Abstract
We prepared 15.16SrO–(16.84 − x)BaO–xK2O–32Nb2O5–28B2O3–8P2O5 glass ceramic composites with different K:Ba ratios through melt-casting followed by controlled crystallization. Although the dielectric constant of these samples decreased with an increase in x, a maximum theoretical energy density of 12.83 J/cm3 was obtained at x = 10.104. High breakdown strength (1844 kV/cm) and low dielectric loss (< 0.3%) might be the cause of high energy storage density at x = 10.104.
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Financial supports of Guangxi Key Laboratory of Information Materials (Grants No. 171002-Z) are gratefully acknowledged by the authors.
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Li, B., Wang, D., Chen, G. et al. Effect of K:Ba ratio on energy storage properties of strontium barium potassium niobate-glass ceramics. J Mater Sci: Mater Electron 30, 19262–19269 (2019). https://doi.org/10.1007/s10854-019-02285-x
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DOI: https://doi.org/10.1007/s10854-019-02285-x