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：US20240266665A1

公开(公告)日：2024-08-08

申请号：US18634881

申请日：2024-04-12

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Chao LONG ,  Xingdi CHEN ,  Peng WANG

IPC: H01M50/291 ,  B60R16/033 ,  H01M50/15 ,  H01M50/209 ,  H01M50/242 ,  H01M50/249 ,  H01M50/271 ,  H01M50/55

CPC classification number: H01M50/291 ,  H01M50/15 ,  H01M50/209 ,  H01M50/242 ,  H01M50/249 ,  H01M50/271 ,  H01M50/55 ,  B60R16/033 ,  H01M2200/20 ,  H01M2220/20

Abstract: A battery includes a box body, battery cells and a stabilizing assembly. The box body has a top and a bottom opposite to each other in a height direction of the box body. A plurality of battery cells are arranged upside down in the box body, and a top cover plate of each of the battery cells faces the bottom of the box body. The stabilizing assembly is fixedly connected to the battery cells.

公开(公告)号：US20240213547A1

公开(公告)日：2024-06-27

申请号：US18600794

申请日：2024-03-11

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Lei WANG ,  Xingdi CHEN ,  Peng WANG ,  Xingchang WANG

IPC: H01M10/42 ,  H01M10/613 ,  H01M10/625 ,  H01M10/6556 ,  H01M50/291 ,  H01M50/298 ,  H01M50/569

CPC classification number: H01M10/4228 ,  H01M10/425 ,  H01M10/613 ,  H01M10/625 ,  H01M10/6556 ,  H01M50/291 ,  H01M50/298 ,  H01M50/569 ,  H01M2010/4271 ,  H01M2220/20

Abstract: Embodiments of this application provide a battery, an electric device, and a battery manufacturing method. The battery includes a housing, a battery cell, a liquid cooling system, and a detection apparatus, where the housing has a bottom plate, the battery cell is disposed inside the housing, the liquid cooling system is configured to cool the battery cell by using a coolant, and the detection apparatus is configured to detect coolant leaked from the liquid cooling system, where the detection apparatus includes a detection part with a detection position set between the battery cell and the bottom plate. The electric device includes the battery.

公开(公告)号：US20230268604A1

公开(公告)日：2023-08-24

申请号：US17750668

申请日：2022-05-23

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Zhanyu SUN ,  Chao LONG ,  Peng WANG ,  Xingdi CHEN

IPC: H01M50/293 ,  H01M50/291

CPC classification number: H01M50/293 ,  H01M50/291 ,  H01M2220/20

Abstract: Embodiments of the present application provide a battery, a power consumption device, and a method and device for producing a battery. The battery includes: a plurality of battery cells arranged in a first direction; and a spacer plate, the spacer plate extending in the first direction and being connected to a first wall of each battery cell of the plurality of battery cells, the first wall being a wall of the battery cell that has a largest surface area, a surface of the spacer plate being provided with an insulating layer, a size of the spacer plate in a second direction being less than 0.5 mm, and the second direction being perpendicular to the first wall. According to technical solutions of the embodiments of the present application, performance of the battery could be improved.

公开(公告)号：US20230231255A1

公开(公告)日：2023-07-20

申请号：US17947079

申请日：2022-09-16

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Chao LONG ,  Xingdi CHEN ,  Peng WANG

IPC: H01M50/242 ,  H01M50/543 ,  H01M50/249 ,  H01M50/209 ,  H01M50/271 ,  H01M50/30 ,  H01M50/375

CPC classification number: H01M50/242 ,  H01M50/543 ,  H01M50/249 ,  H01M50/209 ,  H01M50/271 ,  H01M50/30 ,  H01M50/375 ,  H01M2220/20

Abstract: Embodiments of the present disclosure provide a battery, an electric device, a method for preparing a battery, and a device for preparing a battery. The battery comprises: a battery cell; a case, configured to accommodate the battery cell; and a protective member, provided in the case, wherein an end portion of the protective member is fixed to the case in a first direction, an electrode terminal is formed at at least one end of the battery cell in a second direction, and the second direction is perpendicular to the first direction; the protective member has a protective portion, the protective portion is supported on the case in the second direction, and the protective portion protrudes beyond the electrode terminal in the second direction, so that the electrode terminal and the case have a gap in the second direction, so as to protect the electrode terminal.

公开(公告)号：US20230026926A1

公开(公告)日：2023-01-26

申请号：US17464048

申请日：2021-09-01

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Zhanyu SUN ,  Lei WANG ,  Xingdi CHEN ,  Peng WANG

IPC: H01M10/6555 ,  H01M10/613 ,  H01M10/615 ,  H01M50/262 ,  H01M50/209

Abstract: Provided is a battery, a power consumption device, a method and device for producing a battery. The battery includes: a battery module and a box body, the battery module accommodated in the box body; the battery module including: N rows of battery cells, each row of battery cells arranged along a first direction, and the N rows of battery cells arranged along a second direction, and N being an integer greater than 1; N−1 spacer plate(s), the spacer plate extending along the first direction and disposed between two adjacent rows of battery cells, and the spacer plate fixedly connected to each of the battery cells in the two rows of the battery cells; where a fixing structure is provided on an end portion of the spacer plate in the first direction, and the spacer plate is fixed to the box body via the fixing structure.

公开(公告)号：US20220352573A1

公开(公告)日：2022-11-03

申请号：US17528600

申请日：2021-11-17

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Lei WANG ,  Wenlin ZHOU ,  Xing LI ,  Peng WANG ,  Quankun LI ,  Xingdi CHEN ,  Yulian ZHENG

IPC: H01M10/653 ,  H01M10/613 ,  H01M50/15 ,  H01M50/55 ,  H01M50/531

Abstract: The embodiments of this application provide a battery cell, a battery, a power consumption device, and a battery manufacturing method and device, which pertains to the technical field of batteries. The battery cell includes a housing, an electrode assembly, and an end cover assembly. The electrode assembly is configured to be accommodated in the housing, and includes a main body portion and a tab. The end cover assembly includes an end cover configured to cover the opening and an electrode terminal mounted on the end cover and is configured to be electrically connected to the tab. The end cover includes a first body, which has a first inner surface and a first outer surface arranged opposite to each other in a thickness direction of the first body, and a first protruding portion, which protrudes from the first outer surface in a direction departing from the main body portion.

公开(公告)号：US20220209346A1

公开(公告)日：2022-06-30

申请号：US17564863

申请日：2021-12-29

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Pengcheng YAO ,  Peng WANG ,  Xingdi CHEN ,  Yong WANG ,  Youxin WU

IPC: H01M50/204 ,  H01M10/0525 ,  H01M50/262 ,  H01M50/249

Abstract: Embodiments of the present application provide a housing of a battery, a battery, a power consumption device, and a method and apparatus for producing a housing. The housing of the battery includes: a plurality of walls, configured to form an accommodating space of the housing; a first beam, provided in the accommodating space, the first beam intersecting with a first wall of the plurality of walls, and the first beam having a first cavity inside; and a first reinforcing structure, at least part of the first reinforcing structure being accommodated in the first cavity, and the first reinforcing structure being respectively fixed to the first beam and the first wall through a first connector and a second connector, so that the first wall is fixedly connected to the first beam, and the strength of the housing could be enhanced.

公开(公告)号：US20210265679A1

公开(公告)日：2021-08-26

申请号：US15734355

申请日：2020-05-20

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Peng WANG ,  Kaijie YOU ,  Mu QIAN ,  Haizu JIN ,  Xingdi CHEN ,  Jun MA

IPC: H01M10/6556 ,  H01M10/625 ,  H01M10/613 ,  H01M10/615 ,  H01M10/647 ,  H01M10/6567 ,  H01M10/658

Abstract: The present application provides a battery pack, a method for producing a battery pack and a vehicle. The vehicle includes a vehicle body and a battery pack, the battery pack being disposed in the vehicle body. The battery pack includes a battery module and a case. The case has a containing chamber, and the battery module is located in the containing chamber. The battery module includes a plurality of battery units arranged in a horizontal direction, and each battery unit at least includes one battery cell. A size of the battery module in the horizontal direction is larger than a size of the battery module in a vertical direction. The size of the battery module in the vertical direction is L1, and a size of the battery pack in the vertical direction is L2, where 70%≤L1L2≤95%.

公开(公告)号：US20210249731A1

公开(公告)日：2021-08-12

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

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.