公开(公告)号：US20220263201A1

公开(公告)日：2022-08-18

申请号：US17735511

申请日：2022-05-03

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yongguang WANG ,  Xingdi CHEN ,  Peng WANG ,  Yu TANG ,  Jinqing JI ,  Zhanyu SUN

IPC: H01M50/503

Abstract: This application discloses a battery module, a battery pack, and a device using a secondary battery. The battery module includes: a battery cell assembly, including at least two battery cells arranged along a third direction, where each of the battery cells includes electrode terminals; and a first busbar, including a main portion and two connecting portions, where an extension direction of the first busbar tilts against the third direction at a preset angle, the two connecting portions are connected to the electrode terminals of the two battery cells in an identical battery cell assembly respectively, the main portion is connected between the two connecting portions, a deformation inducing portion is disposed on the main portion, and the deformation inducing portion is configured to reduce at least a force required for deforming the main portion along a first direction.

公开(公告)号：US20220021034A1

公开(公告)日：2022-01-20

申请号：US17489116

申请日：2021-09-29

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Peng WANG ,  Xingdi CHEN ,  Mingdi XIE ,  Linggang ZHOU ,  Zhanyu SUN ,  Kai WU

IPC: H01M10/42 ,  H01M10/48 ,  B60L50/64 ,  H01M50/502 ,  H01M50/543 ,  H01M10/653 ,  H01M50/209

Abstract: A failed battery cell handling method, a battery module, a battery pack, and a device, which relates to the technical field of energy devices. The handling method includes: injecting a conductive material into a failed battery cell, where the conductive material is in a molten state when being injected, and is in a solid state after cooling, and the conductive material is configured to electrically connect a positive terminal and a negative terminal of the failed battery cell.

公开(公告)号：US20220013839A1

公开(公告)日：2022-01-13

申请号：US17113013

申请日：2020-12-05

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yuqun ZENG ,  Zhimin ZENG ,  Kai WU ,  Xingdi CHEN ,  Peng WANG ,  Xiaobo CHEN ,  Yao LI

IPC: H01M50/209 ,  H01M10/0525 ,  H01M10/42 ,  H01M10/625 ,  H01M50/249 ,  H01M50/271 ,  H01M50/287 ,  H01M50/342 ,  H01M50/375

Abstract: The present application discloses a battery and a related apparatus, production method, production device therefor. A battery includes a plurality of battery cells, a cover body and an insulating part. The plurality of battery cells are configured to be electrically connected to each other through a bus component; a cover body includes an accommodation space configured to install the bus component; and the insulating part is attached to the cover body and provided to cover at least the bus component. According to the present application, a bus component configured to electrically connect a plurality of battery cells in a battery is embedded on a cover body. This arrangement makes the structure of the battery more compact, and since the bus component is not sealed in a case, part of the structure of a battery management unit may be arranged outside the case of the battery.

公开(公告)号：US20220013756A1

公开(公告)日：2022-01-13

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: H01M2/12 ,  H01M2/10 ,  H01M10/6567

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：US20210320370A1

公开(公告)日：2021-10-14

申请号：US17355761

申请日：2021-06-23

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yu TANG ,  Linggang ZHOU ,  Ziyuan LI ,  Peng WANG ,  Kaijie YOU ,  Xingdi CHEN

IPC: H01M50/262 ,  H01M50/209 ,  H01M10/04 ,  H01M50/502

Abstract: The present application provides a battery module, which includes a plurality of batteries, an end plate and an output electrode connecting sheet. The plurality of batteries are arranged in a longitudinal direction. The end plate has: a main body portion, located on one side of the plurality of batteries in the longitudinal direction; and an extension portion, formed on the main body portion and extending in the longitudinal direction away from the batteries. The output electrode connecting sheet has: a first connecting portion, connected to a corresponding battery; and a second connecting portion, connected to one end of the first connecting portion and fixed to the extension portion of the end plate.

公开(公告)号：US20210320359A1

公开(公告)日：2021-10-14

申请号：US17356653

申请日：2021-06-24

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Kaijie YOU ,  Xingdi CHEN ,  Yanhuo XIANG ,  Fenggang ZHAO ,  Linggang ZHOU ,  Peng WANG

IPC: H01M50/209 ,  H01M50/543

Abstract: The present application is provided with a battery pack, including a first battery module, a second battery module and a box body, where the first battery module and the second battery module are housed in the box body; the box body including a lower box body configured to support the first battery module and the second battery module, and an upper box body fitting with the lower box body. The lower box body includes a first connecting portion, and the first connecting portion is located between the first battery module and the second battery module. The upper box body includes a second connecting portion, where the first connecting portion and the second connecting portion are fixed and connected. In the battery pack of the present application, the problem of downward deflection of the lower box body is avoided and the strength of the battery pack is improved.

公开(公告)号：US20210320357A1

公开(公告)日：2021-10-14

申请号：US17358037

申请日：2021-06-25

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：US20210167441A1

公开(公告)日：2021-06-03

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 ,  H01M50/204 ,  H01M50/233 ,  H01M50/249

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：US20210111458A1

公开(公告)日：2021-04-15

申请号：US17129629

申请日：2020-12-21

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xingdi CHEN ,  Yuepan HOU ,  Kaijie YOU ,  Linggang ZHOU ,  Peng WANG ,  Yanan PENG

IPC: H01M50/209 ,  H01M50/538 ,  H01M50/536 ,  H01M50/514

Abstract: This application relates to a battery module and a battery pack. The battery module includes a binding member and battery cell assemblies arranged along a horizontal direction, the battery cell assembly including an upper-layer battery cell and a lower-layer battery cell that are stacked along a vertical direction, the upper-layer battery cell and the lower-layer battery cell interconnected and forming a joint; and the binding member covering the joint, located between two adjacent battery cell assemblies, and fixed to the battery cell assemblies. The battery module includes a binding member and a plurality of battery cell assemblies, and the battery cell assembly includes upper-layer and a lower-layer battery cells stacked along a vertical direction. A joint is formed between the upper-layer and lower-layer battery cells and covered by the joint fixed to the battery cell assemblies, swelling of the upper-layer and lower-layer battery cells at the joint is reduced.

公开(公告)号：US20210111455A1

公开(公告)日：2021-04-15

申请号：US17129559

申请日：2020-12-21

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yuqun ZENG ,  Fenggang ZHAO ,  Xingdi CHEN ,  Lei WANG ,  Linggang ZHOU ,  Peng WANG

IPC: H01M50/20 ,  B65D21/02

Abstract: The present disclosure provides a battery box and a vehicle, the battery box comprises an upper box body, a lower box body, a connecting member, a fixing member. The upper box body comprises a first eave portion, the lower box body comprises a second eave portion. The first eave portion is provided with a first connecting hole, the second eave portion is provided with a second connecting hole and a mounting hole. The connecting member passes through the first connecting hole and the second connecting hole to connect the upper box body and the lower box body. The fixing member passes through the mounting hole to make the lower box body mounted to external equipment, compared with the conventional battery box, the lower box body is equivalent to the arrangement of eliminating the third eave portion, it simplifies the structure and reduces the weight, thereby improving the energy density.