Fig. 5: Electrocatalytic properties of the NCR nanohybrids.

a LSV curves. b Overpotential required to reach j = 10 mA cm−2. c Tafel plots of NCR nanohybrids and Ni–Co-LDH. d Charging current density differences plotted against scan rates of NCR10 and Ni–Co-LDH. e EIS spectra of NCR nanohybrids, and f chronopotentiometry measurements at j = 10 mA cm−2 of NCR10 and Ni–Co-LDH