BATTERY AND METHOD FOR PRODUCING SAME

A battery is provided that has excellent energy density and excellent cycle characteristics early in the cycle. The battery in one aspect of the present invention comprises: a positive electrode; a negative electrode free of a negative electrode active material; a separator that is disposed between the positive electrode and the negative electrode; and a carbon layer that is disposed between the separator and the negative electrode, wherein the capacity of the carbon layer is 22% or less of the capacity of the positive electrode.