NiO@CoSe<sub>2</sub> nanostructures for high-performance asymmetric supercapacitors and efficient electrocatalysts
Xingyu Liu, Mengdi Wang, Ahmad Umar, Xiang Wu
Abstract
We prepared core–shell structured NiO@CoSe 2 samples by a multi-step hydrothermal protocol. They exhibit a specific capacitance of 1130 C g −1 at a current density of 1 A g −1 and an overpotential of 82.8 mV@10 mA cm −2 respectively.
Topics & Concepts
SupercapacitorNon-blocking I/OMaterials scienceNanotechnologyNanostructureChemical engineeringChemistryCatalysisCapacitanceElectrodeOrganic chemistryEngineeringPhysical chemistrySupercapacitor Materials and FabricationElectrocatalysts for Energy ConversionAdvanced battery technologies research