Abstract: To replace the precious metal ORR (oxygen reduction reaction) electrocatalysts, many transition metals and N-doped carbon composites have been proposed in last decade and acquire a rapid development as the promising non-precious metal catalysts. Herein, Ketjenblack carbon was adopted as the carbon precursor and fully mixed with the polymeric ionic liquid (PIL) of HvimNO₃ and Fe(NO₃)₃. This mixture was thermally calcined at 900 °C to produce a porous Fe, N co-doped carbon material denoted as the FeO_x-N/C. Due to the fact that the PIL of HvimNO₃ can strongly combine and disperse Fe³⁺ ions, and NO₃⁻ will be thermally pyrolyzed to form the porous structure, the FeO_x-N/C catalyst displays high electrocatalytic activity toward ORR in both 0.1 mol L⁻¹ KOH and 0.5 mol L⁻¹ H₂SO₄ electrolytes. The FeO_x-N/C is used as the catalyst to assemble a zinc-air battery, which exhibits a peak power density of 185 mW·cm⁻². The superior electrocatalytic activity, wide pH range, and facile preparation approach jointly make the FeO_x-N/C a promising electrocatalyst for the fuel cells and metal-air batteries in the future.