| 摘要 |
PROBLEM TO BE SOLVED: To provide a power storage device capable of performing efficient cooling of a power storage element, depending on the state of the power storage element.SOLUTION: A power storage device 10 including a power storage element 100 and an exterior body 400 housing the power storage element 100 is further provided with a first introduction part 200 having an opening 201 for introducing a first fluid 710 into the exterior body 400, a second introduction part 220 forming a flow path 221 for introducing a second fluid 720 into the exterior body 400, an interruption member 230 for interrupting the flow path 221, and introducing a second fluid 720 into the exterior body 400 by releasing interruption of the flow path 221 when predetermined conditions are satisfied, and a closing member 210 for closing the opening 201 in the first introduction part 200 when interruption of the flow path 221 is released. |
