公开(公告)号：US20230327275A1

公开(公告)日：2023-10-12

申请号：US18333167

申请日：2023-06-12

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wenlin ZHOU ,  Kaihuan YANG ,  Ting ZHENG ,  Quankun LI ,  Peng WANG ,  Mingguang GU

IPC: H01M50/342 ,  F16K17/40

CPC classification number: H01M50/3425 ,  F16K17/403

Abstract: A pressure relief apparatus includes a pressure relief part having a first surface and a second surface opposite to each other in a thickness direction of the pressure relief part, and a plurality of stages of score grooves sequentially arranged on the pressure relief part in a direction from the first surface to the second surface. Of two adjacent stages of score grooves in the thickness direction, one stage of score groove that is farther from the first surface is arranged on a bottom surface of another stage of score groove that is closer to the first surface.

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：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：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：US20230231260A1

公开(公告)日：2023-07-20

申请号：US18188993

申请日：2023-03-23

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Lu HU ,  Xiaobo CHEN ,  Yao LI ,  Piaopiao YANG ,  Mingguang GU ,  Shaoji WU

IPC: H01M50/317 ,  H01M10/625 ,  H01M10/613 ,  H01M50/209 ,  H01M50/35 ,  H01M10/6566

CPC classification number: H01M50/317 ,  H01M10/625 ,  H01M10/613 ,  H01M50/209 ,  H01M50/35 ,  H01M10/6566 ,  H01M2220/20

Abstract: A battery housing includes an electrical cavity configured to accommodate battery cells. At least one battery cell includes a pressure relief mechanism configured to be actuated in response to internal pressure or temperature of the at least one battery cell reaching a threshold to relieve the internal pressure. The housing further includes a collection cavity configured to collect emissions from the at least one battery cell in response to the pressure relief mechanism being actuated, a separation component configured to separate the electrical cavity and the collection cavity, a partition structure configured to partition the collection cavity into a first cavity and a second cavity, and a flow channel baffle arranged in the second cavity and configured to form a flow channel for guiding the emissions. The partition structure is provided with an exhaust vent configured to guide the emissions in the first cavity into the second cavity.

公开(公告)号：US20230223641A1

公开(公告)日：2023-07-13

申请号：US17860295

申请日：2022-07-08

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Mingguang GU ,  Qiu JIN ,  Xiaobo CHEN ,  Yao LI

IPC: H01M50/325 ,  H01M50/204 ,  H01M50/543 ,  H01M10/65

CPC classification number: H01M50/325 ,  H01M50/204 ,  H01M50/543 ,  H01M10/65 ,  H01M2220/20

Abstract: Provided are a box of a battery, a battery, a power consumption apparatus, and a method and apparatus for producing a battery. The box includes: an electrical chamber configured to accommodate a battery cell, a pressure relief mechanism being disposed on a first wall of the battery cell, and the pressure relief mechanism being configured to be actuated when an internal pressure or temperature of the battery cell reaches a threshold, to relieve the internal pressure; a collecting chamber configured to collect emissions from the battery cell when the pressure relief mechanism is actuated, the collecting chamber being isolated from the electrical chamber; and a first thermal management component configured to accommodate a fluid to adjust a temperature of the battery cell, the first thermal management component being attached to a second wall of the battery cell, and the second wall being different from the first wall.

公开(公告)号：US20230025270A1

公开(公告)日：2023-01-26

申请号：US17953734

申请日：2022-09-27

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

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

IPC: H01M50/375 ,  H01M50/342 ,  H01M10/6556 ,  H01M10/625 ,  H01M10/613

Abstract: Embodiments of the present application provide a battery, a power consumption device, a method and a device for producing the battery. The battery includes: a battery cell, including a pressure relief mechanism, wherein the pressure relief mechanism is disposed on a first wall of the battery cell; a thermal management component, wherein a first surface of the thermal management component is attached to the first wall, and the thermal management component is provided with a pressure relief hole opposite to the pressure relief mechanism; and a baffle configured to cover a part of the pressure relief hole, so that when the pressure relief mechanism is actuated, a discharge direction of the emissions entering the pressure relief hole is changed. The battery, the power consumption device, the method and the device for producing the battery provided in the embodiments of the present application can enhance safety of batteries.