High-Performance MnO<sub>2</sub> Nanowire/MoS<sub>2</sub> Nanosheet Composite for a Symmetrical Solid-State Supercapacitor
Dhirendra Sahoo, Jyoti Shakya, Sudipta Choudhury, Susanta Sinha Roy, Lalita Devi, Budhi Singh, Subhasis Ghosh, Bhaskar Kaviraj
Abstract
/g), optimum pore size distribution, a specific capacitance value of 212 F/g at 0.8 A/g, an energy density of 29.5 W h/kg, and a power density of 1316 W/kg. Besides, cyclic charging-discharging and retention tests manifest significant cycling stability with 84.1% capacitive retention after completing 5000 rapid charge-discharge cycles. It is believed that this unique, symmetric, lightweight, solid-state SC device may help accomplish a scalable approach toward powering forthcoming portable energy storage applications.
Topics & Concepts
Materials scienceNanosheetSupercapacitorExfoliation jointNanowireComposite numberNanocompositeCapacitanceHydrothermal circulationEnergy storageNanotechnologyChemical engineeringHydrothermal synthesisPower densityComposite materialElectrodeGraphenePower (physics)ChemistryPhysical chemistryPhysicsEngineeringQuantum mechanicsSupercapacitor Materials and FabricationMXene and MAX Phase MaterialsGraphene research and applications