Battery Module And Battery Pack Comprising Same

Abstract: A battery module according to an embodiment of the present invention comprises: a first sub-module and a second sub-module, each including a battery cell assembly in which a plurality of battery cells are stacked, and a bus bar frame which covers bus bars which electrically connect the battery cells to each other and the battery cell assembly from at least one side; a module housing accommodating the first sub-module and the second sub-module at the same time; and a terminal assembly located at a portion which overlaps a region between the first sub-module and the second sub-module, wherein an opening portion is formed in a portion of the module housing overlapping a module extension portion, and the terminal assembly is connected to a terminal bus bar of each of the first sub-module and the second sub-module through the opening portion.

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