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Research Article | Open Access

Enhanced energy storage properties of Bi0.5Li0.5TiO3 modified Sr0.1Bi0.45Na0.45TiO3 based ceramics

Qin FENGa,b, Xiao LIUc, Changlai YUANb( ), Xinyu LIUa,b, Changrong ZHOUb, Guohua CHENb
College of Material Science and Engineering, Central South University, Changsha 410083, China
College of Material Science and Engineering, Guilin University of Electronic Technology, Guilin 541004, China
College of Powder Metallurgy Research Institute, Central South University, Changsha 410083, China
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Abstract

Lead-free (1-x)Sr0.1Bi0.45Na0.45TiO3-xBi0.5Li0.5TiO3 (x = 0-0.4) ceramics were successfully prepared by a solid-state reaction technique. The effects of amount of Bi0.5Li0.5TiO3 on structure and electrical properties were examined. The X-ray diffraction (XRD) analysis revealed that all the investigated specimens have a perovskite structure. An obvious change in microstructure with the increase of Bi0.5Li0.5TiO3 concentration was observed. This study demonstrated that relaxor could be stabilized in Sr0.1Bi0.45Na0.45TiO3 based ceramics by lowering the tolerance factor and electronegativity difference. Besides, a dielectric anomaly related to thermal evolution of crystallographic symmetry was emerged at the depolarization temperature. Upon incorporation of 26 mol% Bi0.5Li0.5TiO3, the specimens were able to withstand an electric field intensity of 106.9 kV/cm with an energy density of 0.88 J/cm3 and an energy efficiency of 65%.

Keywords

ferroelectricityenergy storageBi0.5Li0.5TiO3

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Journal of Advanced Ceramics
Volume 5 Issue 3,
September 2016
Pages 219-224
DOI: 10.1007/s40145-016-0193-1
Cite this article:
FENG Q, LIU X, YUAN C, et al. Enhanced energy storage properties of Bi0.5Li0.5TiO3 modified Sr0.1Bi0.45Na0.45TiO3 based ceramics. Journal of Advanced Ceramics, 2016, 5(3): 219-224. https://doi.org/10.1007/s40145-016-0193-1

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Received: 03 April 2016
Revised: 24 May 2016
Accepted: 30 May 2016
Published: 21 August 2016
© The author(s) 2016

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