SECONDARY BATTERY

摘要

The present invention relates to a secondary battery. More specifically, the present invention relates to a secondary battery which increases space application efficiency, and can increase producibility of a pouch and stability of the pouch. According to the present invention, the secondary battery comprises: an electrode assembly where a plurality of electrodes and a separation film are alternately stacked; and a pouch forming a receiving space for receiving the electrode assembly. Each size of the electrodes is determined by a shape of the receiving space.