Super dielectric materials
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United States of America Patent
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Dec 27, 2016
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Feb 17, 2015
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Nov 5, 2014
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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.
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