公开(公告)号：US11817543B2

公开(公告)日：2023-11-14

申请号：US16718852

申请日：2019-12-18

Applicant: NINGDE AMPEREX TECHNOLOGY LIMITED

Inventor： Xiang Li ,  Huixin Wang ,  Qiaoshu Hu ,  Yibo Zhang

IPC: H01M50/538 ,  H01M50/54 ,  H01M50/541 ,  H01M50/533 ,  H01M50/531 ,  H01M50/526 ,  H01M10/04 ,  H01M50/534 ,  H01M50/536

CPC classification number: H01M10/0431 ,  H01M50/534 ,  H01M50/536 ,  H01M50/538

Abstract: The embodiments of the present application relate to an electrode sheet and a battery cell including the same. The electrode sheet according to an embodiment comprises an electrode sheet body and a plurality of tabs connected to the electrode sheet body. The width of each of the plurality of tabs is different from one another; or the length of each of the plurality of tabs is different from one another. The electrode sheet and the battery cell provided in the embodiments of the present application ensure that each of the tabs in the electrode sheet can electrically conduct well with the tab lead. Thus, the battery cell provided in the present application has the advantage of good electrical conductivity.

公开(公告)号：US11211594B2

公开(公告)日：2021-12-28

申请号：US16669131

申请日：2019-10-30

Applicant: NINGDE AMPEREX TECHNOLOGY LIMITED

Inventor： Yibo Zhang ,  Xiang Li ,  Bin Wang ,  Qiaoshu Hu

IPC: H01M4/04 ,  H01M4/131 ,  H01M4/136 ,  H01M4/1393 ,  H01M4/1397 ,  H01M4/36 ,  H01M4/66 ,  H01M4/62 ,  H01M10/052 ,  H01M4/13 ,  H01M10/0585

Abstract: The present application relates to a composite current collector, and a composite electrode and an electrochemical device comprising the same. The composite current collector of the present application comprises an intermediate layer, a first metal layer, a second metal layer, and a through hole. The intermediate layer has a first surface and a second surface opposite to the first surface, the first metal layer is disposed on the first surface, and the second metal layer is disposed on the second surface. The through hole penetrates through the intermediate layer, the first metal layer and the second metal layer, wherein the through hole is filled with an electrically insulated ionic conductor.

公开(公告)号：US20200220163A1

公开(公告)日：2020-07-09

申请号：US16430026

申请日：2019-06-03

Applicant: NINGDE AMPEREX TECHNOLOGY LIMITED

Inventor： Xiang Li ,  Bin Wang ,  Ying Shao

IPC: H01M4/36 ,  H01M10/0525 ,  H01M4/64 ,  H01M2/16 ,  H01M4/134

Abstract: A battery including an electrode, e.g., an anode, comprises a current collector having a first surface. The electrode includes a composite layer is disposed in a first region on the first surface of the current collector. The composite layer comprises a first material with a scaffold structure and a second material mixed with and supported by the scaffold structure. The second material includes electrochemically active material for the battery. The electrode further includes an insulation layer disposed on the first surface of the current collector and surrounding the first region on the first surface of the current collector. The electrode also includes a protection layer that covers the composite layer and the insulation layer on the first surface of the current collector.

公开(公告)号：US11509019B2

公开(公告)日：2022-11-22

申请号：US16967617

申请日：2020-03-27

Applicant: NINGDE AMPEREX TECHNOLOGY LIMITED

Inventor： Yibo Zhang ,  Xiang Li ,  Bin Wang ,  Ying Shao

IPC: H01M50/44 ,  H01M50/414 ,  H01M50/46 ,  H01M50/449 ,  H01M50/431 ,  H01M10/0525

Abstract: The present application relates to an electrochemical device. The electrochemical device includes: at least one electrode, the at least one electrode having a first surface; and a fiber coating layer, the fiber coating layer including a fiber and being disposed on the first surface. The electrochemical device has the advantages of high energy density, strong liquid retention ability, good drop resistance, good chemical stability and the like since its fiber coating layer has small thickness, high porosity and stronger interfacial adhesion to the electrode.