Matches 51 - 100 out of 361 < 1 2 3 4 5 6 7 8 >
Match Document Document Title
7261871 Fabrication of carbon nanotube films from alkyne-transition metal complexes  
A simple method for the production or synthesis of carbon nanotubes as free-standing films or nanotube mats by the thermal decomposition of transition metal complexed alkynes with aryl, alkyl,...
7250569 Method for dissolving nanostructural materials  
High solubility of pristine single and multi-walled carbon nanotubes using electron donors as solubilizers has been observed. The resulting carbon nanotube solution can be readily diluted with...
7247670 Nanotubes and methods of dispersing and separating nanotubes  
A nanostructure having at least one nanotube and at least one chemical moiety non-covalently attached to the at least one nanotube. At least one dendrimer is bonded to the chemical moiety. The...
7244408 Short carbon nanotubes  
There is provided shorte nanotubes and nanoparticles. The nanotubes are in general terms shorter than conventionally produced nanotubes. An improved apparatus for production of the fullerenes and...
7205069 Membrane comprising an array of single-wall carbon nanotubes  
This invention relates generally to membranes comprising an array of single-wall carbon nanotubes (SWNT) wherein the membrane is nanoporous. In one embodiment, the membrane comprises a...
7204970 Single-wall carbon nanotubes from high pressure CO  
The present invention discloses the process of supplying high pressure (e.g., 30 atmospheres) CO that has been preheated (e.g., to about 1000° C.) and a catalyst precursor gas (e.g., Fe(CO) 5 ) in...
7192642 Single-wall carbon nanotube film having high modulus and conductivity and process for making the same  
The invention relates to a film comprising greater than 80 wt % single-wall carbon nanotubes wherein the tensile modulus is at least about 6 GPa at 0.2% strain and the conductivity of the film is...
7161286 Carbon nanotube array and method for making same  
A carbon nanotube-based device ( 40 ) includes a substrate ( 10 ), a number of catalytic nano-sized particles ( 131 ) formed on the substrate, and an aligned carbon nanotube array ( 15 ) extending...
7161285 CNT film and field-emission cold cathode comprising the same  
A fabrication method for an emitter includes the steps of forming on a glass substrate a CNT film which contains a plurality of carbon nanotubes (CNTs) and constitutes an emitter electrode, forming...
7157183 Proton conductor, production method thereof, and electrochemical device using the same  
A proton conductor mainly contains a carbonaceous material derivative, such as, a fullerene derivative, a carbon cluster derivative, or a tubular carbonaceous material derivative in which groups...
7150911 Electrical insulating vapor grown carbon fiber and method for producing the same, and use thereof  
An electrical insulating vapor grown carbon fiber containing a vapor grown carbon fiber having a fiber diameter of 0.01 to 0.5 μm, wherein the surface thereof is partially or entirely coated with...
7150864 Ropes comprised of single-walled and double-walled carbon nanotubes  
The present invention concerns a method for growing carbon nanotubes using a catalyst system that preferentially promotes the growth of single- and double-wall carbon nanotubes, rather than larger...
7147831 Carbon nanotube-based device and method for making the same  
A carbon nanotube-based device includes a substrate ( 10 ); a catalyst layer ( 13 ) disposed on the substrate, the catalyst layer comprising a number of nano-sized catalyst particles ( 131 ), a...
7138345 Carbon fiber reinforced base material, preform and composite material comprising the same  
A carbon fiber reinforced substrate comprising a fabric composed of carbon fiber bundles and a first resin adhering to the fabric. Each of the carbon fiber bundles comprises numerous continuous...
7135160 Spheroidal aggregates comprising single-wall carbon nanotubes and method for making the same  
A method for separating single-wall carbon nanotubes from an aqueous slurry comprises adding a water-immiscible organic solvent to an aqueous slurry comprising single-wall carbon nanotubes,...
7128888 Proton conductor and method for manufacturing the same, and electrochemical device  
A proton conductor, a method for manufacturing the same, and an electrochemical device using the proton conductor are provided. The proton conductor includes a carbon derivative which has a carbon...
7122165 Sidewall-functionalized carbon nanotubes, and methods for making the same  
The invention provides a method of functionalizing the sidewalls of a plurality of carbon nanotubes with oxygen moieties, the method comprising: exposing a carbon nanotube dispersion to an...
7097820 Continuous fiber of single-wall carbon nanotubes  
This invention relates generally to carbon fiber produced from single-wall carbon nanotube (SWNT) molecular arrays. In one embodiment, the carbon fiber which comprises an aggregation of...
7081429 Gas decomposing unit, electrode for a fuel cell, and method of manufacturing the gas decomposing unit  
Provided are a gas decomposing unit and an electrode for a fuel cell capable of stably supporting a gas decomposing catalyst. A gas decomposing unit and an electrode for a fuel cell each including:...
7071406 Array of single-wall carbon nanotubes  
This invention relates generally to forming an array of single-wall carbon nanotubes (SWNT). In one embodiment, a macroscopic molecular array is provided comprising at least about 10 6 single-wall...
7071258 Nano-scaled graphene plates  
A nano-scaled graphene plate material and a process for producing this material. The material comprises a sheet of graphite plane or a multiplicity of sheets of graphite plane. The graphite plane...
7067098 Method for forming an array of single -wall carbon nanotubes and compositions thereof  
This invention relates generally to forming an array of single-wall carbon nanotubes (SWNT) and compositions thereof. In one embodiment, a homogeneous population of SWNT molecules is used to...
7063753 Electronic device utilizing magnetic nanotubes  
Present invention provides enabling techniques of integrating novel nanotube elements into semiconductor devices, particularly in transistors, as gate channels or/and as interconnects. This is done...
7060241 Coatings comprising carbon nanotubes and methods for forming same  
An electrically conductive film is disclosed. According to one embodiment of the present invention, the film includes a plurality of single-walled nanotubes having a particular diameter. The...
7052643 Method and an installation for subjecting carbon fabrics to high temperature heat treatment and to densification by chemical vapor infiltration  
Heat treatment is performed on preforms placed in an enclosure accompanied by sweeping with an inert gas under reduced pressure, and with a gaseous effluent being exhausted continuously via a first...
7048904 Carbon fiber for a fuel cell having catalytic metal supported thereon  
A carbon fiber having catalytic metal supported thereon according to the present invention is a carbon fiber in which a number of hexagonal carbon layers in the shape of a cup having no bottom are...
7048903 Macroscopically manipulable nanoscale devices made from nanotube assemblies  
Macroscopically manipulable nanoscale devices made from nanotube assemblies are disclosed. The article of manufacture comprises a macroscopic mounting element capable of being manipulated or...
7045108 Method for fabricating carbon nanotube yarn  
A method of fabricating a long carbon nanotube yarn includes the following steps: (1) providing a flat and smooth substrate; (2) depositing a catalyst on the substrate; (3) positioning the...
7037622 Carbonaceous material for hydrogen storage and method for preparation thereof, carbonaceous material having hydrogen absorbed therein and method for preparation thereof, cell and fuel cell using carbonaceous material having hydrogen absorbed therein  
A hydrogen-storing carbonaceous material is provided. The hydrogen-storing carbonaceous material is obtained by heating a carbonaceous material at lower than about 800° C. before hydrogen is...
7018602 Carbon fiber for field electron emitter and method for manufacturing field electron emitter  
A carbon fiber for a field electron emitter has a coaxial stacking morphology of truncated conical tubular graphene layers, each of which includes a hexagonal carbon layer and has a large ring end...
7018600 Expanded carbon fiber product and composite using the same  
In an expanded carbon fiber product according to the present invention, a number of hexagonal carbon layers in the shape of a cup having no bottom are stacked. At least part of edges of the...
7018601 Carbon fiber product, and method of adjusting length of carbon fiber product  
A carbon fiber product according to the present invention is a carbon fiber product in which one to several hundreds of hexagonal carbon layers in the shape of a bottomless cup are stacked. Edges...
7014951 Carbonaceous material for hydrogen storage, and method for preparation thereof, carbonaceous material having hydrogen absorbed therein and method for preparation thereof, cell and fuel cell using carbonaceous material having hydrogen absorbed therein  
A hydrogen-stored carbonaceous material is provided. The present invention relates to a hydrogen-stored carbonaceous material obtained by storing hydrogen in a carbonaceous material heated at more...
7014952 Hydrogen-storing carbonaceous material and method for producing the same, hydrogen-stored carbonaceous material and method for producing the same and battery and fuel cell using hydrogen-stored carbonaceous material  
A hydrogen-storing carbonaceous material is provided. The hydrogen-storing carbonaceous material is obtained by heating a carbonaceous material in a gas atmosphere including hydrogen gas and...
7014829 Carbon fiber, and filter and absorbent using the same  
A carbon fiber in which hexagonal carbon layers in the shape of a bottomless cup are stacked. At least part of edges of the hexagonal carbon layers are exposed on an outer surface and an inner...
7013708 Carbon nanotube sensors  
Nanotubes and nanotube-based devices are implemented in a variety of applications. According to an example embodiment of the present invention, a nanotube is doped with an impurity atom and used to...
7011884 Carbon nanotube with a graphitic outer layer  
A method for manufacturing carbon nanotubes with an integrally attached outer graphitic layer is disclosed. The graphitic layer improves the ability to handle and manipulate the nanometer size...
7008725 Hydrogen-storing carbonaceous material and method for producing the same, hydrogen-stored carbonaceous material and method for producing the same and battery and fuel cell using hydrogen-stored carbonaceous material  
A hydrogen-storing carbonaceous material is provided. The present invention provides a hydrogen-storing carbonaceous material obtained by heating a carbonaceous material at more than about 50° C....
6986876 Method for forming composites of sub-arrays of single-wall carbon nanotubes  
This invention relates generally to forming arrays of single-wall carbon nanotubes (SWNT). In one embodiment, the present invention involves forming a macroscopic molecular array of tubular carbon...
6979709 Continuous fiber of single-wall carbon nanotubes  
This invention relates generally to carbon fiber produced from single-wall carbon nanotube (SWNT) molecular arrays. In one embodiment, the present invention involves a macroscopic carbon fiber...
6969503 Vapor grown carbon fiber and electrode material for battery  
A carbon fiber has a coaxial stacking morphology of truncated conical tubular graphene layers, wherein each of the graphene layers includes a hexagonal carbon layer and has a large ring end at one...
6969504 Electrical conductors comprising single-wall carbon nanotubes  
The present invention concerns electrical conductors comprising armchair single-wall carbon nanotubes. Such electrical conductors made by the invention are metallic, i.e., they will conduct...
6960334 Amorphous nano-scale carbon tube and production method therefor  
Straight, nano-scale-order amorphous carbon tubes having a long-term stable ability for storing various kinds of gases and being stable in shape, and a novel process for producing said carbon tubes...
6939525 Method of forming composite arrays of single-wall carbon nanotubes and compositions thereof  
This invention relates generally to forming arrays of single-wall carbon nanotubes (SWNT) and compositions thereof. In one embodiment, the present invention involves forming an array from more than...
6936653 Composite materials comprising polar polymers and single-wall carbon nanotubes  
The invention relates to a composite comprising a weight fraction of single-wall carbon nanotubes and at least one polar polymer wherein the composite has an electrical and/or thermal conductivity...
6923946 Condensed phase conversion and growth of nanorods instead of from vapor  
Compositions, systems and methods are described for condensed phase conversion and growth of nanorods and other materials. A method includes providing a condensed phase matrix material; and...
6897603 Catalyst for carbon nanotube growth  
Nanoparticles are coated using thick-film techniques with a catalyst to promote the growth of carbon nanotubes thereon. In one example, alumina nanoparticles are coated with a copper catalyst. Such...
6896864 Spatial localization of dispersed single walled carbon nanotubes into useful structures  
Methods of aligning single walled carbon nanotube structures into selected orientations for a variety of different applications are achieved by initially dispersing the nanotube structures in...
6890505 Fine carbon wires and methods for producing the same  
A novel fine carbon wire includes a needle-like fullerene crystal having a smooth surface. The fine carbon wire can be produced by a method including the steps of (1) adding a solution containing...
6890986 Substantially pure bulk pyrocarbon and methods of preparation  
The present invention provides a substantially pure and finely divided granular pyrolytic carbon material. The substantially pure pyrolytic carbon can be used in a variety of applications including...
Matches 51 - 100 out of 361 < 1 2 3 4 5 6 7 8 >