| 摘要 |
PROBLEM TO BE SOLVED: To provide a power storage device in which wrinkling incident to connection of a separator can be suppressed suitably.SOLUTION: An electrode assembly of secondary battery includes a sheet assembly 20 consisting of a positive electrode sheet 21, and a pair of separators 23, 24 sandwiching the positive electrode sheet 21. In each separator 23, 24, a double-sided tape 54 is stuck to a housing space 53, sectioned by parts 51, 52 which extrude from the side face 21e of the positive electrode sheet 21 when forming the sheet assembly 20 and the side face 21e of the positive electrode sheet 21, so as to fill the housing space 53. |
