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Modulating Mn4+ Ions and Oxygen Vacancies in Nonstoichiometric LaMnO3 Perovskite by a Facile Sol-Gel Method as High-Performance Supercapacitor Electrodes

Materials ScienceEngineeringAdvanced Electrode MaterialHigh-performance Supercapacitor ElectrodesNonstoichiometric Lamno3 PerovskiteEnergy StorageSupercapacitorChemistryMn4+ IonsElectrochemical Double Layer CapacitorFunctional MaterialsElectrochemistry