(Bi0.5Na0.5)0.7Sr0.3TiO3改性BaTiO3-Bi(Ni0.5Zr0.5)O3陶瓷增强储能和快速放电性能

IF 2.2 4区材料科学 Q2 MATERIALS SCIENCE, CERAMICS

Journal of Asian Ceramic Societies Pub Date : 2023-06-20 DOI:10.1080/21870764.2023.2224073

Hailin Zhang, Haochen Duan, Huanfu Zhou, Xiuli Chen

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引用次数: 0

摘要

弛豫铁电陶瓷具有良好的储能稳定性、较高的储能密度和效率，以及较高的充放电速率，显示出巨大的商业应用潜力。本文采用固相法将(Bi0.5Na0.5)0.7Sr0.3TiO3掺杂到0.9BaTiO3 >−0.1Bi(Ni0.5Zr0.5)O3中，制备了0.85[0.9BaTiO3−0.1Bi(Ni0.5Zr0.5)O3]−0.15(Bi0.5Na0.5)0.7Sr0.3TiO3陶瓷;其储能性能值为:Wrec = 2.87 J/cm3， η = 88.10%。进行了充放电试验，以评估该陶瓷在储能器件中实际应用的可行性;放电速率达到1.16 μs。此外，所开发的陶瓷具有良好的频率稳定性(1-120 Hz)和高温稳定性(40-160℃)。这种优异的储能性能表明，该陶瓷是脉冲功率器件的合适人选。

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Enhanced energy storage and fast discharge properties of BaTiO₃-Bi(Ni_0.5Zr_0.5)O₃ ceramics modified by (Bi_0.5Na_0.5)_0.7Sr_0.3TiO₃

Relaxed ferroelectric ceramics with good energy storage stability, high energy storage density and efficiency, and high charge/discharge rates have shown great potential for commercial applications. In this paper, 0.85[0.9BaTiO3 −0.1Bi(Ni0.5Zr0.5)O3]−0.15(Bi0.5Na0.5)0.7Sr0.3TiO3 ceramic was prepared via a solid – phase reaction method by doping (Bi0.5Na0.5)0.7Sr0.3TiO3 into 0.9BaTiO3 > −0.1Bi(Ni0.5Zr0.5)O3; it exhibited excellent energy storage performance values: Wrec = 2.87 J/cm3 and η = 88.10%. Charging and discharging tests were conducted to evaluate the feasibility of the ceramic for practical applications in energy – storage devices; it displayed an ultrafast discharge rate of 1.16 μs. In addition, the developed ceramic has good frequency stability (1–120 Hz) and high temperature stability (40–160°C). This excellent energy storage performance indicates that the ceramic is a suitable candidate for pulse power devices.

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来源期刊

Journal of Asian Ceramic Societies Materials Science-Ceramics and Composites

CiteScore

5.00

自引率

4.30%

发文量

审稿时长

10 weeks

期刊介绍： The Journal of Asian Ceramic Societies is an open access journal publishing papers documenting original research and reviews covering all aspects of science and technology of Ceramics, Glasses, Composites, and related materials. These papers include experimental and theoretical aspects emphasizing basic science, processing, microstructure, characteristics, and functionality of ceramic materials. The journal publishes high quality full papers, letters for rapid publication, and in-depth review articles. All papers are subjected to a fair peer-review process.