TOP COVER ASSEMBLY, SECONDARY BATTERY AND ELECTRIC EQUIPMENT

    公开(公告)号:US20210234220A1

    公开(公告)日:2021-07-29

    申请号:US15733813

    申请日:2020-04-17

    Abstract: The top cover assembly provided in the present application includes a top cover plate, a sealing member and a lower insulting piece, the sealing member includes a first sealing part arranged on an upper surface of the top cover plate; the lower insulating member is provided with a first insulating part and a second insulating part which are connected with each other, the first insulating part is arranged below the top cover plate, the second insulating part extends upwards from the first insulating part and at least part of the second insulating part is arranged in an electrode lead-out hole of the top cover plate, one of the second insulating part and the sealing member is provided with a groove, and the other includes a first matching part, and the first matching part is embedded into the groove and is sealed with a bottom wall of the groove.

    SECONDARY BATTERY, BATTERY COLUMN, AND APPARATUS

    公开(公告)号:US20210399372A1

    公开(公告)日:2021-12-23

    申请号:US17462741

    申请日:2021-08-31

    Abstract: This application relates to a secondary battery, a battery column, and an apparatus. The secondary battery includes a top cover plate, having an outer surface and an inner surface disposed opposite each other in a thickness direction of the top cover plate and an electrode lead-out hole extending along the thickness direction; a pole, disposed in the electrode lead-out hole, where the pole includes a first metal layer and a second metal layer, and the first metal layer and the second metal layer are stacked along a direction from the inner surface to the outer surface; an insulation member, disposed between the top cover plate and the pole; and a first bonding layer, disposed between the insulation member and the first metal layer, where the insulation member is hermetically connected to the first metal layer through the first bonding layer.

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