Origin of the catalytic activity at graphite electrodes in vanadium flow batteries
Hannes Radinger, Ahmad Ghamlouche, Helmut Ehrenberg, Frieder Scheiba
Abstract
Deoxygenated graphite electrodes exhibited an overall higher electrocatalytic activity than the oxygen-rich starting material. Free edge sites were therefore identified as the origin of the charge transfer process for the vanadium redox reactions.
Topics & Concepts
VanadiumGraphiteElectrodeRedoxCatalysisInorganic chemistryOxygenMaterials scienceChemistryMetallurgyOrganic chemistryPhysical chemistryAdvanced battery technologies researchElectrocatalysts for Energy ConversionSupercapacitor Materials and Fabrication