| abstract |
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electrode assembly and a secondary battery including the electrode assembly. More particularly, the electrode assembly includes a plurality of electrodes including electrode tabs; And a separation membrane interposed between the plurality of electrodes, wherein the separation membrane comprises: a substrate; And a protrusion formed on an upper end of at least one side of the base, wherein an upper end of the base is a portion adjacent to the electrode tab. |