Multi-layer core–shell metal oxide/nitride/carbon and its high-rate electroreduction of nitrate to ammonia
Xiaoyu Li, Ping Deng, Mengqiu Xu, Zhenbo Peng, Yuhu Zhou, Gan Jia, Wei Ye, Peng Gao, Wei Wang
Abstract
An anti-perovskite Fe 4 N-based electrocatalyst (MoO 2 /Fe 4 N/C) shows excellent catalytic activity for the NO 3 RR, such as 11.10 mol NH 3 g cat. −1 h −1 NH 3 yield rate with a superior 99.3% faradaic efficiency and the highest half-cell energy efficiency of 30%.
Topics & Concepts
ElectrocatalystCatalysisOxideAmmoniaInorganic chemistryNitrideMaterials scienceDisproportionationPerovskite (structure)CarbonationChemical engineeringElectrolyteChemistryElectrochemistryNanotechnologyLayer (electronics)ElectrodeMetallurgyComposite materialOrganic chemistryEngineeringPhysical chemistryAmmonia Synthesis and Nitrogen ReductionAdvanced Photocatalysis TechniquesNanomaterials for catalytic reactions