公开(公告)号：US10581070B2

公开(公告)日：2020-03-03

申请号：US15551353

申请日：2017-07-28

Applicant: APPLE INC.

Inventor： Huiming Wu ,  Hongli Dai ,  Chi-Kai Lin ,  Fiona C. Strobridge

IPC: H01M4/36 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M4/58 ,  H01M4/02

Abstract: Cathode active materials have composite particles each with a base particle having the following formula: LiαNixMyCozO2, wherein 0.95≤α≤1.5, 0.6≤x≤1.0, 0≤y≤0.5, 0≤z≤0.5; x+y+z=1; and M is one of Mn and Al, and coating particles coating each base particle, the coating particles having the following formula: LiaNibMncCodO2, wherein 0.95≤a≤1.5, 0≤b≤0.35, 0≤c≤1.0, 0≤d≤1.0 and b+c+d=1.

公开(公告)号：US20180233737A1

公开(公告)日：2018-08-16

申请号：US15551353

申请日：2017-07-28

Applicant: APPLE INC.

Inventor： Huiming Wu ,  Hongli Dai ,  Chi-Kai Lin ,  Fiona C. Strobridge

IPC: H01M4/36 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M4/58

CPC classification number: H01M4/366 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/5825 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2004/028

Abstract: Cathode active materials have composite particles each with a base particle having the following formula: LiαNixMyCozO2, wherein 0.95≤α≤1.5, 0.6≤x≤1.0, 0≤y≤0.5, 0≤z≤0.5; x+y+z=1; and M is one of Mn and Al, and coating particles coating each base particle, the coating particles having the following formula: LiaNibMncCodO2, wherein 0.95≤a≤1.5, 0≤b≤0.35, 0≤c≤1.0, 0≤d≤1.0 and b+c+d=1.