Battery device manufacturing method thereof

Abstract

A battery device according to an embodiment of the present disclosure comprises a plurality of battery cells having electrode receiving portions and electrode leads, and a bus bar to which the electrode leads are coupled, wherein the electrode leads include an insertion portion protruding in a first direction from the electrode receiving portion and a joining portion extending in a second direction from the insertion portion and joining to the bus bar, and the electrode leads and the bus bar may be joined to each other along a third direction.

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