Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 711, Issue -, Pages 319-326Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2017.04.023
Keywords
Ceramics; Solid-state reaction; Relaxor behavior; Energy storage density
Categories
Funding
- National Natural Science Foundation of China [51372144, 51641207]
- Key Program of Innovative Research Team of Shaanxi Province [2014KCT-06]
Ask authors/readers for more resources
(1-x)SrTiO3-x(Na0.5Bi0.5)TiO3 ((1-x)ST-xNBT) ceramics have been prepared by solid-state route and their structure, electric and energy storage properties have been investigated. Dielectric anomalies at T-m and T-m show strong frequency dispersion as the typical relaxor ferroelectrics behavior over a broad temperature range. The Tm of (1-x)ST-xNBT ceramics dramatically shifted to a higher temperature (from -118 degrees C to 106 degrees C at 1 kHz) with increasing x. All samples showed the broad relaxor behavior due to the increase in the degree of lattice disorder and the thermal evolution of PNRs, and exhibited a discharge energy density of more than 1.18 J/cm(3). The x = 0.4 sample exhibited a maximum discharge energy density of 1.70 J/cm(3), consistent with the high value of Eb (similar to 21 kV/mm) and Pm (similar to 25 mu C/cm(2)). The results indicate that (1-x)ST-xNBT ceramics might be a promising environmental friendly material for energy storage application. (C) 2017 Elsevier B.V. All rights reserved.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available