-
公开(公告)号:US12051804B2
公开(公告)日:2024-07-30
申请号:US17020136
申请日:2020-09-14
Applicant: BASF TODA BATTERY MATERIALS LLC
Inventor: Junji Kashiwagi , Daisuke Nishikawa , Satoshi Nakamura , Kazutoshi Ishizaki , Kazumichi Koga , Hiroyoshi Noguchi , Takahiko Sugihara , Kazutoshi Matsumoto
CPC classification number: H01M4/525 , H01M4/0471 , H01M4/505 , H01M10/0427 , H01M10/0525 , H01M2004/028
Abstract: Excellent thermal stability in addition to excellent cycle property with maintaining a sufficient battery capacity is shown by positive electrode active material particles having a layered rock salt structure, represented by the compositional formula: (LiγXe)(NiaCobXcZd)O2, in the compositional formula: X is a divalent metallic element capable of substituting for Li-site; Z is a metallic element containing at least Al and/or Mn, other than X; 0.93≤γ≤1.15; 0.82≤a