POWER STORAGE DEVICE, AND METHOD FOR MANUFACTURING ELECTRODE ASSEMBLY

摘要

PROBLEM TO BE SOLVED: To suppress deterioration in performance of a power storage device.SOLUTION: An insulating adhesive tape 33 is stuck to an outer periphery of an electrode assembly 12. A laminated state of a positive electrode, a negative electrode and a separator configuring the electrode assembly 12 is thereby maintained. A starting end side where the winding of the adhesive tape 33 starts and a terminal end side where the winding ends are joined on a side face 12c of the electrode assembly 12. Accordingly, a joined part 38 is disposed at a non-facing part 37 where a positive electrode active material layer of the positive electrode and a negative electrode active material layer of the negative electrode do not face each other.