Enhanced Energy Storage Characteristics of Bi(Mg0.5Ce0.5)O3 Modified (Sr0.7Bi0.2)TiO3 Lead-Free Ceramics

(1 − x )Sr 0.7 Bi 0.2 TiO 3 - x Bi(Mg 0.5 Ce 0.5 )O 3 ( x = 0.02, 0.04, 0.06, and 0.1) ceramics were prepared through the solid-state reaction method. Structural, microstructural, dielectric, and energy storage characteristics were thoroughly examined. A dense microstructure with a single perovski...

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Veröffentlicht in:	Journal of materials engineering and performance 2024-02, Vol.33 (3), p.1538-1547
Hauptverfasser:	Khan, Murad Ali, Manan, Abdul, Ur Rehman, Maqbool, Faisal, Shah, Shah, Abdul Hakim, Shah, Hidayat Ullah, Alresheedi, Faisal, Ghazi, Zahid Ali, Khan, Sami Ullah
Format:	Artikel
Sprache:	eng
Schlagworte:	Characterization and Evaluation of Materials Chemistry and Materials Science Corrosion and Coatings Engineering Design Materials Science Original Research Article Quality Control Reliability Safety and Risk Tribology
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Zusammenfassung:	(1 − x )Sr 0.7 Bi 0.2 TiO 3 - x Bi(Mg 0.5 Ce 0.5 )O 3 ( x = 0.02, 0.04, 0.06, and 0.1) ceramics were prepared through the solid-state reaction method. Structural, microstructural, dielectric, and energy storage characteristics were thoroughly examined. A dense microstructure with a single perovskite phase was obtained for x ≤ 0.06. A high energy storage density of ~ 1.86 J/cm 3 , recoverable energy density of ~ 1.67 J/cm 3 , and a high efficiency of ~ 90% at a breakdown electric field strength of 240 kV/cm were achieved for x = 0.06. Further, this composition also shows a Δ C / C 25°C in the range of − 55 to 135 °C. The above characteristics indicate that this material is a suitable candidate for power-pulsed capacitor applications.
ISSN:	1059-9495 1544-1024
DOI:	10.1007/s11665-023-08622-w