公开(公告)号：US11532857B2

公开(公告)日：2022-12-20

申请号：US17139814

申请日：2020-12-31

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Kaijie You ,  Linggang Zhou ,  Dongyang Shi ,  Yanhuo Xiang ,  Yongshou Lin ,  Fei Hu

IPC: H01M50/507 ,  H01M50/244 ,  H01M50/547 ,  H01M50/207 ,  H01M50/342 ,  H01M10/0587

Abstract: The present disclosure provides a battery module, including a first battery cell arrangement structure, a second battery cell arrangement structure and a bus bar array. With battery cells stacked in a horizontal direction, a first battery cell arrangement structure and a second battery cell arrangement structure are stacked in a vertical direction, and a first bus bar of a bus bar array is used to sequentially connect the battery cells of the first battery cell arrangement structure and the second battery cell arrangement structure. As a result, a total positive electrode and a total negative electrode of a battery module are located at two ends of the battery module, which greatly reduces the possibility of a short circuit of the battery module and improves the safety of the battery module.

公开(公告)号：US10777794B2

公开(公告)日：2020-09-15

申请号：US16394145

申请日：2019-04-25

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Kaijie You ,  Haizu Jin ,  Dongyang Shi ,  Fei Hu ,  Yu Tang ,  Yuepan Hou ,  Ziyuan Li ,  Jun Ma

IPC: H01M2/12 ,  H01M2/10

Abstract: The present application discloses a battery pack, comprising a first battery module, a second battery module, a housing and a fireproof member. The first battery module includes a plurality of battery cells which are provided with vents; the second battery module includes a plurality of battery cells which are provided with vents. Both the first battery module and the second battery module are arranged in the housing; the fireproof member is vertically disposed and located between the vents of the first battery module, where the vents of the first battery module and the vents of the second battery module both face the fireproof member. The battery pack prevents collective thermal runaway of the battery cells by using the fireproof member to separate the battery cells of the first battery modules and the battery cells of the second battery modules.

公开(公告)号：US20200287181A1

公开(公告)日：2020-09-10

申请号：US16508143

申请日：2019-07-10

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

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

IPC: H01M2/10 ,  H01M2/20 ,  H01M2/26 ,  H01M10/04

Abstract: The present disclosure relates to a battery module including a plurality of battery unit array structures, a first cover body and a second cover body connected to the first cover body. The battery unit array structures are arranged between the first cover body and the second cover body. The first cover body includes a first carrying portion and a second carrying portion being in a split structure. The plurality of battery unit array structures includes a first battery unit array structure and a second battery unit array structure. The first battery unit array structure is disposed opposite to the first carrying portion, and the second battery unit array structure is disposed opposite to the second carrying portion. Compared with the related art, the first cover body is used for transportation in the present disclosure, and the energy density of the battery module can be improved without an additional component.

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：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：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.

公开(公告)号：US11056747B2

公开(公告)日：2021-07-06

申请号：US16557716

申请日：2019-08-30

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yuepan Hou ,  Kaijie You ,  Xingdi Chen ,  Yu Tang ,  Ziyuan Li ,  Jun Ma

IPC: H01M2/00 ,  H01M50/20 ,  H01M50/502

Abstract: A battery module includes: a box having an inner cavity; at least two battery unit array structures, each of the at least two battery unit array structures including a plurality of battery units arranged along a length direction; and at least two support components, each of the at least two support components being fixed to a side of one of the at least two battery unit array structures in a height direction. The at least two battery unit array structures are arranged along a width direction and correspond to the at least two support components in one-to-one correspondence. The battery unit array structures and the components are disposed in the inner cavity.