SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME

A method for manufacturing a secondary battery according to an embodiment of the present invention for achieving the above object includes: accommodating an electrode assembly, in which electrodes and separators are alternately stacked, in a can type battery case; primarily injecting an electrolyte through an injection hole; applying a pressure to the battery case while performing a formation process in a state in which the injection hole is opened; secondarily injecting the electrolyte through the injection hole; and closing the injection hole.