In Situ Derived Fe/FexOy Janus Electrocatalyst for Efficient Nitrate-to-Ammonia Conversion via Intensifying Nitrate Affinity and Active Hydrogen Supply.
Electrochemical nitrate reduction (NO3RR) offers a low-carbon, infrastructure-light route to ammonia (NH3), but is limited by the kinetically demanding nitrate adsorption/activation step and an insufficient supply of active hydrogen (*H) to in situ generated N-containing intermediates. Conventional tandem catalysts add...