Hierarchical NaFePO<sub>4</sub> nanostructures in combination with an optimized carbon-based electrode to achieve advanced aqueous Na-ion supercapacitors
Sudipta Biswas, Debabrata Mandal, Trilok Singh, Amreesh Chandra
Abstract
An aqueous supercapacitor with hollow NaFePO 4 microsphere structures combined with rGO shows as high as a 1.7 V working potential window and can deliver a maximum energy density of 25.29 W h kg −1 capacity retention.
Topics & Concepts
SupercapacitorCapacitanceMaterials scienceAqueous solutionCarbon fibersEnergy storageElectrodeChemical engineeringCurrent densityIonNanotechnologyNanostructureElectrochemistryChemistryComposite numberComposite materialOrganic chemistryPhysicsEngineeringQuantum mechanicsPower (physics)Physical chemistrySupercapacitor Materials and FabricationAdvancements in Battery MaterialsAdvanced battery technologies research