Electrochemical ammonia synthesis<i>via</i>nitrate reduction on perovskite La<sub><i>x</i></sub>FeO<sub>3−<i>δ</i></sub>with enhanced efficiency by oxygen vacancy engineering
Qi Yin, Shihao Hu, Jingwen Liu, Hao Zhou
Abstract
The oxygen vacancy-rich perovskite La 0.9 FeO 3− δ was employed as an electrocatalyst to reduce nitrate to ammonia and obtained the highest NH 3 yield of 1024.8 μg h −1 cm −2 at −1.0 V ( vs. RHE) and a faradaic efficiency of 78.1% at −0.8 V ( vs. RHE).
Topics & Concepts
ElectrocatalystPerovskite (structure)AmmoniaElectrochemistryFaraday efficiencyAmmonia productionInorganic chemistryOxygenNitrateVacancy defectMaterials scienceYield (engineering)ChemistryElectrodePhysical chemistryMetallurgyCrystallographyOrganic chemistryAmmonia Synthesis and Nitrogen ReductionAdvanced Photocatalysis TechniquesCaching and Content Delivery