Patent ID: 8609272

Claim:
A secondary battery comprising: an electrode assembly in which a first electrode plate, a separator, and a second electrode plate are sequentially stacked and wound; and a plurality of finishing tapes attached to the outer surface of the electrode assembly and sequentially spaced apart from each other along the winding direction of the electrode assembly, the outer surface of the electrode assembly including a front surface, a rear surface, a first side surface and a second side surface along a direction parallel to the winding direction, the first and the second side surfaces connecting the front surface to the rear surface, each of the front surface and the rear surface has a width wider than a width of each of the first side surface and the second side surface, the plurality of the finishing tapes including at least four finishing tapes, a first one of the finishing tapes being attached on the front surface of the electrode assembly, a second one of the finishing tapes on the rear surface of the electrode assembly, a third one of the finishing tapes on the first side surface of the electrode assembly, a fourth one of the finishing tapes on the second side surface of the electrode assembly, the first, second, third and forth ones of the finishing tapes being spaced apart from each other, the third one of the finishing tapes completely covering the first side surface of the electrode assembly.