/KR2017/012392 2017.11.03
- International Announcement: WO2019/066129A 2019.04.04
- Date entered country: 2018-06-15
- Main IPC: H01M4/36
- IPC: H01M4/36 ; C01B32/05 ; C01B32/21 ; C01B33/021 ; H01M4/04 ; H01M4/38 ; H01M4/587 ; H01M4/62 ; H01M10/0525 ; C01B33/02 ; H01M4/02
Abstract:
Provided is a composite anode active material including: a carbonaceous material; a metal alloyable with lithium, located on a surface of the carbonaceous material; and a silicon coating layer located on a surface of the carbonaceous material, on a surface of the metal alloyable with lithium, or a combination thereof.
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