A power storage module includes a laminate constituted of a plurality of laminated bipolar electrodes, each of the bipolar electrodes including an electrode plate, a positive electrode provided on one surface of the electrode plate, and a negative electrode provided on the other surface of the electrode plate, wherein a plurality of internal spaces is formed between the bipolar electrodes adjacent to each other in the laminate; a frame body holding an edge portion of the electrode plate and provided with an opening communicating with at least one of the plurality of internal spaces; and a pressure regulating valve attached to the frame body.