CELL AND ELECTRIC DEVICE USING SAME

A cell, comprising a first electrode plate and a second electrode plate, which are alternately stacked, wherein a separation film is provided between the first electrode plate and the second electrode plate; the first electrode plate comprises a first current collector, and a first active substance layer, which is arranged on a surface of the first current collector; the second electrode plate comprises a second current collector, and a second active substance layer, which is arranged on a surface of the second current collector; the first electrode plate further comprises a first recess, which is formed by removing the first active substance layer, and a first tab, which is arranged in the first recess; the second electrode plate comprises a second recess, which is formed by removing the second active substance layer; in the thickness direction of the cell, the first recess and the second recess are arranged opposite each other; a surface of the first tab is provided with a first insulating layer; and the se