HYBRID CAPACITOR
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United States of America Patent
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Issued Date -
May 14, 2015
app pub date -
Apr 25, 2013
filing date -
May 3, 2012
priority date (Note) -
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Abstract
Disclosed is a capacitor (200) comprising a first structured surface having a dielectric coating (230), a second structured surface having a dielectric coating (230), a separator (240) provided between the first structured surface and the second structured surface, and an electrolyte provided between the first structured surface and the second structured surface. The structured surface may be formed from carbon which may be a random array of carbon nanotubes having a spacing to length ratio of the carbon nanotubes is not greater than 1:30. The dielectric coating may be selected from but not limited to hafnium oxide, barium titanate (BTO), BST, PZT, CCTO or titanium dioxide or a combination of two or more such materials.
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