公开(公告)号：US20240421402A1

公开(公告)日：2024-12-19

申请号：US18814208

申请日：2024-08-23

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Qi CHENG ,  Hong Wang ,  Quankun Li ,  Jiang Liu ,  Daichun Tang

IPC: H01M50/244 ,  H01M50/105 ,  H01M50/242 ,  H01M50/249

Abstract: A battery, a power consumption apparatus, and a method for producing a battery are provided. The battery includes: a battery module including a first battery cell and a second battery cell that are disposed in a stacked manner along a first direction, where the first battery cell and the second battery cell are located at a first end of the battery module in a second direction, a first electrode output part of the first battery cell is connected to a second electrode output part of the second battery cell, the first direction is a thickness direction of the battery, and the second direction is a length direction of the battery; and a supporting member disposed in a first accommodating space enclosed by a first electrode output part and a second electrode output part, and configured to support the first electrode output part and the second electrode output part.

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：US12155089B1

公开(公告)日：2024-11-26

申请号：US18792505

申请日：2024-08-01

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Haibo Ke ,  Quankun Li ,  Jiawei Liu ,  Junqi Cao ,  Peng Wang ,  Guoan Mao

IPC: H01M50/477 ,  H01M50/209 ,  H01M50/474 ,  B60R16/033

Abstract: An embodiment of the present application provides a battery cell, a battery and an electrical device. The battery cell includes: a case, which is a hollow structure having a first opening end; an end cover assembly for covering the first opening end; an electrode assembly accommodated in the case; and an insulating guard layer disposed between the electrode assembly and the case to wrap at least part of the electrode assembly, wherein the insulating guard layer includes a main body portion and a protrusion structure, the main body portion has a second opening end facing the first opening end, the protrusion structure is connected to the second opening end and extends toward the end cover assembly, and the protrusion structure is used for connecting with the end cover assembly.

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：US20220407192A1

公开(公告)日：2022-12-22

申请号：US17821807

申请日：2022-08-24

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Quankun Li ,  Wenzhong Liu ,  Huasheng Su ,  Qifan Zou ,  Peng Wang

IPC: H01M50/533 ,  H01M50/107 ,  H01M50/152 ,  H01M50/536 ,  H01M50/566 ,  H01M50/559

Abstract: A battery cell, a manufacturing method, a manufacturing system, a battery and an electrical device are provided. In some embodiments, the battery cell of includes an electrode component; a casing for accommodating the electrode component and having an opening; an end cap for sealing the opening of the casing; a current collector member for electrically connecting the electrode component and the end cap, the current collector member including a base portion and an elastic portion connected to the base portion. The elastic portion abuts against the electrode component, so the elastic portion is not required to be welded to the electrode component, thus reducing metal particles to lower the risk of short circuit. The elastic portion is able to deform when squeezed by the electrode component and release the pressure therebetween by deformation, reducing the risk of crushing the electrode component due to excessive pressure.

公开(公告)号：US11482761B2

公开(公告)日：2022-10-25

申请号：US16794894

申请日：2020-02-19

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Quankun Li ,  Peng Wang ,  Taosheng Zhu ,  Baisong Chen

IPC: H01M50/528 ,  H01M50/147 ,  H01M50/148 ,  H01M50/155 ,  H01M50/172 ,  H01M50/502 ,  H01M50/543 ,  H01M10/42 ,  H01M50/538 ,  H01M10/052

Abstract: The present disclosure provides a secondary battery and a battery module. The secondary battery includes: a shell having an opening; an electrode assembly including a first electrode plate, a second electrode plate, and a separator; a cap assembly including a cap plate and a first electrode terminal; a lower insulator located at a side of the cap plate away from the terminal board; and a wiring board including a main body portion and an extension portion, wherein the main body portion is located at a side of the lower insulator away from the cap plate and connected to the first electrode plate, the extension portion extends into the electrode lead-out hole and connected to the first electrode terminal, the first electrode plate is electrically connected to the first electrode terminal through the wiring board, and the first electrode terminal does not extend beyond a lower surface of the lower insulator.

公开(公告)号：US10658647B2

公开(公告)日：2020-05-19

申请号：US15894779

申请日：2018-02-12

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Quankun Li ,  Peng Wang ,  Taosheng Zhu ,  Baisong Chen

IPC: H01M2/22 ,  H01M2/06 ,  H01M2/04 ,  H01M2/30 ,  H01M2/20 ,  H01M10/42 ,  H01M10/052 ,  H01M2/26

Abstract: The present disclosure provides a secondary battery and a battery module. The secondary battery includes: a shell having an opening; an electrode assembly including a first electrode plate, a second electrode plate, and a separator; a cap assembly including a cap plate and a first electrode terminal; a lower insulator located at a side of the cap plate away from the terminal board; and a wiring board including a main body portion and an extension portion, wherein the main body portion is located at a side of the lower insulator away from the cap plate and connected to the first electrode plate, the extension portion extends into the electrode lead-out hole and connected to the first electrode terminal, the first electrode plate is electrically connected to the first electrode terminal through the wiring board, and the first electrode terminal does not extend beyond a lower surface of the lower insulator.

公开(公告)号：US20190109305A1

公开(公告)日：2019-04-11

申请号：US15873527

申请日：2018-01-17

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Yulian Zheng ,  Chengyou Xing ,  Quankun Li ,  Peng Wang ,  Lulu Bai

IPC: H01M2/04 ,  H01M2/08 ,  H01M2/06 ,  H01M2/30 ,  H01M2/02 ,  H01M2/12

CPC classification number: H01M2/0473 ,  H01M2/021 ,  H01M2/043 ,  H01M2/0482 ,  H01M2/06 ,  H01M2/08 ,  H01M2/12 ,  H01M2/305 ,  H01M2200/20 ,  H01M2220/20

Abstract: The present disclosure provides a cap assembly for a secondary battery and a secondary battery. The cap assembly includes a cap plate, a fixing member, a connecting member and an electrode terminal, wherein the cap plate has an electrode lead-out hole; the fixing member is fixed to the cap plate through the connecting member and provided with a weakened portion that is close to a center line of the cap plate in a width direction of the cap plate; and the electrode terminal includes a terminal board, wherein the terminal board has an outer peripheral surface at least partially surrounded by the fixing member so that the electrode terminal is fixed to the fixing member, and the terminal board is provided on a side of the cap plate and covers the electrode lead-out hole.