Fatigue resistant lead-free multilayer ceramic capacitors with ultrahigh energy density
Ge Wang, Zhilun Lu, Huijing Yang, Hongfen Ji, Ali Mostaed, Linhao Li, Yiqi Wei, Antonio Feteira, Shi‐Kuan Sun, Derek C. Sinclair, Dawei Wang, Ian M. Reaney
Abstract
Electrical homogeneity is vital in optimising energy storage performance in BiFeO<sub>3</sub>–BaTiO<sub>3</sub>–<italic>x</italic>Bi(Li<sub>0.5</sub>Nb<sub>0.5</sub>)O<sub>3</sub> ceramic multilayer capacitors, giving rise to high recoverable energy density ∼13.8 J cm<sup>−3</sup> under electric field ∼950 kV cm<sup>−1</sup> and fatigue resistance behaviour.
Topics & Concepts
CapacitorCeramicMaterials scienceHomogeneity (statistics)Ceramic capacitorEnergy densityElectric fieldElectrical engineeringOptoelectronicsEngineering physicsComposite materialVoltagePhysicsEngineeringMathematicsQuantum mechanicsStatisticsFerroelectric and Piezoelectric MaterialsMultiferroics and related materialsDielectric properties of ceramics