- Patent Title: Composite electrode active material, electrode and lithium battery including the composite electrode active material, and method of preparing the composite electrode active material
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Application No.: US15080773Application Date: 2016-03-25
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Publication No.: US10305090B2Publication Date: 2019-05-28
- Inventor: Guesung Kim
- 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: KR10-2015-0135550 20150924
- Main IPC: H01M4/131
- IPC: H01M4/131 ; H01M4/04 ; H01M10/0525 ; H01M4/1315 ; H01M4/36 ; H01M4/48 ; H01M4/50 ; H01M4/505 ; H01M4/52 ; H01M4/525 ; H01M4/56 ; C01G53/00 ; H01M4/133 ; H01M4/134 ; H01M4/38 ; H01M4/485 ; H01M4/583 ; H01M4/587
Abstract:
A composite electrode active material including: a core, which is capable of intercalating and deintercalating lithium; and a surface treatment layer disposed on the core, wherein the surface treatment layer comprises a lithium-free oxide that has a spinel structure and includes a dopant, wherein the dopant includes at least one selected from fluorine, sulfur, nitrogen, boron, and phosphorous.
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