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Prussian-blue-derived FeS2 spheres with abundant pore canals for efficient hydrogen evolution reaction
CHEMICAL ENGINEERING SCIENCE [2022]
ABSTRACT
A simple method is demonstrated to fabricate novel FeS 2 spheres with abundant pore canals from Prussian-blue. Impressively, the porous FeS 2 spheres exhibit excellent hydrogen evolution performance in both acidic and alkaline media, deverling an overpotential of 136 mV and 158 mV to attain a current density of 10 mA cm −2 in 0.5 M H 2 SO 4 and 1.0 M KOH, respectively.
MATERIALS