Fig. 6From: Self-templated Synthesis of Nickel Silicate Hydroxide/Reduced Graphene Oxide Composite Hollow Microspheres as Highly Stable Supercapacitor Electrode Material a Nitrogen adsorption–desorption isotherms and b pore size distribution profiles of Ni3Si2O5(OH)4/RGO hollow microspheres (black curves) and bare Ni3Si2O5(OH)4 hollow microspheres (red curves)Back to article page