Disclosed herein are a secondary battery including an elec trode assembly for charging and
discharging mounted in a sheathing member including a metal layer and a resin layer,
wherein the secondary battery further includes a secondary battery having a molding part of
a predetermined thickness at least partially formed at the outside of a sheathing member,
preferably, at a sealing region of the sheathing member, and a medium-or large-sized
battery pack including the same. The molding part is formed at the outside of the sheathing …