公开(公告)号：US20220336913A1

公开(公告)日：2022-10-20

申请号：US17563885

申请日：2021-12-28

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Mingguang GU ,  Xiaobo CHEN ,  Yao LI ,  Xianda LI ,  Jinru YUE ,  Piaopiao YANG ,  Lu HU

IPC: H01M50/325 ,  H01M50/124 ,  H01M50/171 ,  H01M50/209

Abstract: Embodiments of the present application provide a battery cell, a battery, a power consumption apparatus, a method for producing a battery cell and an apparatus for producing a battery cell. The battery cell includes: a pressure relief mechanism, the pressure relief mechanism being disposed on at least one wall of the battery cell; and a protective film enclosing an outer surface of the at least one wall, the protective film being configured to provide insulation protection for the at least one wall; where the protective film includes a first portion at least covering the pressure relief mechanism. Through technical solutions of the embodiments of the present application, insulation performance of a battery cell could be improved; meanwhile, deformation of a pressure relief mechanism could be suppressed, creep of the pressure relief mechanism could be reduced, and the service life of the pressure relief mechanism could be increased.

公开(公告)号：US20220320651A1

公开(公告)日：2022-10-06

申请号：US17551775

申请日：2021-12-15

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Piaopiao YANG ,  Xiaobo CHEN ,  Yao LI ,  Xianda LI ,  Jinru YUE ,  Mingguang GU ,  Lu HU

IPC: H01M50/204 ,  H01M50/317 ,  H01M10/613 ,  H01M10/625 ,  H01M10/6554 ,  H01M10/6556 ,  H01M50/249

Abstract: Embodiments of the present application are provided with a box of a battery, a battery, a power consumption device, and a method and device for producing a battery. The box of the battery includes: an electrical chamber; a thermal management component; and a collection chamber, configured to collect emissions from the battery cell provided with the pressure relief mechanism when the pressure relief mechanism is actuated; wherein the thermal management component is configured to isolate the electrical chamber from the collection chamber, a pressure relief region is disposed on the thermal management component, and the emissions collected by the collection chamber is discharged through the pressure relief region. 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：US20220123425A1

公开(公告)日：2022-04-21

申请号：US17562608

申请日：2021-12-27

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Mingguang GU ,  Xiaobo CHEN ,  Yao LI ,  Xianda LI ,  Jinru YUE ,  Piaopiao Yang ,  Lu HU

IPC: H01M50/325 ,  H01M10/0525 ,  H01M50/593

Abstract: The present application discloses a battery and a related apparatus, production method and production device therefor. The battery includes: a battery cell, the battery cell including a pressure relief mechanism configured to be capable of being actuated when an internal pressure or temperature of the battery cell reaches a threshold, to relieve the internal pressure; an attachment component adapted to be attached to the battery cell by an adhesive; and an isolation component configured to be capable of preventing the adhesive from being applied between the attachment component and the pressure relief mechanism. By providing the isolation component, it is possible to prevent the adhesive from being applied between the attachment component and the pressure relief mechanism in an effective manner in a process of battery production. Meanwhile, application efficiency and accuracy of the adhesive could be improved, thereby improving production efficiency of the battery.

公开(公告)号：US20220013853A1

公开(公告)日：2022-01-13

申请号：US17113038

申请日：2020-12-05

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

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

IPC: H01M50/342 ,  H01M10/613 ,  H01M10/625 ,  H01M10/6554 ,  H01M50/204

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：US20220013757A1

公开(公告)日：2022-01-13

申请号：US17113034

申请日：2020-12-05

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Kai WU ,  Wei WANG ,  Yuepan HOU ,  Peng WANG ,  Xiaobo CHEN ,  Yao LI ,  Yongshou LIN

IPC: H01M2/12 ,  H01M10/6567 ,  H01M10/6554 ,  H01M2/10

Abstract: Embodiments of the present application provide a battery, a power consumption device, a method and device for preparing a battery. The battery includes: a battery cell including a pressure relief mechanism, the pressure relief mechanism being disposed at a first wall of the battery cell; and a thermal management component configured to accommodate a fluid to adjust a temperature of the battery cell; where a first surface of the thermal management component is attached to the first wall of the battery cell, the thermal management component is configured to be capable of being damaged by emissions discharged from the battery cell when the pressure relief mechanism is actuated, such that the emissions pass through 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：US20240313290A1

公开(公告)日：2024-09-19

申请号：US18676796

申请日：2024-05-29

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xiaobo CHEN ,  Yujie PU ,  Yao LI ,  Jianhuang KE ,  Piaopiao YANG

IPC: H01M10/63 ,  B60L3/00 ,  H01M10/48 ,  H01M10/613 ,  H01M10/625

CPC classification number: H01M10/63 ,  B60L3/0046 ,  H01M10/48 ,  H01M10/613 ,  H01M10/625 ,  H01M2200/10 ,  H01M2220/20

Abstract: A safety control mechanism for performing safety control on a battery includes a voltage generation module and a safety member. The voltage generation module is configured to establish a voltage difference between the safety member and the battery. When the battery is abnormal, the voltage difference causes the safety member to perform safety control.

公开(公告)号：US20240266669A1

公开(公告)日：2024-08-08

申请号：US18405085

申请日：2024-01-05

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yao LI ,  Xiaobo CHEN ,  Qiu JIN

IPC: H01M50/375 ,  H01M10/6556 ,  H01M50/204 ,  H01M50/342 ,  H01M50/367

CPC classification number: H01M50/375 ,  H01M10/6556 ,  H01M50/204 ,  H01M50/3425 ,  H01M50/367 ,  H01M2200/20

Abstract: Provided are a battery, an electric apparatus, a method for preparing battery, and an apparatus for preparing battery. The battery includes: a plurality of battery cells, including first battery cells and second battery cells, where a pressure relief mechanism is provided on both a first wall of the first battery cell and a second wall of the second battery cell; and a thermal management component, configured to accommodate fluid to regulate temperatures of the plurality of battery cells, where the thermal management component is attached to the first wall of the first battery cell and a first wall of the second battery cell, and is provided with a pressure relief region at a position corresponding to the pressure relief mechanism of the first battery cell, to discharge emissions from the first battery cell when the pressure relief mechanism of the first battery cell is actuated.

公开(公告)号：US20240222783A1

公开(公告)日：2024-07-04

申请号：US18604490

申请日：2024-03-13

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Jianhuang KE ,  Xiaobo CHEN ,  Yao LI

IPC: H01M50/342 ,  H01M50/209

CPC classification number: H01M50/3425 ,  H01M50/209

Abstract: A battery includes: a box body including an electrical cavity; a battery cell group accommodated in the electrical cavity, wherein the battery cell group includes a plurality of battery cells arranged in a first direction, at least two battery cells in the battery cell group are each provided with a pressure relief mechanism, and the pressure relief mechanism is arranged on a first wall of the battery cell; and a supporting member attached to the first wall to support the battery cell, wherein the supporting member includes escape cavities corresponding to at least two of the pressure relief mechanisms in the battery cell group, and the escape cavities are used for providing deformation spaces for actuation of the at least two pressure relief mechanisms.

公开(公告)号：US20230420774A1

公开(公告)日：2023-12-28

申请号：US18462008

申请日：2023-09-06

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Piaopiao YANG ,  Xiaobo CHEN ,  Yao LI ,  Xianda LI ,  Jinru YUE ,  Mingguang GU ,  Lu HU

IPC: H01M50/204 ,  H01M50/317 ,  H01M10/613 ,  H01M10/625 ,  H01M10/6556 ,  H01M50/249 ,  H01M10/6554

CPC classification number: H01M50/204 ,  H01M50/317 ,  H01M10/613 ,  H01M10/625 ,  H01M10/6556 ,  H01M50/249 ,  H01M10/6554 ,  H01M2220/20 ,  H01M2200/10 ,  H01M2200/20

Abstract: Embodiments of the present application are provided with a box of a battery, a battery, a power consumption device, and a method and device for producing a battery. The box of the battery includes: an electrical chamber; a thermal management component; and a collection chamber, configured to collect emissions from the battery cell provided with the pressure relief mechanism when the pressure relief mechanism is actuated; wherein the thermal management component is configured to isolate the electrical chamber from the collection chamber, a pressure relief region is disposed on the thermal management component, and the emissions collected by the collection chamber is discharged through the pressure relief region. 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：US20230223644A1

公开(公告)日：2023-07-13

申请号：US18187207

申请日：2023-03-21

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Mingguang GU ,  Xiaobo CHEN ,  Yao LI ,  Xuehui WANG ,  Yucang HAO

IPC: H01M50/342

CPC classification number: H01M50/3425

Abstract: A pressure relief apparatus includes a pressure relief body and a plurality of score grooves. The pressure relief body includes a pressure relief portion, and the pressure relief portion has a first surface and a second surface opposite to each other in a thickness direction of the pressure relief portion. A plurality of score grooves are sequentially arranged at the pressure relief portion in a direction from the first surface to the second surface. In two adjacent score grooves in the thickness direction, a maximum width of a score groove farther away from the first surface is less than a minimum width of a score groove closer to the first surface.