Patent ID: 7781095

Claim:
A rechargeable battery, comprising: an electrode assembly comprising a positive electrode, a negative electrode, and a separator that is placed between the positive electrode and the negative electrode, each of the positive electrode and the negative electrode comprising a first surface having a first region coated with an active material and a second region that is uncoated with the active material, the second region being arranged along edges of the first surface; current collecting plates that are joined with and cover portions of the second regions of the positive electrode and the negative electrode, respectively; a case to house the electrode assembly and the current collecting plates; and a cap assembly that is joined with the case and includes terminals that are coupled with the current collecting plates, wherein each current collecting plate comprises a cover including a first cover and a second cover formed to be bent at ends of the first cover, wherein an edge of each uncoated region faces the first cover, wherein the first cover physically contacts the entire edge of each uncoated region, and wherein the second cover physically contacts a surface of the second regions of the first surface wherein each cover comprises a plurality of protrusions on a side that contacts the second region; and wherein each over comprises a plurality of openings.