Invention Grant
US07655358B2 Positive active material composition for rechargeable lithium battery and method of preparing positive electrode using same
有权
用于可再充电锂电池的正极活性材料组合物和使用其制备正极的方法
- Patent Title: Positive active material composition for rechargeable lithium battery and method of preparing positive electrode using same
- Patent Title (中): 用于可再充电锂电池的正极活性材料组合物和使用其制备正极的方法
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Application No.: US11510301Application Date: 2006-08-25
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Publication No.: US07655358B2Publication Date: 2010-02-02
- Inventor: Ho-Jin Kweon , Geun-Bae Kim , Hyun-Suk Jeong , Dong-Gon Park , Ki-Ho Kim
- Applicant: Ho-Jin Kweon , Geun-Bae Kim , Hyun-Suk Jeong , Dong-Gon Park , Ki-Ho Kim
- Applicant Address: KR
- Assignee: Samsung SDI Co., Ltd.
- Current Assignee: Samsung SDI Co., Ltd.
- Current Assignee Address: KR
- Agency: Blakely, Sokoloff, Taylor & Zafman
- Priority: KR99-18802 19990525; KR99-18803 19990525; KR99-34414 19990819; KR99-42394 19991001
- Main IPC: H01M4/58
- IPC: H01M4/58
Abstract:
A positive active material composition for a rechargeable battery includes a positive active material selected from compounds represented by formulas 1 to 13, and at least one semi-metal, metal or oxides thereof: LixMnA2 (1) LixMnO2−zAz (2) LixMn1−yM′yA2 (3) LixMn2A4 (4) LixMn2O4−zAz (5) LixMn2−yM′yA4 (6) LixBA2 (7) LixBO2−zAz (8) LixB1−yM″yA2 (9) LixB1−yM″yO2-zAz (10) LixNiCoO2−zAz (11) LixNiCoO2−zAz (12) LixNi1−y-zCoyM″zA2 (13) where 1.0≦x≦1.1, 0.01≦y≦0.1, 0.01≦z≦0.5, M′ is at least one transition metal or lanthanide metal selected from Al, Cr, Co, Mg, La, Ce, Sr, or V, M″ is at least one transition metal or lanthanide metal selected from Al, Cr, Mn, Fe, Mg, La, Ce, Sr or V, A is selected from 0, F, S or P, and B is Ni or Co.
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