| 摘要 |
PROBLEM TO BE SOLVED: To provide a power storage device capable of suppressing variation in the liquid level of electrolyte in a case, even if the thickness of a gap filling member increases or decreases, and to provide a method of manufacturing a power storage device.SOLUTION: In a power storage device 1, an electrode assembly 3 constituted by laminating a positive electrode 11 and a negative electrode 12 via a separator 13, and a gap filling member 16 arranged between the inner surface 2a of a case 2 are composed of a sheet-like material having a plurality of holes 18 into which the electrolyte 4 can intrude. Since the gap filling member 16 composed of a sheet-like material has the holes 18, increase and decrease in the volume of the internal space of the case 2 can be suppressed even if the thickness of the gap filling member 16 increases or decreases, and thereby variation in the liquid level of the electrolyte 4 in the case 2 can be suppressed. |
