Template-free synthesis of polyacrylonitrile-derived porous carbon nanoballs on graphene for efficient oxygen reduction in zinc–air batteries
Halima Begum, Mohammad Shamsuddin Ahmed, Seunghun Jung
Abstract
Introducing abundant active sites and improving their activity are two critical considerations for designing metal-free nitrogenous electrocatalysts for the oxygen reduction reaction (ORR) in energy conversion devices such as metal–air batteries and fuel cells.
Topics & Concepts
PolyacrylonitrileCarbon fibersOxygen reductionGrapheneOxygen reduction reactionMaterials scienceZincOxygenChemical engineeringPorosityFuel cellsMetalNanotechnologyChemistryMetallurgyElectrochemistryOrganic chemistryElectrodeComposite materialEngineeringPhysical chemistryPolymerComposite numberElectrocatalysts for Energy ConversionAdvanced battery technologies researchFuel Cells and Related Materials