Power storage cell

A power storage cell comprising:

• an electrode assembly including a sheet body wound to surround a winding axis;
• and
• at least one insulating member provided in the electrode assembly, wherein
• the electrode assembly includes a first end portion located at an end in a direction in which the winding axis extends, and a second end portion located at an end opposite to where the first end portion is located,
• the sheet body includes a first electrode sheet, a second electrode sheet, and a separator disposed between the first electrode sheet and the second electrode sheet,
• the first electrode sheet includes a first current collector, and a first electrode composite material layer formed on the first current collector,
• the first current collector includes a first uncoated portion not coated with the first electrode composite material layer,
• the first uncoated portion includes a plurality of first metal pieces located at the first end portion and arranged in a winding direction of the sheet body,
• the first metal pieces extend toward the winding axis,
• the second electrode sheet includes a second current collector, and a second electrode composite material layer formed on the second current collector,
• the second electrode sheet includes a first edge portion located at the first end portion, and
• the at least one insulating member includes a first insulating member formed at the first edge portion.