Figure 1 | NPG Asia Materials

Figure 1

From: Integrating large specific surface area and high conductivity in hydrogenated NiCo2O4 double-shell hollow spheres to improve supercapacitors

Figure 1

Fabrication of NiCo2O4 double-shell spheres. (a) Synthetic scheme of NiCo2O4 hollow spheres, the single-shell and double-shell spheres were fabricated by one-cycle and two-cycle coating of the NiCo2(OH)6 intermediate material on carbon sphere templates, respectively. (b) Primal carbon spheres used as templates. (c), Single-shell hollow spheres. (d) double-shell hollow spheres.

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