Screening transition metal electrodes for achieving near 100% selectivity to urea via electroreduction of NO 3 − and CO 2 at 100 mA cm −2 current density

Electrochemical synthesis offers a sustainable approach to convert waste NO 3 − and CO 2 into urea under ambient conditions. Here, we report Ag as a highly active catalyst achieving ∼100% selectivity and −100 mA cm −2 urea current density.