Invention Grant
- Patent Title: Positive active material for lithium secondary battery and method of manufacturing same
- Patent Title (中): 锂二次电池正极活性物质及其制造方法
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Application No.: US13297776Application Date: 2011-11-16
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Publication No.: US08986889B2Publication Date: 2015-03-24
- Inventor: Joon-Hyung Lee , Andriy Kvasha , Oleg Levin
- Applicant: Joon-Hyung Lee , Andriy Kvasha , Oleg Levin
- Applicant Address: KR
- Assignee: Samsung SDI Co., Ltd.
- Current Assignee: Samsung SDI Co., Ltd.
- Current Assignee Address: KR
- Agency: Knobbe, Martens, Olson & Bear LLP
- Priority: KR10-2010-0108353 20101102
- Main IPC: H01M4/525
- IPC: H01M4/525 ; H01M4/13 ; H01M4/58 ; H01M4/131 ; H01M4/36 ; H01M4/62 ; H01M10/052
Abstract:
A positive active material for a lithium secondary battery comprises a core comprising a compound that can reversibly intercalate and deintercalate lithium; and a compound attached to the surface of the core and represented by Chemical Formula 1: Li1+xM(I)xM(II)2−xSiyP3−yO12, [Chemical Formula 1] wherein M(I) and M(II) are selected from the group consisting of Al, Zr, Hf, Ti, Ge, Sn, Cr, Nb, Ga, Fe, Sc, In, Y, La, Lu, and Mg, and 0
Public/Granted literature
- US20120107691A1 POSITIVE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND METHOD OF MANUFACTURING SAME Public/Granted day:2012-05-03
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