Energy storage properties of BiTi0.5Zn0.5O3-Bi0.5Na0.5TiO3-BaTiO3 relaxor ferroelectrics

Xiao Liu, Huiling Du, Xiangchun Liu, Jing Shi, Huiqing Fan

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59 Scopus citations

Abstract

(1-x)BiTi0.5Zn0.5O3-x(0.935Bi0.5Na0.5TiO3-0.065BaTiO3) (abbreviated as BTZx) lead-free ceramics were prepared by using a conventional solid state reaction method and their composition and temperature dependent energy-storage properties were investigated. The addition of BiTi0.5Zn0.5O3 sharply decreased the content of ferroelectric phase, leading to lowered remanent polarization and coercive field. A large energy storage density (W) of 1.04 J cm−3 was achieved at 95 kV cm−1 for BTZ0.916. In the high temperature region, the remanent polarization was suppressed, while maximum polarization still maintained at a high level. Significantly enhanced W of ~0.952 J cm−3 at 80 kV cm−1 was obtained with a relatively high efficiency of ~0.8, making these materials attractive in energy storage applications.

Original languageEnglish
Pages (from-to)17876-17879
Number of pages4
JournalCeramics International
Volume42
Issue number15
DOIs
StatePublished - 15 Nov 2016

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