Excellent energy storage performance of (Sc<sub>0.5</sub>Ta<sub>0.5</sub>)<sup>4+</sup> modified (Bi<sub>0.5</sub>Na<sub>0.5</sub>)TiO<sub>3</sub>-based ceramics modulated by the evolution of polar phases
Bin He, T. Ochirkhuyag, Wuwei Feng, Meitang Liu, Shuo Liu, Zhidi Bao, Cheng Hu, Yi Zhong, Dorj Odkhuu
Abstract
An ultrahigh energy storage performance is achieved in the BNST-20% (Sc 0.5 Ta 0.5 ) 4+ ceramic via chemical modification, which could induce the evolution of oxygen vacancies and local polar phases to achieve a high saturation polarization.
Topics & Concepts
Materials scienceSaturation (graph theory)CeramicOxygenPolarization (electrochemistry)Analytical Chemistry (journal)PolarEnergy storageChemistryThermodynamicsPhysical chemistryPhysicsMetallurgyMathematicsCombinatoricsOrganic chemistryPower (physics)AstronomyChromatographyFerroelectric and Piezoelectric MaterialsMicrowave Dielectric Ceramics SynthesisMultiferroics and related materials