公开(公告)号：US20240291091A1

公开(公告)日：2024-08-29

申请号：US18655354

申请日：2024-05-06

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wenhui Zhang ,  Pengcheng Yao ,  Xingdi Chen ,  Peng Wang

IPC: H01M50/249 ,  H01M50/204

CPC classification number: H01M50/249 ,  H01M50/204 ,  H01M2220/20

Abstract: This application relates to a box, a battery, and an electric apparatus. The box has an accommodating cavity for accommodating a battery cell and a top surface facing away from the accommodating cavity; a first region and a second region are formed on the top surface of the box. The second region surrounds the first region, the second region is constructed with multiple mounting portions, and the battery is mounted to an external apparatus through the mounting portions. A distance between geometric centers of orthographic projections of every two adjacent mounting portions in the second region is 80 mm-500 mm.

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：US11955654B2

公开(公告)日：2024-04-09

申请号：US17123092

申请日：2020-12-15

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yuqun Zeng ,  Pengcheng Yao ,  Zhimin Zeng ,  Kai Wu ,  Xingdi Chen ,  Peng Wang ,  Xiaobo Chen

IPC: H01M50/30 ,  H01M10/42 ,  H01M10/613 ,  H01M10/647 ,  H01M10/6567 ,  H01M50/249 ,  H01M50/271 ,  H01M50/618 ,  H01M10/0525

CPC classification number: H01M50/30 ,  H01M10/42 ,  H01M10/613 ,  H01M10/647 ,  H01M10/6567 ,  H01M50/249 ,  H01M50/271 ,  H01M50/618 ,  H01M10/0525

Abstract: The present application discloses a battery, and a related device, preparation apparatus thereof. The battery includes a battery cell, the battery cell including a pressure relief mechanism and at least two walls, the at least two walls including a first wall and a second wall that intersect with each other, the pressure relief mechanism being disposed at the first wall and being configured to, when an internal pressure or temperature of the battery cell reaches a threshold, be actuated to release the internal pressure; a thermal management component attached to the first wall and being configured to accommodate a fluid to cool the battery cell; and a support component attached to the second wall, and configured to support the battery cell; wherein the thermal management component is configured such that when the pressure relief mechanism is actuated, emissions discharged from the battery cell pass through the thermal management component.

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：US11611128B2

公开(公告)日：2023-03-21

申请号：US17113018

申请日：2020-12-05

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yuqun Zeng ,  Zhimin Zeng ,  Kai Wu ,  Xingdi Chen ,  Peng Wang ,  Zhanyu Sun

IPC: H01M50/375 ,  H01M50/342 ,  H01M10/6567 ,  H01M50/24 ,  H01M50/325 ,  H01M50/593 ,  H01M10/0525

Abstract: The present application discloses a battery and a related apparatus, production method and production device therefor. The battery includes: a battery cell, the battery cell including a pressure relief mechanism configured to be capable of being actuated when an internal pressure or temperature of the battery cell reaches a threshold, to relieve the internal pressure; an attachment component adapted to be attached to the battery cell by an adhesive; and an isolation component configured to be capable of preventing the adhesive from being applied between the attachment component and the pressure relief mechanism. By providing the isolation component, it is possible to prevent the adhesive from being applied between the attachment component and the pressure relief mechanism in an effective manner in a process of battery production. Meanwhile, application efficiency and accuracy of the adhesive could be improved, thereby improving production efficiency of the battery.

公开(公告)号：US11611116B2

公开(公告)日：2023-03-21

申请号：US16838067

申请日：2020-04-02

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Xingdi Chen ,  Kaijie You ,  Peng Wang ,  Yu Tang ,  Long Li

IPC: H01M10/613 ,  H01M10/6556 ,  H01M10/6567 ,  H01M10/6554 ,  H01M50/636 ,  H01M50/103 ,  H01M50/271 ,  H01M50/209

Abstract: A battery pack includes a case and a battery module. The case includes an accommodating cavity and a drain hole in communication with the accommodating cavity. The battery module is mounted inside the accommodating cavity. A reservoir cavity is provided below the battery module to store a liquid, and in communication with the drain hole. A reservoir cavity is provided, such that the liquid can flow into a reservoir portion to prevent dangers such as short-circuit occurring in the battery module inside the case, and optimize the structure and performance of the battery pack when liquid is accumulated inside the case.

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.

公开(公告)号：US11289762B2

公开(公告)日：2022-03-29

申请号：US16570257

申请日：2019-09-13

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Xingdi Chen ,  Kaijie You ,  Linggang Zhou ,  Peng Wang ,  Yanhuo Xiang ,  Ning Chen

IPC: H01M50/20

Abstract: The disclosure relates to a battery pack, which can include an enclosure including an upper cover and a lower case in sealed connection, a plurality of battery modules is arranged in the enclosure, and a first bonding member disposed on the upper surface of the battery modules and intended for connecting the battery modules with the upper cover. The present disclosure can strengthen the connection strength between the upper cover and the battery modules, and improve the overall stiffness of the battery modules.

公开(公告)号：US11239525B2

公开(公告)日：2022-02-01

申请号：US16838066

申请日：2020-04-02

Applicant: Contemporary Amperex Technology Co., Limited

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

IPC: H01M50/20

Abstract: A battery pack includes a box body assembly including a box body and a plurality of fixing beams which are fixed in the box body and divide the internal space into a plurality of containing cavities, a plurality of battery modules correspondingly arranged in each containing cavity and a plurality of restraint components, each of which includes a limit part, a first mounting part and a second mounting part. Each limit part covers each battery module correspondingly. The first and second mounting part are connected on both sides of the limit part in the direction in which the plurality of fixing beams are arranged and fixed with the fixing beams on both sides of the corresponding battery module respectively; the first mounting part of one of adjacent restraint components and the second mounting part of the other are fixed on the same fixing beam and overlapped in a height direction.