| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve energy density of a power storage device. <P>SOLUTION: The power storage device 10 is provided with an electrode laminate unit 12, and the electrode laminate unit 12 comprises alternately laminated positive electrodes 14 and negative electrodes 15. The negative electrode 16 disposed on the outermost part of the electrode laminate unit 12 comprises a negative electrode collector 16b provided with many through-holes 16a, a negative electrode laminated layer 16c applied to one surface of the negative electrode collector 16b, and metallic lithium 17a stuck to the other surface of the negative electrode collector 16b. Thus, since the negative electrode collector 16b can be made to function as a lithium electrode collector when doping lithium ions, the lithium electrode collector is reduced from the power storage device 10, the volume and weight of the power storage device 10 are reduced, and the energy density is improved. <P>COPYRIGHT: (C)2008,JPO&INPIT |
