Study of the influence of the formation protocol on the SEI layer formed at the graphite electrode surface of a non-aqueous potassium-ion hybrid supercapacitor (KIC) through STEM and XPS analyses
Marie-Eve Yvenat, Benoit Chavillon, Eric Mayousse, Éric De Vito, Adrien Boulineau, Fabien Perdu, Philippe Azaïs
Abstract
A correlation between the evolution of the KF content in the SEI and the evolution of cycling performance of the non-aqueous potassium-ion hybrid supercapacitor (KIC).
Topics & Concepts
SupercapacitorX-ray photoelectron spectroscopyElectrodeAqueous solutionLayer (electronics)GraphiteMaterials scienceChemical engineeringPotassiumInorganic chemistryChemistryElectrochemistryNanotechnologyComposite materialMetallurgyOrganic chemistryPhysical chemistryEngineeringSupercapacitor Materials and FabricationAdvancements in Battery MaterialsAdvanced Battery Technologies Research