Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 710, Issue -, Pages 436-445Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2017.03.261
Keywords
Energy storage; Dielectric properties; Lead free ceramics; Relaxation
Categories
Funding
- National Natural Science Foundation of China [51572159]
- Chinese Postdoctoral Science Foundation [2016M590916]
- Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry
- Science and Technology Foundation of Weiyang District of Xi'an City [201605]
- Industrialization Foundation of Education Depal Intent of Shaanxi Provincial Government [16JF002]
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In the present work, ternary solid solution ceramics of the (1-x)SrTiO3-x(0.65BaTiO(3)-0.35Bi(0.5)Na(0.5)TiO(3)) (STB100x) were designed and fabricated using a conventional solid-state sintering method. The phase structure, microstructure, dielectric property, relaxation property, ferroelectric property and energy storage property were systematically investigated. The addition of 0.65BaTiO(3)-0.35Bi(0.5)Na(0.5)TiO(3) (BTBNT) could enhance the saturated polarization of the ceramics obviously. All the samples show a slim P-E hysteresis loop, and the sample with x = 0.3 exhibits a high energy storage density of 1.40 J/cm(3) and an energy storage efficiency more than 90%. These results indicate that the STB100x ceramics may be a promising lead free materials for high energy storage density capacitors. (C) 2017 Elsevier B.V. All rights reserved.
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