Invention Grant
- Patent Title: Positive active material and positive electrode and lithium battery including positive active material
- Patent Title (中): 正极活性物质和正极和锂电池包括正极活性物质
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Application No.: US13827526Application Date: 2013-03-14
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Publication No.: US09406931B2Publication Date: 2016-08-02
- Inventor: Mi-Ran Song , Yong-Seon Kim , Yong-Chul Park , Gyeong-Jae Heo , Do-Yu Kim , Hyun-Deok Lee , Jin-Hyoung Seo , Min-Ju Kim
- Applicant: Samsung SDI Co., Ltd.
- Applicant Address: KR Yongin, Gyeonggi-do
- Assignee: SAMSUNG SDI CO., LTD.
- Current Assignee: SAMSUNG SDI CO., LTD.
- Current Assignee Address: KR Yongin, Gyeonggi-do
- Agency: Knobbe Martens Olson & Bear LLP
- Priority: KR10-2012-0084985 20120802
- Main IPC: H01M4/36
- IPC: H01M4/36 ; H01M4/131 ; H01M4/505 ; H01M4/525 ; H01M4/58 ; H01M4/02 ; H01M10/052
Abstract:
A positive active material and a lithium battery including the positive active material. The positive active material includes a large diameter active material and a small diameter active material, wherein the small diameter active material includes a Ni-based lithium-transition metal composite oxide and a coating layer including a Mn-containing compound on at least a portion of the surface thereof.
Public/Granted literature
- US20140038052A1 POSITIVE ACTIVE MATERIAL AND POSITIVE ELECTRODE AND LITHIUM BATTERY INCLUDING POSITIVE ACTIVE MATERIAL Public/Granted day:2014-02-06
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