Secondary battery

A secondary battery including a case having an upper opening and an internal cavity, an electrode assembly disposed within the internal cavity of the case, a cap plate coupled to the case and sealing the upper opening, a collector plate coupled to the electrode assembly, a collector terminal coupled to the collector plate, the collector terminal including a rivet portion and terminal portion above a top surface of the cap plate, and a terminal plate positioned above the cap plate and coupled to the rivet portion of the collector terminal.