公开(公告)号：US20240313309A1

公开(公告)日：2024-09-19

申请号：US18673876

申请日：2024-05-24

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yikuang JIN ,  Hu XU ,  Weirong ZHUO ,  Mianyu XIE ,  Zhihao XU

IPC: H01M50/152 ,  H01M50/186 ,  H01M50/244 ,  H01M50/249 ,  H01M50/593

CPC classification number: H01M50/152 ,  H01M50/186 ,  H01M50/244 ,  H01M50/249 ,  H01M50/593

Abstract: A battery top cover assembly includes a cover; a connecting member; and an insulating member connected between the cover and the connecting member. The insulating member has a first outer surface exposed outside the cover and the connecting member; and a first seam is present between the first outer surface and the cover, and a second seam is present between the first outer surface and the connecting member. A first sealing portion is disposed at the first seam and configured to cover the first seam, and/or a second sealing portion is disposed at the second seam and configured to cover the second seam.

公开(公告)号：US20240283059A1

公开(公告)日：2024-08-22

申请号：US18650145

申请日：2024-04-30

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Hu XU ,  Xing LI ,  Haizu JIN ,  Shaojun NIU ,  Fenggang ZHAO

IPC: H01M50/103 ,  H01M50/538 ,  H01M50/54 ,  H01M50/548 ,  H01M50/586 ,  H01M50/593

CPC classification number: H01M50/103 ,  H01M50/538 ,  H01M50/54 ,  H01M50/548 ,  H01M50/586 ,  H01M50/593

Abstract: A battery cell includes: a housing; an electrode unit accommodated in the housing and including a first electrode assembly and a second electrode assembly which are disposed along a first direction, wherein the first electrode assembly and the second electrode assembly are arranged in parallel, the first electrode assembly includes a first body and a first tab, and the second electrode assembly includes a second body and a second tab, and wherein a polarity of the first tab is the same as a polarity of the second tab, and at least a part of the first tab and at least a part of the second tab are located between the first body and the second body; and a first electrode terminal disposed on the housing and electrically connected to the first tab and the second tab to export electric energies of the first electrode assembly and the second electrode assembly.

公开(公告)号：US20240274962A1

公开(公告)日：2024-08-15

申请号：US18637389

申请日：2024-04-16

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Hu XU ,  Shaojun NIU ,  Haizu JIN ,  Xing LI ,  Fenggang ZHAO

IPC: H01M50/291 ,  H01M10/04 ,  H01M10/6554 ,  H01M50/213

CPC classification number: H01M50/291 ,  H01M10/0431 ,  H01M10/6554 ,  H01M50/213

Abstract: A battery cell includes a shell and three electrode assemblies wound into cylinders. The three electrode assemblies are arranged in a row in the shell in such a manner that axes of the three electrode assemblies are parallel to one another, the shell has a thickness middle surface connected to the axes of the three electrode assemblies, the thickness middle surface is in a V shape, the shell has a first side surface and a second side surface both in an arcuate wavy shape, the first side surface and the second side surface are opposite each other relative to the thickness middle surface of the shell, and the three electrode assemblies are arranged between the first side surface and the second side surface.

公开(公告)号：US20240250346A1

公开(公告)日：2024-07-25

申请号：US18430446

申请日：2024-02-01

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Hu XU ,  Haizu JIN ,  Shaojun NIU ,  Xing LI ,  Xiaomei LIU

IPC: H01M50/103 ,  H01M50/553

CPC classification number: H01M50/103 ,  H01M50/553 ,  H01M2220/20

Abstract: The embodiments of the present application provide a battery cell, a method and system for manufacturing a battery cell, a battery and an electrical device. The battery cell of the embodiment includes an electrode assembly, a casing, and a first electrode terminal. The casing is for accommodating the electrode assembly, an outer surface of the casing includes an outer side surface parallel to a first direction and a first surface connected with the outer side surface, the outer side surface is arranged surrounding the electrode assembly, the first surface intersects the first direction. The first electrode terminal is convexly arranged on the first surface and for electrically connecting with the electrode assembly, the first electrode terminal does not protrude, in the first direction, from an outermost end of the first surface along the first direction.

公开(公告)号：US20240222766A1

公开(公告)日：2024-07-04

申请号：US18609001

申请日：2024-03-19

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Hu XU

IPC: H01M50/209 ,  B60L50/60 ,  H01M10/04 ,  H01M10/613 ,  H01M10/6555 ,  H01M10/6567 ,  H01M50/289

CPC classification number: H01M50/209 ,  H01M10/0431 ,  H01M10/613 ,  H01M10/6555 ,  H01M10/6567 ,  H01M50/289 ,  B60L50/60

Abstract: A battery may include a box; and at least two groups of battery cells accommodated in the box, where each group of battery cells may include a plurality of battery cells arranged along a first direction, the first direction being parallel to an upper cover or a bottom wall of the box, and the at least two groups of battery cells may be stacked along a second direction, the second direction being perpendicular to the first direction. The battery cell may be a polyhedral structure and include a first wall and a second wall that may be connected to each other, where the first wall may be parallel to the first direction, the second wall may be oblique to the first wall, and a cross section of the battery cell on a plane perpendicular to the first wall and the second wall may be a parallelogram.

公开(公告)号：US20240222765A1

公开(公告)日：2024-07-04

申请号：US18607046

申请日：2024-03-15

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Hu XU

IPC: H01M50/209 ,  B60L50/60 ,  H01M50/103 ,  H01M50/267 ,  H01M50/547 ,  H01M50/55

CPC classification number: H01M50/209 ,  H01M50/103 ,  H01M50/267 ,  H01M50/547 ,  H01M50/55 ,  B60L50/60 ,  H01M2220/20

Abstract: A battery includes a box and first and second battery cell groups accommodated in the box. The first and second battery cell groups comprise first and battery cells, respectively, that are polyhedral structures. A wall with a largest area of the first battery cell serves as a first wall thereof, and a wall with a largest area of the second battery cell serves as a second wall thereof. The first battery cells are arranged in a first direction, and adjacent first battery cells are mutually attached through the first walls of the adjacent first battery cells. The second battery cells are arranged in a second direction, and adjacent second battery cells are mutually attached through second walls of the adjacent second battery cells. The first direction is perpendicular to the second direction.

公开(公告)号：US20220311056A1

公开(公告)日：2022-09-29

申请号：US17563309

申请日：2021-12-28

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Hu XU ,  Miaomiao REN ,  Xing LI ,  Haizu JIN

IPC: H01M10/0587 ,  H01M4/02

Abstract: An embodiment of the present application provides an electrode assembly, a battery cell, a battery, and a manufacturing method and device for the electrode assembly, which belong to the technical field of batteries. The electrode assembly includes a negative electrode plate and a positive electrode plate. The negative electrode plate includes a negative active material layer located in the straight area, and the positive electrode plate includes a positive active material layer located in the straight area. A first direction is perpendicular to an axial direction of a winding structure. The negative active material layer includes a negative electrode main body portion and negative electrode edge portions located on both sides of the negative electrode main body portion. The electrode assembly of this structure can effectively reduce the risk of lithium plating and improve the safety of the battery.

公开(公告)号：US20220246993A1

公开(公告)日：2022-08-04

申请号：US17717736

申请日：2022-04-11

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Haizu JIN ,  Hu XU ,  Xinxin DU ,  Xing LI ,  Chengdu LIANG ,  Yuqun ZENG

IPC: H01M10/0587

Abstract: Embodiments of the present application provide an electrode assembly, a battery cell, a battery, and a method and a device for manufacturing an electrode assembly. The electrode assembly includes a first electrode plate and a second electrode plate. The first electrode plate and the second electrode plate are wound along a winding direction to form a winding structure, and the winding structure includes a bending region. The first electrode plate includes a first segment that exceeds a winding starting end of the second electrode plate, and at least a part of the first segment is configured to provide a support force to a part of the first electrode plate and the second electrode plate in the bending region and located at an outer side the first segment, making a structure of the first electrode plate and the second electrode plate more compact in the bending region.

公开(公告)号：US20240322261A1

公开(公告)日：2024-09-26

申请号：US18734512

申请日：2024-06-05

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Hu XU ,  Haizu JIN

IPC: H01M10/42 ,  H01M10/04

CPC classification number: H01M10/4235 ,  H01M10/0431

Abstract: An electrode assembly includes first and second electrode plates, and a separator provided between the first and second electrode plate. The first electrode plate, the separator, and the second electrode plate are wound in a winding direction. At least one first surface of the first and second electrode plates at a side closer to the separator includes first, second, and third surface regions divided along the winding direction. The second surface region has a plurality of second protrusion structures distributed discretely. The first surface region has no protrusion structure or a plurality of first protrusion structures distributed discretely. The third surface region has no protrusion structure or a plurality of third protrusion structures distributed discretely. A protrusion height of the plurality of first protrusion structures and/or a protrusion height of the plurality of third protrusion structures is less than a protrusion height of the plurality of second protrusion structures.

公开(公告)号：US20240204317A1

公开(公告)日：2024-06-20

申请号：US18588509

申请日：2024-02-27

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Hu XU ,  Shaojun NIU ,  Haizu JIN ,  Xing LI

IPC: H01M50/209 ,  H01M10/647 ,  H01M10/6557 ,  H01M50/103 ,  H01M50/176 ,  H01M50/249 ,  H01M50/291 ,  H01M50/342

CPC classification number: H01M50/209 ,  H01M10/647 ,  H01M10/6557 ,  H01M50/103 ,  H01M50/176 ,  H01M50/249 ,  H01M50/291 ,  H01M50/3425 ,  H01M2220/20

Abstract: Embodiments of this application provide a battery, an electric apparatus, a method for manufacturing battery, and an apparatus for manufacturing battery, so as to enhance stiffness and strength of the battery. The battery includes: a box; and a plurality of columns of battery cells accommodated in the box, where the battery cell includes a first wall and a second wall connected to each other, the first wall being a wall with a largest area of the battery cell and perpendicular to a first direction (z), the second wall being oblique to the first direction (z), and the first direction (z) being parallel to the direction of gravity. Each column of battery cells in the plurality of columns of battery cells are stacked along the first direction (z), and in each column of battery cells, adjacent ones of the battery cells are attached to each other via the first wall.