High-electric-field-resistant high-energy-density barium titanate-based relaxor ferroelectric ceramic material and preparation method thereof
A high energy storage density, ferroelectric ceramic technology, applied in the field of capacitor material preparation, can solve the problems of remanent polarization, large coercive field, low effective energy storage density and energy storage efficiency, limitations, etc., and achieve high dielectric constant. , The effect of low equipment requirements and simple operation
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[0036] Example 1
[0037] Preparation of a barium titanate-based relaxor ferroelectric ceramic material with high energy storage density and high electric field resistance
[0038] (0.65(Ba 0.98 Li 0.04 )Ti 0.98 O 3 -0.35(Sr 0.7 Bi 0.2 )TiO 3 ), the specific method is as follows::
[0039] (1) Weigh the raw material SrCO with a purity of more than 99% according to the molar ratio of 7:2:10 3 , Bi 2 O 3 And TiO 2 , The weighed raw materials are mixed and put into the ball milling tank, and at the same time, the ball milling solvent absolute ethanol (the absolute ethanol and the above added SrCO 3 , Bi 2 O 3 And TiO 2 The volume ratio of the total volume is 2:1) and the zirconia ball (the zirconia ball and the above added SrCO 3 , Bi 2 O 3 And TiO 2 The volume ratio of the total volume of the zirconia ball is 3:2, and the zirconia balls are composed of zirconia balls with a diameter of 10mm and a diameter of 5mm according to the number ratio of 1:2), after ball milling at a ball milling...
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[0051] Example 2
[0052] Preparation of a barium titanate-based relaxor ferroelectric ceramic material with high energy storage density and high electric field resistance
[0053] (0.65(Ba 0.98 Li 0.04 )Ti 0.98 O 3 -0.35(Sr 0.7 Bi 0.2 )TiO 3 ), the specific method is as follows::
[0054] (1) Weigh the raw material SrCO with a purity of more than 99% according to the molar ratio of 7:2:10 3 , Bi 2 O 3 And TiO 2 , The weighed raw materials are mixed and put into the ball milling tank, and at the same time, the ball milling solvent absolute ethanol (the absolute ethanol and the above added SrCO 3 , Bi 2 O 3 And TiO 2 The volume ratio of the total volume is 2:1) and the zirconia ball (the zirconia ball and the above added SrCO 3 , Bi 2 O 3 And TiO 2 The volume ratio of the total volume of the zirconia ball is 3:2, and the zirconia balls are composed of zirconia balls with a diameter of 10mm and a diameter of 5mm according to the number ratio of 1:2), ball milled at a ball milling speed ...
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