CELL

摘要

A cell includes a band-shaped electrode group. The electrode group has a first electrode, a second electrode, and a separator arranged between the first electrode and the second electrode. The first electrode has a band-shaped first current collector and a first active material layer held on one side of the first current collector. The first active material layer faces the separator. The second electrode has a band-shaped second current collector and a second active material layer held on one side of the second current collector. The second active material layer faces the separator. The electrode group is bent in zigzag to constitute a layered body having a plurality of flat portions, at least one first bent portion located at a first end side of the flat portions with the first current collector located at the outermost circumferential side, and at least one second bent portion located at a second end side opposite to the first end side with the second current collector located at the outermost circumferential side. The layered body has a first terminal connected to at least one first bent portion and a second terminal connected to at least one second bent portion.