公开(公告)号：US20210288330A1

公开(公告)日：2021-09-16

申请号：US16858977

申请日：2020-04-27

Applicant: Ningde Amperex Technology Limited

Inventor： Zhenghuang Cai

IPC: H01M4/66 ,  H01M2/26 ,  H01M10/0525 ,  H01M4/13

Abstract: An electrode plate includes a first electrode tab, a second electrode tab, and an active material layer. The composite current collector includes a first metal layer, a second metal layer, and an insulation layer therebetween. The first electrode tab is on an edge of the first metal layer and extends beyond the insulation layer. The second electrode tab is on an edge of the second metal layer and extends beyond the insulation layer. The active material layer is disposed on the first metal layer and the second metal layer, and covers a portion of the first electrode tab on the first metal layer and a portion of the second electrode tab one the second metal layer. A battery cell and an electrochemical device including the electrode plate are also disclosed.

公开(公告)号：US12100842B2

公开(公告)日：2024-09-24

申请号：US16858977

申请日：2020-04-27

Applicant: Ningde Amperex Technology Limited

Inventor： Zhenghuang Cai

IPC: H01M4/66 ,  H01M4/13 ,  H01M10/0525 ,  H01M50/54

CPC classification number: H01M4/667 ,  H01M4/13 ,  H01M4/661 ,  H01M4/668 ,  H01M10/0525 ,  H01M50/54

Abstract: An electrode plate includes a first electrode tab, a second electrode tab, and an active material layer. The composite current collector includes a first metal layer, a second metal layer, and an insulation layer therebetween. The first electrode tab is on an edge of the first metal layer and extends beyond the insulation layer. The second electrode tab is on an edge of the second metal layer and extends beyond the insulation layer. The active material layer is disposed on the first metal layer and the second metal layer, and covers a portion of the first electrode tab on the first metal layer and a portion of the second electrode tab one the second metal layer. A battery cell and an electrochemical device including the electrode plate are also disclosed.

公开(公告)号：US12057563B2

公开(公告)日：2024-08-06

申请号：US16828742

申请日：2020-03-24

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.