公开(公告)号：US20210167375A1

公开(公告)日：2021-06-03

申请号：US17172060

申请日：2021-02-09

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Liting Huang ,  Qian Liu ,  Chengdu Liang ,  Yongsheng Guo ,  Wenguang Lin ,  Jiadian Lan

IPC: H01M4/505 ,  H01M4/525 ,  H01M10/054

Abstract: A positive electrode active material and a preparation process thereof, a sodium ion battery (5) and an apparatus containing the sodium ion battery (5) are described, the positive electrode active material satisfying the chemical formula of Na0.67MnxAyBzO2±δ, in which A is selected from one or more of Co, Ni and Cr, B is selected from one or more of Mg, Al, Ca, Ti, Cu, Zn and Ba, 0.6 0, x+y+z=1, 0≤δ≤0.1, and (I) 3 . 3  3 + 2  ( δ - y - z ) 4

公开(公告)号：US11196046B2

公开(公告)日：2021-12-07

申请号：US17172060

申请日：2021-02-09

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Liting Huang ,  Qian Liu ,  Chengdu Liang ,  Yongsheng Guo ,  Wenguang Lin ,  Jiadian Lan

IPC: H01M4/505 ,  H01M4/525 ,  H01M10/054 ,  H01M4/02

Abstract: A positive electrode active material and a preparation process thereof, a sodium ion battery (5) and an apparatus containing the sodium ion battery (5) are described, the positive electrode active material satisfying the chemical formula of Na0.67MnxAyBzO2±δ, in which A is selected from one or more of Co, Ni and Cr, B is selected from one or more of Mg, Al, Ca, Ti, Cu, Zn and Ba, 0.6 0, x+y+z=1, 0≤δ≤0.1, and (I) 3 . 3 ⁢ 3 + 2 ⁢ ( δ - y - z ) 4