POUCH-TYPE BATTERY CELL, DEVICE FOR ROLLING SEALING PORTION OF POUCH-TYPE BATTERY CELL, AND METHOD FOR ROLLING SEALING PORTION USING SAME

Disclosed are a pouch-shaped battery cell including an electrode assembly in which a positive electrode and a negative electrode are stacked with a separator interposed therebetween and a pouch-shaped battery case having an electrode assembly receiving portion configured to receive the electrode assembly, wherein the pouch-shaped battery case includes a first case and a second case, the first case and the second case are coupled to each other such that outer peripheries thereof are aligned with each other to form a sealed portion, and the sealed portion is a roll-shaped sealed portion wound in the shape of a roll, a sealed portion rolling apparatus for the pouch-shaped battery cell, and a sealed portion rolling method using the same.