Hierarchical porous carbons from carboxylated coal-tar pitch functional poly(acrylic acid) hydrogel networks for supercapacitor electrodes
Haiyang Wang, Chuan Zhou, Hongzhe Zhu, Yixuan Li, Shoukai Wang, Kaihua Shen
Abstract
in two-electrode system. The electrode also exhibits ultra-long cycle life with a capacitance retention as high as 94.2% after 10 000 cycles, indicating the good electrochemical stability. Furthermore, the concept of such hierarchical architecture and synthesis strategy would expand to other materials for advanced energy storage systems, such as Na-ion batteries and metal oxides for supercapacitors.
Topics & Concepts
SupercapacitorCarbonizationMaterials scienceChemical engineeringAcrylic acidElectrodeCapacitanceElectrochemistryPolymerCopolymerComposite materialChemistryPhysical chemistryEngineeringScanning electron microscopeSupercapacitor Materials and FabricationConducting polymers and applicationsAdvanced battery technologies research