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US 11,299,645 B2Granted
Methods and applications for conductive graphene inks
AssigneesThe Regents of the University of California, Nanotech Energy, Inc.
InventorsMaher F. El-Kady, Nahla Mohamed, Jack Kavanaugh, Richard B. Kaner
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Abstract
The present disclosure provides for an exemplary energy storage device and methods of forming thereof, comprising an exemplary conductive graphene ink on exemplary substrates to form durable, flexible, and facile graphene films and energy storage devices for use with and within a variety of electronics and devices.
Claims14
A conductive graphene ink comprising:
- a) 20% to about 70% by mass of a binder solution comprising a binder and a first solvent;
- and
- b) a reduced graphene oxide dispersion comprising reduced graphene oxide, and a second solvent;
- wherein the conductive graphene ink has a viscosity of at least about 1,000 centipoise.
1 more element
A method of forming a conductive graphene ink comprising:
- forming a binder solution comprising:
- heating a first solvent;
- adding a binder to the first solvent;
- mixing the binder and the first solvent;
- and
- cooling the binder and the first solvent;
- forming a reduced graphene oxide dispersion comprising a second solvent and reduced graphene oxide;
- forming a graphene solution comprising the binder solution and the reduced graphene oxide dispersion;
- and
- mixing the graphene solution under a vacuum degree of about −0.05 MPa to about −0.2 MPa to form a conductive graphene ink.
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Dependencies are inferred from the claim text.