Button battery, manufacturing method thereof and electronic device

Abstract

A button battery, a manufacturing method thereof, and an electronic device are disclosed, the button battery includes a housing including a bottom cover on a side of a negative electrode sheet and a positive electrode cover on a side of a positive electrode sheet; the housing includes the positive electrode sheet, a separator, a carbon foil, and the negative electrode sheet stacked in sequence; the separator has an inverted U-shape, and both sides of the inverted U-shape are bent toward the positive electrode sheet; the button battery is filled with electrolyte. The button battery of the present application is provided with the carbon foil between the negative electrode sheet and the separator.

Dependencies are inferred from the claim text.