Battery Module Having Cooling Structure Using Insulating Oil, And Battery Pack And Vehicle Comprising Same

Abstract: A battery module according to an embodiment of the present invention comprises: a cell lamination assembly including a plurality of battery cells and a plurality of fluid channel spacers each of which is interposed between adjacent battery cells; a front busbar frame assembly which includes a module inlet for supplying, to the fluid channel spacers, insulating oil for cooling the battery cells and is coupled to one lengthwise side of the cell lamination assembly to electrically connect the plurality of battery cells; and a rear busbar frame assembly which includes a module outlet for discharging, to the outside, insulating oil having passed through the module inlet and the fluid channel spacer and is coupled to the other lengthwise side of the cell lamination assembly to electrically connect the plurality of battery cells.

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