Secondary battery and battery pack using the same

摘要

A secondary battery and a battery pack using the same. A secondary battery includes a pouch case containing an electrode assembly therein; an electrode terminal connected to the electrode assembly and including a side end exposed outside the pouch case; and a vent forming unit coupled to the pouch case and configured to form a vent in the pouch case when the pouch case swells.

主权项

1. A secondary battery comprising:
a pouch case containing an electrode assembly therein and comprising a stacking surface, a terrace portion at an end of the pouch case and offset from the stacking surface in a first direction, and a side surface extending between the terrace portion and the stacking surface; an electrode terminal connected to the electrode assembly and comprising a side end exposed outside the pouch case, the electrode terminal protruding from the terrace portion in a second direction perpendicular to the first direction; and a vent forming unit clamped to an end of the terrace portion and spaced from the side surface in the second direction, the vent forming unit directed toward and configured to form a vent in the side surface when the pouch case swells in the second direction.