POUCH-TYPE BATTERY CELL SEALING DEVICE COMPRISING PAIR OF SEALING ROLLERS, SEALING METHOD USING SAME, AND POUCH-TYPE BATTERY CELL MANUFACTURED USING SAME

The present invention relates to a pouch-shaped battery cell sealing apparatus including a pair of sealing rollers configured to press and roll an upper part and a lower part of a sealed portion of a pouch-shaped battery cell, respectively, wherein the pair of sealing rollers includes a first sealing roller and a second sealing roller, and the pair of sealing rollers are configured to seal the sealed portion while moving in a direction from an inside to an outside of the sealed portion, a sealing method using the same, and a pouch-shaped battery cell manufactured using the same. The pouch-shaped battery cell may be easily vented under low internal pressure.