As shown in Fig. 3(a), melamine was placed on the surface of Co foil, and at lower pyrolysis temperature, melamine was converted into nitrogen-doped carbon on the surface of Co foil.
As shown in Fig. 3 (a), melamine is placed on the surface of Co foil, and at lower pyrolysis temperatures, melamine is converted into nitrogen doped carbon on the surface of Co foil.
As shown in Fig. 3(a), melamine was placed on the surface of Co foil, and at a lower pyrolysis temperature, melamine was transformed into nitrogen-doped carbon on the surface of Co foil.