Positive regulation of active sites for oxygen evolution reactions by encapsulating NiFe<sub>2</sub>O<sub>4</sub> nanoparticles in N-doped carbon nanotubes <i>in situ</i> to construct efficient bifunctional oxygen catalysts for rechargeable Zn–air batteries
Yibo Tang, Ying Lei, Guijun Li, Tiantian Fu, Yang Xiang, Jingqi Sha, Hai Yang, Yu Peng, Yujun Si, Chaozhong Guo
Abstract
Benefitting from the structure of NiFe 2 O 4 nanoparticles encapsulated in N-doped carbon nanotubes, the Fe–Me–Ni exhibits excellent catalytic activities for ORR and OER, and superior long term discharge–recharge durability.
Topics & Concepts
NanoparticleCarbon nanotubeCatalysisMaterials scienceOxygen evolutionDopingOxygenChemical engineeringIn situCarbon fibersReactive oxygen speciesNanotechnologyInorganic chemistryChemistryPhysical chemistryElectrodeElectrochemistryOrganic chemistryComposite materialOptoelectronicsBiochemistryEngineeringComposite numberElectrocatalysts for Energy ConversionAdvanced battery technologies researchFuel Cells and Related Materials