Devices having electrodes

PROBLEM TO BE SOLVED: To provide a device capable of obtaining an optional voltage and capacity in itself. SOLUTION: The device is made up by containing in a single vessel a plurality of electrode groups each consisting of a cathode sheet with an electrode tab, an anode sheet with an electrode tab, and a separator arranged so as to insulate between the cathode sheet and the anode sheet. The device is used as a power storage device and as a nonaqueous electrolyte secondary battery. COPYRIGHT: (C)2009,JPO&INPIT