Super dielectric materials
US9530574B1 · kind B1 · utility
4Cited by
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20Claims
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Assignee
Inventors
Key dates
| Filing date | Feb 17, 2015 |
| Grant date | Dec 27, 2016 |
| Priority date | — |
| Expiry date | Sep 9, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01G11/62
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A class of materials is provided that has dielectric constants greater than 105. The super dielectric materials (SDM) can be generated readily from common, inexpensive materials. Various embodiments include a porous, electrically insulating material, such as high surface area powders of silica or titantia, mixed with a liquid containing a high concentration of ionic species. In some embodiments, high surface area alumina powders, loaded to the incipient wetness point with a solution of boric acid dissolved in water, have dielectric constants greater than 4*108.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.