公开(公告)号：US12062814B2

公开(公告)日：2024-08-13

申请号：US17559591

申请日：2021-12-22

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

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

IPC: H01M50/536 ,  H01M10/04 ,  H01M50/209 ,  H01M50/333 ,  H01M50/502 ,  H01M50/533

CPC classification number: H01M50/536 ,  H01M10/0413 ,  H01M50/209 ,  H01M50/502 ,  H01M50/533 ,  H01M2220/20

Abstract: This application discloses a soft-pack battery module, including at least two battery stack layers stacked in a thickness direction of battery cells, where each battery stack layer includes a battery cell and a connecting piece connected to a tab of the battery cell, the connecting piece includes a first section and a second section, the first section is connected to the tab, the second section is connected to the first section, the second section is arranged by a side of the first section, the second section extends toward a large surface of the battery cell and covers at least a part of the large surface of the battery cell, and an insulating material is provided on a side of the second section away from the large surface of the battery cell.

公开(公告)号：US11936059B2

公开(公告)日：2024-03-19

申请号：US17552343

申请日：2021-12-15

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yongguang Wang ,  Peng Wang ,  Shenglin Li ,  Kaijie You ,  Yu Tang

IPC: H01M50/264 ,  H01M10/658 ,  H01M50/209 ,  H01M50/503

CPC classification number: H01M50/264 ,  H01M10/658 ,  H01M50/209 ,  H01M50/503

Abstract: Embodiments of this application provide a battery frame, a battery group, a battery pack, and a method for assembling a battery group. The battery frame according to the embodiments of this application includes at least two frames. The at least two frames are sequentially connected along a first direction. Among the at least two frames, any two adjacent frames are rotatably connected to each other, so that the battery frame is foldable. The foldability of the battery frame according to the embodiments of this application diversifies the battery frame effectively.

公开(公告)号：US20240313362A1

公开(公告)日：2024-09-19

申请号：US18674924

申请日：2024-05-27

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yongguang Wang ,  Hui Yang ,  Yangzhi Huang ,  Peng Wang ,  Zhanyu Sun

IPC: H01M50/503 ,  H01M50/211 ,  H01M50/505 ,  H02G5/02

CPC classification number: H01M50/503 ,  H01M50/211 ,  H01M50/505 ,  H02G5/02

Abstract: The present application discloses a busbar assembly, a battery and an electrical apparatus. The busbar assembly comprises a busbar bracket and a busbar. The busbar bracket is provided with a plurality of abutting portions and a plurality of first notches alternately distributed along a preset direction, each of the first notches being used for insertion of a tab of a battery cell assembly. The busbar is connected to at least part of the abutting portions and used for electrical connection with tabs inserted into the first notches. The busbar assembly can reduce the difficulty when assembling with the battery cell assembly.

公开(公告)号：US12025677B2

公开(公告)日：2024-07-02

申请号：US17854827

申请日：2022-06-30

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yongguang Wang ,  Feng Qin ,  Lei Wang ,  Jinfeng Li ,  Zhanyu Sun

IPC: G01R31/396 ,  H01M10/42 ,  H01M10/48 ,  H01M50/213 ,  H01M50/566

CPC classification number: G01R31/396 ,  H01M10/4207 ,  H01M10/425 ,  H01M10/482 ,  H01M50/213 ,  H01M50/566

Abstract: Embodiments of this application provide a battery, an electric apparatus, and a method for preparing battery. The battery includes: a plurality of battery cells, where at least two of the battery cells are arranged along a first direction; a sampling part, configured to collect electrical signals from the plurality of battery cells; and a support part, configured to support the sampling part, where the support part is disposed between two adjacent battery cells in the first direction, and is attached to the battery cells. In the technical solution in the embodiments of this application, the sampling part is easy to install, and the sampling part can be prevented from falling off during use of the battery.

公开(公告)号：US11923556B2

公开(公告)日：2024-03-05

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: H01M50/24 ,  H01M50/209 ,  H01M50/289 ,  H01M50/103

CPC classification number: H01M50/24 ,  H01M50/209 ,  H01M50/289 ,  H01M50/103 ,  H01M2220/20

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：US11563248B2

公开(公告)日：2023-01-24

申请号：US16856883

申请日：2020-04-23

Applicant: Contemporary Amperex Technology Co., Limited

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

IPC: H01M50/20 ,  H01M50/543 ,  H01M10/04

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：US11251493B2

公开(公告)日：2022-02-15

申请号：US16994247

申请日：2020-08-14

Applicant: Contemporary Amperex Technology Co., Limited

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

IPC: H01M50/20 ,  H01M50/10 ,  F16B37/06

Abstract: A battery pack, includes a box assembly including a box body and a plurality of fixed beams, a plurality of battery modules, and a plurality of constraint components, each of which includes a limiting portion, a first mounting portion and a second mounting portion. The first mounting portion is provided with a plurality of first mounting holes along a length direction of the fixed beams. The second mounting portion is provided with a plurality of second mounting holes along the length direction. A plurality of first fasteners respectively pass through the first mounting holes and are fixed to one fixed beam. A plurality of second fasteners respectively pass through the second mounting holes and are fixed to the other fixed beam. The first mounting hole and the second mounting hole have different adjustment amounts in the arrangement direction.

公开(公告)号：US11923559B2

公开(公告)日：2024-03-05

申请号：US17853434

申请日：2022-06-29

Applicant: Contemporary Amperex Technology Co., Limited

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

IPC: H01M50/383 ,  H01M50/209 ,  H01M50/233 ,  H01M50/249 ,  H01M50/276 ,  H01M50/30 ,  H01M50/502 ,  H01M50/505

CPC classification number: H01M50/383 ,  H01M50/209 ,  H01M50/233 ,  H01M50/249 ,  H01M50/276 ,  H01M50/30 ,  H01M50/394 ,  H01M50/502 ,  H01M50/505 ,  H01M2220/20

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：US12002994B2

公开(公告)日：2024-06-04

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: H01M10/00 ,  H01M10/0585 ,  H01M50/209 ,  H01M50/507 ,  H01M50/553

CPC classification number: H01M50/507 ,  H01M10/0585 ,  H01M50/209 ,  H01M50/553 ,  H01M2220/20

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：US12002981B2

公开(公告)日：2024-06-04

申请号：US16838064

申请日：2020-04-02

Applicant: Contemporary Amperex Technology Co., Limited

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

IPC: H01M50/26 ,  H01M50/211 ,  H01M50/262 ,  H01M50/271 ,  H01M50/291

CPC classification number: H01M50/262 ,  H01M50/211 ,  H01M50/271 ,  H01M50/291 ,  H01M2220/20

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, wherein the blocking member is disposed on one side of the battery module in a width direction. At least a part of the blocking member is arranged between the battery module and the drain hole to block a binder for fixing the battery module from entering the drain hole. The reservoir cavity is provided, such that the liquid flow into a reservoir portion to prevent dangers such as short-circuit occurring in the battery module when liquid is accumulated inside the case.