High energy storage properties of Nd(Mg2/3Nb1/3)O3 modified Bi0.5Na0.5TiO3 lead-free ceramics

Pan, Yu; Dai, Zhonghua; Liu, Chenxi; Zhao, Xin; Yasui, Shintaro; Cong, Yu; Gu, Shuitao

doi:10.1007/s10853-024-09440-8

J Mater Sci

2024

DOI: 10.1007/s10853-024-09440-8

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High energy storage properties of Nd(Mg2/3Nb1/3)O3 modified Bi0.5Na0.5TiO3 lead-free ceramics

Yu Pan,

Zhonghua Dai,

Chenxi Liu

et al.

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Cited by 2 publications

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Enhanced recoverable energy density in Ca0.7Sm0.2TiO3-modified Bi0.5Na0.5TiO3–SrTiO3 ceramic capacitors

Lu,

Zhang,

Zhao

et al. 2024

J Mater Sci

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Enhanced recoverable energy density in Ca0.7Sm0.2TiO3-modified Bi0.5Na0.5TiO3–SrTiO3 ceramic capacitors

Lu,

Zhang,

Zhao

et al. 2024

J Mater Sci

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Enhancing Energy Storage Performance of 0.85Bi0.5Na0.5TiO3-0.15LaFeO3 Lead-Free Ferroelectric Ceramics via Buried Sintering

Zhang,

Jia,

Yang

et al. 2024

Materials

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Bismuth sodium titanate (Bi0.5Na0.5TiO3, BNT) ceramics are expected to replace traditional lead-based materials because of their excellent ferroelectric and piezoelectric characteristics, and they are widely used in the industrial, military, and medical fields. However, BNT ceramics have a low breakdown field strength, which leads to unsatisfactory energy storage performance. In this work, 0.85Bi0.5Na0.5TiO3-0.15LaFeO3 ceramics are prepared by the traditional high-temperature solid-phase reaction method, and their energy storage performance is greatly enhanced by improving the process of buried sintering. The results show that the buried sintering method can inhibit the formation of oxygen vacancy, reduce the volatilization of Bi2O3, and greatly improve the breakdown field strength of the ceramics so that the energy storage performance can be significantly enhanced. The breakdown field strength increases from 210 kV/cm to 310 kV/cm, and the energy storage density increases from 1.759 J/cm3 to 4.923 J/cm3. In addition, the energy storage density and energy storage efficiency of these ceramics have good frequency stability and temperature stability. In this study, the excellent energy storage performance of the ceramics prepared by the buried sintering method provides an effective idea for the design of lead-free ferroelectric ceramics with high energy storage performance and greatly expands its application field.

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High energy storage properties of Nd(Mg2/3Nb1/3)O3 modified Bi0.5Na0.5TiO3 lead-free ceramics

Cited by 2 publications

References 52 publications

Enhanced recoverable energy density in Ca0.7Sm0.2TiO3-modified Bi0.5Na0.5TiO3–SrTiO3 ceramic capacitors

Enhanced recoverable energy density in Ca0.7Sm0.2TiO3-modified Bi0.5Na0.5TiO3–SrTiO3 ceramic capacitors

Enhancing Energy Storage Performance of 0.85Bi0.5Na0.5TiO3-0.15LaFeO3 Lead-Free Ferroelectric Ceramics via Buried Sintering

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