Power storage device, power storage device including power storage element, mobile body including power storage element, and power storage system including power storage element

摘要

In this embodiment, a plurality of electrode bodies around which an electrode is wound, an electrolytic solution, a case containing the plurality of electrode bodies and the electrolytic solution, and an external terminal protruding from the outer surface of the case are provided. The electrode bodies are arranged in the protruding direction of the external terminal in a state where the winding central axes are parallel to each other, and adjacent electrode bodies have a liquid junction on their outer peripheral surfaces.