Nanostructured Bimetallic Iron Molybdenum Nitride as a Non-Precious Cathode Catalyst for Li–O₂ Batteries.

Herein we report the facile fabrication and electrocatalytic activity of nanostructured bimetallic iron molybdenum nitride (Fe₃Mo₃N), which was prepared by an ammonolysis process directly towards the solid state mixture of Mo precursor and Fe precursor. The prepared nanostructured Fe₃Mo₃N presented remarkable electrocatalytic activities towards both oxygen reduction reaction and oxygen evolution reaction in nonaqueous phase, due to the modulation of electronic configuration of catalyst by Fe element and porous structure. Then, lithium-O₂ batteries with nanostructured Fe₃Mo₃N as cathode catalysts were assembled, which show alleviated polarization and enhanced cyclability.