Invention Grant
- Patent Title: Cathode active material for lithium secondary battery, cathode and lithium secondary battery comprising same, and manufacturing method thereof
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Application No.: US16579031Application Date: 2019-09-23
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Publication No.: US11646409B2Publication Date: 2023-05-09
- Inventor: Seung-Min Oh , KiSeok Koh , Yeolmae Yeo , Yoon Sung Lee , Jieun Lee , Dongjun Kim , Sang Mok Park
- Applicant: Hyundai Motor Company , Kia Motors Corporation
- Applicant Address: KR Seoul
- Assignee: Hyundai Motor Company,Kia Motors Corporation
- Current Assignee: Hyundai Motor Company,Kia Motors Corporation
- Current Assignee Address: KR Seoul; KR Seoul
- Agency: Fox Rothschild LLP
- Priority: KR 20180161202 2018.12.13
- Main IPC: H01M4/00
- IPC: H01M4/00 ; H01M4/36 ; H01M10/0525 ; H01M4/485 ; H01M10/42 ; H01M4/62 ; H01M4/02
Abstract:
Provided are a cathode active material for a lithium secondary battery, a cathode and a lithium secondary battery each including the same, and a method of manufacturing the same. The cathode active material for a lithium secondary battery includes a core including a lithium metal oxide and a coating layer formed on a surface and the inner grain boundaries of the core, wherein the coating layer includes a metal sulfide.
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