| 摘要 |
A power storage apparatus has a power storage element including an electrolyte layer and a plurality of electrode elements stacked with the electrolyte layer interposed between them, and a case accommodating the power storage element and a heat exchange medium for use in heat exchange with the power storage element. The power storage element has an opening portion passing through the power storage element and extending from one end face to the other end face of the power storage element in a stacking direction. A top-face portion of the case located above the power storage element includes an inclined surface inclined with respect to the stacking direction in the power storage element.
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