公开(公告)号：US12087955B2

公开(公告)日：2024-09-10

申请号：US17551471

申请日：2021-12-15

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Kangyu Wang ,  Mu Qian ,  Wenhui Zhang ,  Rongcai Chen

IPC: H01M50/262 ,  H01M50/209 ,  H01M50/249

CPC classification number: H01M50/209 ,  H01M50/249 ,  H01M50/262 ,  H01M2220/20

Abstract: A bracket, a battery assembly, and a power consumption device are provided. The bracket is configured for being connected to batteries and a power consumption device body; each of the batteries includes a sealed box body and a battery cell accommodated in the box body; the bracket includes a pair of first beams which are oppositely arranged and at least one support beam, and each support beam is connected to the pair of first beams, the at least one support beam separates a space between the pair of first beams into a plurality of subspaces, the plurality of subspaces are arranged along a length direction of the first beam, each subspace is used for accommodating at least one of the batteries, and each support beam separates two adjacent subspaces and is used for installing the box bodies of the batteries accommodated in the two adjacent subspaces.

公开(公告)号：US11600886B2

公开(公告)日：2023-03-07

申请号：US17124477

申请日：2020-12-16

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yannan Chu ,  Mu Qian ,  Jinqing Ji

IPC: H01M50/249 ,  H01M50/143 ,  H01M50/317 ,  H01M50/383 ,  H01M50/242 ,  H01M50/103 ,  H01M50/209 ,  H01M50/271 ,  H01M50/291 ,  H01M50/30 ,  H01M10/625 ,  H01M10/6556 ,  H01M10/6561

Abstract: The present application provides a battery pack. The battery pack comprises a case, a cavity structure being provided in the bottom of the case; and a plurality of battery cells, the plurality of battery cells being stacked at the bottom of the case, and an end surface, facing the bottom of the case, of each of the battery cells being provided with an explosion-proof valve, wherein a structural layer, facing the explosion-proof valve, of the bottom of the case is provided with a weak area, and gas in the battery cell during thermal runaway of any battery cell may be collected via the weak area into the cavity structure and then is discharged.

公开(公告)号：US11554654B2

公开(公告)日：2023-01-17

申请号：US17462827

申请日：2021-08-31

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yannan Chu ,  Jinqing Ji ,  Mu Qian ,  Jiubiao Lin

IPC: H01M4/02 ,  B60K1/04 ,  H01M50/244 ,  H01M50/236 ,  H01M50/258 ,  H01M50/204

Abstract: A battery tray and a vehicle include a frame structure including a plurality of frames sequentially connected end to end arranged to be connected to the vehicle, and a base plate structure including an inner base plate and a reinforcing beam, wherein the inner base plate is located on an inner side of the reinforcing beam and arranged for mounting a battery module. The battery tray further includes a reinforcing block, wherein the reinforcing block is connected to a corresponding frame and the reinforcing beam in a matching mode, so as to fixedly connect the reinforcing beam to the frame structure through the reinforcing block. In the battery tray, the strength of the battery tray can be enhanced and a total weight can be decreased only by using the reinforcing block to fixedly connect the reinforcing beam to the frame structure.

公开(公告)号：US20210119294A1

公开(公告)日：2021-04-22

申请号：US17134379

申请日：2020-12-26

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Shengtian CAI ,  Mu Qian ,  Jihua Yao ,  Yangzhi Huang ,  Cunrui Liu ,  Jieguang Yu

IPC: H01M50/204 ,  H01M50/233 ,  H01M50/244 ,  H01M50/289

Abstract: The disclosure provides a battery pack and a device using the battery pack. The battery pack includes: a battery module, including a plurality of secondary batteries and a module frame disposed on an outer periphery of the plurality of secondary batteries, wherein a lug is provided on a surface of the module frame away from the secondary batteries; and a fixing casing, comprising two fixing beams which are spaced apart and a limiting space which is located between the two fixing beams and used to accommodate the battery module, wherein a plurality of limiting holes which are spaced apart is provided on at least one of the fixing beams, and a clamping mechanism is disposed within the limiting hole to fix the lug between the clamping mechanism and the fixing beam.

公开(公告)号：US11936024B2

公开(公告)日：2024-03-19

申请号：US15734355

申请日：2020-05-20

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Peng Wang ,  Kaijie You ,  Mu Qian ,  Haizu Jin ,  Xingdi Chen ,  Jun Ma

IPC: H01M10/6556 ,  H01M10/613 ,  H01M10/615 ,  H01M10/625 ,  H01M10/647 ,  H01M10/6567 ,  H01M10/658

CPC classification number: H01M10/6556 ,  H01M10/613 ,  H01M10/615 ,  H01M10/625 ,  H01M10/647 ,  H01M10/6567 ,  H01M10/658 ,  H01M2220/20

Abstract: The present application provides a battery pack, a method for producing a battery pack and a vehicle. The vehicle includes a vehicle body and a battery pack, the battery pack being disposed in the vehicle body. The battery pack includes a battery module and a case. The case has a containing chamber, and the battery module is located in the containing chamber. The battery module includes a plurality of battery units arranged in a horizontal direction, and each battery unit at least includes one battery cell. A size of the battery module in the horizontal direction is larger than a size of the battery module in a vertical direction. The size of the battery module in the vertical direction is L1, and a size of the battery pack in the vertical direction is L2, where 70%≤L1/L2≤95%.

公开(公告)号：US11843129B2

公开(公告)日：2023-12-12

申请号：US17565887

申请日：2021-12-30

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wencai Xu ,  Xuguang Wang ,  Mu Qian ,  Jihua Yao

IPC: H01M50/507 ,  B60L50/64 ,  H01M50/249 ,  H01M50/209 ,  H01M50/503

CPC classification number: H01M50/507 ,  B60L50/64 ,  H01M50/209 ,  H01M50/249 ,  H01M50/503 ,  H01M2220/20

Abstract: The present application discloses a connecting assembly, a battery module, a battery pack, and a device using the battery module as a power supply. The connecting assembly includes a plurality of connecting sheets and an insulating film, where each of the plurality of connecting sheets includes an adjusting portion and a connecting portion, the adjusting portion is configured as a protrusion connected between adjacent connecting portions, the connecting portion is configured to connect a battery cell of the battery module, and the insulating film is disposed on one side of each of the plurality of connecting sheets, and the insulating film is provided with a through hole disposed corresponding to the adjusting portion. Through the solutions in the present application, the problem that the insulating film is wrinkled and torn due to the protrusion is avoided, and the manufacturing efficiency of the connecting assembly can be improved.

公开(公告)号：US11764444B2

公开(公告)日：2023-09-19

申请号：US17564012

申请日：2021-12-28

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wencai Xu ,  Xuguang Wang ,  Jihua Yao ,  Mu Qian

IPC: H01M50/519 ,  B60L50/60 ,  H01M10/42 ,  H01R13/66 ,  H02J7/00

CPC classification number: H01M50/519 ,  B60L50/66 ,  H01M10/425 ,  H01M10/4207 ,  H01R13/6683 ,  H02J7/0063 ,  H01M2220/20 ,  H01R2201/26 ,  H05K2201/09009

Abstract: The application discloses a connecting assembly, a battery module, a battery group, and a device using the battery module as a power supply. The connecting assembly includes a plurality of connecting sheets, a sampling assembly, and an insulating film, where the plurality of connecting sheets are configured to connect battery cells of the battery module; the sampling assembly includes a circuit board and a sampling terminal connected to the circuit board; the sampling terminal is connected to the plurality of connecting sheets, the insulating film is provided at one side of the sampling assembly and the plurality of connecting sheets, and the insulating film connects the sampling assembly to the plurality of connecting sheets to form an integral structure with the sampling assembly and the plurality of connecting sheets, an insulating film through hole is provided in a region of the sampling assembly covered by the insulating film.

公开(公告)号：US11302972B2

公开(公告)日：2022-04-12

申请号：US17358498

申请日：2021-06-25

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yannan Chu ,  Mu Qian ,  Jinqing Ji

IPC: H01M10/52 ,  H01M50/24 ,  H01M50/342 ,  H01M50/367 ,  H01M50/249

Abstract: The present application provides a battery pack. The battery pack includes a box, the box being configured as a cavity structure; an exhaust channel arranged at the bottom of the box; and a plurality of battery cells, the plurality of battery cells being stacked and housed in the cavity structure of the box, and the plurality of battery cells being located on an end face of the exhaust channel facing away from the bottom of the box, and an end face of each of the battery cells facing the exhaust channel being provided with an explosion-proof valve, where a structural layer of the exhaust channel facing the explosion-proof valve is provided with a weakened zone, and when thermal runaway occurs in any battery cell, a gas in the battery cell is capable of being collected into the exhaust channel via the weakened zone and discharged.

公开(公告)号：US20220085450A1

公开(公告)日：2022-03-17

申请号：US17536101

申请日：2021-11-29

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Yannan CHU ,  Mu Qian ,  Jinqing Ji

IPC: H01M50/249 ,  H01M50/209 ,  H01M50/186

Abstract: This application discloses a battery box, a battery pack, and a vehicle. The battery box includes: a lower box, including a bottom plate and a side plate connected to and disposed around the bottom plate; an upper box, connected to the side plate, where the upper box contains a cover plate disposed in opposition to the bottom plate, and the upper box and the lower box jointly close in to form an accommodation chamber; and a connector, disposed in the accommodation chamber and connected to the upper box and the lower box. The connector contains a guide channel, and the guide channel runs through the bottom plate and the cover plate along a first direction. The battery box, the battery pack, and the vehicle in this application satisfies requirements on strength of the battery box and connection strength between the battery pack and the vehicle.

公开(公告)号：US11148520B2

公开(公告)日：2021-10-19

申请号：US17133594

申请日：2020-12-23

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yannan Chu ,  Jinqing Ji ,  Mu Qian ,  Jiubiao Lin

IPC: H01M4/02 ,  B60K1/04 ,  H01M50/244 ,  H01M50/236 ,  H01M50/258 ,  H01M50/204

Abstract: A battery tray and a vehicle include a frame structure including a plurality of frames sequentially connected end to end arranged to be connected to the vehicle, and a base plate structure including an inner base plate and a reinforcing beam, wherein the inner base plate is located on an inner side of the reinforcing beam and arranged for mounting a battery module. The battery tray further includes a reinforcing block, wherein the reinforcing block is connected to a corresponding frame and the reinforcing beam in a matching mode, so as to fixedly connect the reinforcing beam to the frame structure through the reinforcing block. In the battery tray, the strength of the battery tray can be enhanced and a total weight can be decreased only by using the reinforcing block to fixedly connect the reinforcing beam to the frame structure.