NiWO<sub>4</sub>nanoparticles with oxygen vacancies: high-efficiency electrosynthesis of ammonia with selective reduction of nitrite
Hang Qiu, Qiuyue Chen, Jing Zhang, Xuguang An, Qian Liu, Lisi Xie, Weitang Yao, Xuping Sun, Qingquan Kong
Abstract
Monoclinic NiWO 4 nanoparticles with oxygen vacancies self-supported on nickel foam act as an efficient electrocatalyst for selective NO 2 − reduction to NH 3 , offering an NH 3 yield of ∼10 974.36 μg h −1 cm −2 and a faradaic efficiency of ∼97.6%.
Topics & Concepts
ElectrosynthesisElectrocatalystYield (engineering)Faraday efficiencyNitriteAmmoniaNanoparticleOxygenInorganic chemistryMonoclinic crystal systemChemistryMaterials scienceNuclear chemistryElectrochemistryNanotechnologyElectrodeMetallurgyOrganic chemistryPhysical chemistryNitrateCrystal structureAmmonia Synthesis and Nitrogen ReductionCaching and Content DeliveryAdvanced Photocatalysis Techniques