发明申请
US20080026292A1 CATHODE MATERIALS FOR LITHIUM BATTERY HAVING HIGHER PERFORMANCE
有权
具有更高性能的锂离子电池的阴极材料
- 专利标题: CATHODE MATERIALS FOR LITHIUM BATTERY HAVING HIGHER PERFORMANCE
- 专利标题(中): 具有更高性能的锂离子电池的阴极材料
-
申请号: US11688358申请日: 2007-03-20
-
公开(公告)号: US20080026292A1公开(公告)日: 2008-01-31
- 发明人: Jens Paulsen , Hong-Kyu Park , Sun SHIN , Sinyoung PARK , Hyeyun CHA
- 申请人: Jens Paulsen , Hong-Kyu Park , Sun SHIN , Sinyoung PARK , Hyeyun CHA
- 申请人地址: KR Seoul 150-721
- 专利权人: LG CHEM, LTD.
- 当前专利权人: LG CHEM, LTD.
- 当前专利权人地址: KR Seoul 150-721
- 优先权: KR1020060025116 20060320
- 主分类号: H01M4/52
- IPC分类号: H01M4/52
摘要:
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
公开/授权文献
信息查询