Highly efficient FexNi1−xOy/CP electrode prepared via simple soaking and heating treatments for electrocatalytic water oxidation

A stable and efficient FexNi1−xOy/CP electrode was fabricated for OER and displayed a current density of ∼50 mA/cm2 at over potential of 290 mV and a Tafel slope of 43 mV/dec in 1.0 M KOH solution.179