期刊
CERAMICS INTERNATIONAL
卷 46, 期 5, 页码 6995-6998出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2019.11.174
关键词
Bi0.5K0.5TiO3; Ceramics; Energy storage; Ferroelectrics; Rolling technology
资金
- Anhui University [S020118002/098]
In this study, a ceramic with a 0.7Bi(0.5)K(0.5)TiO(3)-0.3SrTiO(3) composition was designed to enhance its energy storage performance via rolling technology. Temperature had a great influence on microstructural refinement and energy storage density. A high recoverable energy storage density of 2.31 J/cm(3 )and efficiency of 77.7% were obtained under an optimal sintering temperature of 1175 degrees C. Specifically, a pulsed circuit indicated that stored energy was quickly released at a sub-microsecond scale of 0.26 mu s. This study showed that Bi0.5K0.5TiO3-based ceramics, as new lead-free bismuth-based perovskite-type solid-solutions are promising candidates in pulsed-power applications.
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