公开(公告)号：US20240055693A1

公开(公告)日：2024-02-15

申请号：US18494733

申请日：2023-10-25

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wenlin Zhou ,  Liangfan Xu ,  Wenwei Chen ,  Xing Li ,  Quankun Li

IPC: H01M10/653 ,  H01M50/103 ,  H01M50/15 ,  H01M50/474 ,  H01M50/477 ,  H01M10/04

CPC classification number: H01M10/653 ,  H01M50/103 ,  H01M50/15 ,  H01M50/474 ,  H01M50/477 ,  H01M10/049 ,  H01M10/0404

Abstract: Provided are a battery cell, a battery, a power consuming apparatus, and a method and apparatus for manufacturing the battery cell, relating to the technical field of batteries. The battery cell includes a housing, an electrode assembly, an end cap, an insulator and a thermally conductive member. The housing is provided with an opening. The electrode assembly is configured to be accommodated in the housing. The end cap is configured to cover the opening. The insulator is located on the side of the end cap facing the electrode assembly, and the insulator is configured to isolate the end cap from the electrode assembly. The thermally conductive member is embedded in the insulator, and the thermally conductive member is configured to be attached to the end cap. Heat generated by the electrode assembly may be transferred to the end cap through the thermally conductive member.

公开(公告)号：US20230223669A1

公开(公告)日：2023-07-13

申请号：US18149674

申请日：2023-01-04

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Wenlin Zhou ,  Shengwang Chen ,  Liangfan Xu ,  Quankun Li ,  Xing Li

IPC: H01M50/586 ,  H01M50/103 ,  H01M50/593 ,  H01M50/15 ,  H01M50/209 ,  H01M10/04

CPC classification number: H01M50/586 ,  H01M50/103 ,  H01M50/593 ,  H01M50/15 ,  H01M50/209 ,  H01M10/0404 ,  H01M2220/20 ,  H01M2200/00

Abstract: A battery cell, a battery, an electrical device, and a method and device for manufacturing the battery cell. In some embodiments, the battery cell comprises a battery core, a shell, an end cover, and a first insulating component. The battery core comprises a main body part and electrode tabs protruding from the main body part. The shell has a first opening and is configured to accommodate the battery core. The end cover is configured to cover the first opening. The first insulating component comprises an insulating main body and an insulating part, wherein the insulating main body is located on a side, facing the electrode tabs, of the end cover, and the insulating main body is configured to isolate the battery core from the end cover.

公开(公告)号：US20240372234A1

公开(公告)日：2024-11-07

申请号：US18774945

申请日：2024-07-17

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wenlin Zhou ,  Yade Zhu ,  Quankun Li ,  Peng Wang

IPC: H01M50/636 ,  B60L50/64 ,  H01M50/103 ,  H01M50/15 ,  H01M50/342

Abstract: Provided are an end cover assembly, a battery unit, a battery, and an electricity consuming apparatus. The end cover assembly includes an end cover, a pressure relief mechanism, and a protective sheet. The end cover includes a main body part and a protruding part which protrudes from the main body part along the thickness direction of the end cover. The end cover is provided with a through hole which passes through the main body part and the protruding part. The pressure relief mechanism is disposed on a side of the main body part away from the protruding part and covers the through hole. The protective sheet is attached to a surface of the protruding part away from the main body part and covers the through hole. The protruding part includes a first convex part and a second convex part.

公开(公告)号：US20240079693A1

公开(公告)日：2024-03-07

申请号：US18501040

申请日：2023-11-03

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wenlin Zhou ,  Quankun Li ,  Daowei Yang ,  Peng Wang

IPC: H01M50/15 ,  H01M50/103 ,  H01M50/186 ,  H01M50/209 ,  H01M50/342

CPC classification number: H01M50/15 ,  H01M50/103 ,  H01M50/186 ,  H01M50/209 ,  H01M50/3425 ,  H01M2220/20

Abstract: Provided are an end cover assembly, a battery cell, a battery, and an electrical apparatus. The end cover assembly is for a battery cell and comprises: an end cover provided with a pressure relief through hole; a pressure relief mechanism connected to the end cover and covering the pressure relief through hole, and configured to be actuated to release the pressure inside the battery cell when the pressure reaches a threshold; and a reinforcing mechanism, located on a side of the end cover facing away from an electrode assembly of the battery cell, and covering at least a part of the pressure relief through hole. The reinforcing mechanism is at least connected to a portion of the end cover at two sides of the pressure relief through hole along a first direction to enhance the strength of the end cover at the pressure relief through hole.

公开(公告)号：US20230198054A1

公开(公告)日：2023-06-22

申请号：US18167083

申请日：2023-02-10

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wenwei Chen ,  Wenlin Zhou ,  Xiangyan Bu ,  Xinxiang Chen ,  Peng Wang ,  Haizu Jin

IPC: H01M50/103 ,  H01M50/15 ,  H01M50/176 ,  H01M50/531 ,  H01M50/55

CPC classification number: H01M50/103 ,  H01M50/15 ,  H01M50/176 ,  H01M50/531 ,  H01M50/55 ,  H01M2220/20

Abstract: In some embodiments, the battery cell includes a shell, including an opening; an electrode unit, accommodated in the shell, the electrode unit including a main body portion and a tab portion protruding from the main body portion; a cap assembly, for connecting with the shell, and covering and closing the opening; and a first insulating member, accommodated in the shell and adapted to isolate at least part of the main body portion from the shell, the first insulating member including a first insulating plate, and the first insulating plate being disposed on a side of the main body portion facing the cap assembly and being attached to the main body portion. The first insulating member can insulate at least part of the main body portion from the shell.

公开(公告)号：US20240396127A1

公开(公告)日：2024-11-28

申请号：US18792565

申请日：2024-08-02

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wenlin Zhou ,  Quankun Li ,  Yongfeng Xie ,  Wenzhong Liu ,  Peng Wang

IPC: H01M50/15 ,  H01M50/176 ,  H01M50/188 ,  H01M50/249 ,  H01M50/553 ,  H01M50/593

Abstract: The present application provides an end cover assembly, a battery cell, a battery, and an electrical device, relating to the field of batteries. The end cover assembly includes an end cover, an electrode terminal, and an insulating member. The end cover is used for closing an opening of a shell. The end cover has a mounting portion, which confines a mounting hole. The electrode terminal at least partially passes through the mounting hole. The insulating member includes a first insulating portion, a second insulating portion, and a third insulating portion connected sequentially. The second insulating portion is at least partially located in the mounting hole, and the first insulating portion and the third insulating portion are separately located on two sides of the mounting portion in a thickness direction of the end cover to cover the mounting portion.

公开(公告)号：US12132230B2

公开(公告)日：2024-10-29

申请号：US18662836

申请日：2024-05-13

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Lulu Bai ,  Quankun Li ,  Ningsheng Wu ,  Wenlin Zhou ,  Ting Zheng

IPC: H01M50/538 ,  H01M50/191 ,  H01M50/474 ,  H01M50/536 ,  H01M50/567 ,  H01M50/593

CPC classification number: H01M50/538 ,  H01M50/191 ,  H01M50/474 ,  H01M50/536 ,  H01M50/567 ,  H01M50/593 ,  H01M50/514 ,  H01M50/529 ,  H01M50/502 ,  H01M50/531 ,  H01M50/296

Abstract: A battery cell includes electrode assemblies arranged in a first direction, where an end part of each electrode assembly along a second direction perpendicular to the first direction is provided with a tab; and a connection member configured to connect tabs of the electrode assemblies and an electrode terminal of the battery cell. The connection member includes a main body portion and a pin, the main body portion extends along the first direction, and includes a first surface and a second surface perpendicular to the second direction, the main body portion is provided with a plurality of through grooves passing through the first surface and the second surface, and the plurality of through grooves are respectively configured to accommodate the tabs of the plurality of electrode assemblies.

公开(公告)号：US20240154218A1

公开(公告)日：2024-05-09

申请号：US18412586

申请日：2024-01-14

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wenlin Zhou ,  Long Chen ,  Yulian Zheng ,  Quankun Li ,  Peng Wang ,  Zhijun Guo

IPC: H01M50/14 ,  H01M50/103 ,  H01M50/107 ,  H01M50/119 ,  H01M50/133 ,  H01M50/15 ,  H01M50/152 ,  H01M50/169 ,  H01M50/176 ,  H01M50/179 ,  H01M50/184 ,  H01M50/186 ,  H01M50/531 ,  H01M50/55 ,  H01M50/553 ,  H01M50/559 ,  H01M50/566 ,  H01M50/627

CPC classification number: H01M50/14 ,  H01M50/103 ,  H01M50/107 ,  H01M50/119 ,  H01M50/133 ,  H01M50/15 ,  H01M50/152 ,  H01M50/169 ,  H01M50/176 ,  H01M50/179 ,  H01M50/184 ,  H01M50/186 ,  H01M50/531 ,  H01M50/55 ,  H01M50/553 ,  H01M50/559 ,  H01M50/566 ,  H01M50/627 ,  H01M2220/20

Abstract: Provided are a battery cell, a battery, and an electrical apparatus. The battery cell includes a case, an electrode assembly, a first electrode terminal, and a cover plate. The case includes a cylinder and a cover body that are integrally formed, and the cylinder has an opening at the end facing away from the cover body. The electrode assembly is accommodated in the case and includes a first tab. The first electrode terminal is arranged on the cover body and is configured for electrical connection with the first tab. The cover plate is connected to the cylinder and covers the opening. The first electrode terminal is mounted to the cover body, which can increase a distance between a joint between the cylinder and the cover plate and the first electrode terminal.

公开(公告)号：US20230123414A1

公开(公告)日：2023-04-20

申请号：US18066286

申请日：2022-12-15

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Wenlin Zhou ,  Quankun Li ,  Peng Wang ,  Haizu Jin

IPC: H01M50/30 ,  H01M50/15 ,  H01M50/533 ,  H01M50/103

Abstract: A battery cell, a battery, an electric device, and a method and device for manufacturing battery cell are provided. The battery cell includes an electrode assembly; and a housing configured to accommodate the electrode assembly, where a first wall of the housing includes a first body and a mounting body connected to the first body, the mounting body is provided with a pressure relief mechanism, and the pressure relief mechanism is configured to be actuated when internal pressure or temperature of the battery cell reaches a threshold, so as to relieve the pressure; in a thickness direction of the first wall, at least part of the mounting body protrudes out of a surface of the first body facing the electrode assembly in a direction approaching the electrode assembly.

公开(公告)号：US20240347824A1

公开(公告)日：2024-10-17

申请号：US18754203

申请日：2024-06-26

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wenlin Zhou ,  Liangfan Xu ,  Daowei Yang ,  Jian Zhou ,  Quankun Li ,  Peng Wang

IPC: H01M50/15 ,  H01M50/103 ,  H01M50/131 ,  H01M50/553

CPC classification number: H01M50/15 ,  H01M50/103 ,  H01M50/131 ,  H01M50/553

Abstract: Provided are an end cover assembly, a battery cell, a battery, and an electrical device, relating to the field of batteries. The end cover assembly includes an end cover, a groove, and a reinforcing portion. The end cover has a first surface and a second surface opposite in its thickness direction. The groove is recessed from the first surface in a direction towards the second surface. The reinforcing portion protrudes from the first surface and/or the second surface, and surrounds the groove.