Dielectric behavior and impedance spectroscopy in lead-free BNT-BT-NBN perovskite ceramics for energy storage

Qi Xu; Michael T. Lanagan; Xuechen Huang; Juan Xie; Lin Zhang; Hua Hao; Hanxing Liu

doi:10.1016/j.ceramint.2016.03.062

Dielectric behavior and impedance spectroscopy in lead-free BNT-BT-NBN perovskite ceramics for energy storage

Qi Xu, Michael T. Lanagan, Xuechen Huang, Juan Xie, Lin Zhang, Hua Hao, Hanxing Liu

Research output: Contribution to journal › Article › peer-review

170 Scopus citations

Abstract

The dielectric behavior, impedance spectroscopy and energy-storage properties of 0.85[(1-x)Bi_0.5Na_0.5TiO₃-xBaTiO₃]-0.15Na_0.73Bi_0.09NbO₃ [(BNT-xBT)-NBN] ternary ceramics were investigated. Temperature dependent permittivity curves displayed two depressed anomalies, resulting in significantly improved dielectric temperature stability. (BNT-9BT)-NBN showed a permittivity of 1680 at 150 °C with Δϵ/ϵ_{150 °C} varying no more than ±10% up to 340 °C. From the complex impedance analysis, grain and grain boundary shared the same time constant. The high temperature resistivity followed the Arrhenius law with E_a=1.7-2.0 eV, suggesting intrinsic band-type electronic conduction. The maximum energy-storage density of all the samples reached 1.1-1.4 J/cm³, accompanied with good temperature stability in the range of 25-140 °C. These results indicate that (BNT-xBT)-NBN system should be a promising lead-free material for energy-storage capacitor applications.

Original language	English (US)
Pages (from-to)	9728-9736
Number of pages	9
Journal	Ceramics International
Volume	42
Issue number	8
DOIs	https://doi.org/10.1016/j.ceramint.2016.03.062
State	Published - Jun 1 2016

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Process Chemistry and Technology
Surfaces, Coatings and Films
Materials Chemistry

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10.1016/j.ceramint.2016.03.062

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@article{69baffff9cf74bf2a006bd26175b07a0,

title = "Dielectric behavior and impedance spectroscopy in lead-free BNT-BT-NBN perovskite ceramics for energy storage",

abstract = "The dielectric behavior, impedance spectroscopy and energy-storage properties of 0.85[(1-x)Bi0.5Na0.5TiO3-xBaTiO3]-0.15Na0.73Bi0.09NbO3 [(BNT-xBT)-NBN] ternary ceramics were investigated. Temperature dependent permittivity curves displayed two depressed anomalies, resulting in significantly improved dielectric temperature stability. (BNT-9BT)-NBN showed a permittivity of 1680 at 150 °C with Δϵ/ϵ150 °C varying no more than ±10% up to 340 °C. From the complex impedance analysis, grain and grain boundary shared the same time constant. The high temperature resistivity followed the Arrhenius law with Ea=1.7-2.0 eV, suggesting intrinsic band-type electronic conduction. The maximum energy-storage density of all the samples reached 1.1-1.4 J/cm3, accompanied with good temperature stability in the range of 25-140 °C. These results indicate that (BNT-xBT)-NBN system should be a promising lead-free material for energy-storage capacitor applications.",

author = "Qi Xu and Lanagan, {Michael T.} and Xuechen Huang and Juan Xie and Lin Zhang and Hua Hao and Hanxing Liu",

note = "Funding Information: This work was supported by National Natural Science Foundation of China (No. 51372191 ), National Key Basic Research Program of China (973 Program) (No. 2015CB654601 ), International Science and Technology Cooperation Program of China ( 2011DFA52680 ), the Fundamental Research Funds for the Central Universities (WUT: 152401002 and 152410002 ). Publisher Copyright: {\textcopyright} 2016 Elsevier Ltd and Techna Group S.r.l. All rights reserved.",

year = "2016",

month = jun,

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doi = "10.1016/j.ceramint.2016.03.062",

language = "English (US)",

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T1 - Dielectric behavior and impedance spectroscopy in lead-free BNT-BT-NBN perovskite ceramics for energy storage

AU - Xu, Qi

AU - Lanagan, Michael T.

AU - Huang, Xuechen

AU - Xie, Juan

AU - Zhang, Lin

AU - Hao, Hua

AU - Liu, Hanxing

N1 - Funding Information: This work was supported by National Natural Science Foundation of China (No. 51372191 ), National Key Basic Research Program of China (973 Program) (No. 2015CB654601 ), International Science and Technology Cooperation Program of China ( 2011DFA52680 ), the Fundamental Research Funds for the Central Universities (WUT: 152401002 and 152410002 ). Publisher Copyright: © 2016 Elsevier Ltd and Techna Group S.r.l. All rights reserved.

PY - 2016/6/1

Y1 - 2016/6/1

N2 - The dielectric behavior, impedance spectroscopy and energy-storage properties of 0.85[(1-x)Bi0.5Na0.5TiO3-xBaTiO3]-0.15Na0.73Bi0.09NbO3 [(BNT-xBT)-NBN] ternary ceramics were investigated. Temperature dependent permittivity curves displayed two depressed anomalies, resulting in significantly improved dielectric temperature stability. (BNT-9BT)-NBN showed a permittivity of 1680 at 150 °C with Δϵ/ϵ150 °C varying no more than ±10% up to 340 °C. From the complex impedance analysis, grain and grain boundary shared the same time constant. The high temperature resistivity followed the Arrhenius law with Ea=1.7-2.0 eV, suggesting intrinsic band-type electronic conduction. The maximum energy-storage density of all the samples reached 1.1-1.4 J/cm3, accompanied with good temperature stability in the range of 25-140 °C. These results indicate that (BNT-xBT)-NBN system should be a promising lead-free material for energy-storage capacitor applications.

AB - The dielectric behavior, impedance spectroscopy and energy-storage properties of 0.85[(1-x)Bi0.5Na0.5TiO3-xBaTiO3]-0.15Na0.73Bi0.09NbO3 [(BNT-xBT)-NBN] ternary ceramics were investigated. Temperature dependent permittivity curves displayed two depressed anomalies, resulting in significantly improved dielectric temperature stability. (BNT-9BT)-NBN showed a permittivity of 1680 at 150 °C with Δϵ/ϵ150 °C varying no more than ±10% up to 340 °C. From the complex impedance analysis, grain and grain boundary shared the same time constant. The high temperature resistivity followed the Arrhenius law with Ea=1.7-2.0 eV, suggesting intrinsic band-type electronic conduction. The maximum energy-storage density of all the samples reached 1.1-1.4 J/cm3, accompanied with good temperature stability in the range of 25-140 °C. These results indicate that (BNT-xBT)-NBN system should be a promising lead-free material for energy-storage capacitor applications.

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JO - Ceramics International

JF - Ceramics International

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ER -

Dielectric behavior and impedance spectroscopy in lead-free BNT-BT-NBN perovskite ceramics for energy storage

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