公开(公告)号：US20230020361A1

公开(公告)日：2023-01-19

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: H01M50/20 ,  H01M10/613 ,  H01M10/625 ,  H01M10/6554 ,  H01M10/6556 ,  B60K1/04

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：US11539092B2

公开(公告)日：2022-12-27

申请号：US16977508

申请日：2018-12-28

Applicant: Contemporary Amperex Technology Co., Limited

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

IPC: H01M50/20 ,  H01M50/10

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：US10930909B2

公开(公告)日：2021-02-23

申请号：US16358864

申请日：2019-03-20

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Qing Wang ,  Linggang Zhou ,  Derong Wang

IPC: H01M2/10 ,  H01M2/12 ,  H01M10/42 ,  H01M2/02

Abstract: The present disclosure relates to a protective pressure plate and a battery module. The protective pressure plate comprises a pressure plate body having a strip-like shape. The pressure plate body includes an upper surface and a lower surface that are opposed in a thickness direction of the pressure plate body and two side surfaces that are opposed in a width direction of the pressure plate body. At least one portion of each of the side surfaces is recessed toward a center line of the pressure plate body to form a protective recess. The upper surface of the pressure plate body has a maximum width greater than a maximum width of the lower surface. The protective pressure plate according to the embodiment of the present disclosure can be used to fix the circuit board and protect the bonding wires, thereby improving the use safety and stability of the battery module.

公开(公告)号：US10818896B2

公开(公告)日：2020-10-27

申请号：US16053579

申请日：2018-08-02

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Shangfu Zhang ,  Kaiqin Yu ,  Yincheng Huang ,  Lin Ma ,  Derong Wang ,  Linggang Zhou

IPC: H01M2/10 ,  H01M2/02 ,  H01M2/12 ,  H01M10/647

Abstract: The present disclosure provides a frame and a battery module. The frame is composed of a peripheral wall, the peripheral wall encloses to form a receiving cavity closed in a circumferential direction and opened at two ends in an axial direction, the peripheral wall is provided with at least one adhesive injection hole passing through the peripheral wall. The battery module comprises a plurality of secondary batteries arranged side by side, the frame and an adhesive. The secondary batteries are received in the receiving cavity. The adhesive comprises: a first part which adheres every two adjacent secondary batteries; a second part which adheres two secondary batteries positioned at outermost sides of the plurality of secondary batteries in an arrangement direction with the peripheral wall; a third part which adheres a lower side of the first part and a lower side of the second part with the peripheral wall.

公开(公告)号：US20200035977A1

公开(公告)日：2020-01-30

申请号：US16512235

申请日：2019-07-15

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Buwei WU ,  Le Zhang ,  Yincheng Huang ,  Linggang Zhou ,  Derong Wang ,  Huabin Zou

IPC: H01M2/20 ,  H01M2/10 ,  H01M2/26 ,  H01M10/48 ,  H01M2/30

Abstract: The present disclosure provides an isolation board assembly and a battery module, the isolation board assembly comprises an isolation board and electrical connection pieces. The isolation board comprises: a plurality of supporting portions; a plurality of first limiting portions, each first limiting portion and the corresponding supporting portion form an interval. Each electrical connection piece comprises a first end portion and a second end portion. The first end portion is received in the interval, clamped and fixed by the first limiting portion and the supporting portion, and the second end portion extends out of the supporting portion. The assembly manner is simple and fast, which improves the assembling efficiency. Because the first end portion is supported on the supporting portion, the second end portion extends out of the supporting portion, it makes the dimension of the isolation board is small, thereby decreasing the volume and weight of the isolation board.

公开(公告)号：US12034137B2

公开(公告)日：2024-07-09

申请号：US16962605

申请日：2018-12-28

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Kaijie You ,  Linggang Zhou ,  Derong Wang ,  Libing Chan

IPC: H01M10/6554 ,  H01M10/42 ,  H01M10/613 ,  H01M10/625 ,  H01M10/647 ,  H01M10/653 ,  H01M50/209 ,  H01M50/244

CPC classification number: H01M10/6554 ,  H01M10/425 ,  H01M10/613 ,  H01M10/625 ,  H01M10/647 ,  H01M10/653 ,  H01M50/209 ,  H01M50/244 ,  H01M2220/20

Abstract: This disclosure relates to the technical field of energy storage devices, and in particular, to a mounting bracket for a cell supervision circuit, a battery pack, and a vehicle. The mounting bracket includes: a management system mounting part, including a management system mounting surface, which is configured to mount a cell supervision circuit; and a thermally conductive part, configured to fit snugly to a container of the battery pack, which is connected to one end of the management system mounting part, and disposed on a side where the management system mounting surface is located.

公开(公告)号：US11495922B2

公开(公告)日：2022-11-08

申请号：US17132174

申请日：2020-12-23

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Jianwei Li ,  Zhiqin Weng ,  Shengshen Ruan ,  Mingping Yang ,  Linggang Zhou ,  Libing Chan ,  Derong Wang

IPC: H01R13/703 ,  H01M50/531 ,  H01M50/244 ,  H01M50/583 ,  H01R13/68 ,  H01R31/08 ,  H01R13/11 ,  H01R13/504 ,  H01R13/639

Abstract: A multifunctional high-voltage connector and a battery product are disclosed. The multifunctional high-voltage connector includes: a fuse, a socket, and a plug. The socket includes a base and a socket terminal. The plug includes a seat and a plug terminal. The base includes: a first main body portion; a first accommodating portion, protruding from the first main body portion; and a second accommodating portion, protruding from the first main body portion and provided to be spaced apart from the first accommodating portion. The fuse is accommodated in the first accommodating portion. At least a part of the socket terminal is accommodated in the second accommodating portion. The seat of the plug is inserted into the second accommodating portion of the base.

公开(公告)号：US11309602B2

公开(公告)日：2022-04-19

申请号：US16433680

申请日：2019-06-06

Applicant: Contemporary Amperex Technology Co., Limited

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

IPC: H01M50/147 ,  H01M10/6556 ,  H01M50/10 ,  H01M50/148 ,  H01M10/617 ,  H01M10/625

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, wherein an island is disposed within the cavity. By disposing islands in the plurality of cavities, the casing provided by the present disclosure not only can improve the structural strength of the casing and of the cavities, but also can change the flow capacity and flow rate of the fluid in the cavities, which can make the temperature distribution of the casing more uniform, increase the heat exchange efficiency of the battery assembly, and further improve the thermal management of the battery pack.

公开(公告)号：US11289750B2

公开(公告)日：2022-03-29

申请号：US17220929

申请日：2021-04-02

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Linggang Zhou ,  Derong Wang ,  Yanhuo Xiang

IPC: H01M10/653 ,  H01M10/613 ,  H01M10/647 ,  H01M50/204 ,  H01M50/233 ,  H01M50/271

Abstract: The present disclosure relates to the technical field of assembly of a battery pack, and particularly, to a battery pack. The battery pack includes a housing. A plurality of cells is arranged in interior of the housing. A structural adhesive is filled between a bottom of the housing and the plurality of cells, and the plurality of cells is adhered to the housing through the structural adhesive. In the battery pack provided in the present disclosure, the cells are arranged in the interior of the housing, and the housing is adhered to the cells through the structural adhesive. The structural adhesive can functions as fixing the cells, such that a frame structure of a module can be omitted, the number of components in the battery pack can be reduced, manufacture process can be reduced, assembling efficiency can be improved, and manufacturing cost can be reduced.

公开(公告)号：US10714717B2

公开(公告)日：2020-07-14

申请号：US15986110

申请日：2018-05-22

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Chuanlian Chen ,  Yanhuo Xiang ,  Derong Wang

IPC: H01M2/02 ,  H01M2/10 ,  H01M2/20 ,  H01M2/26 ,  H01M2/30 ,  H01R4/06 ,  H01R11/28 ,  H01M10/42 ,  H01M10/48 ,  B23K26/24 ,  H01R43/02 ,  H01R43/16 ,  H01R4/62 ,  H01R12/58

Abstract: The present invention provides a battery module, including: a plurality of power batteries, module casing, separating plate, battery connecting strips, detecting terminals and cell module controller; the power batteries are disposed in module casing, separating plate is arranged above power batteries, through-holes are arranged on separating plate corresponding to electrode terminals of power batteries, battery connecting strips are arranged above separating plate, and are connected with electrode terminals of power batteries through through-holes, so that all power batteries are electrically connected, cell module controller is arranged above separating plate, press-fit holes are provided on cell module controller, terminal connecting portion is arranged on battery connecting strip, detecting terminal is located between separating plate and cell module controller, one end of detecting terminal is connected with terminal connecting portion, the other end of detecting terminal is provided with press-fit contact, press-fit contact is connected in press-fit with press-fit hole.