公开(公告)号：US20240222822A1

公开(公告)日：2024-07-04

申请号：US18604186

申请日：2024-03-13

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xiaobo CHEN ,  Mingguang GU

IPC: H01M50/578 ,  H01M50/581

CPC classification number: H01M50/578 ,  H01M50/581 ,  H01M2220/20

Abstract: A shell for a battery cell includes a pressure relief mechanism that includes: a body; a first weakened portion arranged on the body, the first weakened portion having two first free ends, and a line connecting the two first free ends not completely overlapping with the first weakened portion and jointly defining a pressure relief portion; and a second weakened portion arranged on the body, a first projection of the first weakened portion on a plane perpendicular to a first direction not intersecting a second projection of the second weakened portion on the plane, the first direction being a thickness direction of the pressure relief portion. The pressure relief portion is configured to be opened with the first weakened portion as a boundary and flip toward one side where the second weakened portion is located when an internal pressure or temperature of the battery cell reaches a threshold.

公开(公告)号：US20240222747A1

公开(公告)日：2024-07-04

申请号：US18608278

申请日：2024-03-18

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xiaobo CHEN ,  Xiongwei GAO ,  Mingguang GU

IPC: H01M50/107 ,  H01M10/04 ,  H01M50/578

CPC classification number: H01M50/107 ,  H01M10/0422 ,  H01M50/578 ,  H01M2220/20

Abstract: A shell includes a peripheral wall and a pressure relief groove. The peripheral wall extends in a first direction and has a pressure relief portion, and the pressure relief portion is configured to flip and open towards an outside of the shell when a pressure or temperature inside the shell reaches a threshold, so as to release the pressure inside the shell. The pressure relief groove is disposed on the peripheral wall, and the pressure relief groove includes a first groove, a second groove, and a third groove, where the first groove is opposite to the third groove, and the first groove, the second groove, and the third groove are sequentially connected to jointly confine a pressure relief portion. An angle α between an extension direction of the first groove and the first direction satisfies: 45°≤α

公开(公告)号：US20240145849A1

公开(公告)日：2024-05-02

申请号：US18409816

申请日：2024-01-11

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Jianhuang KE ,  Xiaobo CHEN ,  Yao LI

IPC: H01M50/342

CPC classification number: H01M50/3425 ,  H01M2220/20

Abstract: Embodiments of the present application provide a battery and an electrical device. The battery comprises: a box body including an electrical cavity; a battery cell accommodated in the electrical cavity and provided with a pressure relief mechanism on a first wall of the battery cell; a first passage and a second passage, the first passage and the second passage being configured to be able to communicate with the inside of the battery cell through the pressure relief mechanism when the pressure relief mechanism is actuated, wherein the first passage is used to discharge the emissions discharged from the pressure relief mechanism into the electrical cavity, and the second passage is used to discharge the emissions discharged from the pressure relief mechanism out of the electrical cavity.

公开(公告)号：US20230352788A1

公开(公告)日：2023-11-02

申请号：US18218591

申请日：2023-07-06

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Ou QIAN ,  Xiaobo CHEN ,  Qiu JIN ,  Piaopiao YANG

IPC: H01M50/242 ,  H01M50/213 ,  H01M10/48 ,  H01M50/507

CPC classification number: H01M50/242 ,  H01M50/213 ,  H01M10/482 ,  H01M50/507

Abstract: Embodiments of the present application provide a battery, a power consumption device, and a method and device for producing a battery. The battery may include: a plurality of first battery cells, a first battery cell being a cylinder, and a gap being provided between the plurality of first battery cells; a second battery cell disposed in the gap between the plurality of first battery cells, the second battery cell being configured to deform under a squeeze of the plurality of first battery cells to fit a shape of the gap; and a box configured to accommodate the plurality of first battery cells and the second battery cell.

公开(公告)号：US20230018764A1

公开(公告)日：2023-01-19

申请号：US17951816

申请日：2022-09-23

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yao LI ,  Xiaobo CHEN ,  Mingguang GU

IPC: H01M50/342 ,  H01M50/209

Abstract: An embodiment of the present application is provided with a battery box, a battery, a power consumption device, and a method for producing a battery and an apparatus for producing a battery. The box of the battery includes: an electrical chamber, configured to accommodate a battery cell group; a collection chamber, configured to collect emissions of the battery cell provided with the pressure relief mechanism when the pressure relief mechanism is actuated; an isolation component for isolating the electrical chamber and the collection chamber, such that the electrical chamber and the collection chamber are arranged on both sides of the isolation component; wherein a surface of the isolation component that is close to the battery cell group is provided with an avoidance opening, the avoidance opening extends along the first direction, and the plurality of pressure relief mechanisms of the battery cell group face the avoidance opening.

公开(公告)号：US20220013839A1

公开(公告)日：2022-01-13

申请号：US17113013

申请日：2020-12-05

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yuqun ZENG ,  Zhimin ZENG ,  Kai WU ,  Xingdi CHEN ,  Peng WANG ,  Xiaobo CHEN ,  Yao LI

IPC: H01M50/209 ,  H01M10/0525 ,  H01M10/42 ,  H01M10/625 ,  H01M50/249 ,  H01M50/271 ,  H01M50/287 ,  H01M50/342 ,  H01M50/375

Abstract: The present application discloses a battery and a related apparatus, production method, production device therefor. A battery includes a plurality of battery cells, a cover body and an insulating part. The plurality of battery cells are configured to be electrically connected to each other through a bus component; a cover body includes an accommodation space configured to install the bus component; and the insulating part is attached to the cover body and provided to cover at least the bus component. According to the present application, a bus component configured to electrically connect a plurality of battery cells in a battery is embedded on a cover body. This arrangement makes the structure of the battery more compact, and since the bus component is not sealed in a case, part of the structure of a battery management unit may be arranged outside the case of the battery.

公开(公告)号：US20220013755A1

公开(公告)日：2022-01-13

申请号：US17113025

申请日：2020-12-05

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xiaobo CHEN ,  Fenggang ZHAO ,  Yao LI ,  Peng WANG ,  Zhanyu SUN ,  Yongshou LIN

IPC: H01M2/10 ,  H01M2/20 ,  H01M2/12 ,  H01M10/613 ,  H01M10/625 ,  H01M10/6554

Abstract: Embodiments of the present application provide a case of a battery, a battery, a power consumption device, and a method and device for preparing a battery. The case includes: an electrical chamber configured to accommodate a plurality of battery cells and a bus component, where at least one battery cell of the plurality of battery cells includes a pressure relief mechanism; a thermal management component configured to accommodate a fluid to adjust temperatures of the plurality of battery cells; and a collection chamber configured to collect, when the pressure relief mechanism is actuated, emissions from the battery cell provided with the pressure relief mechanism; where the thermal management component is configured to isolate the electrical chamber from the collection chamber. According to the technical solutions of the embodiments of the present application, the safety of the battery can be enhanced.

公开(公告)号：US20240339681A1

公开(公告)日：2024-10-10

申请号：US18749859

申请日：2024-06-21

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Shaoji WU ,  Xiaobo CHEN ,  Shilong CHEN

IPC: H01M10/42 ,  H01M10/48 ,  H01M50/209

CPC classification number: H01M10/425 ,  H01M10/486 ,  H01M50/209 ,  H01M2010/4271 ,  H01M2200/20

Abstract: A battery pack, a safety control method therefor, and an electric apparatus are provided. The battery pack includes: a box assembly; a plurality of battery cells disposed in the box assembly, the battery cell having a housing; and a safety protection mechanism disposed in the box assembly and having a first state and a second state. When the safety protection mechanism is in the first state, the plurality of battery cells are insulated from the box assembly. The safety protection mechanism is in the second state when a preset trigger condition is met, and when the safety protection mechanism is in the second state, the housings of at least some of the battery cells are electrically connected to the box assembly.

公开(公告)号：US20230411774A1

公开(公告)日：2023-12-21

申请号：US18240707

申请日：2023-08-31

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yuqun ZENG ,  Xiaobo CHEN ,  Peng WANG ,  Yao LI ,  Yongshou LIN

IPC: H01M50/342 ,  H01M10/613 ,  H01M10/625 ,  H01M50/204 ,  H01M10/6554 ,  H01M10/647 ,  H01M10/6556 ,  H01M50/209 ,  H01M50/358 ,  H01M50/375 ,  H01M50/609

CPC classification number: H01M50/3425 ,  H01M10/613 ,  H01M10/625 ,  H01M50/204 ,  H01M10/6554 ,  H01M10/647 ,  H01M10/6556 ,  H01M50/209 ,  H01M50/342 ,  H01M50/358 ,  H01M50/375 ,  H01M50/609 ,  H01M2200/10 ,  H01M2200/20 ,  H01M2220/20

Abstract: Embodiments of the present application provide a battery. The battery includes: a battery cell comprising a pressure relief mechanism, the pressure relief mechanism being arranged in a first wall of the battery cell and the pressure relief mechanism being configured, when an internal pressure or temperature of the battery cell reaches a threshold, to be actuated to release the internal pressure; and a thermal management component for containing a fluid to adjust the temperature of the battery cell; wherein a first surface of the thermal management component is attached to the first wall, and the thermal management component is configured to be capable of being damaged when the pressure relief mechanism is actuated, so that the fluid is discharged from inside of the thermal management component. According to the technical solutions of the embodiments of the present application, the safety of the battery can be enhanced.

公开(公告)号：US20230361424A1

公开(公告)日：2023-11-09

申请号：US18353706

申请日：2023-07-17

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Ou QIAN ,  Piaopiao YANG ,  Yufeng ZHANG ,  Xiaobo CHEN

IPC: H01M50/392 ,  H01M50/367 ,  H01M50/107 ,  H01M50/213

CPC classification number: H01M50/392 ,  H01M50/367 ,  H01M50/107 ,  H01M50/213 ,  H01M2220/20

Abstract: A battery includes a cylindrical battery cell having a cylindrical side surface provided with a pressure relief mechanism, an electrical chamber configured to accommodate the battery cell, a collection chamber configured to collect emissions from the battery cell when the pressure relief mechanism is actuated, and an isolation component configured to isolate the electrical chamber from the collection chamber. The isolation component includes a first region and a second region. The first region is used for accommodating a first portion of the battery cell such that the first portion protrudes, towards the collection chamber, from a surface of the second region facing towards the collection chamber, and the pressure relief mechanism is disposed in a region of the cylindrical side surface located in the first portion such that the emissions are allowed to enter the collection chamber when the pressure relief mechanism is actuated.