Self-supported phase-pure Ni3S2 sheet-on-rod nanoarrays with enhanced pseudocapacitive properties and high energy density

A facile hydrothermal method was developed to synthesize self-supported phase-pure Ni3S2 sheet-on-rod nanoarray on nickel foam. The as-prepared sample demonstrated enhanced pseudocapactive properties with superior energy densities when assembled into an asymmetric supercapacitor as cathode with activated carbon as the anode.497