Litcius/Paper detail

Energy storage properties and transparency in (Ba <sub>0.6</sub> Sr <sub>0.4</sub> ) <sub>1‐1.5x</sub> Bi <sub>x</sub> Ti <sub>1‐x</sub> (Mg <sub>1/3</sub> Nb <sub>2/3</sub> ) <sub>x</sub> O <sub>3</sub> ceramics

Yuming Li, J.J. Bian

2023International Journal of Applied Ceramic Technology13 citationsDOI

Abstract

Abstract Fully densified (transparent) ceramic with small grain size is highly desired to improve the field breakdown strength (BDS) and its scattering. Sintering behavior, microstructural evolution, electric, dielectric, and energy storage properties of (Ba 0.6 Sr 0.4 ) 1‐1.5x Bi x Ti 1‐x (Mg 1/3 Nb 2/3 ) x O 3 ( x = .04–.10) ceramics have been studied in this paper. Phase pure cubic perovskite is observed for the x = .04 composition. Nb‐rich tungsten bronze type and Ti‐rich barium titanate secondary phases are present in the x &gt; .05 compositions. A multiphasic transparent ferroelectric ceramic with ∼74.2% (780 nm) transmittance and a high refractive index of ∼2.3 within the visible region could be successfully obtained for the x = .10 composition by traditional ceramic process. The x = .09 composition demonstrates good energy storage performance (recoverable energy density W rec = 3.74J/cm 3 , efficiency η = 77% and BDS = 390kV/cm) with extremely low scattering in BDS, suggesting potential application in large sized energy storage capacitor.

Topics & Concepts

Materials scienceDielectricCeramicSinteringTungstenEnergy storageAnalytical Chemistry (journal)Barium titanateFerroelectricityMineralogyComposite materialOptoelectronicsMetallurgyThermodynamicsPhysicsPower (physics)ChemistryChromatographyFerroelectric and Piezoelectric MaterialsMicrowave Dielectric Ceramics SynthesisMultiferroics and related materials
Energy storage properties and transparency in (Ba <sub>0.6</sub> Sr <sub>0.4</sub> ) <sub>1‐1.5x</sub> Bi <sub>x</sub> Ti <sub>1‐x</sub> (Mg <sub>1/3</sub> Nb <sub>2/3</sub> ) <sub>x</sub> O <sub>3</sub> ceramics | Litcius