Invention Grant
- Patent Title: Cathode materials for lithium battery having higher performance
- Patent Title (中): 锂电池的阴极材料具有较高的性能
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Application No.: US11688358Application Date: 2007-03-20
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Publication No.: US08951435B2Publication Date: 2015-02-10
- Inventor: Jens M Paulsen , Hong-Kyu Park , Sun Sik Shin , Sinyoung Park , Hyeyun Cha
- Applicant: Jens M Paulsen , Hong-Kyu Park , Sun Sik Shin , Sinyoung Park , Hyeyun Cha
- Applicant Address: KR
- Assignee: LG Chem, Ltd.
- Current Assignee: LG Chem, Ltd.
- Current Assignee Address: KR
- Agency: Lerner, David, Littenberg, Krumholz & Mentlik, LLP
- Priority: KR10-2006-0025116 20060320
- Main IPC: H01J7/18
- IPC: H01J7/18 ; H01M4/88
Abstract:
Provided is a cathode material for a lithium secondary battery, comprising a heat-treated mixture of an oxide powder (a) represented by Formula I and an oxide powder (b) represented by Formula II, wherein a mixing ratio of the oxide powder (a):oxide powder (b) is in a range of 30:70 to 90:10, the oxide powder (a) is monolithic particles having a D50 of more than 10 μm, and the oxide powder (b) is agglomerated particles having a D50 of less than 10 μm, and heat treatment is carried out at a temperature of 400° C. or higher. LiCoO2 (I) LizMO2 (II) wherein 0.95
Public/Granted literature
- US20080026292A1 CATHODE MATERIALS FOR LITHIUM BATTERY HAVING HIGHER PERFORMANCE Public/Granted day:2008-01-31
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