| 摘要 |
PROBLEM TO BE SOLVED: To provide an electrochemical cell that can be simply multilayered and can achieve high capacity in connection with the multilayer.SOLUTION: An electrochemical cell includes a plurality of electrode sheets 21 to 23 in which positive electrode layers 31, 51, 61 and negative electrode layers 32, 52, 62 are laminated through polymer electrolyte 33, an electrode group 3 having laminated electrode sheets, and an exterior package body 2 for housing the electrode group. The electrode sheets have positive electrode vias 44, 54, 64 which are connected to the positive electrode layers and exposed onto sheet-facing surfaces between the adjacent electrode sheets in the lamination direction, and negative electrode vias 45, 55, 65 which are connected to the negative electrode layers and exposed onto the sheet-facing surfaces. In the adjacent electrode sheets, the sheet-facing faces are joined to each other, the positive electrode vias of the adjacent electrode sheets are connected to each other on the sheet-facing faces, and the negative vias of the adjacent electrode sheets are connected to each other.SELECTED DRAWING: Figure 1 |
