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：US20230361373A1

公开(公告)日：2023-11-09

申请号：US18352276

申请日：2023-07-14

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Haiqi Yang ,  Zhimin Zeng ,  Yu Tang ,  Xiaoteng Huang ,  Peng Wang ,  Chenyi Xu

IPC: H01M10/613 ,  H01M50/588 ,  H01M10/04 ,  H01M10/6569 ,  H01M50/505

CPC classification number: H01M10/613 ,  H01M50/588 ,  H01M10/0481 ,  H01M10/6569 ,  H01M50/505 ,  H01M2220/20

Abstract: Provided are a battery, comprising: a battery cell group comprising N battery cell rows arranged in a first direction, battery cells in each battery cell row being arranged in a second direction, the first direction being perpendicular to the second direction; a signal transmission assembly provided on the first face of the battery cell group and comprising a busbar component and an insulation layer, the busbar component being configured to be electrically connected to the battery cells at holes of the insulation layer; and a cooling system provided between two adjacent battery cell rows in the N battery cell rows, with a blocking member being provided at an opening, facing the first face, of a gap between the two adjacent battery cell rows to block the opening to prevent condensed liquid generated by the cooling system from reaching the busbar component.

公开(公告)号：US20230121633A1

公开(公告)日：2023-04-20

申请号：US18068524

申请日：2022-12-20

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Yu Tang ,  Peng Wang ,  Xiayi Wu ,  Xiang Wang ,  Zhenhua Li ,  Xing Li

IPC: H01M50/242 ,  H01M50/204 ,  H01M50/291 ,  H01M10/16

Abstract: Embodiments provide a battery and a power consuming device. In some embodiments, the battery includes: a case assembly, including a case and fixed beams fixed in the case; a battery module, arranged in the case and including a plurality of battery cells; a first restraining component, configured to cover the battery module and fixed to the fixed beams; and a second restraining component, located on the side of the first restraining component away from the battery module and fixed to the fixed beams, wherein the second restraining component is provided with a weak area, and the second restraining component is configured to apply a restraining force to the first restraining component and to allow expansion of the battery cells in the weak area.

公开(公告)号：US20230032539A1

公开(公告)日：2023-02-02

申请号：US17935937

申请日：2022-09-28

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Yu Tang ,  Haiqi Yang ,  Peng Wang ,  Xiaoteng Huang

IPC: H01M10/6556 ,  H01M10/625

Abstract: A battery, an electric apparatus, and a method for preparing battery are provided. In some embodiments, the battery includes at least two layers of battery units arranged in a first direction and a box having an upper cover and a box housing, where the at least two layers of battery units are accommodated in a space formed by the upper cover and the box housing; in the first direction, the at least two layers of battery units include a first battery unit at a top layer and a second battery unit at a bottom layer; and flow channels are formed on the upper cover and the box housing, the flow channel is configured to accommodate fluid, the upper cover is configured to adjust temperature of the first battery unit via the fluid, and the box housing is configured to adjust temperature of the second battery unit via the fluid.

公开(公告)号：US20230030782A1

公开(公告)日：2023-02-02

申请号：US17935130

申请日：2022-09-25

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Yu Tang ,  Haiqi Yang ,  Zhimin Zeng ,  Peng Wang ,  Xiaoteng Huang

IPC: H01M50/342 ,  H01M50/289

Abstract: A battery, a powered device, and a method and device for preparing a battery are provided. In some embodiments, the battery includes: a first battery cell and a second battery cell, wherein a pressure relief mechanism of the first battery cell and a pressure relief mechanism of the second battery cell are arranged opposite to each other in a first direction; a box body accommodating the first battery cell and the second battery cell; and a partition component configured to partition the first battery cell and the second battery cell in the first direction, wherein the partition component includes a first wall and a second wall arranged opposite to each other, the first wall is provided with a first through hole, the second wall is provided with a second through hole.

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：US12002996B2

公开(公告)日：2024-06-04

申请号：US17167967

申请日：2021-02-04

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Yu Tang ,  Mingdi Xie ,  Zhanyu Sun ,  Kaijie You ,  Xingdi Chen ,  Long Li

IPC: H01M50/519 ,  H01M50/526 ,  H01M50/531 ,  H01M50/591

CPC classification number: H01M50/519 ,  H01M50/526 ,  H01M50/531 ,  H01M50/591

Abstract: A battery module, a battery pack, a device using a battery module as a power source, and a method of manufacturing a battery module are provided. The battery module includes: at least two battery cells; a connecting piece configured to electrically connect two battery cells of at least two battery cells; and a protective layer including a first protective portion configured to cover the connecting piece. A melting point of the first protective portion is greater than that of the connecting piece.

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：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：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.