- Patent Title: Positive active material including a shell including a metalcation, manufacturing method thereof, and positive electrode and lithium battery including the positive active material
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Application No.: US15153867Application Date: 2016-05-13
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Publication No.: US10593935B2Publication Date: 2020-03-17
- Inventor: Sungjin Ahn , Jinhwan Park , Jayhyok Song , Andrei Kapylou , Byongyong Yu
- Applicant: Samsung Electronics Co., Ltd. , Samsung SDI Co., Ltd.
- Applicant Address: KR Gyeonggi-do KR Gyeonggi-do
- Assignee: SAMSUNG ELECTRONICS CO., LTD.,SAMSUNG SDI CO., LTD.
- Current Assignee: SAMSUNG ELECTRONICS CO., LTD.,SAMSUNG SDI CO., LTD.
- Current Assignee Address: KR Gyeonggi-do KR Gyeonggi-do
- Agency: Cantor Colburn LLP
- Priority: KR10-2015-0068181 20150515
- Main IPC: H01M4/505
- IPC: H01M4/505 ; H01M4/52 ; H01M4/36 ; H01M4/525 ; C01G53/00 ; H01M10/0525 ; H01M4/62
Abstract:
A positive active material includes an over-lithiated lithium transition metal oxide having a core-shell structure, wherein a shell layer of the core-shell structure includes a metal cation.
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