Fig. 5From: Morphology controlled synthesis of 2-D Ni–Ni3S2 and Ni3S2 nanostructures on Ni foam towards oxygen evolution reactionElectrochemical OER performance. a Polarization curves of SW Ni–Ni3S2/NF, HC–Ni3S2/NF and bare NF at a scan rate of 1 mV/s, b corresponding Tafel plots and c the chronopotentiometry test [Electrolyte: 1 M KOH and CV scan rate 1 mV/s]Back to article page