Three-dimensional nitrogen and oxygen co-doped hierarchical porous carbons prepared from polyacrylonitrile/polyamic acid composite films for supercapacitors
Ruijie Li, Zhipeng Shen, Haoyu Zheng, Lu Jin, Yonggang Zhang, Weiyong Yuan, Xuefei Wang
Topics & Concepts
PolyacrylonitrileSupercapacitorMaterials scienceCarbonizationChemical engineeringComposite numberCarbon fibersHeteroatomSpecific surface areaActivated carbonCapacitanceElectrochemistryPorosityAdsorptionPolymerCatalysisComposite materialElectrodeChemistryOrganic chemistryScanning electron microscopeEngineeringRing (chemistry)Physical chemistrySupercapacitor Materials and FabricationFuel Cells and Related MaterialsElectrocatalysts for Energy Conversion