Exploring the energy storage density in 60Bi2O3–10SrO-30Fe2O3 lead-free relaxor glass for designing energy storage devices

Relaxor multiferroic properties of nanostructured 0.30BaTiO3–0.52Bi2O3–0.18Fe2O3 mol% (BFBT) were prepared via the mechanical activation method. The mixed powders were ball milled at 10, 20, 30, 50 and 75 h to obtain nanostructured materials. Room temperature XRD patterns for these nanostructured materials at different ball-milling times were investigated. The ball milled of nanostructured BFBT at different ball-milling times is characterized and identified by FTIR. After 50 h, HRTEM revealed the nanostructure of BFBT with an average particle size of 27.86 nm. Dielectric characterization showed a broad and frequency-dependent diffusion in phase transition around 560 K that shifted to the higher temperature with increasing frequency. The dielectric diffusivity (Υ = 1.78) was calculated from the modified Curie–Weiss law. Dielectric permitivitty (ε′) data were fitted using the Vogel–Fulcher relation, confirming the relaxor nature. Furthermore, the slim P-E hysteresis loop demonstrates recoverable energy density (Wrec = 16.17 mJ/cm3) and energy storage efficiency (η = 89.3%) at 360 K. The Néel Temperature (TN = 394 K) was determined by the magnetic susceptibility measurements. The M-H date shows a weak ferromagnetic behavior of the 50 h mechanical milled sample. Therefore, the presented work provides guidelines for synthesizing nanostructured BFBT by mechanical milling for the development of high-potential lead-free energy storage applications.

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Relaxor multiferroic properties of nanostructured BaTiO3–Fe2O3–Bi2O3 lead free for energy storage applications

El‐Desoky

Gazouly

Hannor

et al. 2022

Appl. Phys. A

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Structure analyses and ferroelectric behaviour of barium titanate-doped glass–ceramic nanocrystals for energy storage applications

et al. 2023

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Impedance spectroscopy, ferroelectric and ferromagnetic properties of 60Bi2O3–10SrO–30Fe2O3 glass-ceramic nano-composites for energy storage applications

Ali,

Hannora,

Wally

et al. 2024

Ceramics International

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Exploring the energy storage density in 60Bi2O3–10SrO-30Fe2O3 lead-free relaxor glass for designing energy storage devices

Cited by 6 publications

References 34 publications

Relaxor multiferroic properties of nanostructured BaTiO3–Fe2O3–Bi2O3 lead free for energy storage applications

Relaxor multiferroic properties of nanostructured BaTiO3–Fe2O3–Bi2O3 lead free for energy storage applications

Structure analyses and ferroelectric behaviour of barium titanate-doped glass–ceramic nanocrystals for energy storage applications

Impedance spectroscopy, ferroelectric and ferromagnetic properties of 60Bi2O3–10SrO–30Fe2O3 glass-ceramic nano-composites for energy storage applications

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