POWER STORAGE MODULE AND MANUFACTURING METHOD OF POWER STORAGE MODULE

A power storage module includes an electrode laminate including a laminate of a plurality of bipolar electrodes and a negative terminal electrode disposed on one end side of the laminate in a laminating direction D, a sealing body provided to surround a side surface of the electrode laminate and sealing an internal space V formed between electrodes adjacent to each other, and an electrolytic solution containing an alkaline solution that is housed in the internal space V, both surfaces of a metal plate of the negative terminal electrode are bonded to the sealing body , and a first surplus space VB surrounded by the sealing body and the metal plate of the negative terminal electrode is present.