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：US20240266667A1

公开(公告)日：2024-08-08

申请号：US18607083

申请日：2024-03-15

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wei LUO ,  Longfei YANG ,  Wenwei CHEN ,  Limei YANG ,  Qineng ZHONG

IPC: H01M50/342 ,  H01M10/04

CPC classification number: H01M50/3425 ,  H01M10/0404 ,  H01M10/049 ,  H01M2200/20

Abstract: A battery cell includes a casing configured to accommodate an electrode assembly, and a pressure relief mechanism disposed on the casing. The pressure relief mechanism includes a pressure relief passage, and a first pressure relief element and a second pressure relief element that are disposed on the pressure relief passage and close the pressure relief passage separately. In a venting direction of the pressure relief passage, the second pressure relief element is disposed upstream of the first pressure relief element and communicated with an internal space of the casing. The second pressure relief element has a rigidity of greater than or equal to 25 N/mm.

公开(公告)号：US20240258586A1

公开(公告)日：2024-08-01

申请号：US18631360

申请日：2024-04-10

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO, LIMITED.

Inventor： Wenwei CHEN ,  Jiang LIU ,  Ying HUANG ,  Quankun LI

IPC: H01M10/42 ,  H01M10/052 ,  H01M10/058 ,  H01M50/15 ,  H01M50/249

CPC classification number: H01M10/4242 ,  H01M10/052 ,  H01M10/058 ,  H01M50/15 ,  H01M50/249 ,  H01M2220/20

Abstract: Embodiments of the present application provide a battery cell, a battery, and a power consumption apparatus, which could effectively improve performance of the battery without increasing the internal space of the battery. The battery cell includes: at least two electrode assemblies, a surface of each electrode assembly of the at least two electrode assemblies including a curved part, and curved parts of two adjacent electrode assemblies of the at least two electrode assemblies forming an accommodating space; and a lithium replenishing apparatus, at least part of the lithium replenishing apparatus being disposed in the accommodating space.

公开(公告)号：US20230378574A1

公开(公告)日：2023-11-23

申请号：US18225688

申请日：2023-07-25

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wenwei CHEN ,  Xinxiang CHEN ,  Yulian ZHENG ,  Xiangyan BU ,  Quankun LI ,  Peng WANG ,  Haizu JIN

IPC: H01M50/15 ,  H01M50/553 ,  H01M50/564 ,  H01M50/55 ,  H01M50/176 ,  H01M50/188 ,  H01M50/184 ,  H01M50/588 ,  H01M50/59 ,  H01M50/103

CPC classification number: H01M50/15 ,  H01M50/553 ,  H01M50/564 ,  H01M50/55 ,  H01M50/176 ,  H01M50/188 ,  H01M50/184 ,  H01M50/588 ,  H01M50/59 ,  H01M50/103 ,  H01M2220/20

Abstract: An end cover assembly may include an end cover and an electrode terminal. The end cover may have an abutting surface. A terminal assembly may include the electrode terminal and a connector, where the connector may be configured to connect the electrode terminal and the end cover so as to fix the electrode terminal to the end cover, and the connector abuts against the abutting surface. The abutting surface may be provided with a concave portion recessed in a thickness direction of the end cover, and the concave portion may be configured to accommodate a part of the electrode terminal.

公开(公告)号：US20240274894A1

公开(公告)日：2024-08-15

申请号：US18643600

申请日：2024-04-23

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wenwei CHEN ,  Jiang LIU ,  Ying HUANG ,  Quankun LI

IPC: H01M10/42 ,  H01M10/058 ,  H01M50/103 ,  H01M50/55

CPC classification number: H01M10/4242 ,  H01M10/058 ,  H01M50/103 ,  H01M50/55

Abstract: Embodiments of the present application provide a battery cell, a battery and an electrical apparatus, which can effectively improve the performance of batteries with low process complexity. The battery cell includes: at least two electrode assemblies; a lithium-supplementing apparatus arranged between two adjacent electrode assemblies in the at least two electrode assemblies; a shell configured to accommodate the at least two electrode assemblies, the shell including a first wall, and the first wall being provided with a lithium-supplementing electrode terminal; and a connecting element configured to electrically connect the lithium-supplementing apparatus with the lithium-supplementing electrode terminal.

公开(公告)号：US20240258585A1

公开(公告)日：2024-08-01

申请号：US18635210

申请日：2024-04-15

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wenwei CHEN ,  Jiang LIU ,  Ying HUANG ,  Quankun LI

IPC: H01M10/42 ,  H01M50/249 ,  H01M50/591

CPC classification number: H01M10/4235 ,  H01M50/249 ,  H01M50/591

Abstract: Embodiments of the present application provide a battery cell, a battery, and a power consumption apparatus, which could effectively improve performance of the battery without increasing the internal space of the battery. The battery cell includes: an electrode assembly including a first end face and a second end face opposite to each other, the first end face being provided with tabs; and a lithium replenishing apparatus connected with the second end face.

公开(公告)号：US20230076751A1

公开(公告)日：2023-03-09

申请号：US17985851

申请日：2022-11-12

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xiaofu XU ,  Yonghuang YE ,  Haizu JIN ,  Chengdu LIANG ,  Wenwei CHEN ,  Quanguo LI

IPC: H01M10/617 ,  H01M10/647 ,  H01M10/6556 ,  H01M10/04

Abstract: Embodiments of this application provide a battery, an apparatus using a battery, and a manufacturing method and a manufacturing device of battery. The battery includes a battery cell and a thermal management component. The battery cell has a side wall and a bottom wall that are connected to each other. The thermal management component is configured to accommodate fluid to regulate temperature of the battery cell, where an accommodating portion is provided on the thermal management component, and configured to accommodate the battery cell, and the accommodating portion is attached to the bottom wall and side wall of the battery cell, to enable heat transfer between the battery cell and the thermal management component. The battery cell in the battery provided in the embodiments of this application can dissipate heat efficiently.

公开(公告)号：US20230021075A1

公开(公告)日：2023-01-19

申请号：US17948688

申请日：2022-09-20

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wenwei CHEN

IPC: H01M50/166 ,  H01M50/102 ,  H01M50/204 ,  H01M10/0585

Abstract: A battery cell includes an electrode assembly, a housing, a cover plate, and a support member. The housing includes a first electrode plate and a second electrode plate. At least a part of the first electrode plate is stacked with the second electrode plate. The housing is provided with an opening and an accommodation cavity configured to accommodate the electrode assembly. The housing includes a side plate. The cover plate is perpendicular to the side plate and configured to close the opening. At least a part of the support member is disposed between the side plate and the electrode assembly, and the support member is configured to support the electrode assembly so that a spacing between an end, facing the side plate, of the first electrode plate and the side plate in a first direction is greater than a preset value. The first direction being a direction perpendicular to the side plate.

公开(公告)号：US20240363976A1

公开(公告)日：2024-10-31

申请号：US18764651

申请日：2024-07-05

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wenwei CHEN ,  Haibo KE ,  Xiaoping ZHANG ,  Quankun LI ,  Kaihuan YANG

IPC: H01M50/533 ,  H01M50/103 ,  H01M50/55 ,  H01M50/583

CPC classification number: H01M50/533 ,  H01M50/103 ,  H01M50/55 ,  H01M50/583 ,  H01M2200/103 ,  H01M2220/20

Abstract: Provided are a connecting assembly, a battery cell, a battery, and a power consumption device. The connecting assembly is used for a battery cell. The connecting assembly includes: a connector, including a first connecting portion for connecting a tab of an electrode assembly, a second connecting portion for connecting an electrode terminal, and a third connecting portion for connecting the first connecting portion and the second connecting portion, where a fusing portion is formed between the first connecting portion and the third connecting portion, and the third connecting portion has a first surface facing the electrode assembly; a first insulator wrapping the fusing portion; and a second insulator covering at least a portion of the first surface, where the second insulator and the first insulator are integrally formed.

公开(公告)号：US20240014476A1

公开(公告)日：2024-01-11

申请号：US18472000

申请日：2023-09-21

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Jia LIN ,  Wenwei CHEN ,  Huan SHl ,  Jiang LIN

IPC: H01M50/14 ,  H01M50/133 ,  H01M50/103 ,  H01M50/529 ,  H01M10/04

CPC classification number: H01M50/14 ,  H01M50/133 ,  H01M50/103 ,  H01M50/529 ,  H01M10/049 ,  H01M10/0404 ,  H01M2220/20

Abstract: A battery cell includes an electrode assembly including a main body portion and a tab. The tab is connected with a side portion of the main body portion in a first direction. The battery cell further includes a protective frame, which is of an integrated structure and includes three segments of protective plates respectively used for protecting three side faces of the main body portion. The three segments of protective plates comprise a first plate, a second plate, and a third plate. The third plate is located between the first plate and the second plate, two ends of the third plate are respectively connected with a first end of the first plate and a first end of the second plate, and at least one of the first plate, the second plate, and the third plate is provided with an opening. The tab is led out from the opening.