公开(公告)号：US20240396128A1

公开(公告)日：2024-11-28

申请号：US18797531

申请日：2024-08-08

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Liangfan Xu ,  Qianqian Zhang ,  Hu Xu ,  Xing Li ,  Shaojun Niu ,  Haizu Jin

IPC: H01M50/15 ,  H01M50/103 ,  H01M50/249 ,  H01M50/529 ,  H01M50/55 ,  H01M50/553 ,  H01M50/566

Abstract: This application provides a battery cell, a battery, and an electric device. The battery cell includes: an electrode assembly; a housing, where the housing has a first opening for accommodating the electrode assembly; an end cover configured to cover the first opening, where the end cover has a protruding structure, the protruding structure protrudes along a first direction away from the interior of the battery cell, and the first direction is a thickness direction of the end cover; and an electrode terminal, where the electrode terminal has a protruding portion protruding from the protruding structure along a second direction, and the second direction is perpendicular to the first direction. The battery cells are interconnected in the second direction through the protruding portions of the electrode terminals, which can enhance the strength of the connection between the battery cells.

公开(公告)号：US20240055693A1

公开(公告)日：2024-02-15

申请号：US18494733

申请日：2023-10-25

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wenlin Zhou ,  Liangfan Xu ,  Wenwei Chen ,  Xing Li ,  Quankun Li

IPC: H01M10/653 ,  H01M50/103 ,  H01M50/15 ,  H01M50/474 ,  H01M50/477 ,  H01M10/04

CPC classification number: H01M10/653 ,  H01M50/103 ,  H01M50/15 ,  H01M50/474 ,  H01M50/477 ,  H01M10/049 ,  H01M10/0404

Abstract: Provided are a battery cell, a battery, a power consuming apparatus, and a method and apparatus for manufacturing the battery cell, relating to the technical field of batteries. The battery cell includes a housing, an electrode assembly, an end cap, an insulator and a thermally conductive member. The housing is provided with an opening. The electrode assembly is configured to be accommodated in the housing. The end cap is configured to cover the opening. The insulator is located on the side of the end cap facing the electrode assembly, and the insulator is configured to isolate the end cap from the electrode assembly. The thermally conductive member is embedded in the insulator, and the thermally conductive member is configured to be attached to the end cap. Heat generated by the electrode assembly may be transferred to the end cap through the thermally conductive member.

公开(公告)号：US20230223669A1

公开(公告)日：2023-07-13

申请号：US18149674

申请日：2023-01-04

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Wenlin Zhou ,  Shengwang Chen ,  Liangfan Xu ,  Quankun Li ,  Xing Li

IPC: H01M50/586 ,  H01M50/103 ,  H01M50/593 ,  H01M50/15 ,  H01M50/209 ,  H01M10/04

CPC classification number: H01M50/586 ,  H01M50/103 ,  H01M50/593 ,  H01M50/15 ,  H01M50/209 ,  H01M10/0404 ,  H01M2220/20 ,  H01M2200/00

Abstract: A battery cell, a battery, an electrical device, and a method and device for manufacturing the battery cell. In some embodiments, the battery cell comprises a battery core, a shell, an end cover, and a first insulating component. The battery core comprises a main body part and electrode tabs protruding from the main body part. The shell has a first opening and is configured to accommodate the battery core. The end cover is configured to cover the first opening. The first insulating component comprises an insulating main body and an insulating part, wherein the insulating main body is located on a side, facing the electrode tabs, of the end cover, and the insulating main body is configured to isolate the battery core from the end cover.

公开(公告)号：US11962007B2

公开(公告)日：2024-04-16

申请号：US18179650

申请日：2023-03-07

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Liangfan Xu ,  Xing Li ,  Haizu Jin

IPC: H01M4/525 ,  H01M4/131 ,  H01M4/505 ,  H01M10/0525 ,  H01M4/02

CPC classification number: H01M4/525 ,  H01M4/131 ,  H01M4/505 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2004/028 ,  H01M2220/20

Abstract: The disclosure relates to the field of electrochemistry, and in particular to a lithium-ion secondary battery, a battery module, a battery pack, and a powered device. A lithium-ion secondary battery, includes a bare cell accommodating cavity in which a bare cell group including one or more bare cells A and one or more bare cells B is arranged, wherein the bare cell A includes a first positive electrode sheet including a first positive-electrode active material selected from a single crystal or single crystal-like low-nickel ternary positive electrode material A1, the bare cell B includes a second positive electrode sheet including a second positive-electrode active material and/or a third positive-electrode active material, the second positive-electrode active material is selected from a polycrystalline high-nickel ternary positive electrode material B1, and the third positive-electrode active material is selected from a polycrystalline low-nickel ternary positive electrode material B2.

公开(公告)号：US20240347824A1

公开(公告)日：2024-10-17

申请号：US18754203

申请日：2024-06-26

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wenlin Zhou ,  Liangfan Xu ,  Daowei Yang ,  Jian Zhou ,  Quankun Li ,  Peng Wang

IPC: H01M50/15 ,  H01M50/103 ,  H01M50/131 ,  H01M50/553

CPC classification number: H01M50/15 ,  H01M50/103 ,  H01M50/131 ,  H01M50/553

Abstract: Provided are an end cover assembly, a battery cell, a battery, and an electrical device, relating to the field of batteries. The end cover assembly includes an end cover, a groove, and a reinforcing portion. The end cover has a first surface and a second surface opposite in its thickness direction. The groove is recessed from the first surface in a direction towards the second surface. The reinforcing portion protrudes from the first surface and/or the second surface, and surrounds the groove.

公开(公告)号：US20240332762A1

公开(公告)日：2024-10-03

申请号：US18739347

申请日：2024-06-11

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Liangfan Xu ,  Wenlin Zhou ,  Qianqian Zhang ,  Xing Li ,  Quankun Li ,  Shaojun Niu ,  Haizu Jin

IPC: H01M50/59 ,  H01M10/42 ,  H01M50/103 ,  H01M50/15 ,  H01M50/586

CPC classification number: H01M50/59 ,  H01M10/4235 ,  H01M50/103 ,  H01M50/15 ,  H01M50/586

Abstract: A battery cell, a battery and an electricity-consuming apparatus are provided by the present application. The battery cell includes an electrode assembly including an electrode main body that includes an electrode sheet and a separator stacked with each other, and an electrode tab extending from an end face of the electrode main body; and an infiltrating film including a first end and a second end arranged opposite to each other in a length direction thereof, in which the second end is connected to the separator, and the first end extends beyond the electrode main body.

公开(公告)号：US12009547B2

公开(公告)日：2024-06-11

申请号：US17564598

申请日：2021-12-29

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wenlin Zhou ,  Yulian Zheng ,  Xinxiang Chen ,  Liangfan Xu ,  Peng Wang ,  Haizu Jin

IPC: H01M50/00 ,  H01M50/147 ,  H01M50/536

CPC classification number: H01M50/536 ,  H01M50/147 ,  H01M2220/20

Abstract: The embodiments of this application provide a battery cell, a battery, an electrical device, and a battery cell manufacturing method and device, which pertains to the technical field of batteries. The battery cell includes an electrode assembly, a housing, an end cover assembly, and a support piece. The electrode assembly includes a main body and tabs. The housing has an opening and is used to accommodate the electrode assembly. The end cover assembly is used to cover the opening. The support piece is located between the main body and the end cover assembly, the tabs are bent around the support piece, and the support piece is configured to prevent the main body from moving along a direction facing the end cover assembly.