BATTERY CELL AND BATTERY CELL MANUFACTURING APPARATUS

Disclosed is a battery cell, which includes a battery case having an accommodation portion in which an electrode assembly is mounted, and a sealing portion formed by sealing an outer periphery thereof; an electrode lead electrically connected to an electrode tab included in the electrode assembly and protruding out of the battery case via the sealing portion; and a lead film located at a portion corresponding to the sealing portion in at least one of an upper portion and a lower portion of the electrode lead, wherein a non-adhesion portion is formed on an outer surface of the lead film, and the non-adhesion portion is configured to face an outer surface of the electrode lead.