Back to results
US 9,312,077 B2Granted
Double layer capacitors
AssigneeCalgon Carbon Corporation
InventorsJoseph M. Klinvex, Walter G. Tramposch, Robert H. Vaughn, Robert P. O'Brien
Life of this patent
Estimating the term…
Abstract
Activated carbons having improved volumetric capacitance and double layer capacitors including these activated carbons are described herein.
Claims14
An energy storage device comprising:
- an activated carbon having a volumetric surface area of from about 400 m2/cc to about 800 m2/cc;
- and
- an electrolyte;
- wherein the energy storage device comprises a volumetric capacitance of at least 60 F/cc.
1 more element
Dependencies are inferred from the claim text.