Figure 3
Increased specific surface area of NiCo2O4 double-shell spheres. Nitrogen adsorption–desorption isotherms of single-shelled (a) and double-shelled (b) NiCo2O4 spheres.
Figure 3 | NPG Asia Materials
Increased specific surface area of NiCo2O4 double-shell spheres. Nitrogen adsorption–desorption isotherms of single-shelled (a) and double-shelled (b) NiCo2O4 spheres.
