公开(公告)号：US20240266659A1

公开(公告)日：2024-08-08

申请号：US18639776

申请日：2024-04-18

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Boxiang LIAO ,  Qiuhong CAI ,  Feiting SONG ,  Yuepan HOU ,  Xiaoteng HUANG ,  Zhiming CHEN

IPC: H01M50/242 ,  H01M10/617 ,  H01M10/6555 ,  H01M10/6567 ,  H01M10/658 ,  H01M50/209 ,  H01M50/291

CPC classification number: H01M50/242 ,  H01M10/617 ,  H01M10/6555 ,  H01M10/6567 ,  H01M10/658 ,  H01M50/209 ,  H01M50/291

Abstract: A battery includes a battery cell and a thermal management component. The thermal management component is configured to exchange heat with the battery cell. The thermal management component is provided with an avoidance structure, and the avoidance structure is configured to provide a space for expansion of the battery cell.

公开(公告)号：US20240266633A1

公开(公告)日：2024-08-08

申请号：US18637019

申请日：2024-04-16

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Chao ZENG ,  Zhiqiang Li ,  Qingrong CHEN ,  Shengwei WANG

IPC: H01M10/654 ,  H01M10/04 ,  H01M10/617 ,  H01M50/102

CPC classification number: H01M10/654 ,  H01M10/617 ,  H01M50/102 ,  H01M10/0431

Abstract: This application relates to a bottom support for battery cell, a battery cell, a battery, and an electric device. The bottom support is configured for supporting a jelly roll, and the bottom support includes a bottom plate, where the bottom plate includes a central region and a peripheral region surrounding the central region. The bottom plate is constructed to form at least one recessed group, and a recessed area increases gradually among the recessed group(s) in a direction from the peripheral region to the central region of the bottom plate. The bottom support for battery cell, the battery cell, the battery, and the electric device provided in this application reduce the probability of thermal runaway in the battery cell.

公开(公告)号：US20240266616A1

公开(公告)日：2024-08-08

申请号：US18608259

申请日：2024-03-18

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Qingrui XUE ,  Wei LI ,  Zige ZHANG ,  Yu ZHANG ,  Zhengyuan ZHAO

IPC: H01M10/42 ,  H01M4/04 ,  H01M4/70 ,  H01M10/04 ,  H01M50/533 ,  H01M50/536

CPC classification number: H01M10/4235 ,  H01M4/0404 ,  H01M4/0435 ,  H01M4/70 ,  H01M10/0431 ,  H01M50/533 ,  H01M50/536

Abstract: An electrode plate includes a current collector including a main body portion and a tab protruding from the main body portion, and an active layer applied onto at least one side of the main body portion. A thickness of the tab is greater than a thickness of the main body portion.

公开(公告)号：US20240263877A1

公开(公告)日：2024-08-08

申请号：US18638696

申请日：2024-04-18

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xuyong Liu ,  Jingjing Pu

IPC: F26B13/20 ,  F26B21/00 ,  F26B21/02 ,  F26B21/12

CPC classification number: F26B13/104 ,  F26B21/004 ,  F26B21/028 ,  F26B21/12

Abstract: The present application relates to a drying device used for drying a part to be dried. The drying device comprises a drying oven having a first surface and a second surface. The first surface and the second surface are arranged opposite to and spaced apart from each other to form a drying channel allowing the part to be dried to pass through; the first surface is provided with a first air blow port; the first surface and/or the second surface is provided with an air exhaust port; and the second surface is further provided with an air suction port.

公开(公告)号：US20240261845A1

公开(公告)日：2024-08-08

申请号：US18639741

申请日：2024-04-18

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Hao MENG ,  Youcheng PAN ,  Zhixin LUO ,  Yuqian WEN ,  Wenqi ZHU

IPC: B21D51/26 ,  H01M10/04

CPC classification number: B21D51/2638 ,  B21D51/263 ,  H01M10/0404

Abstract: A necking and flanging apparatus includes: an inner mold; a necking piece, disposed around the inner mold, where the necking piece is movable along a radial direction of the inner mold, and the necking piece is configured to coordinate with the inner mold to form a necked portion on a housing; and a press-fit piece, disposed around the inner mold, where the press-fit piece is movable along an axial direction of the inner mold, and the press-fit piece is configured to fit the necking piece to press and flatten the flanged portion of the housing.

公开(公告)号：US12057606B2

公开(公告)日：2024-08-06

申请号：US18307232

申请日：2023-04-26

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yulian Zheng ,  Xiaoping Zhang ,  Peng Wang ,  Zhanyu Sun

IPC: H01M50/593 ,  H01M50/15 ,  H01M50/172 ,  H01M50/474 ,  H01M50/477 ,  H01M50/533 ,  H01M50/547 ,  H01M50/586 ,  H01M50/531

CPC classification number: H01M50/593 ,  H01M50/15 ,  H01M50/172 ,  H01M50/474 ,  H01M50/477 ,  H01M50/533 ,  H01M50/547 ,  H01M50/586 ,  H01M50/531

Abstract: The present disclosure relates to a battery cell to alleviate the problem of impurities falling into an electrode assembly. Wherein, the battery cell includes: an electrode assembly including a tab and a cell body, wherein the tab is connected to the cell body; a cover plate assembly including an electrode terminal and a cover plate, wherein the electrode terminal is disposed on the cover plate; a connecting sheet connected between the tab and the electrode terminal, the connecting sheet includes a first connecting portion and a second connecting portion, wherein the first connecting portion is connected to the tab, and the second connecting portion is connected to the electrode terminal; an insulating pallet disposed between the cell body and the connecting sheet; and an insulation member disposed between the insulating pallet and the second connecting portion.

公开(公告)号：US12057544B2

公开(公告)日：2024-08-06

申请号：US18197486

申请日：2023-05-15

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Zhijian Zheng ,  Xiang Fan ,  Yuqun Zhou ,  Chang Hong ,  Wenqing Nie

IPC: H01M10/04 ,  H01M50/10 ,  H01M50/136

CPC classification number: H01M10/0404 ,  H01M50/10 ,  H01M50/136

Abstract: This application relates to a bare cell film coating apparatus and method, and a battery manufacturing system. The bare cell film coating apparatus includes: a supporting assembly, configured to support a cell assembly; and a film coating assembly, configured to apply a coating of an insulation film to a bare cell in the cell assembly placed on the supporting assembly. The film coating assembly includes a mounting bracket and two clamping assemblies configured to clamp the insulation film. Both clamping assemblies are rotatably disposed on the mounting bracket around a rotation axis consistent with a first direction and are spaced out along a second direction perpendicular to the first direction.

公开(公告)号：US20240258665A1

公开(公告)日：2024-08-01

申请号：US18634189

申请日：2024-04-12

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xihui WANG ,  Wenzhu XU

IPC: H01M50/586 ,  H01M50/533

CPC classification number: H01M50/586 ,  H01M50/533

Abstract: A battery cell, a battery and an electricity consuming apparatus are provided. The battery cell includes a cap assembly and an electrode assembly, the cap assembly includes a cap plate and an isolation member, and the isolation member is disposed on one side of the cap plate; the electrode assembly is disposed on a side of the isolation member facing away from the cap plate, the electrode assembly includes an electrode body and tabs protruding from the electrode body, and a protrusion connected with the electrode body is connected on a peripheral side of at least one of the tabs; wherein a clearance groove is provided on a surface of the isolation member facing away from the cap plate, and is configured to accommodate at least a portion of the protrusion.

公开(公告)号：US20240258602A1

公开(公告)日：2024-08-01

申请号：US18604554

申请日：2024-03-14

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Jianfu HE ,  Qian LIU ,  Yonghuang YE ,  Quanguo LI ,  Xiaofu XU ,  Haizu JIN

IPC: H01M10/617 ,  H01M10/625 ,  H01M10/651 ,  H01M10/658 ,  H01M50/289

CPC classification number: H01M10/617 ,  H01M10/625 ,  H01M10/651 ,  H01M10/658 ,  H01M50/289 ,  H01M2220/20

Abstract: The present application provides a battery pack and a power consuming device. The battery pack includes a battery pack case; and first battery cells and second battery cells that are accommodated in the battery pack case, wherein compared with the second battery cells, the first battery cells are arranged at positions where heat exchange with surroundings is more likely to occur in the battery pack case. It is assumed that the first battery cells each have a capacity C1 and a direct-current impedance R1, wherein X1=C1*R1, the second battery cells each have a capacity C2 and a direct-current impedance R2, wherein X2=C2*R2, and X1 and X2 satisfy 1.1≤X1/X2≤2.0.

公开(公告)号：US20240255581A1

公开(公告)日：2024-08-01

申请号：US18595117

申请日：2024-03-04

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xiaoyun FAN ,  Jianan SUN ,  Deming LIN ,  Jingliang WU

IPC: G01R31/385 ,  G01R31/367

CPC classification number: G01R31/3865 ,  G01R31/367

Abstract: A method for identifying abnormal battery cell includes determining, based on target feature data of a battery cell, whether the battery cell is an abnormal battery cell. The target feature data includes feature data used for differentiation between an abnormal battery cell and a normal battery cell generated during a formation process.