公开(公告)号：US20240266522A1

公开(公告)日：2024-08-08

申请号：US18592505

申请日：2024-02-29

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Shunli HE ,  Zibin LIANG ,  Yuhao WANG ,  Qiang LI ,  Wenguang LIN ,  Xinxin ZHANG ,  Jinhua HE

IPC: H01M4/485 ,  H01M4/02 ,  H01M4/36 ,  H01M10/054

CPC classification number: H01M4/485 ,  H01M4/366 ,  H01M2004/028 ,  H01M10/054

Abstract: An electrode active material includes a layered metal oxide. The layered metal oxide has the following general formula: NaxM1aM2bMn1-a-bO2-zFz; where 0.55≤x≤0.85, a≥0, b≥0, 0.1≤a+b≤0.33, and 0.06≤z/(1−a−b)≤0.13; M1 is selected from one or more of alkali metal elements other than Na and alkaline earth metal elements; and M2 is selected from one or more of transition metal elements other than Mn.

公开(公告)号：US20240043463A1

公开(公告)日：2024-02-08

申请号：US18380664

申请日：2023-10-17

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Shaojun LIU ,  Wenwei ZHAN ,  Xinxin ZHANG ,  Chuying OUYANG ,  Qingzheng LI

IPC: C07F19/00 ,  H01M4/58 ,  C01B25/45 ,  B01J14/00 ,  B01J19/24 ,  B01J19/06 ,  B01J19/10 ,  B01J19/00

CPC classification number: C07F19/00 ,  H01M4/5825 ,  C01B25/45 ,  B01J14/00 ,  B01J19/245 ,  B01J19/06 ,  B01J19/10 ,  B01J19/0013 ,  H01M2004/028

Abstract: A continuous reaction system for preparing a ferromanganese oxalate precursor may comprise a first dissolution reactor, a second dissolution reactor, a first reactor, a second reactor, a material storage tank, and an ultrasonic reactor; the first dissolution reactor may be configured to accommodate a metal salt solution required for preparing the ferromanganese oxalate precursor, and the second dissolution reactor may be configured to accommodate a precipitant solution required for preparing the ferromanganese oxalate precursor; the first reactor may include a first feed port and a first overflow port, and the first feed port of the first reactor may be interconnected to a first discharge port of the first dissolution reactor and a second discharge port of the second dissolution reactor respectively through two pipelines.

公开(公告)号：US20230238518A1

公开(公告)日：2023-07-27

申请号：US18128296

申请日：2023-03-30

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Zibin LIANG ,  Qiang LI ,  Yuhao WANG ,  Xinxin ZHANG ,  Jinhua HE

IPC: H01M4/36 ,  H01M10/054 ,  H01M4/505 ,  H01M4/525 ,  H01M4/131 ,  C01B33/32 ,  C01B35/04 ,  C01G53/00

CPC classification number: H01M4/366 ,  H01M10/054 ,  H01M4/505 ,  H01M4/525 ,  H01M4/131 ,  C01B33/32 ,  C01B35/04 ,  C01G53/66 ,  C01G53/44 ,  C01P2002/72

Abstract: A layered-oxide positive electrode active material may have a molecular formula of NaxMnaFebNicMdNeO2-δQf, where a doping element M is selected from at least one of Cu, Li, Ti, Zr, K, Sb, Nb, Mg, Ca, Mo, Zn, Cr, W, Bi, Sn, Ge, or Al, a doping element N is selected from at least one of Si, P, B, S, or Se, a doping element Q is selected from at least one of F, Cl, or N, 0.66≤x≤1, 0

公开(公告)号：US20230227321A1

公开(公告)日：2023-07-20

申请号：US18124021

申请日：2023-03-21

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

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

IPC: C01C3/11

CPC classification number: C01C3/11 ,  C01P2006/40 ,  C01P2004/32 ,  C01P2004/61 ,  C01P2006/11

Abstract: 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.