公开(公告)号：US20240313362A1

公开(公告)日：2024-09-19

申请号：US18674924

申请日：2024-05-27

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yongguang Wang ,  Hui Yang ,  Yangzhi Huang ,  Peng Wang ,  Zhanyu Sun

IPC: H01M50/503 ,  H01M50/211 ,  H01M50/505 ,  H02G5/02

CPC classification number: H01M50/503 ,  H01M50/211 ,  H01M50/505 ,  H02G5/02

Abstract: The present application discloses a busbar assembly, a battery and an electrical apparatus. The busbar assembly comprises a busbar bracket and a busbar. The busbar bracket is provided with a plurality of abutting portions and a plurality of first notches alternately distributed along a preset direction, each of the first notches being used for insertion of a tab of a battery cell assembly. The busbar is connected to at least part of the abutting portions and used for electrical connection with tabs inserted into the first notches. The busbar assembly can reduce the difficulty when assembling with the battery cell assembly.

公开(公告)号：US20240304819A1

公开(公告)日：2024-09-12

申请号：US18664259

申请日：2024-05-14

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xiaonan Cheng ,  Haiyi Hong ,  Lei Li ,  Jianrui Yang ,  Peng Wang ,  Yi Zheng ,  Chengdong Sun

IPC: H01M4/62 ,  H01M4/02 ,  H01M50/42

CPC classification number: H01M4/622 ,  H01M50/42 ,  H01M2004/021

Abstract: This application discloses a binder and a preparation method thereof, a separator, an electrode plate, an electrode assembly, a battery cell, a battery, and an electric apparatus, and relates to the field of battery technologies. The binder includes a coating layer and a core disposed in the coating layer, where the coating layer includes a polyacrylate copolymer, and the core includes ceramic. The binder is applied onto the separator and used in the battery, providing strong adhesion. This enhances the pre-cold pressing adhesion force and hardness of the battery cell, and reduces electrochemical impedance, thus improving the cycling performance of the battery.

公开(公告)号：US12009547B2

公开(公告)日：2024-06-11

申请号：US17564598

申请日：2021-12-29

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wenlin Zhou ,  Yulian Zheng ,  Xinxiang Chen ,  Liangfan Xu ,  Peng Wang ,  Haizu Jin

IPC: H01M50/00 ,  H01M50/147 ,  H01M50/536

CPC classification number: H01M50/536 ,  H01M50/147 ,  H01M2220/20

Abstract: The embodiments of this application provide a battery cell, a battery, an electrical device, and a battery cell manufacturing method and device, which pertains to the technical field of batteries. The battery cell includes an electrode assembly, a housing, an end cover assembly, and a support piece. The electrode assembly includes a main body and tabs. The housing has an opening and is used to accommodate the electrode assembly. The end cover assembly is used to cover the opening. The support piece is located between the main body and the end cover assembly, the tabs are bent around the support piece, and the support piece is configured to prevent the main body from moving along a direction facing the end cover assembly.

公开(公告)号：US11955657B2

公开(公告)日：2024-04-09

申请号：US17935130

申请日：2022-09-25

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Yu Tang ,  Haiqi Yang ,  Zhimin Zeng ,  Peng Wang ,  Xiaoteng Huang

IPC: H01M50/367 ,  H01M50/289 ,  H01M50/342

CPC classification number: H01M50/3425 ,  H01M50/289 ,  H01M2220/20

Abstract: A battery, a powered device, and a method and device for preparing a battery are provided. In some embodiments, the battery includes: a first battery cell and a second battery cell, wherein a pressure relief mechanism of the first battery cell and a pressure relief mechanism of the second battery cell are arranged opposite to 5 each other in a first direction; a box body accommodating the first battery cell and the second battery cell; and a partition component configured to partition the first battery cell and the second battery cell in the first direction, wherein the partition component includes a first wall and a second wall arranged opposite to each other, the first wall is provided with a first through hole, the second wall is provided with a second through hole.

公开(公告)号：US11949079B2

公开(公告)日：2024-04-02

申请号：US17951147

申请日：2022-09-23

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Lei Wang ,  Linggang Zhou ,  Xingdi Chen ,  Peng Wang ,  Derong Wang

IPC: H01M10/613 ,  B60K1/04 ,  H01M10/625 ,  H01M10/6554 ,  H01M10/6556 ,  H01M50/20 ,  H01M50/233 ,  H01M50/236 ,  H01M50/271

CPC classification number: H01M10/613 ,  B60K1/04 ,  H01M10/625 ,  H01M10/6554 ,  H01M10/6556 ,  H01M50/20 ,  H01M50/233 ,  H01M50/236 ,  H01M50/271 ,  H01M2220/20

Abstract: The present disclosure relates to a casing for a battery pack and a battery pack. The casing has a receiving space and an opening in communication with the receiving space, the receiving space is formed by a wall portion of the casing, and the wall portion is formed from two or more stacked base plates, between which a plurality of cavities are formed. By forming a plurality of cavities in the wall portion, the casing for a battery pack provided by the present disclosure not only can improve the bearing capacity and the impact resistance of the casing, but also can achieve a thermal management of the battery assembly by filling the plurality of cavities with a phase change material or cooling liquid, which can further improve the mechanical property of the casing with a relatively light weight and relatively high reliability.

公开(公告)号：US11929515B2

公开(公告)日：2024-03-12

申请号：US17990849

申请日：2022-11-21

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Zhaolin Xie ,  Peng Wang ,  Derong Wang ,  Libing Chan ,  Zengzhong Wang ,  Yifeng Chen

IPC: H01M50/20 ,  H01M50/10 ,  H01M50/202

CPC classification number: H01M50/20 ,  H01M50/10 ,  H01M50/202 ,  H01M2220/20

Abstract: The application relates to a battery pack case and a battery pack. The battery pack case includes: a bottom plate and a side plate connected with the bottom plate, the bottom plate and the side plate surround to form an accommodating portion configured to accommodate a unit cell; the bottom plate is provided with a plurality of first grooves and a plurality of second grooves opening toward the accommodating portion, the plurality of first grooves are spaced apart from each other, the plurality of second grooves are spaced apart from each other, and the first grooves and the second grooves are arranged to cross each other. The bottom plate of the battery pack itself has good rigidity, is not prone to warp deformation, and can prevent the overflow of structural glue from contaminating the wiring harness or electrical components.

公开(公告)号：US20240006687A1

公开(公告)日：2024-01-04

申请号：US18470442

申请日：2023-09-20

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xinxiang Chen ,  Denghua Lin ,  Yulian Zheng ,  Peng Wang ,  Haizu Jin

IPC: H01M50/103 ,  H01M50/507 ,  H01M50/503 ,  H01M50/516

CPC classification number: H01M50/103 ,  H01M50/507 ,  H01M50/503 ,  H01M50/516 ,  H01M2220/20

Abstract: Embodiments provide a battery, an electric device, and a method and a device for preparing battery cell, featuring a higher space utilization. The battery includes: a plurality of battery cells, where the plurality of battery cells are arranged in a first direction, a first region on an edge of a first surface of each of the plurality of battery cells is recessed to form a first recess, a first electrode terminal of each of the battery cells is protrusively provided on a second surface of the battery cell, the first surface and the second surface are perpendicular to the first direction, and the plurality of battery cells include a first battery cell and a second battery cell that are adjacent; and a first busbar configured to connect first electrode terminals of the adjacent first battery cell and second battery cell.

公开(公告)号：US20230420798A1

公开(公告)日：2023-12-28

申请号：US18466850

申请日：2023-09-14

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Langchao Hu ,  Xiaoteng Huang ,  Haiqi Yang ,  Chenyi Xu ,  Xiaozhi Wu ,  Peng Wang ,  Zhanyu Sun

IPC: H01M50/383 ,  H01M50/342 ,  H01M50/673 ,  H01M10/04

CPC classification number: H01M50/383 ,  H01M50/3425 ,  H01M50/673 ,  H01M10/0404 ,  H01M2200/10 ,  H01M2200/20

Abstract: Provided are a battery, an electric apparatus, and a method and an apparatus for manufacturing battery, so as to enhance safety performance of the battery. The battery includes: a battery cell, where a first wall of the battery cell is provided with a pressure relief mechanism; a firefighting pipe configured to accommodate a firefighting medium and discharge the firefighting medium when the pressure relief mechanism is actuated; and a fixing member disposed between the first wall and the firefighting pipe. The firefighting pipe includes a first restraint member, and the fixing member includes a second restraint member, where the two restraint members fit with each other to restrict the firefighting pipe in a first direction and a second direction, the first direction is perpendicular to the first wall, and the second direction is parallel to the first wall and perpendicular to an extending direction of the firefighting pipe.

公开(公告)号：US11830996B1

公开(公告)日：2023-11-28

申请号：US18352276

申请日：2023-07-14

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Haiqi Yang ,  Zhimin Zeng ,  Yu Tang ,  Xiaoteng Huang ,  Peng Wang ,  Chenyi Xu

IPC: H01M10/613 ,  H01M50/588 ,  H01M10/6569 ,  H01M50/505 ,  H01M10/04

CPC classification number: H01M10/613 ,  H01M10/0481 ,  H01M10/6569 ,  H01M50/505 ,  H01M50/588 ,  H01M2220/20

Abstract: Provided are a battery, comprising: a battery cell group comprising N battery cell rows arranged in a first direction, battery cells in each battery cell row being arranged in a second direction, the first direction being perpendicular to the second direction; a signal transmission assembly provided on the first face of the battery cell group and comprising a busbar component and an insulation layer, the busbar component being configured to be electrically connected to the battery cells at holes of the insulation layer; and a cooling system provided between two adjacent battery cell rows in the N battery cell rows, with a blocking member being provided at an opening, facing the first face, of a gap between the two adjacent battery cell rows to block the opening to prevent condensed liquid generated by the cooling system from reaching the busbar component.

公开(公告)号：US11824286B2

公开(公告)日：2023-11-21

申请号：US18148237

申请日：2022-12-29

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Chengyou Xing ,  Yulian Zheng ,  Taosheng Zhu ,  Peng Wang ,  Zhijun Guo

IPC: H01R11/05 ,  H01M50/531 ,  H01M50/50 ,  H01R25/16

CPC classification number: H01R11/05 ,  H01M50/50 ,  H01M50/531 ,  H01R25/161

Abstract: A rechargeable battery includes a battery core and a connection member. The connection member includes a guide plate and a first connecting plate integrally formed on the guide plate and connected to a tab of the battery core. The first connecting plate is disposed in a bendable manner relative to the guide plate, and at least one indentation is present between the first connecting plate and the guide plate. The tab extends from a side of a core body of the battery core in a width direction. At least a portion of the guide plate protrudes, relative to the first connecting plate, towards the core body of the battery core to form a protrusion, and the protrusion abuts against the battery core.