Invention Grant
US09105928B2 Positive active material for rechargeable lithium battery, method of preparing same, and rechargeable lithium battery including same
有权
用于可再充电锂电池的正极活性材料，其制备方法和包括其的可再充电锂电池
- Patent Title: Positive active material for rechargeable lithium battery, method of preparing same, and rechargeable lithium battery including same
- Patent Title (中): 用于可再充电锂电池的正极活性材料，其制备方法和包括其的可再充电锂电池
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Application No.: US13684948Application Date: 2012-11-26
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Publication No.: US09105928B2Publication Date: 2015-08-11
- Inventor: Masatsugu Nakano
- Applicant: Masatsugu Nakano
- Applicant Address: KR Yongin-si, Gyeonggi-do
- Assignee: SAMSUNG SDI CO., LTD.
- Current Assignee: SAMSUNG SDI CO., LTD.
- Current Assignee Address: KR Yongin-si, Gyeonggi-do
- Agency: Lee & Morse, P.C.
- Priority: JP2011-257976 20111125; KR10-2012-0085986 20120806
- Main IPC: H01M4/13
- IPC: H01M4/13 ; H01M4/505 ; H01M4/04 ; H01M4/525 ; C01G45/12 ; C01G53/00
Abstract:
A positive active material for a rechargeable lithium battery may include a solid solution represented by Chemical Formula 1. xLi2MnO3.(1−x)LiMO2 [Chemical Formula 1] In Chemical Formula 1, 0.1≦x≦0.6, and M and may be a metal composite compound represented by Chemical Formula 2. MnaCobNic. [Chemical Formula 2] In Chemical Formula 2, 0.3≦a≦0.5, 0.05≦b≦0.3, 0.3≦c≦0.55, and a+b+c=1.
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