| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a power storage device cell capable of enhancing energy density. <P>SOLUTION: The power storage device cell comprises a battery body 9 having battery negative electrode plate members 7 and battery positive electrode plate members 8 where the battery positive electrode plate members 8 are arranged at both ends in the lamination direction, common negative electrode plate members 10 each having a common negative electrode collector foil 18 provided with a through hole 18a and a common negative electrode layer 19, and being superimposed on the battery positive electrode plate members 8 at both ends of the battery body 9 in the lamination direction, capacitor positive electrode plate members 11 each having a capacitor positive electrode collector foil 20 and a capacitor positive electrode layer 21, where capacitor positive electrode layer 21 is arranged between the common negative electrode plate member 10 and the capacitor positive electrode collector foil 20, and separators 12 provided, respectively, between the battery negative electrode plate member 7 and the battery positive electrode plate member 8, between the battery positive electrode plate member 8 and the common negative electrode plate member 10 and, between the common negative electrode plate member 10 and the capacitor positive electrode plate member 11. <P>COPYRIGHT: (C)2012,JPO&INPIT |
