公开(公告)号：US11894510B2

公开(公告)日：2024-02-06

申请号：US18080082

申请日：2022-12-13

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Kaijie You ,  Yongguang Wang ,  Yu Tang ,  Weilong Lin ,  Jun Ma

IPC: H01M50/249 ,  H01M10/04 ,  H01M50/271 ,  H01M50/543 ,  H01M50/20 ,  H01M50/55 ,  H01M50/553 ,  H01M50/209

CPC classification number: H01M10/0413 ,  H01M10/0431 ,  H01M50/20 ,  H01M50/249 ,  H01M50/271 ,  H01M50/543 ,  H01M50/209 ,  H01M50/55 ,  H01M50/553 ,  H01M2220/20

Abstract: A battery pack and a vehicle, wherein the battery pack includes a box assembly, a battery unit, a constraint component and an outer cover, the box assembly includes a box body and a fixed beam, the fixed beam is fixed in the box body; the battery unit is arranged in the box body; the constraint component covers the battery unit and is fixed with the fixed beam; and the outer cover is arranged on one side of the constraint component away from the box body to seal an open end of the box body.

公开(公告)号：US11848456B2

公开(公告)日：2023-12-19

申请号：US17130737

申请日：2020-12-22

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yu Tang ,  Yanbo Chen ,  Zhichao Wang ,  Yongguang Wang ,  Peng Wang ,  Kaijie You ,  Xingdi Chen

IPC: H01M50/209 ,  H01M50/249 ,  H01M50/591 ,  H01M50/553

CPC classification number: H01M50/209 ,  H01M50/249 ,  H01M50/553 ,  H01M50/591 ,  H01M2220/20

Abstract: This application discloses a battery pack and a vehicle, including: a case assembly, including an accommodating cavity; a battery module, disposed in the accommodating cavity, wherein the battery module includes a battery cell assembly, where the battery cell assembly includes an output current collector and a plurality of battery cells arranged side by side along a first direction of the battery pack, and the output current collector is configured to output electric energy of the battery cell assembly; and an end plate assembly, including a body plate and a protective cover, where the body plate is located at an end of the battery cell assembly along the first direction, the protective cover is rotatably connected to the body plate, and at least a part of the output current collector is located between the body plate and the protective cover.

公开(公告)号：US20210066682A1

公开(公告)日：2021-03-04

申请号：US16827224

申请日：2020-03-23

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Xingdi CHEN ,  Kaijie You ,  Yongguang Wang ,  Yu Tang ,  Yanbo Chen ,  Long Li

IPC: H01M2/10

Abstract: A battery pack for optimizing the structure of the battery pack includes a case, a battery module and a blocking member. The case includes an accommodating cavity and a drain hole in communication with the accommodating cavity. The battery module is contained inside the accommodating cavity. The blocking member is mounted to the case, and located between the drain hole and the battery module to block a binder for fixing the battery module from entering the drain hole. In the above-described technical solution, the blocking member can produce the effect of reducing or even avoiding binder for fixing the battery module from clogging in the drain hole.

公开(公告)号：US12074337B2

公开(公告)日：2024-08-27

申请号：US16980316

申请日：2019-11-19

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Kaijie You ,  Yongguang Wang ,  Peng Wang ,  Xingdi Chen ,  Yu Tang ,  Zequan Lu

IPC: H01M50/342 ,  B60L50/60 ,  H01M50/249

CPC classification number: H01M50/3425 ,  B60L50/60 ,  H01M50/249 ,  H01M2220/20

Abstract: The present disclosure relates to a battery pack and transportation vehicle, wherein the battery pack includes: a box assembly; a restraint assembly disposed within the box assembly, wherein the restraint assembly is internally provided with an accommodating cavity, a first exhaust passage is provided between the restraint assembly and the box assembly, and the restraint assembly is provided with a communication hole which communicates the accommodating cavity with the first exhaust passage; and a battery module disposed within the accommodating cavity.

公开(公告)号：US20240222778A1

公开(公告)日：2024-07-04

申请号：US18605840

申请日：2024-03-15

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yongguang Wang ,  Yifeng Chen ,  Yangzhi Huang ,  Jinqing Ji ,  Zhanyu Sun

IPC: H01M50/289 ,  H01M10/04 ,  H01M50/204

CPC classification number: H01M50/289 ,  H01M10/0404 ,  H01M10/0481 ,  H01M50/204

Abstract: Embodiments of the present application relate to the technical field of batteries, and in particular relates to a battery, an electric device, and a production method and a manufacturing die of the battery. The battery includes a frame body, a plurality of battery cells, and a bonding agent, where the frame body is provided with an accommodating cavity, and the accommodating cavity is provided with an opening in a first direction; the plurality of battery cells are arranged in the accommodating cavity, and electrode terminals of the plurality of battery cells face towards the opening; and the bonding agent is arranged in the accommodating cavity, and the bonding agent is used to connect the plurality of battery cells and the frame body. The battery provided by the present application can prevent or reduce a relative displacement among battery cells, and improve the electrical connection stability of the battery.

公开(公告)号：US20240162547A1

公开(公告)日：2024-05-16

申请号：US18416919

申请日：2024-01-19

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yongguang Wang ,  Jinfeng Li ,  Yifeng Chen ,  Feng Qin ,  Peng Wang

IPC: H01M50/244 ,  H01M50/289 ,  H01M50/593

CPC classification number: H01M50/244 ,  H01M50/289 ,  H01M50/593

Abstract: Provided are a battery and an electrical apparatus. The battery comprises: a case for accommodating battery cells; a first insulating component disposed in the case and sleeved on the battery cells, the first insulating component comprising a first substrate and a first extending portion extending from a surface of the first substrate toward the battery cells, and a second extending portion extending from an outer edge of the first substrate toward the battery cells, the first extending portion is used to position the battery cells, and an extension length of the second extending portion is greater than an extension length of the first extending portion.

公开(公告)号：US11831036B2

公开(公告)日：2023-11-28

申请号：US18087404

申请日：2022-12-22

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Yongguang Wang ,  Yu Tang ,  Xingdi Chen ,  Peng Wang ,  Jinqing Ji ,  Mu Qian

IPC: H01M50/242 ,  H01M50/264 ,  H01M10/52 ,  H01M50/222

CPC classification number: H01M50/242 ,  H01M10/52 ,  H01M50/222 ,  H01M50/264

Abstract: The present disclosure relates to a battery pack and an apparatus using the battery pack as a power supply, and relates to the technical field of batteries, to optimize performance of the battery pack. The battery pack includes a box body, a battery module, a module electrical connection piece, and a first protecting assembly. The battery module is mounted in the box body, and the battery module includes an anti-explosion assembly. The module electrical connection piece is mounted on the battery module. The first protecting assembly is mounted in the box body and is configured to protect the module electrical connection piece when an ejecta discharged from the anti-explosion assembly impacts the module electrical connection piece. The above technical scheme reduces probability of secondary short circuit of the battery pack.

公开(公告)号：US11824177B2

公开(公告)日：2023-11-21

申请号：US15734553

申请日：2020-05-20

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Kaijie You ,  Yongguang Wang ,  Peng Wang ,  Linggang Zhou ,  Xingdi Chen

IPC: H01M10/6554 ,  H01M10/613 ,  H01M50/249 ,  H01M50/204 ,  H01M50/233

CPC classification number: H01M10/6554 ,  H01M10/613 ,  H01M50/204 ,  H01M50/233 ,  H01M50/249 ,  H01M2220/20

Abstract: The present application relates to a battery pack, a method for manufacturing a battery pack and a vehicle. The battery pack includes a case assembly including a case, a thermally conductive beam and a temperature control component, the thermally conductive beam being disposed in the case and connected to the case, and the temperature control component being disposed in a bottom region of the case; a thermally conductive cover connected to the thermally conductive beam and located above the thermally conductive beam along a height direction of the battery pack, where the thermally conductive cover, the case and the thermally conductive beam enclose and form a first chamber; and a plurality of battery cells integrally forming a battery assembly, the battery assembly being disposed in the first chamber and located above the temperature control component.

公开(公告)号：US11417932B2

公开(公告)日：2022-08-16

申请号：US16856796

申请日：2020-04-23

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Yu Tang ,  Yanbo Chen ,  Peng Wang ,  Kaijie You ,  Xingdi Chen ,  Yongguang Wang

IPC: H01M50/20 ,  H01M50/383 ,  H01M50/502 ,  H01M50/30

Abstract: A battery assembly includes a protection member and a battery module including at least two batteries arranged side by side along a first direction and having a first outer surface and a second outer surface opposite to each other along a second direction. The protection member is in the form of a letter U with two vertical portions having different lengths, wherein a first protection section covers the end covers of batteries in the battery module, a part of a second protection section covers the first outer surface, and a third protection section abuts against an end cover of a battery corresponding to the second outer surface. The protection member can prevent the airflow, the flame and the like sprayed during thermal runaway, and control a thermal diffusion range during thermal runaway.