Carbon Nanotube Nanocomposites, Methods of Making Carbon Nanotube Nanocomposites, and Devices Comprising the Nanocomposites
AssigneeBattelle Memorial Institute
InventorsTao Liu, Bhima R. Vijayendran, Abhihek Gupta, Seung Min Paek
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Abstract
The invention describes nanocomposites containing carbon nanotubes (CNTs), methods of making the nanocomposites and devices using the nanocomposite materials. Combining CNTs with capacitor materials such as VN provides composite materials having unique supercapacitor properties.
Claims27
A CNT composite electrode material, comprising:
- carbon, metal oxide particles or metal nitride particles intermingled with aligned CNTs.
A composite electrode comprising CNTs and VN.
A CNT composite material, comprising:
- CNTs intermingled with vanadium oxide or vanadium nitride;
- and
- wherein the material comprises a specific capacitance of at least 5 F/g.
A method of making a carbon nanotube and vanadium nitride containing composite, comprising:
- providing carbon nanotubes;
- combining the carbon nanotubes with vanadium nitride to form a composite material, and heating or drying the composite material.
A method of making a CNT composite, comprising:
- providing CNTs aligned on a substrate;
- and
- (a) impregnating the aligned CNTs with a polymeric material;
- and carbonizing the polymeric material, or
- (b) impregnating the aligned CNTs with particles of a metal oxide or metal nitride or precursors to metal nitride or metal oxide particles.
A method of making a carbon nanotube and vanadium oxide containing composite, comprising:
- providing carbon nanotubes;
- combining carbon nanotubes with vanadium oxide to form a composite material, and thermally treating the composite material at a temperature of at least about 500° C.
Dependencies are inferred from the claim text.