Sheet-like ZnCo<sub>2</sub>O<sub>4</sub> microspheres and pomelo peel waste-derived activated carbon for high performance solid state asymmetric supercapacitors
Kiran Kumar Reddy Reddygunta, Lidija Šiller, Aruna Ivaturi
Abstract
This study reports a novel asymmetric supercapacitor based on zinc cobalt oxide (ZnCo 2 O 4 ) as positive electrode and pomelo peel-based activated carbon (PPAC-4) as negative electrode with hydroxyethyl cellulose/potassium hydroxide gel electrolyte.
Topics & Concepts
MicrosphereSupercapacitorSolid-stateMaterials scienceChemical engineeringActivated carbonCarbon fibersChemistryComposite materialOrganic chemistryElectrochemistryElectrodeComposite numberPhysical chemistryAdsorptionEngineeringSupercapacitor Materials and Fabrication