公开(公告)号：US20240250283A1

公开(公告)日：2024-07-25

申请号：US18430512

申请日：2024-02-01

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Hu Xu ,  Siying Huang ,  Fenggang Zhao ,  Haizu Jin

IPC: H01M10/04 ,  H01M50/107 ,  H01M50/152 ,  H01M50/538 ,  H01M50/545 ,  H01M50/559 ,  H01M50/566

CPC classification number: H01M10/0431 ,  H01M10/0409 ,  H01M10/0422 ,  H01M50/107 ,  H01M50/152 ,  H01M50/538 ,  H01M50/545 ,  H01M50/559 ,  H01M50/566 ,  H01M2220/20

Abstract: A battery cell includes: a casing; an end cap assembly including an end cap body and an electrode terminal located on the end cap body; and an electrode assembly arranged in the casing and including a first electrode sheet and a second electrode sheet with opposite polarities; the first electrode sheet includes a first main portion and a first electrode tab protruding from the first main portion, and the second electrode sheet includes a second main portion and a second electrode tab protruding from the second main portion; an end of the winding body includes a first conductive region and a second conductive region, the first electrode tab is led out from the first conductive region, the second electrode tab is led out from the second conductive region, and adjacent first conductive region and second conductive region are arranged to be spaced along a radial direction of the winding body.

公开(公告)号：US20240258618A1

公开(公告)日：2024-08-01

申请号：US18600452

申请日：2024-03-08

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Hu Xu

IPC: H01M50/176 ,  H01M50/209 ,  H01M50/249 ,  H01M50/291

CPC classification number: H01M50/176 ,  H01M50/209 ,  H01M50/249 ,  H01M50/291 ,  H01M2220/20

Abstract: Provided are a battery cell, a battery, a power consumption apparatus, a method and an apparatus for preparing a battery. A battery cell includes a housing, including a first wall and a second wall oppositely provided in a first direction; two electrode terminals, respectively located on the first wall and the second wall, where projections of the two electrode terminals on a plane perpendicular to the first direction are staggered from each other. Through the technical solution, when the electrode terminal is electrically connected with other electrical components, other electrical components may be provided side by side with the electrode terminal by using space perpendicular to the first direction, and other electrical components do not need to occupy additional space in the first direction, thereby saving space required to achieve an electrical connection of the battery cell, and increasing a space utilization rate of the battery cell in the battery.

公开(公告)号：US11929510B2

公开(公告)日：2024-03-12

申请号：US17717179

申请日：2022-04-11

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Hu Xu

IPC: H01M50/533 ,  H01M4/78 ,  H01M10/04 ,  H01M50/536

CPC classification number: H01M4/78 ,  H01M10/049 ,  H01M50/533 ,  H01M50/536 ,  H01M2220/20

Abstract: The present application relates to a secondary battery and manufacturing method thereof, a battery module and an apparatus. The secondary battery includes an electrode assembly including a main body portion and a tab extending out from the main body portion; a current collecting member including a guiding section, which extends in a direction perpendicular to a length direction of the electrode assembly; a transition connecting piece, being separately provided from the current collecting member and including a current collecting portion and a fixing portion, the current collecting portion being adapted to connect with the tab to form a first connection region, the fixing portion being adapted to connect with the guiding section to form a second connection region, and respective projections of the first connection region and the second connection region on a plane perpendicular to the length direction do not overlap.

公开(公告)号：US20230411756A1

公开(公告)日：2023-12-21

申请号：US18462418

申请日：2023-09-07

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Hu Xu

IPC: H01M50/209 ,  H01M50/267 ,  H01M50/103 ,  H01M50/291 ,  H01M50/548 ,  H01M50/242

CPC classification number: H01M50/209 ,  H01M50/267 ,  H01M50/103 ,  H01M50/291 ,  H01M50/548 ,  H01M50/242 ,  H01M2220/20 ,  B60L50/64

Abstract: Embodiments provide a battery, an electric device, and a method and device for manufacturing battery. The battery includes: a box; and at least one first battery cell and at least one second battery cell that are accommodated in the box, the first battery cell and the second battery cell being polyhedral structures of different shapes. The first battery cell and the second battery cell each include two interconnected walls, one of which is perpendicular to a first direction and the other one of which is inclined with respect to the first direction, where the first direction is perpendicular to an upper cover or a bottom wall of the box, and the inclined wall is configured to be attached to a wall of an adjacent battery cell so that interaction forces in the first direction are generated between the inclined wall and the adjacent wall.

公开(公告)号：US20250105455A1

公开(公告)日：2025-03-27

申请号：US18974830

申请日：2024-12-10

Applicant: JIANGSU CONTEMPORARY AMPEREX TECHNOLOGY LIMITED ,  CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Hu Xu ,  Haizu Jin ,  Shaojun Niu ,  Fenggang Zhao ,  Yuqun Zeng

IPC: H01M50/474 ,  B60L50/64 ,  H01M4/70 ,  H01M50/103 ,  H01M50/15

Abstract: This utility model relates to an electrode assembly, a battery cell, a battery, and an electric device. An electrode assembly includes an anode electrode plate and a cathode electrode plate. At least one side of the anode current collector is coated with an anode active substance layer. At least one side of the cathode current collector is coated with a cathode active substance layer and an additional layer. In a plane perpendicular to the stacking direction of the anode electrode plate and the cathode electrode plate, a projection of the anode active substance layer covers a projection of the cathode active substance layer and partially covers a projection of the additional layer. A battery includes the battery cells. An electric device includes the battery cells or the foregoing battery. The electrode assembly, battery cell, battery, and electric device can mitigate or reduce electrode plate cracking.

公开(公告)号：US12062750B1

公开(公告)日：2024-08-13

申请号：US18430512

申请日：2024-02-01

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Hu Xu ,  Siying Huang ,  Fenggang Zhao ,  Haizu Jin

IPC: H01M50/559 ,  H01M10/04 ,  H01M50/107 ,  H01M50/152 ,  H01M50/179 ,  H01M50/538 ,  H01M50/545 ,  H01M50/566

CPC classification number: H01M10/0431 ,  H01M10/0409 ,  H01M10/0422 ,  H01M50/107 ,  H01M50/152 ,  H01M50/538 ,  H01M50/545 ,  H01M50/559 ,  H01M50/566 ,  H01M2220/20

Abstract: A battery cell includes: a casing; an end cap assembly including an end cap body and an electrode terminal located on the end cap body; and an electrode assembly arranged in the casing and including a first electrode sheet and a second electrode sheet with opposite polarities; the first electrode sheet includes a first main portion and a first electrode tab protruding from the first main portion, and the second electrode sheet includes a second main portion and a second electrode tab protruding from the second main portion; an end of the winding body includes a first conductive region and a second conductive region, the first electrode tab is led out from the first conductive region, the second electrode tab is led out from the second conductive region, and adjacent first conductive region and second conductive region are arranged to be spaced along a radial direction of the winding body.

公开(公告)号：US11978844B2

公开(公告)日：2024-05-07

申请号：US17135741

申请日：2020-12-28

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Chengdu Liang ,  Hu Xu ,  Haizu Jin ,  Yuqun Zeng

IPC: H01M10/04 ,  H01M10/0585 ,  H01M10/0587 ,  H01M50/204 ,  H01M50/249

CPC classification number: H01M10/0431 ,  H01M10/0413 ,  H01M10/0585 ,  H01M10/0587 ,  H01M50/204 ,  H01M50/249

Abstract: An electrode assembly and a related battery, and battery module are provided, wherein the electrode assembly includes: at least one positive electrode plate and at least one negative electrode plate, the number of all the positive and negative electrode plates is greater than or equal to 3; the positive and negative electrode plates are wound around the winding axis and arranged in a superimposing manner along a direction vertical to the winding axis, each positive electrode plate includes a positive main body part, at least part of the positive main body part is a positive active substance area, each negative electrode plate includes a negative main body part, at least part of the negative main body part is the negative active substance area, two ends of the negative active substance area along the winding axis both exceed corresponding ends of the adjacent positive active substance area.

公开(公告)号：US20220416232A1

公开(公告)日：2022-12-29

申请号：US17822097

申请日：2022-08-24

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Hu Xu

IPC: H01M4/36 ,  H01M10/0525 ,  H01M10/0585 ,  H01M4/13 ,  H01M50/531

Abstract: An electrode assembly, a method and system for manufacturing same, a battery cell, and a battery are provided. The electrode assembly includes a positive electrode plate and a negative electrode plate that are stacked. A positive active material layer of the positive electrode plate is disposed opposite to a negative active material layer of the negative electrode plate.

公开(公告)号：US20220367968A1

公开(公告)日：2022-11-17

申请号：US17815570

申请日：2022-07-28

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Haizu Jin ,  Hu Xu ,  Yuqun Zeng ,  Chengdu Liang

IPC: H01M50/342 ,  H01M50/213 ,  H01M50/249 ,  H01M50/375

Abstract: A battery, an electrical device, and a method and device for manufacturing a battery are provides. In some embodiments, the battery includes: a plurality of battery cells arranged along a first direction. Each battery cell includes an end cap and a housing, an opening is made at an end of the housing along the first direction, the end cap is configured to close the opening, and the housing includes a first wall extending along the first direction. A pressure relief region is provided on the first wall. The pressure relief region is configured to release pressure along a second direction when an internal pressure or temperature of the battery cell reaches a threshold. The second direction intersects the first direction. In this way, various embodiments improve safety of the battery.

公开(公告)号：US20220238890A1

公开(公告)日：2022-07-28

申请号：US17717179

申请日：2022-04-11

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Hu Xu

IPC: H01M4/78 ,  H01M50/533 ,  H01M50/536 ,  H01M10/04

Abstract: The present application relates to a secondary battery and manufacturing method thereof, a battery module and an apparatus. The secondary battery includes an electrode assembly including a main body portion and a tab extending out from the main body portion; a current collecting member including a guiding section, which extends in a direction perpendicular to a length direction of the electrode assembly; a transition connecting piece, being separately provided from the current collecting member and including a current collecting portion and a fixing portion, the current collecting portion being adapted to connect with the tab to form a first connection region, the fixing portion being adapted to connect with the guiding section to form a second connection region, and respective projections of the first connection region and the second connection region on a plane perpendicular to the length direction do not overlap.