公开(公告)号：US20220021082A1

公开(公告)日：2022-01-20

申请号：US17488437

申请日：2021-09-29

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xingdi CHEN ,  Mingdi XIE ,  Kaijie YOU ,  Peng WANG ,  Yu TANG ,  Yongguang WANG

IPC: H01M50/507 ,  H01M50/209 ,  H01M10/0585 ,  H01M50/553

Abstract: The present application provides a battery module, a battery pack, and a battery-powered apparatus. The battery module includes a plurality of battery units and a busbar assembly. The plurality of battery units are arranged in a horizontal direction, where each battery unit includes a plurality of batteries stacked in a vertical direction, the plurality of batteries include a first battery and a second battery, the first battery and the second battery each include a first electrode terminal, a second electrode terminal, and an explosion-proof piece. A busbar assembly electrically connects the plurality of battery units, where the busbar assembly includes a first busbar connected to the first electrode terminal and the second electrode terminal. In a first direction perpendicular to the vertical direction and the horizontal direction, the first busbar includes a first weak zone that at least partially overlaps with the explosion-proof piece of the first battery.

公开(公告)号：US20210104804A1

公开(公告)日：2021-04-08

申请号：US17125436

申请日：2020-12-17

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xingdi CHEN ,  Kaijie YOU ,  Yu TANG ,  Yuepan HOU ,  Ziyuan LI ,  Jun MA

IPC: H01M50/507 ,  H01M50/536 ,  H01M50/54 ,  H01M50/209 ,  H01M50/55

Abstract: The present application relates to a battery module and a battery pack, the battery module including a battery cell arrangement structure, bus bars and a fixing plate, where the battery cell arrangement structure includes a plurality of battery cells; the plurality of battery cells are electrically connected by means of a plurality of the bus bars to form a first output electrode of the battery module and a second output electrode of the battery module, and the first output electrode of the battery module and the second output electrode of the battery module are arranged at a same end of the battery module along a horizontal direction; the fixing plate is provided with an insulating portion, and at least a part of the insulating portion is located between the first output electrode of the battery module and the second output electrode of the battery module.

公开(公告)号：US20210036278A1

公开(公告)日：2021-02-04

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: H01M2/10

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：US20230134692A1

公开(公告)日：2023-05-04

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 ,  H01M50/222 ,  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：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：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：US20210005941A1

公开(公告)日：2021-01-07

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 ,  H01M2/36 ,  H01M10/6556 ,  H01M10/6567 ,  H01M10/6554 ,  H01M2/10

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：US20240014502A1

公开(公告)日：2024-01-11

申请号：US18471882

申请日：2023-09-21

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yu TANG ,  Zhimin ZENG ,  Haiqi YANG ,  Chenyi XU ,  Xiaoteng HUANG ,  Peng WANG

IPC: H01M50/298 ,  H01M50/209 ,  H01M10/653

CPC classification number: H01M50/298 ,  H01M50/209 ,  H01M10/653

Abstract: A battery includes a housing, and a beam structure and a group of cells which are arranged in the housing. The beam structure is fixed to the housing, and an accommodating space is formed in the beam structure. An external connecting wire of the group of cells is arranged in the accommodating space.

公开(公告)号：US20230207945A1

公开(公告)日：2023-06-29

申请号：US17972418

申请日：2022-10-24

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yu TANG ,  Hong WANG ,  Peng WANG ,  Jiang LIU ,  Junrong LI

IPC: H01M50/258 ,  H01M50/46 ,  H01M50/204 ,  H01M50/547 ,  H01M10/04

CPC classification number: H01M50/258 ,  H01M50/46 ,  H01M50/204 ,  H01M50/547 ,  H01M10/0431

Abstract: The present application provides a battery, a manufacturing method and apparatus thereof, and an electric device. The battery includes: a box; a battery unit provided in the box and including multiple battery cells stacked in a first direction, each including two first walls provided oppositely in the first direction and two second walls provided in a second direction orthogonal to the first direction, and an electrode terminal being provided on the second wall; and an end plate provided between a box inner wall of the box and the battery unit and including a first surface facing the box inner wall and a second surface facing the first wall, the first surface including a first region corresponding to a central region of the first wall and a second region corresponding to an edge region of the first wall, and a part of the second surface being a flat surface.

公开(公告)号：US20230035703A1

公开(公告)日：2023-02-02

申请号：US17897412

申请日：2022-08-29

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yu TANG ,  Peng WANG ,  Hong WANG ,  Junrong LI ,  Yudong QIU

IPC: H01M50/284 ,  H01M50/543

Abstract: A battery includes a battery pair and an information collector configured to collect parameters of the battery. The battery pair includes two battery cells. A surface of each of the two battery cells is provided with a pole. The poles of the two battery cells abut against each other face to face to form a pole assembly structure. The pole assembly structure includes an insertion slot. The information collector includes a main board and a sampling piece electrically connected to the main board. One end of the sampling piece extends into the insertion slot and is electrically connected to the pole assembly structure.