Enhanced performance of supercapacitors by constructing a “mini parallel-plate capacitor” in an electrode with high dielectric constant materials
Huayao Tu, Shouzhi Wang, Hehe Jiang, Zhenyan Liang, Dong Shi, Yongliang Shao, Jianxing Shen, Yongzhong Wu, Xiaopeng Hao
Abstract
The carbon fiber/metal oxide/metal oxynitride layer sandwich structure is constructed in the electrode to form a mini-plate capacitor. High dielectric constant metal oxides act as dielectric to increase their capacitance.
Topics & Concepts
DielectricCapacitanceMaterials scienceCapacitorElectrodeSupercapacitorHigh-κ dielectricComposite materialOxideMetalOptoelectronicsElectrical engineeringChemistryMetallurgyVoltageEngineeringPhysical chemistrySupercapacitor Materials and FabricationConducting polymers and applicationsAdvanced Sensor and Energy Harvesting Materials