SECONDARY BATTERY AND METHOD OF MANUFACTURING SAME

Abstract

A secondary battery, including an electrode assembly having a first surface and a second surface facing each other, a lower case including a lower surface covering the first surface of the electrode assembly and first to fourth lower side surfaces extending from the lower surface, and an upper case including an upper surface bent and extending from the fourth lower side surface of the lower case and covering the second surface of the electrode assembly and first to third upper side surfaces extending from the upper surface, wherein the first to third upper side surfaces of the upper case are respectively coupled to the first to third lower side surfaces of the lower case.

CPC Classifications