SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME

According to the present disclosure, a secondary battery is provided, which comprises an electrode assembly provided with an uncoated portion, a first current collector and a second current collector each comprising a connection portion electrically connected to the uncoated portion of the electrode assembly, a case having one open side to accommodate the electrode assembly, the first current collector, and the second current collector, and a cap plate covering the open side of the case.