PURPOSE: A secondary battery is provided to control the position of tabs in an electrode assembly in which electrodes having a plurality of tabs are wounded. CONSTITUTION: A secondary battery(100) comprises an electrode assembly. The electrode assembly includes: a first electrode(111) including a plurality of first electrode tabs(114) extending to one side; a second electrode(112) including a plurality of second first electrode tabs(115) extending to one side; and a separator(113) which is interposed between the first and second electrodes and insulates the first and second electrodes.
