Fig. 3

CV voltammograms of (a) pristine Ni(OH)2 and (b) high energy X-ray irradiated f-Ni(OH)2 electrodes in a three-electrode electrochemical cell in 1.0 M Na2SO4 electrolyte.
CV voltammograms of (a) pristine Ni(OH)2 and (b) high energy X-ray irradiated f-Ni(OH)2 electrodes in a three-electrode electrochemical cell in 1.0 M Na2SO4 electrolyte.