Fig. 3: Cyclic voltammograms of the CuOxZnOy catalysts.
From: Carbon dioxide and nitrate co-electroreduction to urea on CuOxZnOy

a cyclic voltammograms of the CuOxZnOy catalysts in 0.1 M Na2SO4 (blank), (b) cyclic voltammograms of the CuOxZnOy catalysts in 0.1 M Na2SO4 and 0.1 M NaNO3 and (c) cyclic voltammograms of the CuOxZnOy catalysts in 0.1 M Na2SO4 and 0.1 M NaNO3 with CO2. Scan rate: 10 mV/s.