段差を有する電極組立体、それを含む電池セル、電池パック及びデバイス

摘要

There is provided an electrode assembly comprising at least one stacked and folded type electrode stack in which a plurality of electrode units having electrode tabs are stacked in a state that the electrode units are separated by a sheet of separating film. The stacked and folded type electrode stack includes at least one stepped portion formed of electrode units having different areas and stacked on one another.