| 摘要 |
PROBLEM TO BE SOLVED: To enable the improvement of manufacturing efficiency.SOLUTION: A positive-pole electrode 18 is provided with a positive electrode tab 24 at a position at which a positive electrode virtual center line L1 goes through. The positive pole electrode 18 is a positive electrode sheet 30 by being sandwiched by a pair of separators 20. The positive pole electrode 18 in the positive electrode sheet body 30 is arranged such that a virtual center line F of the positive pole sheet body 30 coincides with a positive electrode virtual center line L1 of the positive pole electrode 18. The positive electrode sheet body 30 is folded in a zigzag shape. Thus, positive electrode tabs 24 of respective positive pole electrodes 18 are overlapped in a lamination direction of the positive pole electrode 18 and a negative pole electrode 19 when constituting an electrode assembly. |
