Invention Grant
- Patent Title: Composite cathode active material, method of preparing the same, and cathode and lithium battery including the composite cathode active material
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Application No.: US14972216Application Date: 2015-12-17
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Publication No.: US10283770B2Publication Date: 2019-05-07
- Inventor: Kwanghwan Cho , Jaephil Cho , Hyejung Kim
- Applicant: SAMSUNG SDI CO., LTD. , UNIST (ULSAN NATIONAL INST.OFSCIENCE & TECHNOLOGY)
- Applicant Address: KR Yongin-si, Gyeonggi-do KR Ulsan
- Assignee: SAMSUNG SDI CO., LTD.,UNIST (Ulsan National Institute of Science and Technology)
- Current Assignee: SAMSUNG SDI CO., LTD.,UNIST (Ulsan National Institute of Science and Technology)
- Current Assignee Address: KR Yongin-si, Gyeonggi-do KR Ulsan
- Agency: Lee & Morse, P.C.
- Priority: KR10-2014-0183304 20141218
- Main IPC: H01M4/525
- IPC: H01M4/525 ; H01M4/36 ; C01G53/00 ; H01M10/052
Abstract:
A composite cathode active material, including a nickel-based lithium transition metal oxide secondary particle, the nickel-based lithium transition metal oxide secondary particle including a coating layer containing lithium and cobalt on a surface of a primary particle of the secondary particle.
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