Boosting nitrate electroreduction to ammonia on NbO<sub><i>x</i></sub><i>via</i> constructing oxygen vacancies
Xuefei Wan, Weiwei Guo, Xue Dong, Haihong Wu, Xiaofu Sun, Mengen Chu, Shitao Han, Jianxin Zhai, Wei Xia, Shuaiqiang Jia, Mingyuan He, Buxing Han
Abstract
A NbO x catalyst with oxygen vacancies is synthesized and used for nitrate electroreduction to ammonia. The faradaic efficiency of 94.5% and the NH 3 formation rate of 55.0 μg h −1 mg cat −1 can be achieved in a neutral electrolyte.
Topics & Concepts
AmmoniaNitrateOxygenInorganic chemistryNatural bond orbitalCatalysisElectrolyteChemistryFaraday efficiencyPhysical chemistryElectrodeComputational chemistryOrganic chemistryDensity functional theoryAmmonia Synthesis and Nitrogen ReductionHydrogen Storage and MaterialsCaching and Content Delivery