Battery pack
    51.
    发明授权

    公开(公告)号:US11139518B2

    公开(公告)日:2021-10-05

    申请号:US16445486

    申请日:2019-06-19

    发明人: Dongge Hu

    摘要: A battery pack includes: a packaging housing, including a first arcuate plate and a second arcuate plate, an inner arcuate surface of the first arcuate plate being opposite to an outer arcuate surface of the second arcuate plate; and at least one set of electrode assemblies, comprising a first arcuate electrode assembly and a second arcuate electrode assembly, the first arcuate electrode assembly is disposed on the inner arcuate surface of the first arcuate plate, the second arcuate electrode assembly is disposed on the outer arcuate surface of the second arcuate plate, the inner arcuate surface of the first arcuate electrode assembly and the outer arcuate surface of the second arcuate electrode assembly face to each other, and a first spacing is defined between the inner arcuate surface of the first arcuate electrode assembly and the outer arcuate surface of the second arcuate electrode assembly.

    Exterior material for lithium ion battery

    公开(公告)号:US11128004B2

    公开(公告)日:2021-09-21

    申请号:US15921298

    申请日:2018-03-14

    摘要: An exterior material for a lithium ion battery comprising at least a substrate layer, a metal foil layer, and a sealant layer in that order, wherein the sealant layer comprises an anionic functional group-containing layer containing a compound having an anionic functional group, and the concentration of the anionic functional group contained in the anionic functional group-containing layer is about 1.0 mass % or more based on the total amount of the components constituting the anionic functional group-containing layer.

    Secondary battery and electrode member thereof

    公开(公告)号:US11101493B2

    公开(公告)日:2021-08-24

    申请号:US16268364

    申请日:2019-02-05

    IPC分类号: H01M10/04 H01M2/02 H01M50/116

    摘要: The present disclosure provides a secondary battery and an electrode plate thereof. The electrode member comprises an insulating substrate, a first conducting layer and an active material layer; the first conducting layer is provided on a surface of the insulating substrate, the active material layer is provided at a side of the first conducting layer away from the insulating substrate; the first conducting layer is provided with a stripe-shape groove extending in a height direction, the stripe-shape groove is used for releasing stress of the first conducting layer. The secondary battery comprises an electrode assembly, the electrode assembly comprises the electrode member.

    Battery
    59.
    发明授权
    Battery 有权

    公开(公告)号:US11094992B2

    公开(公告)日:2021-08-17

    申请号:US16166142

    申请日:2018-10-21

    发明人: Bolin Zhou

    摘要: The present application relates to the field of energy storage device production technology, in particular, to a battery comprising a battery body and a flange portion; the battery body includes a first side face protruding from a surface of the battery body; the flange portion is arranged outside the battery body and includes a protrusion segment connected to the battery body, the protrusion segment protruding away from the battery body. The present application ensures the amount of glue at the valley bottom of the side as much as possible, so that the adhesive force here is improved, the tightness of the valley bottom is ensured and the problem of opening the flange portion when transporting, using, or storing is reduced as much as possible.

    Battery cell comprising protection circuit module assembly having lead plate

    公开(公告)号:US11094968B2

    公开(公告)日:2021-08-17

    申请号:US16791233

    申请日:2020-02-14

    申请人: LG CHEM, LTD.

    摘要: Provided is a plate-shaped battery cell in which electrode leads are located at one side end portion of a battery case including an excess sealing portion of a thermally-welded or adhesive structure for sealing an electrode assembly. the battery cell includes: a Protection Circuit Module (PCM) assembly having one or more safety elements for preventing overcurrent, wherein the PCM assembly includes a PCM and a conductive lead plate for electrically connecting the electrode leads, wherein the lead plate includes: an electrode lead connection portion positioned at one side end portion of the lead plate for electrically connecting the PCM and the electrode lead; a PCM connection portion located at the other side end portion of the lead plate for connecting to a connection portion of a printed circuit board on which a protection circuit is formed; and a bent portion extending from the electrode lead connection portion to be bent to face the outer surface of the battery case in order to prevent damage to the battery case occurring during a process of connecting the electrode lead to the electrode lead connecting portion.