Hierarchical pipe cactus-like Ni/NiCo-LDH core–shell nanotube networks as a self-supported battery-type electrode for supercapacitors with high volumetric energy density
Khaled M. Amin, Konrad Krois, Falk Muench, Bastian J. M. Etzold, Wolfgang Ensinger
Abstract
An ultrathin 3D NiCo-LDH@Ni-NTNW electrode for supercapacitors demonstrates an ultrahigh volumetric capacity and excellent cycling stability. The assembled hybrid supercapacitor delivers a record-high volumetric energy density of 14.7 mWh cm −3 .
Topics & Concepts
SupercapacitorMaterials scienceBattery (electricity)ElectrodeCore (optical fiber)Energy storageEnergy densityNanotechnologyOptoelectronicsComposite materialCapacitanceEngineering physicsChemistryEngineeringPhysicsPhysical chemistryQuantum mechanicsPower (physics)Supercapacitor Materials and FabricationAdvanced battery technologies researchAdvancements in Battery Materials