Patent ID: 7887951

Claim:
A rechargeable battery, comprising: an electrode assembly including an anode, a cathode, and a separator arranged between the anode and the cathode, the anode, the cathode and the separator arranged as a plurality of windings, each of the anode and the cathode having a coated region and an uncoated region; a case adapted to house the electrode assembly; a cap assembly including an electrode terminal, the cap assembly adapted to close and seal the case; and a plurality of current collecting plates adapted to electrically connect the electrode assembly to the cap assembly, each of the plurality of current collecting plates includes a plurality of current collecting protrusions extending into the electrode assembly; the plurality of current collecting protrusions of one of the plurality of current collecting plates are crossed with the plurality of current collecting protrusions of another of the plurality of current collecting plates, and the plurality of windings of the uncoated region of one of the anode and the cathode are intertwined with the plurality of current collecting protrusions of the plurality of current collecting plates.