Energy storage device

Abstract

To provide a power storage device that can be efficiently assembled.SOLUTION: A power storage device includes a power storage element 20, a spacer 100, a cover member 200, and a busbar frame 300. The spacer 100 is disposed at a position facing a long side face 21a of the power storage element 20. The cover member 200 is disposed at a position facing a terminal arrangement face 21c of the power storage element 20. The busbar frame 300 is disposed between the spacer 100 and the cover member 200. The spacer 100 has a connection 110 provided to project in a Z-axis plus direction that is a direction in which the terminal arrangement face 21c is directed. The connection 110 is mechanically connected to the cover member 200. The busbar frame 300 has an opening 310 allowing the connection 110 to penetrate in the Z-axis plus direction. The connection 110 is formed to have such a length that the position of a tip 111 in the Z-axis plus direction is equal to or higher than the position of the periphery 311 of the opening 310 in the Z-axis plus direction.SELECTED DRAWING: Figure 5

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