Patent ID: 7736797

Claim:
A rechargeable battery comprising: an electrode assembly comprising a sheet-shaped positive electrode and a sheet-shaped negative electrode wound together, and a separator interposed therebetween, at least one of the positive electrode or the negative electrode having an uncoated region at an end thereof; a case for housing the electrode assembly; an outer terminal; a cap assembly combined with the case and sealing the case, and combined with the outer terminal; and a tab, wherein the tab comprises: a terminal element connected with the outer terminal; left and right connection elements extended from ends of the terminal element and disposed to correspond to each other in parallel; and left and right inward junction elements connected at respective sides of the left and right connection elements through respective bending areas to form gaps relative to a part of the respective left and right connection elements and electrically connected with the uncoated region, each of the gaps receiving a portion of the uncoated region therein, wherein the bending areas are bent toward each other from the respective sides of the left and right connection elements, and the left and right inward junction elements are between the left and right connection elements.