Electrochimica Acta
Electrochimica Acta
5 years ago

Controlled Synthesis of Unique Porous FeSe2 Nanomesh Arrays towards Efficient Hydrogen Evolution Reaction

Controlled Synthesis of Unique Porous FeSe2 Nanomesh Arrays towards Efficient Hydrogen Evolution Reaction
Commonly, novel morphology can obviously lead to superior performance. Herein, we have firstly synthesized porous FeSe2 nanomesh arrays grown on titanium foil, which exhibit remarkable performance during hydrogen evolution reaction (HER). Our sample is fabricated via a general wet-chemical process and then one-step calcination. It is worth noting that the FeSe2 is tightly stuck on the surface of titanium plate, which could result in enhanced stability in the long-time operation for HER. Moreover, the porous structure could provide large specific surface area and probably more active sites for electrolysis. Based on the above advantages, the as-synthesized material shows a low overpotential of 175mV at 10mAcm−2 and excellent stability with 4% increase in overpotential under a constant current density of 10mAcm−2 for 24h in 0.5M H2SO4 solution.

Publisher URL: www.sciencedirect.com/science

DOI: S0013468617314561

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