Introducing oxygen vacancies in a bi-metal oxide nanosphere for promoting electrocatalytic nitrogen reduction

In this work, oxygen vacancy abundant NiMnO 3 achieves a superior NH 3 yield of 31.44 μg h −1 mg cat −1 at −0.3 V vs. RHE and a faradaic efficiency of 14.5% at −0.1 V vs. RHE.