Unveiling the reaction mechanism of capacity reactivation in silver vanadate cathodes for aqueous zinc-ion batteries
Ziqing Wang, Jiefeng Diao, Kenta Kawashima, Jason A. Weeks, Rinish Reddy Vaidyula, Raúl A. Márquez, Nathan Miller, Graeme Henkelman, C. Buddie Mullins
Abstract
Capacity reactivation involves the reconstruction of the cathode. Zn 3 (OH) 2 V 2 O 7 ·2H 2 O, showing intercalation pseudocapacitive behavior, forms in situ on the Ag 0.33 V 2 O 5 cathode to prevent cathodic dissolution and activate the capacity.
Topics & Concepts
CathodeVanadateDissolutionAqueous solutionIntercalation (chemistry)ElectrochemistryIonCathodic protectionInorganic chemistryMaterials scienceChemistryChemical engineeringElectrodePhysical chemistryOrganic chemistryEngineeringAdvanced battery technologies researchSupercapacitor Materials and FabricationElectrocatalysts for Energy Conversion