Oxygen vacancies in Co<sub>3</sub>O<sub>4</sub>nanoarrays promote nitrate electroreduction for ammonia synthesis
Xiang Xu, Long Hu, Zerong Li, Lisi Xie, Shengjun Sun, Longcheng Zhang, Jun Li, Yongsong Luo, Xuedong Yan, Mohamed S. Hamdy, Qingquan Kong, Xuping Sun, Qian Liu
Abstract
Oxygen vacancy-enriched Co 3 O 4 nanosheet arrays enable ambient electrosynthesis of NH 3 via nitrate reduction, achieving a faradaic efficiency of 96.9% and a NH 3 yield of 12 157 μg h −1 cm −2 in 0.1 M NaOH with 0.1 M NO 3 − .
Topics & Concepts
ElectrosynthesisAmmoniaOxygenYield (engineering)NitrateNanosheetInorganic chemistryAmmonia productionRedoxElectrochemistryMaterials scienceChemistryNanotechnologyPhysical chemistryElectrodeMetallurgyOrganic chemistryAmmonia Synthesis and Nitrogen ReductionCaching and Content DeliveryAdvanced Photocatalysis Techniques