A STEPWISE ELECTRODE ASSEMBLY, AND BATTERY CELL, BATTERY PACK AND DEVICE COMPRISING THE SAME

摘要

The present invention provides an electrode assembly having one or more stepped parts, comprising one or more Z-folding type laminate in which a plurality of electrode units having electrode taps are stacked, and which are stacked to be separate from each other by using a sheet type separation film, wherein the laminate is formed by stacking the electrode unit having area difference with respect to the adjacent electrode unit.