公开(公告)号：US20240396173A1

公开(公告)日：2024-11-28

申请号：US18795695

申请日：2024-08-06

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Lulu BAI ,  Xinxiang CHEN ,  Ningsheng WU ,  Quankun LI ,  Ting ZHENG ,  Wenlin ZHOU

IPC: H01M50/463 ,  H01M10/04 ,  H01M50/593

Abstract: A battery cell includes a shell, an electrode assembly, and an insulator; the shell includes a bottom wall and a side wall disposed at a periphery of the bottom wall; the electrode assembly is accommodated in the shell; the insulator includes a first insulating portion and a second insulating portion that are connected, the first insulating portion is used for separating the electrode assembly from the bottom wall, the first insulating portion is provided with a through hole, and the second insulating portion is used for separating the electrode assembly from the side wall; and the insulator further includes a folding portion, which is disposed on the first insulating portion in a foldable manner, and is configured to be stacked with the first insulating portion to cover the through hole.

公开(公告)号：US20240297422A1

公开(公告)日：2024-09-05

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

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：US20240097249A1

公开(公告)日：2024-03-21

申请号：US18521057

申请日：2023-11-28

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wenlin ZHOU ,  Liangfan XU ,  Quankun LI ,  Peng WANG ,  Haizu JIN

IPC: H01M50/171 ,  H01M50/15 ,  H01M50/591

CPC classification number: H01M50/171 ,  H01M50/15 ,  H01M50/591 ,  H01M2220/20

Abstract: Battery cell and a device and a method for manufacturing the same, a battery, and a power consumption device are provided. The battery cell includes: a shell; an end cap patch; an end cap patch; an insulating film, including a main body portion and a flanging portion, wherein the flanging portion is provided between the end cap and the end cap patch; and a first glue layer, comprising a first portion and a second portion which are provided continuously. The first portion is provided around the second portion, and the first portion is provided between the flanging portion and the end cap patch. The first portion bonds the flanging portion and the end cap patch. The second portion is provided between the end cap and the end cap patch, and the second portion bonds the end cap and the end cap patch. The first portion is thinner than the second portion.

公开(公告)号：US20230420793A1

公开(公告)日：2023-12-28

申请号：US18464845

申请日：2023-09-11

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wenlin ZHOU ,  Ting ZHENG ,  Wenzhong LIU ,  Kaihuan YANG ,  Quankun LI ,  Peng WANG

IPC: H01M50/342 ,  H01M50/15

CPC classification number: H01M50/3425 ,  H01M50/15 ,  H01M2220/20

Abstract: A pressure relief apparatus includes a pressure relief portion provided with a first surface and a second surface arranged opposite to each other in a thickness direction of the pressure relief portion, and at least one stage of depressed groove and an indented groove. The at least one stage of depressed groove and the indented groove are formed in the pressure relief portion in sequence in a direction from the first surface to the second surface. A groove bottom wall of the stage of depressed groove farthest away from the first surface among the at least one stage of depressed groove is provided with an opening area. The indented groove is formed along an edge of the opening area. The opening area is configured to be openable with the stage of indented groove farthest away from the first surface as a boundary.

公开(公告)号：US20230395894A1

公开(公告)日：2023-12-07

申请号：US18111903

申请日：2023-02-21

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wenlin ZHOU ,  Xiangyan BU ,  Quankun LI

IPC: H01M10/6551 ,  H01M50/15 ,  H01M10/48 ,  H01M50/184 ,  H01M50/186 ,  H01M10/647

CPC classification number: H01M10/6551 ,  H01M50/15 ,  H01M10/486 ,  H01M50/184 ,  H01M50/186 ,  H01M10/647

Abstract: Embodiments of this application provide an end cap assembly, a battery cell, a battery, and an electrical device. The end cap assembly may be applicable to the battery cell. The end cap assembly may include: an end cap; and an end cap patch attached to the end cap. At least one through-hole may be made on the end cap patch. The through-hole may be configured to be filled with a heat transfer structure. The end cap may exchange heat with the outside through the heat transfer structure so as to regulate a temperature inside the battery cell.

公开(公告)号：US20240421446A1

公开(公告)日：2024-12-19

申请号：US18818069

申请日：2024-08-28

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Kaihuan YANG ,  Ningsheng WU ,  Wenlin ZHOU ,  Ting ZHENG ,  Wenzhong LIU ,  Quankun LI

IPC: H01M50/533 ,  H01M50/103 ,  H01M50/15 ,  H01M50/342 ,  H01M50/583

Abstract: The present application provides an adapting sheet, a battery cell, a battery, and an electric apparatus. The adapting sheet includes a pole connection portion, a tab connection portion, and a bending portion. In a first direction, two sides of the pole connection portion are respectively connected to the tab connection portion through the bending portion. In a second direction, a height difference is formed between the pole connection portion and the tab connection portion, and the first direction is non-parallel to the second direction. The adapting sheet in the present disclosure is applied in the battery cell, so that the tab may be disposed at both sides of the pole in a width direction of the cell.

公开(公告)号：US20240363956A1

公开(公告)日：2024-10-31

申请号：US18765077

申请日：2024-07-05

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Shengwang CHEN ,  Wenlin ZHOU ,  Zhijun GUO

IPC: H01M50/325 ,  H01M50/148

CPC classification number: H01M50/325 ,  H01M50/148 ,  H01M2220/20

Abstract: This disclosure provides an anti-explosion valve patch for battery, an end cover assembly, a battery, and an electric apparatus. The anti-explosion valve patch has an exhaust hole and includes: a patch body; and a closed convex ring disposed on the patch body, protruding from a surface of the patch body to a same side, where the exhaust hole is located on the closed convex ring or in a region enclosed by the closed convex ring. The anti-explosion valve patch of this disclosure is conducive to maintaining the protection capability of the anti-explosion valve. The end cover assembly of this disclosure includes such anti-explosion valve patch. The battery of this disclosure includes such end cover assembly. The electric apparatus of this disclosure includes such battery.

公开(公告)号：US20230307740A1

公开(公告)日：2023-09-28

申请号：US18195443

申请日：2023-05-10

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xiangyan BU ,  Wenlin ZHOU ,  Xing LI ,  Xinxiang CHEN ,  Peng WANG ,  Haizu JIN

IPC: H01M10/654 ,  H01M50/103 ,  H01M50/15 ,  H01M50/474 ,  H01M10/04

CPC classification number: H01M10/654 ,  H01M50/103 ,  H01M50/15 ,  H01M50/474 ,  H01M10/049

Abstract: Embodiments of the present application provide a battery cell. The battery cell may include: a casing having an accommodating space; an electrode assembly accommodated in the accommodating space, the electrode assembly comprising electrode plates; and a heat-conducting structure configured to be directly connected to the electrode plates and the casing to conduct heat from the electrode assembly to the casing.

公开(公告)号：US20230163405A1

公开(公告)日：2023-05-25

申请号：US18094035

申请日：2023-01-06

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wenlin ZHOU ,  Xing LI ,  Wenwei CHEN ,  Liangfan XU ,  Peng WANG ,  Haizu JIN

IPC: H01M50/30 ,  H01M50/593 ,  H01M50/578 ,  H01M50/148 ,  H01M10/04 ,  H01M10/613 ,  H01M10/6551

CPC classification number: H01M50/30 ,  H01M50/593 ,  H01M50/578 ,  H01M50/148 ,  H01M10/04 ,  H01M10/613 ,  H01M10/6551 ,  H01M2220/20

Abstract: Described is a battery cell, which includes a casing having a first opening; an electrode assembly received in the casing, the electrode assembly having a first tab, a second tab and a third tab, the first tab having an opposite polarity to the second tab, and the third tab having the same polarity as the first tab or the second tab; an end cap for closing the first opening; an insulating member disposed between the end cap and the electrode assembly, wherein the third tab is configured to be connected with the insulating member. It is possible to improve the heat dissipation efficiency of the battery cell by additionally providing a heat dissipation path of the electrode assembly—the third tab—the insulating member—the end cap, thereby improving the overcurrent capacity and the safety performance of the battery cell.

公开(公告)号：US20240304931A1

公开(公告)日：2024-09-12

申请号：US18670341

申请日：2024-05-21

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wenlin ZHOU ,  Liangfan XU ,  Quankun LI ,  Peng WANG

IPC: H01M50/271 ,  H01M50/249 ,  H01M50/55

CPC classification number: H01M50/271 ,  H01M50/249 ,  H01M50/55 ,  H01M2220/20

Abstract: An end cap includes a cap body and a groove. The cap body contains a first surface. The groove is created on the cap body to form a pressure relief region at a position of the groove on the cap body. The groove is recessed from the first surface along a thickness direction of the cap body. Lateral faces of the groove include a corner face located at a corner position of the groove. The corner face is connected to the first surface by a first chamfered face.