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：US20230227321A1

公开(公告)日：2023-07-20

申请号：US18124021

申请日：2023-03-21

申请人： CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

发明人： Jiarui TIAN ,  Yongsheng GUO ,  Chuying OUYANG ,  Xinxin ZHANG ,  Liting HUANG ,  Shuojian SU ,  Wenguang LIN ,  Jinyu ZHANG

IPC分类号： C01C3/11

CPC分类号： C01C3/11 ,  C01P2006/40 ,  C01P2004/32 ,  C01P2004/61 ,  C01P2006/11

摘要： Embodiments of the present application provide a Prussian blue-like transition metal cyanide, a preparation method therefor, and related positive electrode plate, secondary battery, battery pack and device. The Prussian blue-like transition metal cyanide may comprise secondary particles which comprise a plurality of primary particles, wherein the primary particles may have a spherical or spherical-like morphology.