Energy storage performance and thermal stability of BNT-SBT with artificially modulated nano-grains via aerosol deposition method

Min Kyu Kim; Sung Yub Ji; Ji Ho Lim; Seung Wook Kim; Dae Yong Jeong

doi:10.1080/21870764.2022.2031807

Energy storage performance and thermal stability of BNT-SBT with artificially modulated nano-grains via aerosol deposition method

Min Kyu Kim, Sung Yub Ji, Ji Ho Lim, Seung Wook Kim, Dae Yong Jeong

Inha University

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

11 Scopus citations

Abstract

With the development of electrical industry, demand for a ceramic-based capacitor with high energy storage density has been increased gradually. The efficiency considered as a key factor of energy storage density is sensitive to temperature change. In this study, using the aerosol deposition (AD) method, we have fabricated lead-free 6Bi_0.5Na_0.5TiO₃(BNT)-4Sr_0.7Bi_0.2TiO₃(SBT) nano-grain composites to improve the energy storage properties and thermal stability. Through the novel AD method, artificially engineered ferroelectric thick films with nano-grain can be fabricated at room temperature. The thick films of 6BNT-4SBT post-annealed at 550°C had an energy storage density of 10.4 J/cm³, high efficiency of 64.5% at 900 kV/cm, and excellent thermal stabilities (ΔW_rec < ~9% and Δη < ~30%) heating to 140°C. These results reveal that 6BNT-4SBT thick films fabricated by the AD method have excellent dielectric properties and thermal stabilities as a lead-free material.

Original language	English
Pages (from-to)	196-202
Number of pages	7
Journal	Journal of Asian Ceramic Societies
Volume	10
Issue number	1
DOIs	https://doi.org/10.1080/21870764.2022.2031807
State	Published - 2022

Bibliographical note

Publisher Copyright:
© 2022 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group on behalf of The Korean Ceramic Society and The Ceramic Society of Japan.

Keywords

BiNaTiO
SrBiTiO
aerosol deposition
energy storage density
ferroelectrics
nano-grain
thermal stability
thick films

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10.1080/21870764.2022.2031807

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title = "Energy storage performance and thermal stability of BNT-SBT with artificially modulated nano-grains via aerosol deposition method",

abstract = "With the development of electrical industry, demand for a ceramic-based capacitor with high energy storage density has been increased gradually. The efficiency considered as a key factor of energy storage density is sensitive to temperature change. In this study, using the aerosol deposition (AD) method, we have fabricated lead-free 6Bi0.5Na0.5TiO3(BNT)-4Sr0.7Bi0.2TiO3(SBT) nano-grain composites to improve the energy storage properties and thermal stability. Through the novel AD method, artificially engineered ferroelectric thick films with nano-grain can be fabricated at room temperature. The thick films of 6BNT-4SBT post-annealed at 550°C had an energy storage density of 10.4 J/cm3, high efficiency of 64.5% at 900 kV/cm, and excellent thermal stabilities (ΔWrec < ~9% and Δη < ~30%) heating to 140°C. These results reveal that 6BNT-4SBT thick films fabricated by the AD method have excellent dielectric properties and thermal stabilities as a lead-free material.",

keywords = "BiNaTiO, SrBiTiO, aerosol deposition, energy storage density, ferroelectrics, nano-grain, thermal stability, thick films",

author = "Kim, {Min Kyu} and Ji, {Sung Yub} and Lim, {Ji Ho} and Kim, {Seung Wook} and Jeong, {Dae Yong}",

note = "Publisher Copyright: {\textcopyright} 2022 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group on behalf of The Korean Ceramic Society and The Ceramic Society of Japan.",

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AU - Kim, Min Kyu

AU - Ji, Sung Yub

AU - Lim, Ji Ho

AU - Kim, Seung Wook

AU - Jeong, Dae Yong

PY - 2022

Y1 - 2022

N2 - With the development of electrical industry, demand for a ceramic-based capacitor with high energy storage density has been increased gradually. The efficiency considered as a key factor of energy storage density is sensitive to temperature change. In this study, using the aerosol deposition (AD) method, we have fabricated lead-free 6Bi0.5Na0.5TiO3(BNT)-4Sr0.7Bi0.2TiO3(SBT) nano-grain composites to improve the energy storage properties and thermal stability. Through the novel AD method, artificially engineered ferroelectric thick films with nano-grain can be fabricated at room temperature. The thick films of 6BNT-4SBT post-annealed at 550°C had an energy storage density of 10.4 J/cm3, high efficiency of 64.5% at 900 kV/cm, and excellent thermal stabilities (ΔWrec < ~9% and Δη < ~30%) heating to 140°C. These results reveal that 6BNT-4SBT thick films fabricated by the AD method have excellent dielectric properties and thermal stabilities as a lead-free material.

AB - With the development of electrical industry, demand for a ceramic-based capacitor with high energy storage density has been increased gradually. The efficiency considered as a key factor of energy storage density is sensitive to temperature change. In this study, using the aerosol deposition (AD) method, we have fabricated lead-free 6Bi0.5Na0.5TiO3(BNT)-4Sr0.7Bi0.2TiO3(SBT) nano-grain composites to improve the energy storage properties and thermal stability. Through the novel AD method, artificially engineered ferroelectric thick films with nano-grain can be fabricated at room temperature. The thick films of 6BNT-4SBT post-annealed at 550°C had an energy storage density of 10.4 J/cm3, high efficiency of 64.5% at 900 kV/cm, and excellent thermal stabilities (ΔWrec < ~9% and Δη < ~30%) heating to 140°C. These results reveal that 6BNT-4SBT thick films fabricated by the AD method have excellent dielectric properties and thermal stabilities as a lead-free material.

KW - BiNaTiO

KW - SrBiTiO

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KW - energy storage density

KW - ferroelectrics

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Energy storage performance and thermal stability of BNT-SBT with artificially modulated nano-grains via aerosol deposition method

Abstract

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Keywords

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