Electrosynthesis of pure urea from pretreated flue gas in a proton-limited environment established in a porous solid-state electrolyte electrolyserbig tee tech hubApril 22, 2025 Mao, Y. et al. Ambient electrocatalytic synthesis of urea by co-reduction of NO3− and CO2 over graphene-supported In2O3. Chin. Chem.…