A pouch type rechargeable battery according to an exemplary embodiment includes: an electrode assembly that includes a first electrode, a separator, and a second electrode; a fixing member that includes a first fixing member and a second fixing member positioned at opposite sides of the electrode assembly; and a pouch that is provided with an accommodation part for accommodating the electrode assembly and a sealing part that surrounds the accommodation part and is thermo-bonded, wherein the fixing member may have a first part overlapping the electrode assembly, a second part overlapping the sealing part, and a width of the second part is narrower than the sealing part.