Compositionally variant bimetallic Cu–Mn oxysulfide electrodes with meritorious supercapacitive performance and high energy density
Heba M. El Sharkawy, Abdussalam M. Elbanna, Ghada E. Khedr, Nageh K. Allam
Abstract
The fabricated asymmetric supercapacitor device (Cu 3 Mn 1 OS//AC) exhibits a very high energy density of 76.56 W h kg −1 along with a power density of 985.01 W kg −1 at 1 A g −1 with superior electrochemical stability and efficiency over 10 000 cycles.
Topics & Concepts
Bimetallic stripMaterials sciencePower densitySupercapacitorElectrochemistryEnergy densityElectrodeOptoelectronicsMetallurgyPower (physics)ChemistryEngineering physicsPhysical chemistryThermodynamicsMetalPhysicsEngineeringSupercapacitor Materials and FabricationCatalytic Processes in Materials Science