Sequential and simultaneous ion transfer into carbon nanopores during charge–discharge cycles in electrical double layer capacitors
Hiroki Takamatsu, Md Sharif Khan, Takuya Araki, Koki Urita, Koki Urita, Tomonori Ohba
Abstract
Electrical double-layer capacitance was reduced not only by degradation of ions, but also by the presence of idle ions. Meanwhile, the fast relaxation of capacitance and slow ion dynamics facilitate charge–discharge efficiency in wide pores.
Topics & Concepts
CapacitanceIonMaterials scienceCapacitorRelaxation (psychology)Charge (physics)NanoporeLayer (electronics)Chemical physicsDegradation (telecommunications)Carbon fibersAnalytical Chemistry (journal)ElectrodeChemistryNanotechnologyVoltageComposite materialElectronic engineeringElectrical engineeringPhysical chemistryChromatographyPhysicsEngineeringSocial psychologyComposite numberQuantum mechanicsPsychologyOrganic chemistrySupercapacitor Materials and FabricationCarbon Nanotubes in CompositesGraphene research and applications