- Patent Title: Composite cathode active material, cathode and lithium battery including the composite cathode active material, and method of preparing the composite cathode active material
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Application No.: US13799111Application Date: 2013-03-13
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Publication No.: US10079384B2Publication Date: 2018-09-18
- Inventor: Ji-Hyun Kim , Yong-Chan You , Chang-Wook Kim , Jun-Seok Park
- Applicant: SAMSUNG SDI CO., LTD.
- Applicant Address: KR Giheung-gu, Yongin-si, Gyeonggi-do
- Assignee: Samsung SDI Co., Ltd.
- Current Assignee: Samsung SDI Co., Ltd.
- Current Assignee Address: KR Giheung-gu, Yongin-si, Gyeonggi-do
- Agent Robert E. Bushnell, Esq.
- Priority: KR10-2012-0101151 20120912
- Main IPC: H01M10/637
- IPC: H01M10/637 ; H01M10/63 ; H01M10/625 ; H01M4/13 ; H01M4/131 ; H01M4/136 ; H01M4/36 ; H01M10/052 ; C01G51/00 ; C01G53/00 ; H01M4/485 ; H01M4/505 ; H01M4/525 ; H01M4/58
Abstract:
A composite cathode active material, a cathode including the same, a lithium battery including the cathode, and preparation method thereof are disclosed. The composite cathode active material includes: a core capable of intercalating and deintercalating lithium; and a crystalline coating layer disposed on at least part of a surface of the core, wherein the coating layer include a metal oxide.
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