SEALING DEVICE FOR POUCH-TYPE BATTERY CASE AND SEALING METHOD USING SAME

Disclosed are a sealing apparatus for sealing a sealed portion of a battery case having an electrode assembly received therein, the sealing apparatus including a first sealing unit configured to be located on one side of the sealed portion of the battery case and a second sealing unit configured to be located on the other side of the sealed portion of the battery case, wherein the first sealing unit includes a first heating block configured to be heated to a predetermined temperature, a first support block in tight contact with the first heating block, a first sealing tool located in tight contact with one surface of the first support block, the first sealing tool being configured to press one surface of the sealed portion, and a pair of first stopper portions located on both sides of the first support block and rotatably coupled thereto, each of the first stopper portions having a contact surface inclined so as to have different heights along a circumferential surface thereof, and a sealing method using the same.