公开(公告)号：US20180159107A1

公开(公告)日：2018-06-07

申请号：US15816981

申请日：2017-11-17

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xiang LI ,  Jiajun WANG ,  Rulai CAI ,  Peng WANG ,  Wei YANG

IPC: H01M2/20 ,  H01M2/30 ,  H01M2/06

CPC classification number: H01M2/202 ,  H01M2/04 ,  H01M2/06 ,  H01M2/22 ,  H01M2/30 ,  H01M2/348 ,  H01M2200/103

Abstract: The present disclosure provides a secondary battery which comprises: a cap plate provided with a first electrode terminal and a second electrode terminal; an electrode assembly comprising a main body, a first electrode tab and a second electrode tab; a first connecting piece connected between the first electrode tab and the first electrode terminal. The second electrode tab is electrically connected with the second electrode terminal. The first connecting piece includes a first electrode terminal connecting portion, a first electrode tab connecting portion and a first fusing portion. The secondary battery further comprises an insulating piece adhered on a surface of the first connecting piece which is connected with the first electrode tab, and the insulating piece at least covers an edge of the first electrode terminal connecting portion close to the first electrode tab, so as to isolate the first electrode tab from the first electrode terminal connecting portion.

公开(公告)号：US20170373301A1

公开(公告)日：2017-12-28

申请号：US15394629

申请日：2016-12-29

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Quankun LI ,  Peng WANG ,  Pinghua DENG ,  Lingbo ZHU ,  Jian GUO

IPC: H01M2/34 ,  H01M2/06 ,  H01M2/30 ,  H01M2/26 ,  H01M2/04

CPC classification number: H01M2/345 ,  H01M2/043 ,  H01M2/0473 ,  H01M2/06 ,  H01M2/1241 ,  H01M2/26 ,  H01M2/30 ,  H01M2/305 ,  H01M2200/20 ,  H01M2220/20

Abstract: This application provides a top cover of a power battery and a power battery, the top cover includes a top cover sheet, a first electrode unit and a second electrode unit, the first electrode unit includes a turning sheet, an insulating piece and a current cutting-off structure, the current cutting-off structure is fixed in radial projection range of an assembling hole and is electrically connected with the top cover sheet, the turning sheet is fixed at an underneath of the top cover sheet through the insulating piece, the turning sheet is electrically connected with the top cover sheet merely through the current cutting-off structure, and the turning sheet is capable of turning and breaking the current cutting-off structure when an internal pressure of the power battery exceeds a reference pressure, so as to cut off an electrical connection of the current cutting-off structure with the top cover sheet.

公开(公告)号：US20240380039A1

公开(公告)日：2024-11-14

申请号：US18783799

申请日：2024-07-25

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Denghua LIN ,  Xinxiang CHEN ,  Long CHEN ,  Yulian ZHENG ,  Peng WANG ,  Haizu JIN

IPC: H01M50/171 ,  H01M50/198 ,  H01M50/636

Abstract: The present application provides a battery top cover, a top cover assembly, a battery cell, a battery, and a power consuming device. The battery top cover includes: a cover body and at least one mounting hole formed on the cover body. The mounting hole is configured to receive a hot melt of an insulating member, the mounting hole has a bottom wall and a side wall connected to the bottom wall, an end of the side wall away from the bottom wall has an opening, and the bottom wall is provided with a first protrusion protruding toward the opening. The first protrusion is configured to contact with the hot melt in the insulating member, so that energy may be concentrated to the first protrusion during an ultrasonic hot melting process, enabling the hot melt to be melted quickly and filled into the mounting hole.

公开(公告)号：US20240322375A1

公开(公告)日：2024-09-26

申请号：US18678494

申请日：2024-05-30

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

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

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

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

Abstract: A battery cell includes a shell; an electrode assembly; and an end cap assembly, including an end cap, a first insulating member and a second insulating member, where the first insulating member is arranged between the electrode assembly and the end cap, so as to insulate and isolate the electrode assembly from the end cap, the second insulating member includes a main body portion and a first flanging portion, the first flanging portion is connected to one end of the main body portion, the main body portion is arranged between the shell and the electrode assembly, so as to insulate and isolate the shell from the electrode assembly, and the first flanging portion is connected to a side of the first insulating member facing the end cap or a side of the first insulating member away from the end cap.

公开(公告)号：US20240313338A1

公开(公告)日：2024-09-19

申请号：US18669179

申请日：2024-05-20

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

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

IPC: H01M50/342 ,  H01M10/04 ,  H01M50/133

CPC classification number: H01M50/3425 ,  H01M10/0404 ,  H01M50/133

Abstract: A battery cell includes a shell and an electrode assembly accommodated in the shell. The shell includes a wall portion, the wall portion includes a main body, a connecting portion and a reinforcing portion, the connecting portion surrounds an outer side of the reinforcing portion, and the main body surrounds an outer side of the connecting portion. The connecting portion is provided with a weakened region, and the battery cell is configured to rupture along the weakened region when an internal pressure of the battery cell reaches a threshold, so as to release the internal pressure. The maximum thickness of the reinforcing portion is greater than the maximum thickness of the main body so as to reduce deformation of the reinforcing portion under the internal pressure.

公开(公告)号：US20240274953A1

公开(公告)日：2024-08-15

申请号：US18645974

申请日：2024-04-25

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Peng WANG ,  Zhanyu SUN ,  Xingdi CHEN

IPC: H01M50/242 ,  H01M50/244 ,  H01M50/30 ,  H01M50/55

CPC classification number: H01M50/242 ,  H01M50/244 ,  H01M50/30 ,  H01M50/55 ,  H01M2200/20

Abstract: Embodiments of the present application provide a battery and a power consuming device. The battery includes a case and a battery cell. The case has a top and a bottom opposite to each other in a height direction of the case. The bottom is provided with an opening. The battery cell is arranged upside down in the case with an end cap facing the bottom, the end cap is provided with a pressure relief mechanism and electrode terminals, and the pressure relief mechanism and the electrode terminals are both arranged to face the bottom.

公开(公告)号：US20240243406A1

公开(公告)日：2024-07-18

申请号：US18622205

申请日：2024-03-29

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xingdi CHEN ,  Peng WANG ,  Chao LONG

IPC: H01M50/242 ,  B60L50/64 ,  H01M50/209 ,  H01M50/264 ,  H01M50/291 ,  H01M50/342 ,  H01M50/588 ,  H01M50/59

CPC classification number: H01M50/242 ,  B60L50/64 ,  H01M50/209 ,  H01M50/264 ,  H01M50/291 ,  H01M50/3425 ,  H01M50/588 ,  H01M50/59 ,  H01M2200/20 ,  H01M2220/20

Abstract: A battery includes a box having a top and a bottom opposite in a first direction; battery cells disposed upside down in the box and connected to the top, wherein the battery cell comprises electrode terminals, the electrode terminals being disposed back away from the top in the first direction; a busbar component for electrically connecting to the electrode terminals of at least two of the battery cells; and a protective assembly disposed between the bottom and the busbar component, wherein the protective assembly is used for supporting the battery cell and insulating the battery cell from the bottom.

公开(公告)号：US20240229995A1

公开(公告)日：2024-07-11

申请号：US18612777

申请日：2024-03-21

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Chenyi XU ,  Xiaoteng HUANG ,  Langchao HU ,  Haiqi YANG ,  Peng WANG ,  Zhimin ZENG ,  Yu TANG

IPC: F16L33/34 ,  F16L43/00 ,  F28F9/02 ,  H01M10/656

CPC classification number: F16L33/34 ,  F16L43/008 ,  F28F9/0256 ,  H01M10/656 ,  F28F2275/067

Abstract: A tube connector includes a body. A fluid channel is formed inside the body. A first connecting portion configured to be connected to the round tube and a second connecting portion configured to be connected to the flat tube are formed on the body. The first connecting portion is a hollow columnar structure. The second connecting portion includes an oblong interface. A weld face that fits a shape of the flat tube is formed on an inner sidewall of the interface.

公开(公告)号：US20240154251A1

公开(公告)日：2024-05-09

申请号：US18409908

申请日：2024-01-11

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Huasheng SU ,  Chengyou XING ,  Quankun LI ,  Peng WANG ,  Daowei YANG ,  Haizu JIN

IPC: H01M50/474 ,  H01M50/107 ,  H01M50/477 ,  H01M50/533 ,  H01M50/566

CPC classification number: H01M50/474 ,  H01M50/107 ,  H01M50/477 ,  H01M50/533 ,  H01M50/566

Abstract: A current collecting component for a battery cell having two output poles with opposite polarities for outputting electrical energy. The current collecting component includes two current collectors, an insulator, and a limiting structure. The two current collectors are arranged opposite each other along a width direction of the current collecting component and are configured to connect to the two output poles, respectively. The insulator is configured to connect the two current collectors and is located at least partially between the two current collectors in the width direction to insulate the two current collectors from each other. The limiting structure is configured to restrict the current collectors from leaving the insulator in the width direction.

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.