Hierarchical porous carbon aerogels as a versatile electrode material for high-stability supercapacitors
Kai Yang, Qingwen Fan, Yuchun Zhang, Gangxin Ren, Xinfeng Huang, Peng Fu
Abstract
Carbon aerogels with 3D hierarchical porous structure were successfully fabricated. CA-AA exhibited 138 F g −1 at 1 A g −1 superior to cellulose-based active carbon. During 5000 cycles at 1 A g −1 , the capacitance retention ratio of CA-AA exceeds 100%.
Topics & Concepts
SupercapacitorCapacitanceMaterials sciencePorosityCarbon fibersChemical engineeringElectrodeCelluloseBacterial celluloseNanotechnologyComposite materialChemistryComposite numberPhysical chemistryEngineeringSupercapacitor Materials and FabricationAerogels and thermal insulationAdvanced Sensor and Energy Harvesting Materials