Facile synthesis of Nickel-iron based electrocatalyst anodes for efficient oxygen evolution reaction

In this research, we reported facile synthesis of efficient N i 3 F e electrocatalyst nanostructures deposited on conducting carbon fibers surface by a simple chemical bath deposition method at moderate temperature. The composition, phase and electrocatalytic property of as-prepared binder-free electrocatalyst was characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), and electrochemical measurements. The as-synthesized N i 3 F e @ t − C F presented excellent performance and durability as water oxidation electrocatalyst in alkaline electrolyte owing to non-segregated deposition of N i 3 F e nanostructures on conducting surface of carbon, high electrochemical surface area, and the fast absorption and desorption of water molecules during oxygen evolution reaction due to the 3 D architecture of conducting interlaced carbon fibers template.