| 摘要 |
The present invention relates to a secondary battery comprising an electrode assembly which has: a first electrode having formed thereon first notched portions; a second electrode having formed thereon second notched portions; a first separator membrane interposed between the first electrode and second electrode; and a second separator membrane interposed below the second electrode, wherein the electrode assembly has the first electrode, first separator membrane, second electrode and second separator membrane sequentially stacked and folded in the width direction and is bent while folded by means of the first notched portions and second notched portions. |
