Tuning the morphology of manganese oxide nanostructures for obtaining both high gravimetric and volumetric capacitance
Jones de A. Pereira, Janiny N. Lacerda, Izabella F. Coelho, Cauê Nogueira, D. F. Franceschini, Eduardo A. Ponzio, Fernando B. Mainier, Yutao Xing
Abstract
We prepared three distinct MnO<sub>2</sub> nanostructures, and 976 F g<sup>−1</sup> and 830 F cm<sup>−3</sup> at 5 mV s<sup>−1</sup> were obtained with a perpendicular columnar structure.
Topics & Concepts
Gravimetric analysisMorphology (biology)Manganese oxideManganeseMaterials scienceNanostructureOxideCapacitanceChemical engineeringNanotechnologyMetallurgyChemistryElectrodeGeologyEngineeringPhysical chemistryOrganic chemistryPaleontologyFerroelectric and Piezoelectric MaterialsSupercapacitor Materials and FabricationDielectric properties of ceramics