发明授权
- 专利标题： Cathode for lithium-ion secondary battery, lithium-ion secondary battery, vehicle and power storage system equipped with the battery
- 专利标题（中）： 锂离子二次电池阴极，锂离子二次电池，车载蓄电系统配备电池
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申请号： US13034431申请日： 2011-02-24
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公开(公告)号： US09023522B2公开(公告)日： 2015-05-05
- 发明人: Akira Gunji , Shin Takahashi , Takashi Naito , Tadashi Fujieda
- 申请人： Akira Gunji , Shin Takahashi , Takashi Naito , Tadashi Fujieda
- 申请人地址： JP Tokyo
- 专利权人： Hitachi, Ltd.
- 当前专利权人： Hitachi, Ltd.
- 当前专利权人地址： JP Tokyo
- 代理机构： Baker Botts L.L.P.
- 优先权： JP2010-048547 20100305
- 主分类号： H01M4/48
- IPC分类号： H01M4/48 ; H01M4/525
摘要：
A cathode for a lithium-ion secondary battery is provided, which not only efficiently absorbs oxygen released from a solid solution based cathode active material when initial charging is applied but prevents a cathode energy density from lowering. Further, a lithium-ion secondary battery, a vehicle and a power storage system equipped with the lithium-ion secondary battery are provided. The cathode for a lithium-ion secondary battery comprises a cathode active material represented by the general formula: xLi2MO3-(1−x)LiM′O2 (where 0
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