Patent ID: 7829216

Claim:
A secondary battery a shape of a plate, the secondary battery comprising: a battery case made of a laminated sheet including a metal layer and a resin layer and including a sheathing member; electrode leads disposed at an upper end of the sheathing member; and independent coupling frame members, including an upper frame member, a lower frame member and a side frame member, wherein the upper frame member is mounted to an upper end portion of the sheathing member, the lower frame is mounted to a lower end portion of the sheathing member and the side frame member is mounted to a side end portion of the sheathing member, wherein the upper frame member includes a horizontal groove formed at a side surface thereof and vertical grooves formed in a middle portion thereof and connected to the horizontal grooves, the electrode leads are inserted into the upper frame member through the horizontal groove of the upper frame member, and the electrode leads inserted through the horizontal groove are connected to bus bars when the bus bars are inserted into the vertical grooves of the upper frame member.