Biomass derived robust Fe<sub>4</sub>N active sites supported on porous carbons as oxygen reduction reaction catalysts for durable Zn–air batteries
Xiangyu Lu, Peixia Yang, Hao Xu, Lihui Xiao, Lilai Liu, Ruopeng Li, Elena V. Alekseeva, Jinqiu Zhang, Oleg V. Levin, Maozhong An
Abstract
Fe 4 N active sites supported on porous carbons were prepared and exhibit excellent ORR performance. The Zn–air battery shows a peak power density of 182 mW cm −2 and a charge–discharge cycle over 1000 h.
Topics & Concepts
CatalysisPorosityMaterials scienceBattery (electricity)Oxygen reduction reactionChemical engineeringOxygenCarbon fibersBiomass (ecology)Oxygen reductionElectrodeInorganic chemistryChemistryComposite materialElectrochemistryOrganic chemistryPower (physics)Composite numberPhysical chemistryQuantum mechanicsOceanographyGeologyEngineeringPhysicsElectrocatalysts for Energy ConversionAdvanced battery technologies researchFuel Cells and Related Materials