公开(公告)号：US20220166007A1

公开(公告)日：2022-05-26

申请号：US17442219

申请日：2020-01-27

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Takashi Ko ,  Shinya Suzuki ,  Fumiharu Niina ,  Sho Tsuruta ,  Katsunori Yanagida

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

Abstract: In a nonaqueous electrolyte secondary battery, a positive electrode contains a positive electrode active material A. The positive electrode active material A includes: a lithium transition metal composite oxide represented by a general formula of LiaNibCocMndAleMfOg (in the formula, M is at least one element selected from Groups IV, V, and VI, and 0.8≤a≤1.2, b≥0.82, 0

公开(公告)号：US20230335717A1

公开(公告)日：2023-10-19

申请号：US18027802

申请日：2021-08-18

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Natsumi Goto ,  Takashi Ko ,  Sho Tsuruta ,  Kohei Kintsu ,  Fumiharu Niina

IPC: H01M4/36 ,  H01M4/525 ,  H01M4/505 ,  H01M4/131

CPC classification number: H01M4/366 ,  H01M4/525 ,  H01M4/505 ,  H01M4/131 ,  H01M2004/028

Abstract: Provided is a non-aqueous electrolyte secondary battery, wherein: a positive electrode active material includes a lithium transition metal composite oxide containing at least Ni, Mn, and B; 80 mol %≤Ni≤95 mol %; 0 mol %