Scalable one-step electrochemical deposition of nanoporous amorphous S-doped NiFe₂O₄/Ni₃Fe composite films as highly efficient electrocatalysts for oxygen evolution with ultrahigh stability

Abstract

Self-supported 3D nanoporous amorphous S-doped NiFe₂O₄/Ni₃Fe composite films grown on nickel wire were fabricated<italic>via</italic>a facile and scalable one-step electrochemical deposition route in ethaline and developed as highly active and robustly stable electrocatalysts for OER in alkaline media.