公开(公告)号：US20240379968A1

公开(公告)日：2024-11-14

申请号：US18639626

申请日：2024-04-18

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Kai WU ,  Yu ZHANG ,  Qingrui XUE ,  Zige ZHANG ,  Zhengyuan ZHAO ,  Jinsong ZHANG

IPC: H01M4/66 ,  H01M10/04

Abstract: A battery cell of a cylindrical structure includes a wound electrode assembly. An electrode plate of the electrode assembly includes a current collector, and the current collector includes a support layer and a conductive layer. In a thickness direction of the current collector, the conductive layer is disposed on at least one side of the support layer, and elongation of the support layer is greater than elongation of the conductive layer. In the thickness direction of the current collector, the support layer has a thickness greater than a total thickness of the conductive layer of the current collector.

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：US20240356174A1

公开(公告)日：2024-10-24

申请号：US18653972

申请日：2024-05-02

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Kai WU ,  Yu ZHANG ,  Zige ZHANG ,  Zhengyuan ZHAO ,  Jinsong ZHANG

IPC: H01M50/536 ,  H01M4/13 ,  H01M4/66

CPC classification number: H01M50/536 ,  H01M4/13 ,  H01M4/667

Abstract: An electrode plate includes a current collector. The current collector includes a conductive layer and an insulating layer. The conductive layer includes a tab portion. In thickness direction of the electrode plate, the conductive layer is provided at two opposite sides of the insulating layer. The insulating layer includes a first region and a second region, and in width direction of the electrode plate, at least one end of the first region is connected to the second region. Thickness of the second region is less than thickness of the first region, and the tab portion is at least partially disposed in the second region. The electrode plate further includes an active substance layer applied on a surface of the conductive layer facing away from the insulating layer. The tab portion is not coated with the active substance layer.

公开(公告)号：US20240055670A1

公开(公告)日：2024-02-15

申请号：US18384615

申请日：2023-10-27

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

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

IPC: H01M10/0587 ,  H01M50/107 ,  H01M50/533 ,  H01M50/538

CPC classification number: H01M10/0587 ,  H01M50/107 ,  H01M50/533 ,  H01M50/538 ,  H01M2220/20

Abstract: A cylindrical electrode assembly of a coiled structure includes a main body and a first tab. The main body is provided with a first end face, and the first tab extends out of the first end face and is bent toward the first end face.