BUTTON CELL
    21.
    发明公开
    BUTTON CELL 审中-实审

    公开(公告)号:EP4376144A1

    公开(公告)日:2024-05-29

    申请号:EP23209670.1

    申请日:2023-11-14

    发明人: Kim, Jongwan

    摘要: A button cell includes: an electrode assembly configured to include a first electrode, a second electrode, and a separator; a case connected to the first electrode and configured to accommodate the electrode assembly and to include an opening exposing the electrode assembly;; a cap plate coupled to the case to cover an outer area of the opening and configured to include a through hole exposing a central area of the opening; a terminal plate connected to the second electrode, to be insulatively bonded to the cap plate, and to cover the through hole; an annular welded portion configured to weld between an edge of the cap plate and a sidewall of the case; and an annular gasket positioned inside the case to correspond to the annular welded portion and positioned between the electrode assembly and the edge of the cap plate and between the electrode assembly and a sidewall of the case.

    BATTERY CELL AND BATTERY MODULE COMPRISING SAME

    公开(公告)号:EP4366050A1

    公开(公告)日:2024-05-08

    申请号:EP22864951.3

    申请日:2022-08-24

    摘要: A battery cell according to the present invention can include an electrode assembly including a positive electrode, a negative electrode, and a separating membrane disposed between the positive electrode and the negative electrode, a cell case for receiving the electrode assembly, and an electrode lead connected to the electrode assembly and protruding from one end of the cell case. The cell case can include a receiving portion to receiving the electrode assembly and a sealing portion formed on an edge of the cell case to sealing the electrode assembly, and a reinforcing member positioned on an external side of the cell case to overlap at least a portion of the sealing portion.

    BATTERY TOP COVER PLATE AND BATTERY
    25.
    发明公开

    公开(公告)号:EP4432461A1

    公开(公告)日:2024-09-18

    申请号:EP22902830.3

    申请日:2022-07-22

    发明人: CHEN, Xianyang

    IPC分类号: H01M50/627 H01M50/147

    摘要: The application discloses a battery top cover sheet and a battery. The battery top cover sheet includes a top cover body (1), an electrolyte filling structure (11), a boss (12), and a process groove (13) are arranged on the top cover body (1), the electrolyte filling structure (11) includes a sinking groove (111) located on an upper surface of the top cover body (1) and a filling port (112) penetrating through the top cover body (1), the boss (12) is located on a lower surface of the top cover body (1) and arranged around the filling port (112), and the process groove (13) is arranged on a lower surface of the top cover body (1) and arranged around the boss (12).

    HOUSING ASSEMBLY OF BUTTON CELL, BUTTON CELL AND ELECTRONIC PRODUCT

    公开(公告)号:EP4421972A2

    公开(公告)日:2024-08-28

    申请号:EP24187599.6

    申请日:2020-07-13

    IPC分类号: H01M50/538

    摘要: Embodiments of the present invention provide a housing assembly of button cell, a button cell and an electronic product. The housing assembly of button cell includes: a housing and a conductive part, the housing having a holding cavity that is capable of holding a cell of the button cell, the cell having a first tab and a second tab, the housing being provided with a through hole, the conductive part being positioned at and blocking the through hole, and the conductive part and the through hole being sealed and insulated; where, the number of the conductive part is one or two, and when the number of the conductive part is two, the housing is provided with two through holes, where the conductive parts correspond to the through holes one by one. It is beneficial to improving sealability of the housing assembly of button cell.

    POWER STORAGE MODULE
    30.
    发明公开

    公开(公告)号:EP4376143A3

    公开(公告)日:2024-08-14

    申请号:EP23207168.8

    申请日:2023-10-31

    发明人: TAKASU, Junta

    摘要: A power storage module (1) includes an electrode laminate (10) having a plurality of bipolar electrodes (100), a positive terminal electrode (200), and a negative terminal electrode (300), a sealing portion (500), and a buffer region formation member (600) that forms a sealed buffer region (R2). Each bipolar electrode (100) has a current collector (110), a positive electrode active material layer (120), and a negative electrode active material layer (130). Positive terminal electrode (200) has a positive electrode current collector foil (112) and positive electrode active material layer (120). Negative terminal electrode (300) has a negative electrode current collector foil (113) and negative electrode active material layer (130). Sealing portion (500) seals a region (R1) formed between a positive electrode uncoated portion (112b) and a negative electrode uncoated portion (113b) in a state where becomes a pressure within region (R1) is lower than atmospheric pressure. Buffer region formation member (600) forms a buffer region (R2) at a position overlapping region (R1) in a stacking direction.