High efficiency coupled electrocatalytic CO2 reduction to C2H4 with 5-hydroxymethylfurfural oxidation over Cu-based nanoflower electrocatalysts

CO 2 electroreduction and 5-hydroxymethylfurfural electrooxidation were coupled together over Cu base nanoflower catalyst and faradaic efficiency of FDCA and C 2 H 4 reached to 96.6% and 74.5% respectively at a cell voltage of 2.75 V.