Electrical-energy-storage unit (EESU) utilizing ceramic and integrated-circuit technologies for replacement of electrochemical batteries
First Claim
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1. An article of manufacture comprising:
- first and second electrodes; and
a dielectric layer located between the first and second electrodes, the dielectric layer including high-permittivity ceramic powder particles coated with a first layer of high dielectric breakdown material and isostatically pressed together, wherein the first layer of high dielectric breakdown material comprises material different from the high-permittivity ceramic powder particles, wherein the high-permittivity ceramic powder particles comprise composition-modified barium titanate, wherein the first layer of high dielectric breakdown material comprises alumina.
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Abstract
An electrical-energy-storage unit (EESU) has as a basis material a high-permittivity composition-modified barium titanate ceramic powder. This powder is double coated with the first coating being aluminum oxide and the second coating calcium magnesium aluminosilicate glass. The components of the EESU are manufactured with the use of classical ceramic fabrication techniques which include screen printing alternating multilayers of nickel electrodes and high-permittivitiy composition-modified barium titanate powder, sintering to a closed-pore porous body, followed by hot-isostatic pressing to a void-free body.
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Citations
22 Claims
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1. An article of manufacture comprising:
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first and second electrodes; and a dielectric layer located between the first and second electrodes, the dielectric layer including high-permittivity ceramic powder particles coated with a first layer of high dielectric breakdown material and isostatically pressed together, wherein the first layer of high dielectric breakdown material comprises material different from the high-permittivity ceramic powder particles, wherein the high-permittivity ceramic powder particles comprise composition-modified barium titanate, wherein the first layer of high dielectric breakdown material comprises alumina. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A capacitor comprising:
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first and second electrodes; and a dielectric layer located between the first and second electrodes, the dielectric layer including high-permittivity ceramic powder particles coated with a first layer of high dielectric breakdown material and isostatically pressed together, wherein the first layer of high dielectric breakdown material comprises material different from the high-permittivity ceramic powder particles, wherein the high-permittivity ceramic powder particles comprise composition-modified barium titanate, wherein the first layer of high dielectric breakdown material comprises alumina. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22)
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Specification