High energy storage density and low energy loss achieved by inserting charge traps in all organic dielectric materials
Meirong Zhang, Bofeng Zhu, Xiao Zhang, Shaobo Tan, Honghong Gong, Xiaoyong Wei, Zhicheng Zhang
Abstract
An innovative strategy of introducing space charge traps to dielectric materials is developed by copolymerization of MMA with conjugated VK, which enables superior energy storage performance ( U e = 15.7 J cm −3 @ 750 MV m −1 , η = 88%).
Topics & Concepts
DielectricMaterials scienceSpace chargeEnergy storageCharge (physics)OptoelectronicsCopolymerEnergy densityEnergy (signal processing)Engineering physicsPolymerPhysicsComposite materialElectronThermodynamicsPower (physics)Quantum mechanicsDielectric materials and actuatorsAdvanced Sensor and Energy Harvesting MaterialsFerroelectric and Piezoelectric Materials