公开(公告)号：US20240083759A1

公开(公告)日：2024-03-14

申请号：US18388884

申请日：2023-11-13

申请人： CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

发明人： Jiarui TIAN ,  Xinxin ZHANG ,  Chuying OUYANG ,  Yongsheng GUO ,  Jiadian LAN ,  Jixiang WANG ,  Wenguang LIN ,  Yuejuan WAN

IPC分类号： C01C3/11 ,  H01M10/054

CPC分类号： C01C3/11 ,  H01M10/054 ,  C01P2004/51 ,  C01P2004/61 ,  C01P2006/12 ,  C01P2006/40 ,  C01P2006/82

摘要： The present application provides a positive electrode active material which may be in a particulate form and comprise a compound represented by Formula 1:


NaxAyM1[M2(CN)6]δ·zH2O  Formula 1



wherein, A is selected from at least one of an alkali metal element and an alkaline earth metal element, and the ionic radius of A is greater than the ionic radius of sodium; M1 and M2 are each independently selected from at least one of a transition metal element, 0

公开(公告)号：US20220115653A1

公开(公告)日：2022-04-14

申请号：US17558646

申请日：2021-12-22

申请人： CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

发明人： Liting HUANG ,  Yongsheng GUO ,  Chengdu LIANG ,  Jiadian LAN ,  Wenguang LIN

IPC分类号： H01M4/485 ,  H01M4/587 ,  H01M10/054 ,  H01M4/505 ,  H01M4/525

摘要： This application relates to a sodium-ion battery, a positive electrode plate for a sodium-ion battery, a battery module, a battery pack, and a device. The sodium-ion battery according to this application includes a positive electrode plate, a negative electrode plate, a separator, and an electrolytic solution. The positive electrode plate includes a positive active material. A molecular formula of the positive active material satisfies NaaLibM0.7Fe0.3−bO2±δ, M is a transition metal ion, 0.67

公开(公告)号：US20240105923A1

公开(公告)日：2024-03-28

申请号：US18529592

申请日：2023-12-05

申请人： CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

发明人： Jiarui TIAN ,  Xinxin ZHANG ,  Chuying OUYANG ,  Yongsheng GUO ,  Yuejuan WAN ,  Wenguang LIN ,  Jiadian LAN ,  Jixiang WANG

IPC分类号： H01M4/38 ,  H01M4/36 ,  H01M4/58 ,  H01M10/052

CPC分类号： H01M4/381 ,  H01M4/366 ,  H01M4/58 ,  H01M10/052 ,  H01M2004/028

摘要： A positive electrode active material is granular and comprises a compound represented by formula 1: (NaxAy)a□bM1[M2(CN)6]δ, wherein A is selected from at least one of alkali metal elements and has an ionic radius greater than that of sodium, M1 and M2 are each independently selected from at least one of transition metal elements, 0