N–self–doped hierarchically porous carbon materials from waste coffee grounds for symmetric supercapacitor
Fanen Zeng, Zhen Tan, Xun Yang, Xiamei Wang, Bing Xu
Topics & Concepts
SupercapacitorCoffee groundsCarbon fibersDopingMaterials sciencePorosityNanotechnologyChemical engineeringComposite materialChemistryEngineeringElectrodeOptoelectronicsElectrochemistryComposite numberAgricultural engineeringPhysical chemistrySupercapacitor Materials and FabricationAdvancements in Battery MaterialsAdvanced Battery Technologies Research