Invention Grant
- Patent Title: Positive active material, manufacturing method thereof, and positive electrode and lithium battery including the material
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Application No.: US14806969Application Date: 2015-07-23
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Publication No.: US10446834B2Publication Date: 2019-10-15
- Inventor: Andrei Kapylou , Donghan Kim , Jinhwan Park , Jayhyok Song , Sungjin Ahn , Byongyong Yu
- Applicant: Samsung Electronics Co., Ltd. , SAMSUNG FINE CHEMICALS 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: KR10-2014-0192556 20141229
- Main IPC: H01M4/36
- IPC: H01M4/36 ; H01M4/13 ; H01M4/50 ; H01M4/60 ; H01M4/62 ; H01M4/505 ; H01M4/131 ; H01M4/485 ; H01M4/525
Abstract:
A positive active material including: a core including an overlithiated lithium transition metal oxide, and a coating layer which is disposed on at least a portion of a surface of the core, the coating layer including a polymer having an oxidation potential of about 4.4 volts to about 4.7 volts versus lithium metal. Also a manufacturing method thereof, and a positive electrode and a lithium battery including the positive active material.
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