New pyrochlore La <sub>2</sub> Zr <sub>2</sub> O <sub>7</sub> ceramics with ultra-high breakdown electric field strength and energy storage efficiency
Teng Sui, Qin Feng, Nengneng Luo, Jinhong He, Haoxiang Huang, Changlai Yuan, Zhenyong Cen, Xiyong Chen
Abstract
The application potential of the La 2 Zr 2 O 7 ceramic as a lead-free dielectric capacitor was first proposed and investigated. The breakdown field strength is 1350 kV cm −1 , the energy storage density is 3.89 J cm −3 , and the efficiency is 89.78%.
Topics & Concepts
Materials sciencePyrochloreCeramicCapacitorDielectricEnergy storageElectric fieldElectric breakdownEngineering physicsMetallurgyOptoelectronicsElectrical engineeringVoltageThermodynamicsOrganic chemistryPhysicsEngineeringQuantum mechanicsPower (physics)Phase (matter)ChemistryFerroelectric and Piezoelectric MaterialsNuclear materials and radiation effectsMicrowave Dielectric Ceramics Synthesis