Abstract
An evaluation has been made of the energy storage capabilities of ceramic dielectrics that were considered likely to provide high energy/volume efficiency on the basis of their expected permittivity-field characteristics. Data for fields up to 400 kV/cm are presented for a strontium titanate, and for a barium titanate ceramic. The materials were in thick-film form and bonded with a small amount of glass. At the maximum fields, energy storage in the barium titanate ceramic was close to that reported earlier for glass-bonded lead zirconate (approx. 2.0 J/cm3), but was about 30% lower in the strontium titanate material.
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