Fig. 2
From: High-performance bifunctional porous non-noble metal phosphide catalyst for overall water splitting
Electrocatalytic oxygen evolution reaction. a The polarization curves recorded on different catalysts. b The enlarged region of the curves in a. c The corresponding Tafel plots. d Comparison of the overpotentials required at 10 mA cm−2 among our catalyst and available reported OER catalysts. e Comparison of the current densities delivered at 300 mV among our catalyst and available reported OER catalysts. f Double-layer capacitance (Cdl) measurements of Ni2P and FeP/Ni2P catalysts. g Cyclic voltammetry (CV) curves of FeP/Ni2P before and after the acceleration durability test for 5000 cycles. h Time-dependent potential curve for FeP/Ni2P at 100 mA cm-2. Electrolyte: 1 M KOH
