Invention Grant
- Patent Title: Anode active material for lithium secondary battery, preparation method therefor, and lithium secondary battery containing same
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Application No.: US15737040Application Date: 2016-06-15
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Publication No.: US10340518B2Publication Date: 2019-07-02
- Inventor: Jaephil Cho , Min Seong Ko , Su Jong Chae , Ji Young Ma , Nam Hyung Kim
- 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: KR10-2015-0084157 20150615
- International Application: PCT/KR2016/006357 WO 20160615
- International Announcement: WO2016/204512 WO 20161222
- Main IPC: H01M4/36
- IPC: H01M4/36 ; H01M10/0525 ; H01M4/587 ; H01M10/052 ; H01M4/38 ; H01M4/62 ; C01B33/029 ; H01M4/02
Abstract:
An anode active material for a lithium secondary battery, a preparation method thereof, and a lithium secondary battery including the anode active material are provided. The anode active material includes carbon particles having a spherical shape, a first carbon coating layer present on surfaces of the carbon particles, a silicon coating layer present on the first carbon coating layer and including silicon nanoparticles, and a second carbon coating layer present on the silicon coating layer.
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