Preparation of Zr-doped BaTiO<sub>3</sub> dielectric ceramics by solution combustion synthesis and its energy storage performance

Yan Meiling; Zuo Chengyang; Li Jiangyan; Cao Zhiqin; Yu Zihan; Zhu Danyu; Pan Xiaoli

doi:10.7513/j.issn.1004-7638.2023.02.008

Volume 44 Issue 2

Apr. 2023

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Yan Meiling, Zuo Chengyang, Li Jiangyan, Cao Zhiqin, Yu Zihan, Zhu Danyu, Pan Xiaoli. Preparation of Zr-doped BaTiO3 dielectric ceramics by solution combustion synthesis and its energy storage performance[J]. IRON STEEL VANADIUM TITANIUM, 2023, 44(2): 55-60. doi: 10.7513/j.issn.1004-7638.2023.02.008

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Yan Meiling, Zuo Chengyang, Li Jiangyan, Cao Zhiqin, Yu Zihan, Zhu Danyu, Pan Xiaoli. Preparation of Zr-doped BaTiO₃ dielectric ceramics by solution combustion synthesis and its energy storage performance[J]. IRON STEEL VANADIUM TITANIUM, 2023, 44(2): 55-60. doi: 10.7513/j.issn.1004-7638.2023.02.008

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Preparation of Zr-doped BaTiO₃ dielectric ceramics by solution combustion synthesis and its energy storage performance

doi: 10.7513/j.issn.1004-7638.2023.02.008

1.
College of Vanadiun and Titanium, Panzhihua University, Panzhihua 617000, Sichuan, China
2.
Vanadium and Titanium Resource Comprehensive Utilization Key Laboratory of Sichuan Province, Panzhihua 617000, Sichuan, China

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Received Date: 2022-08-08
Publish Date: 2023-04-30

Abstract

Abstract

Dielectric ceramic capacitors have important application prospects in energy recovery systems and pulse power fields due to their ultrahigh power density and ultrafast charging- discharging speed. In this paper, Zr-doped BaTi_(1-x)Zr_xO₃ (BTZ_x) dielectric ceramics were prepared by solution combustion synthesis with barium nitrate, butyl titanate, zirconium nitrate, glycine and nitric acid as raw materials, citric acid as complexing agent and manganese nitrate as sintering aid. The crystalline structure and microscopic morphologies of BTZ_x dielectric ceramic samples were analyzed by X-ray diffractometer and scanning electron microscope, respectively. The dielectric and energy storage properties of the BTZ_x dielectric ceramic samples were investigated using a precision impedance analyzer and a ferroelectric analyzer. The results show that the introduction of Zr⁴⁺ refines the ceramic grains, improves the breakdown strength, increases the ionic disorder, and effectively reduces the remanent polarization. When x=0.20, excellent energy storage performance is obtained: at 350 kV/cm, the recoverable energy density and energy storage efficiency reach 1.60 J/cm³ and 88.5%, respectively.
- dielectric ceramic,
- BaTiO₃,
- solution combustion synthesis,
- dielectric properties,
- energy storage properties

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References(11)

References

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