Glass additive in barium titanate ceramics and its influence on electrical breakdown strength in relation with energy storage properties

Xiang-rong, Wang; Yong, Zhang; Song, Xiaozhen; Yuan, Zongbao; Ma, Tao; Zhang, Qian; Deng, Changsheng; Liang, Tongxiang

doi:10.1016/j.jeurceramsoc.2011.09.024

Cited by 179 publications

(62 citation statements)

References 24 publications

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“…Impedance analysis [20,21] was employed to analyze the effect of La 2 O 3 content on the dielectric properties of the glass-ceramics. The samples were measured at different temperature to get series of -Z'' spectroscopic plots, from which the relaxation time could be obtained.…”

Section: Resultsmentioning

confidence: 99%

Effect of La2O3 additive on the dielectric properties of barium strontium titanate glass–ceramics

Zhang

Wang

Xue

et al. 2014

J Mater Sci: Mater Electron

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The barium strontium titanate (Ba x Sr 1-x TiO 3 ) glass-ceramics doped with different content of La were prepared via controlled crystallization. Phase compositions, microstructure and dielectric behaviors were investigated systematically. The results revealed that La 2 O 3 additives had little influence on the dielectric constant but significantly changed the microstructure of the glass-ceramics, which led to improved breakdown strength (BDS). The optimized energy-storage density of 3.18 J/cm 3 was achieved in the glass-ceramics with 1.0 wt% La 2 O 3 content which is 2.56 times higher than pure BST glass-ceramics, suggesting glass-ceramics of this composition could be an attractive candidate for energy-storage applications.

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Section: Resultsmentioning

confidence: 99%

Effect of La2O3 additive on the dielectric properties of barium strontium titanate glass–ceramics

Zhang

Wang

Xue

et al. 2014

J Mater Sci: Mater Electron

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“…It was reported that the breakdown strength is closely related to activation energy (E a ) and grain size [20][21][22]. According to the experiment results, E a is the most likely driving force for breakdown strength variation, and the change of grain size is unnoticeable when the BLT concentration exceeds 20 mol% (as seen in Fig.…”

Section: Resultsmentioning

confidence: 83%

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

et al. 2016

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Lead-free (1x)Sr 0.1 Bi 0.45 Na 0.45 TiO 3 xBi 0.5 Li 0.5 TiO 3 (x = 00.4) ceramics were successfully prepared by a solid-state reaction technique. The effects of amount of Bi 0.5 Li 0.5 TiO 3 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 Bi 0.5 Li 0.5 TiO 3 concentration was observed. This study demonstrated that relaxor could be stabilized in Sr 0.1 Bi 0.45 Na 0.45 TiO 3 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% Bi 0.5 Li 0.5 TiO 3 , the specimens were able to withstand an electric field intensity of 106.9 kV/cm with an energy density of 0.88 J/cm 3 and an energy efficiency of 65%.

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“…The decrease of insulation resistivity and breakdown voltage is associated with the fact that the defect concentration increases [20]. With further increase in glass content, the glass exists at the grain boundary, so the insulation resistivity is increased [21].…”

Section: Resultsmentioning

confidence: 99%

The effect of glass addition on the ultra-broad temperature stability of BaTiO3–Na0.5Bi0.5TiO3–Nb2O5-based ceramics

Zhang

Chen

et al. 2015

Ceramics International

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Glass additive in barium titanate ceramics and its influence on electrical breakdown strength in relation with energy storage properties

Cited by 179 publications

References 24 publications

Effect of La2O3 additive on the dielectric properties of barium strontium titanate glass–ceramics

Effect of La2O3 additive on the dielectric properties of barium strontium titanate glass–ceramics

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

The effect of glass addition on the ultra-broad temperature stability of BaTiO3–Na0.5Bi0.5TiO3–Nb2O5-based ceramics

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