公开(公告)号：US20240372153A1

公开(公告)日：2024-11-07

申请号：US18774373

申请日：2024-07-16

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Zhisheng CHAI ,  Hu XU ,  Hui GU

IPC: H01M10/0587 ,  H01M50/249 ,  H01M50/536 ,  H01M50/538 ,  H01M50/593

Abstract: An electrode assembly includes a body portion, including positive and negative electrode plates and a separator plate wound into a winding structure along a winding direction; multiple positive electrode tabs separately connected to at least two positive electrode plate winding layers and spaced apart along the winding direction; and multiple negative electrode tabs separately connected to at least two negative electrode plate winding layers and spaced apart along the winding direction. The multiple positive electrode tabs and the multiple negative electrode tabs are located at a same end portion of the body portion in a direction perpendicular to the winding direction, and a length of the positive electrode tabs connected to the respective positive electrode plate winding layers in the winding direction and a length of the negative electrode tabs connected to the respective negative electrode plate winding layers in the winding direction both increase along the winding direction.

公开(公告)号：US20220123444A1

公开(公告)日：2022-04-21

申请号：US17565873

申请日：2021-12-30

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Huihui LIU ,  Hui GU ,  Jingyu CAO ,  Lin MA

IPC: H01M50/536 ,  H01M10/0525 ,  H01M4/62 ,  H01M4/36 ,  H01M50/543

Abstract: This application provides an electrode assembly and a battery cell. The battery cell includes an electrode assembly, a housing, and a first electrode terminal. The housing includes an accommodation cavity. The electrode assembly is accommodated in the accommodation cavity, and the first electrode terminal is disposed in the housing. The electrode assembly includes a first electrode plate, a second electrode plate, and a separator. The separator separates the first electrode plate from the second electrode plate. The first electrode plate includes a first current collector, a first active material layer, and an insulation layer. The first current collector includes a first body portion and a first tab extending from the first body portion.

公开(公告)号：US20240380080A1

公开(公告)日：2024-11-14

申请号：US18784546

申请日：2024-07-25

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Hui GU ,  Chao LIU ,  Wenjie YU ,  Qingkui CHI ,  Haizu JIN

IPC: H01M50/536 ,  H01M50/107

Abstract: Embodiments of the present application provide a battery cell, a battery, an electrical device, and a method and device for manufacturing a battery cell. The battery cell includes a shell, an electrode assembly and a current collecting member. The shell has a wall portion located at one end of the shell in a first direction. The electrode assembly is accommodated in the shell and provided with a tab. The current collecting member is accommodated in the shell, and is configured to be connected to the wall portion and the tab to implement an electrical connection between the wall portion and the tab. A protrusion is provided on a side of the current collecting member facing the wall portion, and the wall portion is provided with a recess configured to accommodate at least a part of the protrusion to position the current collecting member.

公开(公告)号：US20240356172A1

公开(公告)日：2024-10-24

申请号：US18761891

申请日：2024-07-02

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Hui GU ,  Dongsheng SUN ,  Haizu JIN

IPC: H01M50/533 ,  H01M50/152 ,  H01M50/342 ,  H01M50/559 ,  H01M50/566

CPC classification number: H01M50/533 ,  H01M50/152 ,  H01M50/3425 ,  H01M50/559 ,  H01M50/566 ,  H01M2200/20 ,  H01M2220/20

Abstract: A battery cell, a battery and a power consuming device are described. The battery cell includes a housing, an electrode assembly, an end cap, and a current collecting member. The housing has an opening. The electrode assembly is accommodated inside the housing. The end cap is connected to the housing and closes the opening. The current collecting member is located inside the housing, is arranged on a side of the electrode assembly facing the end cap, and is connected to the end cap and the electrode assembly. The end cap includes a connecting portion connected to the current collecting member, and in a thickness direction of the end cap, an accommodating groove is provided in a surface of the current collecting member facing the end cap, and the connecting portion is at least partially accommodated in the accommodating groove.

公开(公告)号：US20240266688A1

公开(公告)日：2024-08-08

申请号：US18639956

申请日：2024-04-18

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Hui GU ,  Haizu JIN ,  Baiqing LI ,  Fenggang ZHAO

IPC: H01M50/533 ,  H01M50/107 ,  H01M50/152 ,  H01M50/169

CPC classification number: H01M50/533 ,  H01M50/107 ,  H01M50/152 ,  H01M50/169

Abstract: A battery cell includes: a housing, wherein an opening is provided at an end portion of the housing; an electrode assembly arranged inside the housing, the electrode assembly including an electrode body and a first tab, the first tab being leaded from one end of the electrode body; an end cap closing the opening, the outer periphery of the end cap being fixed to the housing by welding; and a conductive piece located between the electrode assembly and the end cap, the conductive piece being electrically connected to the first tab, the conductive piece being electrically connected to at least one of the end cap and the housing, and an outer edge of the conductive piece extending at a position close to a welding region.

公开(公告)号：US20240250390A1

公开(公告)日：2024-07-25

申请号：US18436959

申请日：2024-02-08

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Zhisheng CHAI ,  Haizu JIN ,  Hui GU ,  Zhijun GUO

IPC: H01M50/536 ,  H01M10/04 ,  H01M50/107 ,  H01M50/152 ,  H01M50/538

CPC classification number: H01M50/536 ,  H01M10/0431 ,  H01M50/107 ,  H01M50/152 ,  H01M50/538

Abstract: A battery cell includes a housing, an electrode assembly, an end cap, and a current collecting member. The housing is provided with an opening. The electrode assembly is accommodated inside the housing, and the electrode assembly is provided with a first tab at an end facing the opening. The end cap is configured to cover the opening. The current collecting member is electrically connected to the housing and welded to the first tab.

公开(公告)号：US20240222826A1

公开(公告)日：2024-07-04

申请号：US18608743

申请日：2024-03-18

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Hui GU ,  Linlin Zhu ,  Guanghao Zhu ,  Chao Liu ,  Wenjie Yu ,  Qingkui Chi ,  Haizu Jin

IPC: H01M50/636 ,  H01M10/04 ,  H01M50/103 ,  H01M50/538 ,  H01M50/578

CPC classification number: H01M50/636 ,  H01M10/0422 ,  H01M50/103 ,  H01M50/538 ,  H01M50/578 ,  H01M2220/20

Abstract: The present application relates to a battery cell and a manufacturing method and device thereof, a battery, and a power consumption apparatus, belonging to the field of battery manufacturing technologies. The battery cell includes: a shell with a first wall; an electrode assembly; and a first current collecting member, where the first wall has a first surface facing the first current collecting member, the first current collecting member has a second surface facing the first wall, one of the first surface and the second surface is provided with a protrusion and the other abuts against the protrusion to form a gap between the first wall and the first current collecting member; and the first current collecting member is provided with a first hole and a second hole, and the first hole is configured to be in communication with the second hole through the gap.

公开(公告)号：US20230344097A1

公开(公告)日：2023-10-26

申请号：US18218582

申请日：2023-07-06

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Zhisheng CHAI ,  Haizu JIN ,  Zhijun GUO ,  Hui GU

IPC: H01M50/559 ,  H01M50/107 ,  H01M50/566 ,  H01M50/152 ,  H01M50/169

CPC classification number: H01M50/559 ,  H01M50/107 ,  H01M50/566 ,  H01M50/152 ,  H01M50/169

Abstract: Embodiments of this application provide a battery cell, a battery, and an electric apparatus. The battery cell may include an electrode assembly, a housing, an electrode terminal, and a current collector. The electrode assembly may include a first tab. The housing may be configured to accommodate the electrode assembly. The electrode terminal may be disposed in the housing, and the electrode terminal may include a first concave portion and a connecting portion at the bottom of the first concave portion. The current collector may be connected to the first tab and welded to the connecting portion.

公开(公告)号：US20230291040A1

公开(公告)日：2023-09-14

申请号：US18320401

申请日：2023-05-19

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Zhisheng CHAI ,  Kun FANG ,  Qingkui CHI ,  Dongsheng SUN ,  Hui GU ,  Zhijun GUO

IPC: H01M50/169 ,  H01M50/533 ,  H01M50/552 ,  H01M50/204 ,  H01M10/0585

CPC classification number: H01M50/169 ,  H01M50/533 ,  H01M50/552 ,  H01M50/204 ,  H01M10/0585 ,  H01M2220/20

Abstract: A battery cell includes a housing, an electrode assembly, an end cover, and a current collecting member. The housing has an opening, the electrode assembly has a tab, the electrode assembly is configured to be accommodated in the housing, the end cover is configured to cover the opening, and the current collecting member is configured to connect the end cover to the tab to implement electrical connection between the end cover and the tab. The current collecting member is welded to the tab to form a first welded portion and a second welded portion, the current collecting member is welded to the end cover to form a third welded portion, the first welded portion is on an inner peripheral side of the third welded portion, and the second welded portion is on an outer peripheral side of the third welded portion.

公开(公告)号：US20240332538A1

公开(公告)日：2024-10-03

申请号：US18732683

申请日：2024-06-04

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Zhisheng CHAI ,  Qingkui CHI ,  Haizu JIN ,  Hui GU

IPC: H01M4/66 ,  H01M4/02

CPC classification number: H01M4/666 ,  H01M2004/021 ,  H01M2004/027 ,  H01M2004/028

Abstract: Embodiments of the present application provide a battery cell, a battery, and a power consuming device. The battery cell includes: an anode plate, including an anode current collector and an anode active material layer, wherein the anode current collector includes an anode main body portion and an anode tab led out from the anode main body portion, and the anode active material layer is provided on at least part of a surface of the anode main body portion; and a cathode plate configured to be stacked with the anode plate in a first direction, the cathode plate including a cathode current collector; wherein at least one of the anode current collector and the cathode current collector is provided with a reinforcement layer on a lead-out side of the anode tab.