公开(公告)号：US20240145785A1

公开(公告)日：2024-05-02

申请号：US18409809

申请日：2024-01-11

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Jianfu HE ,  Qian LIU ,  Yonghuang YE ,  Haizu JIN ,  Tao ZHANG ,  Xueyang SUN

IPC: H01M10/0587 ,  H01M10/0525 ,  H01M10/647 ,  H01M50/249

CPC classification number: H01M10/0587 ,  H01M10/0525 ,  H01M10/647 ,  H01M50/249 ,  H01M2220/20

Abstract: This application provides an electrode assembly, a battery cell, a battery, and an electric apparatus, and pertains to the field of battery technologies. The electrode assembly may include a negative electrode plate and a positive electrode plate. The negative electrode plate may include a negative electrode active substance layer, and a first electrolyte storage trough may be disposed on the negative electrode active substance layer. The positive electrode plate may include a positive electrode active substance layer, the positive electrode active substance layer and the negative electrode active substance layer may be disposed opposite each other in a first direction, and a second electrolyte storage trough may be disposed on the positive electrode active substance layer, the second electrolyte storage trough and the first electrolyte storage trough being disposed opposite each other in the first direction.

公开(公告)号：US20230163419A1

公开(公告)日：2023-05-25

申请号：US18094415

申请日：2023-01-09

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Jianfu HE ,  Yonghuang YE ,  Qian LIU ,  Xueyang SUN ,  Tao ZHANG ,  Haizu JIN

IPC: H01M50/474

CPC classification number: H01M50/474

Abstract: A battery cell may include a housing, an electrode assembly, and a first support structure. The housing may be provided with an accommodating cavity. The electrode assembly may be accommodated in the accommodating cavity, and include a main body portion and a thinned portion. At least one end of the main body portion in a first direction may be connected to the thinned portion. The first support structure may be arranged corresponding to the thinned portion, and configured to support the thinned portion when the electrode assembly is expanded.

公开(公告)号：US20240421285A1

公开(公告)日：2024-12-19

申请号：US18817518

申请日：2024-08-28

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Tao ZHANG ,  Jianfu HE ,  Qian LIU ,  Yonghuang YE ,  Chen CUI

IPC: H01M4/36 ,  H01M4/02 ,  H01M50/102

Abstract: The present application provides a battery cell, a battery and an electrical apparatus, which belong to the technical field of batteries. The battery cell includes a case and at least three electrode assemblies; a cavity is defined in the case, the cavity includes a first region and a second region, the first region is closer to the case than the second region, a polarization parameter of a single electrode assembly located in the first region is PA, a polarization parameter of a single electrode assembly located in the second region is PB, and PA

公开(公告)号：US20240145662A1

公开(公告)日：2024-05-02

申请号：US18405420

申请日：2024-01-05

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yunfei MA ,  Tao ZHANG

IPC: H01M4/04

CPC classification number: H01M4/0404

Abstract: The present application provides a deviation-correcting method and apparatus for double-sided coating, and relates to the technical field of manufacturing of batteries. The method includes: acquiring a first distance between an edge of a coating area on a first surface of an electrode plate substrate and an edge of the electrode plate substrate from a deviation-correcting cross section; acquiring a second distance between an edge of a coating area on a second surface of the electrode plate substrate and the edge of the electrode plate substrate from the deviation-correcting cross section; determining edge deviation information of the coating areas; determining a first deviation-adjusting range; and in a case that a first intersection is present in the first deviation-correcting range, determining a deviation-correcting quantity of the electrode plate substrate. According to the method, the problem of the deviation of the coating areas in the coating process can be improved.

公开(公告)号：US20230278812A1

公开(公告)日：2023-09-07

申请号：US18315491

申请日：2023-05-10

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Zhihui ZHEN ,  Tao ZHANG

IPC: B65G53/42 ,  B65G53/24 ,  B65G53/28 ,  B65B69/00

CPC classification number: B65G53/42 ,  B65G53/24 ,  B65G53/28 ,  B65B69/0008 ,  B65G2201/04

Abstract: A suction gun includes a gun head is provided with a material suction port configured to suck a material located in an area for sucking, and an air blowing structure including an air blowing pipe and an air blowing hole provided on a pipe wall of the air blowing pipe. The air blowing hole is configured to blow an air flow so as to blow the material to the material suction port.

公开(公告)号：US20220123320A1

公开(公告)日：2022-04-21

申请号：US17561748

申请日：2021-12-24

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Chengdu LIANG ,  Yongsheng GUO ,  Tao ZHANG ,  Chengyong LIU ,  Jun YANG

IPC: H01M4/62 ,  B22F1/145 ,  H01M4/38 ,  H01M10/0525

Abstract: Disclosed are a lithium metal composite electrode material for a lithium metal battery, a preparation method for the same, and an electrode, battery, battery module, battery pack and apparatus comprising the same. The lithium metal composite electrode material comprises: lithium metal particles and a lithium-containing conductive layer serving as a supporting framework, the supporting framework being filled with the lithium metal particles; wherein the lithium-containing conductive layer comprises an inorganic lithium compound and a lithium alloy. The lithium metal composite electrode material can solve the problems that, when lithium metal is used as a negative electrode, the electrolyte is easily consumed, and lithium dendrites are easily produced, deposited and dissolved to change electrode thickness, which in turn affects the cycle stability, electrical performance and structural stability of the battery, so as to achieve the purpose of improving the structural stability and cycle stability of the lithium metal electrode.