Invention Grant
- Patent Title: Composite cathode active material, preparation method thereof, cathode layer including the same, and all-solid secondary battery including the cathode layer
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Application No.: US17106561Application Date: 2020-11-30
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Publication No.: US11532813B2Publication Date: 2022-12-20
- Inventor: Tomoyuki Tsujimura , Yuichi Aihara
- Applicant: Samsung Electronics Co., Ltd.
- Applicant Address: KR Suwon-si
- Assignee: Samsung Electronics Co., Ltd.
- Current Assignee: Samsung Electronics Co., Ltd.
- Current Assignee Address: KR Suwon-si
- Agency: Cantor Colburn LLP
- Priority: JPJP2020-027205 20200220,KR10-2020-0052880 20200429
- Main IPC: H01M4/36
- IPC: H01M4/36 ; H01M4/62 ; H01M4/505 ; H01M4/525 ; H01M10/0562 ; H01M10/0525 ; H01M4/02
Abstract:
A composite cathode active material includes a cathode active material particle; and a coating layer on a surface of the cathode active material particle, wherein the coating layer includes an acetate, wherein the acetate comprises an alkali metal acetate, an alkaline earth metal acetate, a transition metal acetate, or a combination thereof, or a derivative thereof.
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