公开(公告)号：US10454097B2

公开(公告)日：2019-10-22

申请号：US15654455

申请日：2017-07-19

Applicant: NICHIA CORPORATION

Inventor： Kousuke Shimokita ,  Kenta Kawai ,  Kiyofumi Inouchi

IPC: H01M4/36 ,  H01M4/62 ,  H01M4/505 ,  H01M4/485 ,  H01M4/525 ,  H01M10/0525

Abstract: A positive electrode composition for nonaqueous electrolyte secondary battery comprises a lithium transition metal complex oxide represented by a general formula LiaNi1-x-yCoxM1yWzM2wO2, where 1.0≤a≤1.5, 0≤x≤0.5, 0≤y≤0.5, 0.002≤z≤0.03, 0≤w≤0.02, 0≤x+y≤0.7, M1 represents at least one selected from the group consisting of Mn and Al, and M2 represents at least one selected from the group consisting of Zr, Ti, Mg, Ta, Nb and Mo; and a boron compound comprising at least boron element and oxygen element.

公开(公告)号：US09981859B2

公开(公告)日：2018-05-29

申请号：US14526577

申请日：2014-10-29

Applicant: NICHIA CORPORATION

Inventor： Kosuke Shimokita ,  Makoto Shimahara ,  Kiyofumi Inouchi

IPC: H01M4/36 ,  H01M4/505 ,  H01M4/525 ,  C01G53/00 ,  H01M10/0525 ,  H01M4/02

CPC classification number: C01G53/50 ,  C01P2002/50 ,  C01P2006/40 ,  H01M4/366 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M2004/028 ,  H01M2220/20 ,  H01M2220/30 ,  Y02E60/122

Abstract: The present invention provides a positive electrode composition for a non-aqueous electrolyte secondary battery, wherein the composition includes a lithium-transition metal composite oxide represented by the following compositional formula: LiaNi1-x-yCoxM1yM2zMoαNbβO2 wherein 1.00≤a≤1.50, 0.00≤x≤0.50, 0.00≤y≤0.50, 0.000≤z≤0.020, 0.002≤α≤0.020, 0.002≤β≤0.020, and 0.00≤x+y≤0.70, M1 represents at least one element selected from the group consisting of Mn and Al, and M2 represents at least one element selected from the group consisting of Zr, Ti, Mg, Ta, and V, and a boron compound including at least boron and oxygen.

公开(公告)号：US09944537B2

公开(公告)日：2018-04-17

申请号：US14526577

申请日：2014-10-29

Applicant: NICHIA CORPORATION

Inventor： Kosuke Shimokita ,  Makoto Shimahara ,  Kiyofumi Inouchi

IPC: C01G53/00 ,  H01M10/0525 ,  H01M4/505 ,  H01M4/525 ,  H01M4/02

Abstract: The present invention provides a positive electrode composition for a non-aqueous electrolyte secondary battery, wherein the composition includes a lithium-transition metal composite oxide represented by the following compositional formula: LiaNi1-x-yCoxM1yM2zMoαNbβO2 wherein 1.00≤a≤1.50, 0.00≤x≤0.50, 0.00≤y≤0.50, 0.000≤z≤0.020, 0.002≤α≤0.020, 0.002≤β≤0.020, and 0.00≤x+y≤0.70, M1 represents at least one element selected from the group consisting of Mn and Al, and M2 represents at least one element selected from the group consisting of Zr, Ti, Mg, Ta, and V, and a boron compound including at least boron and oxygen.