Dielectric ceramics with high polarization and low sintering temperature are important for high-performance and low-cost multilayer ceramic capacitors (MLCCs). Herein, BiFeO3 was added to a lead-free composition 0.48BaTiO3-0.4Bi(Mg0.5Hf0.5)O3-0.12SrTiO3 to lower the sintering temperature and increase the polarization simultaneously. As a result, a low sintering temperature of 950 °C and high comprehensive energy storage properties with a recoverable energy density Wrec of 5.7 J/cm3 and an energy efficiency η of 92% at 450 kV/cm were achieved. Together with the good temperature stability and cycling stability of Wrec and η, the ceramics exhibit great potential in the energy storage MLCCs with low-cost Ag-Pd electrodes with a high Ag content.
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1 May 2023
Research Article|
May 05 2023
Bismuth ferrite-modified lead-free ceramics with reduced sintering temperature and improved energy storage properties
Special Collection:
Energy Conversion and Storage in Functional Dielectrics
Xi Kong
;
Xi Kong
(Conceptualization, Formal analysis, Funding acquisition, Investigation, Writing – original draft)
1
State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University
, Beijing 100084, China
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Letao Yang
;
Letao Yang
a)
(Conceptualization, Formal analysis, Writing – review & editing)
1
State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University
, Beijing 100084, China
a)Authors to whom correspondence should be addressed: ltyang@mail.tsinghua.edu.cn and guojinming@hubu.edu.cn
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Zixi Luo;
Zixi Luo
(Formal analysis, Writing – review & editing)
1
State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University
, Beijing 100084, China
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Yiqian Liu;
Yiqian Liu
(Formal analysis, Writing – review & editing)
1
State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University
, Beijing 100084, China
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Shun Lan
;
Shun Lan
(Formal analysis, Writing – review & editing)
1
State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University
, Beijing 100084, China
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Bingbing Yang
;
Bingbing Yang
(Formal analysis, Writing – review & editing)
1
State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University
, Beijing 100084, China
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Fanqi Meng;
Fanqi Meng
(Formal analysis)
1
State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University
, Beijing 100084, China
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Weibin Ren;
Weibin Ren
(Formal analysis)
1
State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University
, Beijing 100084, China
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Xinyue Zhang;
Xinyue Zhang
(Writing – review & editing)
1
State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University
, Beijing 100084, China
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Jinghan Cai
;
Jinghan Cai
(Writing – review & editing)
1
State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University
, Beijing 100084, China
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Yuan-Hua Lin;
Yuan-Hua Lin
(Conceptualization, Writing – review & editing)
1
State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University
, Beijing 100084, China
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Jinming Guo;
Jinming Guo
a)
(Conceptualization, Supervision, Writing – review & editing)
1
State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University
, Beijing 100084, China
2
Ministry-of-Education Key Laboratory for Green Preparation and Application of Functional Materials, School of Materials Science and Engineering, Hubei University
, Wuhan 430062, China
a)Authors to whom correspondence should be addressed: ltyang@mail.tsinghua.edu.cn and guojinming@hubu.edu.cn
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Ce-Wen Nan
Ce-Wen Nan
(Funding acquisition, Supervision, Writing – review & editing)
1
State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University
, Beijing 100084, China
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a)Authors to whom correspondence should be addressed: ltyang@mail.tsinghua.edu.cn and guojinming@hubu.edu.cn
Note: This paper is part of the APL Special Collection on Energy Conversion and Storage in Functional Dielectrics.
Appl. Phys. Lett. 122, 182904 (2023)
Article history
Received:
February 04 2023
Accepted:
April 10 2023
Citation
Xi Kong, Letao Yang, Zixi Luo, Yiqian Liu, Shun Lan, Bingbing Yang, Fanqi Meng, Weibin Ren, Xinyue Zhang, Jinghan Cai, Yuan-Hua Lin, Jinming Guo, Ce-Wen Nan; Bismuth ferrite-modified lead-free ceramics with reduced sintering temperature and improved energy storage properties. Appl. Phys. Lett. 1 May 2023; 122 (18): 182904. https://doi.org/10.1063/5.0145299
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