CAPACITORS USING PREFORMED DIELECTRIC
First Claim
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1. A storage capacitor comprising:
- a dielectric structure having one or more intentionally textured surfaces having surface features in excess of 10 microns in height, wherein;
the dielectric structure comprises a dielectric material, andthe dielectric material has an effective relative permittivity greater than or about 500; and
two or more electrodes having a first electrode disposed on a first surface of the dielectric structure and a second electrode disposed on a second surface of the dielectric structure, wherein the second electrode is physically separated from the first electrode by the dielectric structure.
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Abstract
Devices for storing energy at a high density are described. The devices include a solid dielectric that is preformed to present a high exposed area onto which an electrode is formed. The dielectric material has a high dielectric constant (high relative permittivity) and a high breakdown voltage, allowing a high voltage difference between paired electrodes to effect a high stored energy density.
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Citations
23 Claims
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1. A storage capacitor comprising:
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a dielectric structure having one or more intentionally textured surfaces having surface features in excess of 10 microns in height, wherein; the dielectric structure comprises a dielectric material, and the dielectric material has an effective relative permittivity greater than or about 500; and two or more electrodes having a first electrode disposed on a first surface of the dielectric structure and a second electrode disposed on a second surface of the dielectric structure, wherein the second electrode is physically separated from the first electrode by the dielectric structure. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method of forming a storage capacitor, the method comprising:
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providing a dielectric material having a relative permittivity greater than or about 500; texturing one or more surfaces of the dielectric material; and depositing a conductive material onto the two or more textured surfaces of the dielectric material. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23)
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Specification