Alleviated Mn<sup>2+</sup> dissolution drives long-term cycling stability in ultrafine Mn<sub>3</sub>O<sub>4</sub>/PPy core–shell nanodots for zinc-ion batteries
Le Jiang, Fei Ye, Zeyi Wu, Lin Zhang, Qiang Liu, Zilong Tang, Linfeng Hu
Abstract
An ultrafine Mn 3 O 4 /polypyrrole core–shell cathode displays superior cycling stability for aqueous zinc-ion batteries owing to the improved electron/ion conductivity, alleviated Mn 2+ dissolution and enhanced structural stability after PPy coating.
Topics & Concepts
DissolutionMaterials scienceCathodeNanodotIonConductivityZincAqueous solutionPolypyrroleCoatingChemical engineeringCyclingElectrochemistryInorganic chemistryElectrodeMetallurgyNanotechnologyChemistryPhysical chemistryArchaeologyEngineeringHistoryOrganic chemistryAdvanced battery technologies researchAdvancements in Battery MaterialsAdvanced Battery Materials and Technologies