Enhancement of recoverable energy density and efficiency of lead-free relaxor-ferroelectric BNT-based ceramics
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DOI: 10.1016/j.cej.2020.126818
Abstract: Abstract Electrostatic capacitors with simultaneously excellent recoverable energy density (Wrec) and efficiency (η), and wide operate temperature range are currently the main challenge in applications of modern electronics and electrical power systems. Here, a series… read more here.
Keywords: lead free; free relaxor; energy; recoverable energy ... See more keywords
Excellent energy storage properties over a wide temperature range under low driving electric fields in NBT-BSN lead-free relaxor ferroelectric ceramics
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DOI: 10.1016/j.ceramint.2020.10.040
Abstract: Abstract To develop environment-friendly dielectric capacitors with low working electric field and wide useable temperature, in this work, we fabricate (1-x)Na0.46Bi0.54TiO3- xBaSnO3((1-x)NBT-xBSN) lead-free relaxor ferroelectric ceramics by adding BaSnO3 into Na0.46Bi0.54TiO3 matrix. BSN exhibits slim… read more here.
Keywords: lead free; temperature; free relaxor; energy ... See more keywords
Scaling behavior for (Bi0.5Na0.5)TiO3 based lead-free relaxor ferroelectric ceramics
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DOI: 10.1063/1.4997448
Abstract: The dynamic hysteresis and scaling behavior of unpoled 0.96(Bi0.5Na0.5)TiO3-0.04BiAlO3 lead-free relaxor ceramics were investigated through the evolution of the hysteresis loops at a wide frequency (f) and electric-field amplitude (Eo) range. The variation of the… read more here.
Keywords: bi0 5na0; lead free; free relaxor; scaling behavior ... See more keywords