Battery module having bus bar assembly

    公开(公告)号:US11289776B2

    公开(公告)日:2022-03-29

    申请号:US16620385

    申请日:2018-10-11

    申请人: LG Chem, Ltd.

    摘要: A battery module allows improved manufacturing due to easy electric connection between a bus bar assembly and secondary batteries. The battery module includes a cell stack formed by stacking a plurality of secondary batteries having electrode leads on each other in a stacking direction; and a bus bar assembly including a connection bus bar contacting two or more of the electrode leads of the plurality of secondary batteries and having an insert groove formed so that at least one of the electrode leads is inserted therein, and a coupling bus bar coupled to the connection bus bar and having a rear surface formed to press the at least one of the electrode leads inserted in the insert groove.

    Battery module
    13.
    发明授权

    公开(公告)号:US10665834B2

    公开(公告)日:2020-05-26

    申请号:US15980242

    申请日:2018-05-15

    申请人: LG Chem, Ltd.

    摘要: Disclosed is a battery module, which comprises a cell assembly including a plurality of battery cell groups, in each of which a plurality of battery cells respectively having protrusions protruding in a left and right direction on at least one of one end and the other end thereof are stacked in an upper and lower direction, wherein the protrusion of any one battery cell group among the plurality of battery cell groups is inserted and coupled between the protrusions of another battery cell group, wherein a step is formed between adjacent battery cell groups in an upper and lower direction; and end plates respectively disposed at upper and lower portions of the cell assembly.