A porous Co3O4-carbon paper electrode enabling nearly 100% electrocatalytic reduction of nitrate to ammonia
Xufeng Rao, Jiaying Yan, Koji Yokoyama, Xiaolin Shao, Chihiro Inoue, Mei-Fang Chien, Yuyu Liu
Abstract
Co3O4 was synthesized on carbon paper (CP) using a facile method to improve electrochemical nitrate-to-ammonia conversion efficiency. The resulting Co3O4-CP electrode demonstrated an exceptional Faradaic efficiency of almost 100% across a broad range of application conditions, with a peak NH3 yield of 3.43 mmol h−1 cm−2 (2.25 mol gCo−1 h−1).
Topics & Concepts
AmmoniaNitrateElectrochemistryElectrodeInorganic chemistryFaraday efficiencyCarbon fibersMaterials scienceYield (engineering)Chemical engineeringChemistryOrganic chemistryComposite materialPhysical chemistryComposite numberEngineeringAmmonia Synthesis and Nitrogen ReductionAdvanced Photocatalysis TechniquesNanomaterials for catalytic reactions