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US 9,218,917 B2Granted
Energy storage media for ultracapacitors
AssigneeFastCAP Sysems Corporation
InventorsNicolò Michele Brambilla, Fabrizio Martini, Kavya Ramachandra, Riccardo Signorelli, Oscar Enrique Corripio Luna
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Abstract
An ultracapacitor includes at least one electrode that includes carbon nanotubes. The carbon nanotubes may be applied in a variety of ways, and a plurality of layers may be included. Methods of fabrication of carbon nanotubes and ultracapacitors are provided.
Claims48
An ultracapacitor comprising:
- a housing comprising at least one multi-form electrode disposed therein;
- the multi-form electrode comprising a first layer comprising elongated nanoform material disposed over a current collector, and at least a second layer comprising nanoform carbon disposed over the first layer and
- an electrolyte for providing ionic transport within the ultracapacitor;
- wherein the ultracapacitor is configured to have a gravimetric output power density of at least about 12 kW/kg for a plurality of charge-discharge cycles.
1 more element
Dependencies are inferred from the claim text.