公开(公告)号：US20240355996A1

公开(公告)日：2024-10-24

申请号：US18763155

申请日：2024-07-03

Applicant: Ningde Amperex Technology Limited

Inventor： Zhenghuang CAI ,  Hai LONG ,  Qiang ZHENG

IPC: H01M4/04 ,  H01M4/66 ,  H01M4/70 ,  H01M10/04 ,  H01M50/46 ,  H01M50/533 ,  H01M50/538

CPC classification number: H01M4/0404 ,  H01M4/66 ,  H01M4/70 ,  H01M10/0431 ,  H01M50/46 ,  H01M50/533 ,  H01M50/538

Abstract: An electrode sheet has a first end and a second end opposite each other, and includes a current collector, active materials disposed on a first coated zone and a second coated zone, and a plurality of electrode tabs. The current collector includes a side edge, opposing first and second surfaces. The first surface includes a first coated zone and a first uncoated zone, and the second surface includes a second coated zone. At the first end, the first coated zone and the second coated zone are flush. At the second end, the first coated zone is misaligned with the second coated zone. The sum of the length of the first coated zone and the length of the first uncoated zone is equal to the length of the second coated zone. Each electrode tab is coupled to the current collector and protrudes beyond the side edge.

公开(公告)号：US20220037638A1

公开(公告)日：2022-02-03

申请号：US17281379

申请日：2019-07-09

Applicant: Ningde Amperex Technology Limited

Inventor： Zhenghuang CAI ,  Hai LONG

IPC: H01M4/13 ,  H01M10/0587 ,  H01M50/538

Abstract: A cathode plate including a first winding end and a second winding end along a length direction. The cathode plate further includes a cathode current collector and a first cathode active layer. The first cathode active layer is arranged at a surface of the cathode current collector, and the first cathode active layer includes a first end portion located at the first winding end, and the first end portion has a first cutout or a first barrier layer provided at a margin area. This application further provides an electrode assembly including the cathode plate.

公开(公告)号：US20200313148A1

公开(公告)日：2020-10-01

申请号：US16828742

申请日：2020-03-24

Applicant: NINGDE AMPEREX TECHNOLOGY LIMITED

Inventor： Zhenghuang CAI ,  Hai LONG ,  Qiang ZHENG

IPC: H01M2/26 ,  H01M2/16 ,  H01M4/70 ,  H01M4/04 ,  H01M4/66 ,  H01M10/04

Abstract: An electrode sheet has a first end and a second end opposite each other, and includes a current collector, active materials disposed on a first coated zone and a second coated zone, and a plurality of electrode tabs. The current collector includes a side edge, opposing first and second surfaces. The first surface includes a first coated zone and a first uncoated zone, and the second surface includes a second coated zone. At the first end, the first coated zone and the second coated zone are flush. At the second end, the first coated zone is misaligned with the second coated zone. The sum of the length of the first coated zone and the length of the first uncoated zone is equal to the length of the second coated zone. Each electrode tab is coupled to the current collector and protrudes beyond the side edge.