STEPPED ELECTRODE ASSEMBLY AND BATTERY CELL, BATTERY PACK, AND DEVICE COMPRISING SAME

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.