公开(公告)号：US20220302548A1

公开(公告)日：2022-09-22

申请号：US17549983

申请日：2021-12-14

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

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

IPC: H01M50/333 ,  H01M50/262

Abstract: The present application provides a box of a battery, a battery, and a power consumption device. The box includes: a first component, including a first interface; a second component, configured to connect with the first component to form a chamber, the second component including a second interface, the second interface being configured to be arranged opposite to the first interface; a first locking mechanism, configured to lock the first component and the second component, so that the first interface and the second interface are sealed and connected; the first locking mechanism is configured to be actuated when an internal pressure of a chamber exceeds a preset value, so that the first interface and the second interface break away from a sealed state to relieve the internal pressure of the chamber. The pressure relief ability of the battery can be improved, and the safety of the battery can be enhanced.

公开(公告)号：US20220013856A1

公开(公告)日：2022-01-13

申请号：US17113067

申请日：2020-12-06

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

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

IPC: H01M50/342 ,  H01M10/04 ,  H01M10/6556 ,  H01M10/0525 ,  H01M10/625

Abstract: The present application discloses a battery including a battery cell, a thermal management component, an avoidance chamber and a collection chamber. The battery cell includes a pressure relief mechanism; the thermal management component is configured to adjust a temperature of the battery cell; the avoidance chamber is configured to provide a space allowing the pressure relief mechanism to be actuated; and the collection chamber is configured to collect emissions from the battery cell when the pressure relief mechanism is actuated. The thermal management component is configured such that emissions are capable of passing through the thermal management component when the pressure relief mechanism is actuated, and then entering the collection chamber through the avoidance chamber. Therefore, the pressure relief mechanism may not need to be provided on a side of an electrode terminal of the battery cell and emissions relieved by the pressure relief mechanism may be collected.

公开(公告)号：US20190027717A1

公开(公告)日：2019-01-24

申请号：US15950617

申请日：2018-04-11

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Baisong CHEN ,  Peng WANG ,  Kai WU ,  Zhiyu WANG ,  Xiaobo CHEN ,  Taosheng ZHU

IPC: H01M2/04 ,  H01M2/30 ,  H01M2/34

CPC classification number: H01M2/0486 ,  H01M2/0473 ,  H01M2/30 ,  H01M2/345 ,  H01M2/348 ,  H01M2200/103 ,  H01M2200/20

Abstract: Provided are a top cover assembly and a secondary battery containing the same. The top cover assembly includes a first electrode terminal, a conduction member, a second electrode terminal, and a top cover plate insulated from the first electrode terminal and electrically connected to the second electrode terminal, the secondary battery further comprises a contact plate which is attached to the top cover plate, the conduction member is insulated from the top cover plate and comprises an electrode terminal connection portion, a first fuse member, a contact plate connection portion, and a connection layer, the first fuse member has a melting point lower than the electrode terminal connection portion and the contact plate connection portion; the first fuse member is connected to the electrode terminal connection portion via the connection layer, and/or the first fuse member is connected to the contact plate connection portion via the connection layer.

公开(公告)号：US20240372207A1

公开(公告)日：2024-11-07

申请号：US18776998

申请日：2024-07-18

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

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

IPC: H01M50/325 ,  H01M10/625 ,  H01M10/65 ,  H01M10/6552 ,  H01M10/6555 ,  H01M50/204 ,  H01M50/207 ,  H01M50/209 ,  H01M50/291 ,  H01M50/342 ,  H01M50/507 ,  H01M50/543

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：US20240347804A1

公开(公告)日：2024-10-17

申请号：US18756727

申请日：2024-06-27

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Qiu JIN ,  Xuehui WANG ,  Xiaobo CHEN

IPC: H01M10/613 ,  H01M10/42 ,  H01M10/48 ,  H01M10/633 ,  H01M10/6568 ,  H02J9/06

CPC classification number: H01M10/613 ,  H01M10/4221 ,  H01M10/425 ,  H01M10/482 ,  H01M10/633 ,  H01M10/6568 ,  H01M2010/4271 ,  H02J9/062

Abstract: An energy storage system includes a plurality of batteries and a liquid cooling system, wherein the liquid cooling system includes a plurality of water pumps corresponding to the plurality of batteries and a thermal management unit. Thermal management unit is configured to determine a first battery where a battery cell under thermal runaway is located, and to open a first water pump corresponding to the first battery, so as to cool the first battery.

公开(公告)号：US20240213633A1

公开(公告)日：2024-06-27

申请号：US18596615

申请日：2024-03-05

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xiaobo CHEN ,  Mingguang GU ,  Xiongwei GAO

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

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

Abstract: A shell for accommodating an electrode assembly includes a peripheral wall and pressure relief grooves. The peripheral wall is extended in a first direction and is configured to enclose extension direction of the peripheral wall. The pressure relief grooves are arranged on the peripheral wall, which is configured to crack along the pressure relief grooves when the pressure or temperature inside the shell reaches a threshold, so as to release the pressure inside the shell. A distance between the pressure relief groove adjacent to an end of the peripheral wall and the end is less than or equal to one-third of a length of the peripheral wall.

公开(公告)号：US20240097298A1

公开(公告)日：2024-03-21

申请号：US18508764

申请日：2023-11-14

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

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

IPC: H01M50/618 ,  H01M50/375 ,  H01M50/691

CPC classification number: H01M50/618 ,  H01M50/375 ,  H01M50/691 ,  H01M2220/20

Abstract: Embodiments of the present application provide a box of a battery. The box includes: an electrical chamber configured to accommodate a plurality of battery cells, a battery cell including a pressure relief mechanism, 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 thermal management component configured to accommodate a fluid to adjust the temperature of the battery cell; and a collection chamber configured to collect emissions discharged from the battery cell when the pressure relief mechanism is actuated, where the electrical chamber and the collection chamber are disposed on both sides of the thermal management component, a wall of the collection chamber is provided with a first pressure relief zone, and the first pressure relief zone is configured to relieve the emissions in the collection chamber.

公开(公告)号：US20240088498A1

公开(公告)日：2024-03-14

申请号：US18462030

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 ,  H01M10/613 ,  H01M10/625 ,  H01M10/6554 ,  H01M10/6556 ,  H01M50/249 ,  H01M50/317

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

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

公开(公告)号：US20230344047A1

公开(公告)日：2023-10-26

申请号：US18215850

申请日：2023-06-29

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Rulai CAI ,  Xiaobo CHEN ,  Liwen JIANG ,  Fuping LUO ,  Yongshou LIN

IPC: H01M50/188 ,  H01M50/15

CPC classification number: H01M50/188 ,  H01M50/15

Abstract: An end cover assembly may include: a cover plate provided with an electrode lead-out hole; an electrode terminal located on one side of the cover plate in a thickness direction and covering the electrode lead-out hole; and a sealing element disposed between the electrode terminal and the cover plate so as to seal the electrode lead-out hole along a circumference of the electrode lead-out hole. The sealing element may include a body and a first insulating element. The first insulating element may be connected to the body and have a higher melting point than the body. The first insulating element may be configured to insulate the electrode terminal from the cover plate after the body is melted, so as to keep electrode terminals of two polarities insulated from each other at thermal runaway of a battery cell.

公开(公告)号：US20230268608A1

公开(公告)日：2023-08-24

申请号：US18306447

申请日：2023-04-25

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Shilong CHEN ,  Piaopiao YANG ,  Xiaobo CHEN ,  Yao LI ,  Lu HU

IPC: H01M50/342 ,  H01M50/147 ,  H01M50/186 ,  H01M10/44 ,  H01M10/0585

CPC classification number: H01M50/342 ,  H01M50/147 ,  H01M50/186 ,  H01M10/445 ,  H01M10/443 ,  H01M10/0585 ,  H01M50/249

Abstract: A battery cell, including a housing, a pressure relief member disposed on a first wall of the housing, an electrode assembly disposed inside the housing, an electrolyte immersing the electrode assembly, and a sealing member and an active substance that are disposed inside the housing. The sealing member is configured to seal the active substance on a side of electrode assembly close to the first wall. The sealing member is configured to be actuated when an internal pressure or temperature of the battery cell reaches a first threshold, to release the active substance, and the active substance is able to react with the electrolyte and/or the electrode assembly to increase the internal pressure or temperature of the battery cell, so as to actuate the pressure relief member. The battery cell can quickly discharge its internal temperature and pressure when experiencing thermal runaway, and the battery cell has good safety performance.