Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 720, Issue -, Pages 116-125Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2017.05.158
Keywords
Glass-ceramics; Energy storage; Dielectric properties; Impedance properties
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Funding
- National Natural Science Foundation of China [51572159]
- Chinese Postdoctoral Science Foundation [2016M590916]
- Science and Technology Foundation of Weiyang District of Xi'an City [201605]
- Industrialization Foundation of Education Department of Shaanxi Provincial Government [16JF002]
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A series of Ba0.85Ca0.15Zr0.1Ti0.9O3 (BCZT) ceramics with different contents of B2O3-Al2O3-SiO2 (BAS) glassceramics additive were prepared via the conventional solid-state sintering method. The microstructure, dielectric properties, ferroelectric properties and energy storage properties were systematically investigated. The results show that the BCZT and BAS glass-ceramics phases can coexist in the ceramics and the average grain size reduces obviously with increasing the content of BAS glass-ceramics. The addition of BAS glass-ceramics could enhance the breakdown strength of the ceramics obviously. Due to the relatively high dielectric constant and breakdown strength, the estimated energy storage density of the (1-x)BCZT-xBAS ceramics reaches up to 1.153 J/cm(3) when x = 5%, which is improved by 5.5 times as compared with that of the pure BCZT ceramic (0.205 J/cm(3)). (C) 2017 Elsevier B.V. All rights reserved.
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