Cation-exchange-assisted formation of NiS/SnS<sub>2</sub> porous nanowalls with ultrahigh energy density for battery–supercapacitor hybrid devices
Shundong Guan, Xiuli Fu, Bo Zhang, Ming Lei, Zhijian Peng
Abstract
Cation-exchange method is developed to synthesize vertically aligned NiS/SnS<sub>2</sub> porous nanowalls for aqueous battery–supercapacitor hybrid devices with ultrahigh specific capacity.
Topics & Concepts
SupercapacitorBattery (electricity)Materials sciencePorosityEnergy densityEnergy storageNanotechnologyAqueous solutionChemical engineeringElectrodeElectrochemistryChemistryComposite materialEngineering physicsEngineeringPhysicsPhysical chemistryPower (physics)Quantum mechanicsSupercapacitor Materials and FabricationAdvanced battery technologies researchAdvancements in Battery Materials