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CO2 utilization,including electrochemical reduction of CO2 to fuels and useful chemicals,is explored to valorize carbon emissions[1-12].The value of CO2 electroreduction products originates from their C-H,C-C,and C-O bonds.To further increase the value and expand the scope of products,it is desirable to integrate C-N bond formation with the electrochemical reduction of CO2.One of such possibilities is to include nitrate (NO3-) as a reactant,whose exces-sive presence in water can pose risk to drinking water and cause geological issues such as eutrophication [13,14].