Invention Grant
- Patent Title: Cathode active material for lithium ion secondary batteries, method for manufacturing the same, and lithium ion secondary batteries including the same
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Application No.: US15761047Application Date: 2017-11-24
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Publication No.: US10797317B2Publication Date: 2020-10-06
- Inventor: Jaephil Cho , Moon Su Yoon
- 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: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@16a89d31
- International Application: PCT/KR2017/013523 WO 20171124
- International Announcement: WO2019/088340 WO 20190509
- Main IPC: H01M4/525
- IPC: H01M4/525 ; H01M4/131 ; H01M4/485 ; H01M10/058 ; H01M10/0525 ; H01M4/62 ; H01M4/02
Abstract:
Provided is a composite cathode active material including: a core including a lithium transition metal oxide, the lithium transition metal oxide being doped with nickel (Ni) and at least one element selected from Group 4 to Group 13 elements and having a layered crystalline phase belonging to the Space Group R-3m; and a coating layer on a surface of the core, the coating layer including a cobalt compound.
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