Optimization of energy storage properties in (1<inline-formula><math display="inline" overflow="scroll" xmlns:mml="http://www.w3.org/1998/Math/MathML"><mo stretchy="false" class="MathClass-bin">−</mo><mi>x</mi></math></inline-formula>)Na<inline-formula><math display="inline" overflow="scroll" xmlns:mml="http://www.w3.org/1998/Math/MathML"><msub><mrow /><mrow><mn>0</mn><mo class="MathClass-punc">.</mo><mn>5</mn></mrow></msub></math></inline-formula>Bi<inline-formula><math display="inline" overflow="scroll" xmlns:mml="http://www.w3.org/1998/Math/MathML"><msub><mrow /><mrow><mn>0</mn><mo class="MathClass-punc">.</mo><mn>5</mn></mrow></msub></math></inline-formula>TiO<sub>3</sub>-<inline-formula><math display="inline" overflow="scroll" xmlns:mml="http://www.w3.org/1998/Math/MathML"><mi>x</mi></math></inline-formula>Sr<inline-formula><math display="inline" overflow="scroll" xmlns:mml="http://www.w3.org/1998/Math/MathML"><msub><mrow /><mrow><mn>0</mn><mo class="MathClass-punc">.</mo><mn>7</mn></mrow></msub></math></inline-formula>La<inline-formula><math display="inline" overflow="scroll" xmlns:mml="http://www.w3.org/1998/Math/MathML"><msub><mrow /><mrow><mn>0</mn><mo class="MathClass-punc">.</mo><mn>2</mn></mrow></msub></math></inline-formula>TiO<sub>3</sub>-relaxed ferroelectric ceramics

Ziyue Ma; Jianye Zhu; Jianhua Wu; Yanhua Hu; Xiaojie Lou; Ningning Sun; Ye Zhao; Yong Li; Xihong Hao

doi:10.1142/S2010135X22420036

Journal of Advanced Dielectrics, Volume. 13, Issue 1, 2242003(2023)

Optimization of energy storage properties in (1 $- x$ )Na $_{0.5}$ Bi $_{0.5}$ TiO₃- $x$ Sr $_{0.7}$ La $_{0.2}$ TiO₃-relaxed ferroelectric ceramics

Ziyue Ma^1、∥, Jianye Zhu^1、∥, Jianhua Wu¹, Yanhua Hu², Xiaojie Lou³, Ningning Sun¹, Ye Zhao¹, Yong Li^1、*, and Xihong Hao^1、**

Author Affiliations

¹Inner Mongolia Key Laboratory of Ferroelectric-Related New Energy Materials and Devices, School of Materials and Metallurgy, Inner Mongolia University of Science and Technology, Baotou, Inner Mongolia 014010, P. R. China

²Department of Chemical Engineering, Ordos Institute of Technology, Ordos, Inner Mongolia 017000, P. R. China

³Frontier Institute of Science and Technology and State Key Laboratory for Mechanical Behavior of Materials Xi’an Jiaotong University, Xi’an, Shaanxi 710049, P. R. China

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Ferroelectric materials are considered to be the most competitive energy storage materials for applications in pulsed power electronics due to excellent charge–discharge properties. However, the low energy storage density is the primary problem limiting their practical application. In this study, (1 $- x$ )Na $_{0.5}$ Bi $_{0.5}$ TiO₃ – $x$ Sr $_{0.7}$ La $_{0.2}$ TiO₃[(1 $- x$ )NBT– $x$ SLT] ferroelectric ceramics are found to exhibit excellent energy storage performances through a synergistic strategy. As the SLT concentration increases, the relaxation characteristic increases significantly and the breakdown strength increases dramatically from 150 kV/cm to 220 kV/cm. The recoverable energy storage density of the 0.55NBT–0.45SLT ceramic is 2.86 J/cm³ with an energy storage efficiency of 88% under an electric field of 220 kV/cm. Furthermore, the ceramic with $x$ = 0.45 mol exhibited excellent energy storage stability in the ranges of 20–180 $^{\circ}$ C (temperature) and 1–125 Hz (frequency). These excellent properties demonstrate the potential of (1 $- x$ )NBT– $x$ SLT ceramics when used as dielectric capacitors in pulsed power systems.Ferroelectric materials are considered to be the most competitive energy storage materials for applications in pulsed power electronics due to excellent charge–discharge properties. However, the low energy storage density is the primary problem limiting their practical application. In this study, (1 $- x$ )Na $_{0.5}$ Bi $_{0.5}$ TiO₃ – $x$ Sr $_{0.7}$ La $_{0.2}$ TiO₃[(1 $- x$ )NBT– $x$ SLT] ferroelectric ceramics are found to exhibit excellent energy storage performances through a synergistic strategy. As the SLT concentration increases, the relaxation characteristic increases significantly and the breakdown strength increases dramatically from 150 kV/cm to 220 kV/cm. The recoverable energy storage density of the 0.55NBT–0.45SLT ceramic is 2.86 J/cm³ with an energy storage efficiency of 88% under an electric field of 220 kV/cm. Furthermore, the ceramic with $x$ = 0.45 mol exhibited excellent energy storage stability in the ranges of 20–180 $^{\circ}$ C (temperature) and 1–125 Hz (frequency). These excellent properties demonstrate the potential of (1 $- x$ )NBT– $x$ SLT ceramics when used as dielectric capacitors in pulsed power systems.

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Ziyue Ma, Jianye Zhu, Jianhua Wu, Yanhua Hu, Xiaojie Lou, Ningning Sun, Ye Zhao, Yong Li, Xihong Hao. Optimization of energy storage properties in (1 $- x$ )Na $_{0.5}$ Bi $_{0.5}$ TiO₃- $x$ Sr $_{0.7}$ La $_{0.2}$ TiO₃-relaxed ferroelectric ceramics[J]. Journal of Advanced Dielectrics, 2023, 13(1): 2242003

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Paper Information

Category: Research Articles

Received: Sep. 13, 2022

Accepted: Sep. 28, 2022

Published Online: Mar. 20, 2023

The Author Email: Yong Li (liyong3062545@126.com), Xihong Hao (xihonghao2022@163.com)

DOI:10.1142/S2010135X22420036

CSTR:32405.14.S2010135X22420036

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology