公开(公告)号：US20240313375A1

公开(公告)日：2024-09-19

申请号：US18676852

申请日：2024-05-29

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Siwei GAO ,  Fang LI ,  Shengwang CHEN ,  Fan CHEN ,  Lianfu CHEN ,  Xin YANG ,  Zhiyong GUO ,  Donghua FAN

IPC: H01M50/588 ,  H01M50/184 ,  H01M50/186 ,  H01M50/249

CPC classification number: H01M50/588 ,  H01M50/184 ,  H01M50/186 ,  H01M50/249

Abstract: A battery cell includes a housing, an electrode assembly, and an electrode lead-out portion. The housing is provided with a sealed area at an edge. The electrode assembly is accommodated in the housing, and the electrode assembly includes a main body portion and a tab connected to the main body portion. At least a portion of the electrode lead-out portion is electrically connected to the tab to form a connection portion, and at least a portion of the connection portion is located in the sealed area.

公开(公告)号：US20240283115A1

公开(公告)日：2024-08-22

申请号：US18646755

申请日：2024-04-26

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Shengwang CHEN ,  Wenlin ZHOU ,  Zhijun GUO

IPC: H01M50/583

CPC classification number: H01M50/583

Abstract: A safety mechanism includes a connecting piece and an expanding layer. The connecting piece includes a first connecting portion, a fusing portion, and a second connecting portion that are connected in sequence. The expanding layer is disposed on a side of the first connecting portion or the second connecting portion in a first direction and located at a position of the first connecting portion or the second connecting portion close to the fusing portion. The first direction is a thickness direction of the connecting piece.

公开(公告)号：US20240120608A1

公开(公告)日：2024-04-11

申请号：US18225685

申请日：2023-07-25

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wenlin ZHOU ,  Shengwang CHEN ,  Quankun LI ,  Peng WANG

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

CPC classification number: H01M50/3425 ,  H01M50/103 ,  H01M50/15

Abstract: Embodiments of the present application provide an end cap, a battery cell, a battery and a power consuming device, which relate to the technical field of batteries. The end cap may include a cap body and a groove. The cap body may have a first surface. The groove may be provided in the cap body to form a pressure relief zone in a region of the cap body where the groove is provided. The groove may be recessed from the first surface in a thickness direction of the cap body, and groove side faces of the groove may include corner faces at corners of the groove. Each corner face may be connected to the first surface via a first chamfer face.

公开(公告)号：US20240055705A1

公开(公告)日：2024-02-15

申请号：US18494188

申请日：2023-10-25

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wenlin ZHOU ,  Shengwang CHEN ,  Ningsheng WU ,  Lulu BAI ,  Quankun LI ,  Peng WANG

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

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

Abstract: A battery cell, a battery, a power consuming apparatus, and a method and apparatus for manufacturing the battery cell are described. The battery cell includes a housing, an electrode assembly, and an end cap. The electrode assembly is accommodated in the housing. The end cap includes a first body portion and a first protrusion. The first body portion surrounds an edge of the first protrusion and is configured to be connected to the housing, the first protrusion protrudes relative to the first body portion in a direction away from the electrode assembly in a thickness direction of the end cap, and a first accommodating space is formed inside the first protrusion and is configured to accommodate at least a part of a tab of the electrode assembly. The first body portion is provided with a reinforcement portion being configured to enhance the stiffness of the first body portion.

公开(公告)号：US20230395906A1

公开(公告)日：2023-12-07

申请号：US18450659

申请日：2023-08-16

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wenlin ZHOU ,  Shengwang CHEN ,  Quankun LI ,  Peng WANG

IPC: H01M50/15 ,  H01M50/342

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

Abstract: An end cap includes a cap body and a reinforcing portion. The cap body is provided with a pressure relief region arranged on a side of the cap body in a protruding manner in a thickness direction. The reinforcing portion is arranged around the pressure relief region.

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：US20240274991A1

公开(公告)日：2024-08-15

申请号：US18626110

申请日：2024-04-03

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Shengwang CHEN ,  Xigen ZHOU ,  Zhijun GUO

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

CPC classification number: H01M50/533 ,  H01M50/103 ,  H01M50/15 ,  H01M50/583 ,  H01M2200/103

Abstract: A current collector component includes a current collector and an insulator. The current collector is used to connect the tab and electrode terminal to achieve electrical connection between the tab and electrode terminal. The current collector includes a first connecting part, a second connecting part, and a third connecting part. The first connecting part is used for connecting the tab, and the first connecting part has a fusing part. The second connecting part is configured for connecting the electrode terminal. The third connecting part connects the first connecting part and the second connecting part, and is bent relative to the first connecting part and the second connecting part. The insulator covers the fusing part and the third connecting part to insulate and isolate any one of the fusing part and the third connecting part from the tab.

公开(公告)号：US20230369734A1

公开(公告)日：2023-11-16

申请号：US18360780

申请日：2023-07-27

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Shengwang CHEN ,  Zhijun GUO ,  Peng WANG

IPC: H01M50/636 ,  H01M50/107 ,  H01M50/533 ,  H01M50/559 ,  H01M50/566 ,  H01M10/04 ,  H01M50/152 ,  H01M50/179

CPC classification number: H01M50/636 ,  H01M50/107 ,  H01M50/533 ,  H01M50/559 ,  H01M50/566 ,  H01M10/0431 ,  H01M50/152 ,  H01M50/179 ,  H01M2220/20

Abstract: A battery cell includes an electrode assembly, a housing, and an electrode terminal. The electrode assembly includes a tab. The housing is configured to accommodate the electrode assembly. The electrode terminal is disposed in the housing and electrically connected to the tab. The electrode terminal is provided with a through hole, where the through hole is configured for injecting an electrolyte into an inner space of the housing.