Patent ID: 8741478

Claim:
A pouch-type rechargeable battery comprising: an electrode assembly including a resin layer arranged on a portion of a surface of an electrode tab; and a pouch having a front and a rear end on opposite ends of the pouch, said pouch including the electrode tab drawn through a sealing part of the pouch arranged across an entirety of the front end of the pouch formed by the opposite sides joining together at the front end, said resin layer being confined within said sealing part and interposed between the surface of the electrode tab and the opposite sides of the pouch that meet together to form said sealing part; said sealing part of said pouch including a groove located on a surface of the front end of the pouch, said groove forming an indentation in the surface of the front end of the pouch around the electrode tab and below said opposite sides, wherein the indentation of the groove has a curved shape with a convex curvature of the groove bent toward the rear end of the pouch where the electrode assembly is housed.