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Elemental Carbon Containing

Elemental Carbon Containing patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

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Compositions


Electrically Conductive Or Emissive Compositions > Elemental Carbon Containing



Polymeric precursors for producing graphene nanoribbons and methods for preparing them
12/04/14 - 20140353554 - An oligophenylene monomer of general formula (I) wherein R1 and R2 are independently of each other H, halogene, —OH, —NH2, —CN, —NO2 or a linear or branched, saturated or unsaturated C1-C40 hydrocarbon residue, which can be substituted 1- to 5-fold with halogene (F, Cl, Br, I), —OH, —NH2, —CN and/or...

Graphene / carbon compositions
10/09/14 - 20140299818 - High surface area nano sized graphene and carbon compositions....

Method for modifying surface of powder and composite containing surface-modified powder
07/24/14 - 20140203217 - A method for modifying a surface of a powder is provided. The method includes steps of providing a polar aprotic solvent; and mixing the polar aprotic solvent with the powder so that the polar aprotic solvent adheres to the surface of the powder....

Boron nitride converted carbon fiber
07/17/14 - 20140197366 - This disclosure provides systems, methods, and apparatus related to boron nitride converted carbon fiber. In one aspect, a method may include the operations of providing boron oxide and carbon fiber, heating the boron oxide to melt the boron oxide and heating the carbon fiber, mixing a nitrogen-containing gas with boron...

Graphene-based composite and method of preparing the same
07/03/14 - 20140183415 - A graphene-based composite includes graphene and a structure former contacting the graphite, wherein the structure former is a metal oxide or a carbon compound and includes pores therein, and the graphene-based composite has a porous particle structure. The graphene-based composite can have a large specific surface area and excellent charge...

Silicon particles for battery electrodes
06/19/14 - 20140166939 - Silicon particles for active materials and electro-chemical cells are provided. The active materials comprising silicon particles described herein can be utilized as an electrode material for a battery. In certain embodiments, the composite material includes greater than 0% and less than about 90% by weight of silicon particles. The silicon...

Negative-electrode active material for rechargeable lithium battery
04/24/14 - 20140110634 - The present invention relates to negative-electrode active material for rechargeable lithium battery comprising: a core comprising material capable of doping and dedoping lithium; and, a carbon layer formed on the surface of the core, wherein the carbon layer has a three dimensional porous structure comprising nanopores regularly ordered on the...

Carbon particles
01/30/14 - 20140027677 - A composition generally includes carbon particles. The particles are prepared by dissolving a carbohydrate-based precursor in water to form a precursor solution and placing the precursor solution in a pressure vessel. The precursor solution is placed in a pressure vessel. The pressure vessel is heated to a reaction temperature to...

Silicon-carbon composite for negative electrode of lithium secondary battery
01/23/14 - 20140021415 - Disclosed is a silicon-carbon composite for a negative active material of a lithium secondary battery, including carbon nanofibers and silicon particles, wherein the silicon particles are coated with amorphous silica. In the silicon-carbon composite of the invention, silicon is provided in the form of a composite with carbon fibers and...

Negative electrode material for nonaqueous electrolyte secondary battery and method for manufacturing the same
12/19/13 - 20130334468 - The present invention provides a method for manufacturing a negative electrode material for a nonaqueous electrolyte secondary battery, which includes the steps of: preparing silicon nanoparticles; manufacturing the silicon-carbon composite material that contains the silicon nanoparticles and a carbonaceous material; and heat-compressing the silicon-carbon composite material. As a result, there...

Conductive thin film and transparent electrode including graphene oxide and carbon nanotube, and methods of producing the same
11/21/13 - 20130306915 - A conductive thin film, a transparent electrode, and methods of producing the same are provided. A method for preparing a conductive thin film may involve forming a layer of reduced graphene oxide and carbon nanotube on a substrate using a reducing agent containing a halogen atom....

Synthesis of high specific capacitance porous carbon powders for use in double electric layer electrochemical capacitors
11/14/13 - 20130299748 - The present invention relates to the field of the synthesis of porous carbon materials and their use in the manufacture of electrodes with a double electric layer (DEL) for electrochemical capacitors having an aqueous and organic electrolyte having high specific energy parameters. The synthesis technology makes it possible to manufacture...

Pigment granules
10/10/13 - 20130264523 - The present invention relates to conductive pigment granules which are distinguished by the fact that they are based on a support material, where the support material has been coated with one or more electrically conductive pigments by means of an adhesion promoter. The pigment granules according to the invention are...

Method for manufacturing dispersion liquid of carbon nanotube aggregates
08/22/13 - 20130214210 - Provided is a process for producing a dispersion liquid of carbon nanotube aggregates in which the carbon nanotube aggregates are dispersed in a dispersion medium, comprising the two steps: (A) a step of adsorbing a dispersant to carbon nanotube aggregates by physical dispersion treatment in a dispersion medium to prepare...

Nanocomposite material containing glass fiber coated with carbon nanotubes and graphite and a method of preparing the same
08/08/13 - 20130200309 - The present disclosure relates to a nanocomposite material containing carbon nanotube coated glass fiber and graphite, in which fiber-shaped conductive particles obtained by coating a glass fiber with carbon nanotube as a conductive material with a good electromagnetic wave shielding property are hybridized with graphite sheets having a nanometer thickness...

Production of dispersions containing carbon nanotubes
08/08/13 - 20130200310 - Process for the preparation of stable suspensions and dispersions of carbon nanotubes, and dispersions prepared by the process....

Carbon material for battery electrode and production method and use thereof
07/04/13 - 20130168610 - The invention relates to a carbon material for forming a battery electrode, comprising carbon powder having a homogeneous structure which is produced by causing an organic compound, serving as a raw material of a polymer, to deposit onto and/or permeate into carbonaceous particles, and subsequently polymerizing the organic compound, followed...

Method for manufacturing composite positive electrode active material
06/13/13 - 20130146819 - The invention relates to a method for manufacturing a composite positive electrode active material being a composite of a positive electrode active material and carbon nanotubes. The manufacturing method includes preparing an aqueous solution of a starting material of a positive electrode active material containing a starting material of the...

Ceramic boron-containing doping paste and methods thereof
05/16/13 - 20130119319 - A ceramic boron-containing dopant paste is disclosed. The ceramic boron-containing dopant paste further comprising a set of solvents, a set of ceramic particles dispersed in the set of solvents, a set of boron compound particles dispersed in the set of solvents, a set of binder molecules dissolved in the set...

Measuring moisture in a cnt based fluid or paste
05/02/13 - 20130105741 - The present disclosure relates to pastes and methods of making a moisture determination of the paste during manufacture; optionally, the pastes comprise carbon nanotubes....

Phosphorated composite and anode using the same
04/25/13 - 20130099172 - A phosphorated composite capable of electrochemical reversible lithium storage includes a conductive matrix and red phosphorus. The conductive matrix includes a material being selected from the group consisting of conductive polymer and conductive carbonaceous material. A weight percentage of the conductive matrix in the phosphorated composite ranges from about 10%...

Method for making phosphorated composite
04/25/13 - 20130099173 - A method for making the phosphorated composite e is provided. First, a mixture is obtained by mixing a source material with red phosphorus. The weight ratio of the source material to the red phosphorus ranges from about 1:10 to about 5:1. Second, the mixture is dried in an inert atmosphere...

Method for preparing silicon oxide-carbon composite for negative electrode of lithium secondary battery
03/28/13 - 20130075667 - A method of preparing a silicon oxide (Six)-carbon composite for a negative-electrode active material of a lithium secondary battery, includes mixing silicon (Si) particles and a polymer material with an organic solvent, thus preparing a mixture solution, optionally electrospinning the mixture solution thus preparing a composite having a one-dimensional structure,...

Doped-carbon nano-architectured structures and methods for fabricating same
03/21/13 - 20130069011 - In an exemplary method, a nano-architectured carbon structure is fabricated by forming a unit (e.g., a film) of a liquid carbon-containing starting material and at least one dopant. A surface of the unit is nano-molded using a durable mold that is pre-formed with a pattern of nano-concavities corresponding to a...

Preparation of nitrogen-doped carbon tubes
02/28/13 - 20130048919 - A method for synthesizing nitrogen-doped carbon tubes involves preparing a solution of cyanamide and a suitable transition metal-containing salt in a solvent, evaporating the solvent to form a solid, and pyrolyzing the solid under an inert atmosphere under conditions suitable for the production of nitrogen-doped carbon tubes from the solid....

Few-layered graphene materials and films thereof preparing
02/21/13 - 20130043436 - Disclosed are a process for preparing a solution comprising few-layered graphene, a process for preparing a few-layered graphene solid, and a process for preparing a film thereof....

Electrodes for electrochemical capacitor and electrochemical capacitor including the same
02/14/13 - 20130037756 - An electrode for an electrochemical capacitor including a carbon material that is doped and two types of conductive materials with different particle sizes, and an electrochemical capacitor including the same. The doped carbon material is used as the active material and the two types of conductive materials with different particle...

Composite for providing electromagnetic shielding
02/07/13 - 20130032765 - A composite for providing electromagnetic shielding including a plurality of elongate nanostructures; and a plurality of elongate conductive elements....

Electroactive agglomerated particles
10/25/12 - 20120267580 - Provided herein are electroactive agglomerated particles, which comprise nanoparticles of a first electroactive material and nanoparticles of a second electroactive materials, and processes of preparation thereof....

Voltage switchable dielectric material having bonded particle constituents
08/30/12 - 20120217450 - A voltage switchable dielectric material comprising a concentration of multi-component particles that are individually formed by a mechanical or mechanochemical bonding process that bonds a semiconductive or conductive-type host particle with multiple insulative, conductive, or semi-conductive guest particles....

Cathode material structure and method for preparing the same
06/21/12 - 20120153231 - A cathode material structure and a method for preparing the same are described. The cathode material structure includes a material body and a composite film coated thereon. The material body has a particle size of 0.1-50 μm. The composite film has a porous structure and electrical conductivity....

Composite sulphur/carbon conductive material, use as an electrode and method for producing such a material
05/17/12 - 20120119158 - A method for producing a composite sulphur/carbon conductive material obtained solely from an initial sulphur and an initial carbon which includes the following successive steps between 50% and 90% by weight of initial sulphur and between 50% and 10% by weight of initial carbon having a specific surface smaller than...

Materials and methodss for the preparation of nanocomposites
05/03/12 - 20120104325 - Disclosed herein is an isolable colloidal particle comprising a nanoparticle and an inorganic capping agent bound to the surface of the nanoparticle, a solution of the same, a method for making the same from a biphasic solvent mixture, and the formation of structures and solids from the isolable colloidal particle....

Conductive films based on graphene and process for preparing the same
01/19/12 - 20120012796 - The present invention is directed to a process for preparing a conductive film comprising: 1) coating a solution comprising functionalized graphene on the surface of a substrate to form a film; and 2) chemically reducing and/or calcining the film, which is loaded on the matrix material and obtained in step...

Activated carbon blacks
01/12/12 - 20120007027 - Activated carbon blacks and the enhanced methods of preparing activated carbon blacks have been discovered. In order to form an activated carbon black, a conductive carbon black is coated with nanoparticles containing metal, and then catalytically activated in steam and an inert gas to form a catalytically activated mesoporous carbon...

Electrode-active material for electrochemical elements
12/22/11 - 20110309310 - A process for producing active material for an electrode of an electrochemical element includes providing carbon particles, applying a silicon precursor to surfaces of the carbon particles, and thermally decomposing the silicon precursor to form metallic silicon....

Methods for producing precursor solutions and sol-gels for nano-engineered carbon materials and nano-engineered carbon materials created therefrom
12/15/11 - 20110303880 - Methods of manufacturing nano-engineered carbon materials, such as carbon aerogels and carbon xerogels, and methods of manufacturing precursor solutions and sol-gels for making the same are provided. A method for manufacturing a precursor solution comprises programmed-addition of a cross-linking agent to a component mixture comprising a resorcinol compound. A method...

Method for sorting nanoobjects and an apparatus fabricated thereby
11/24/11 - 20110284803 - A method for sorting nanoobjects from the mixture comprising nanoobjects such as semiconducting and metallic carbon nanotubes and an apparatus fabricated thereby. An embodiment comprises an energy transfer to the mixture in a way that the degree in which nanoonobjects are heated and bonded to the surface of a substance...

Electrophoretic deposition and reduction of graphene oxide to make graphene film coatings and electrode structures
09/22/11 - 20110227000 - Disclosed are methods for preparing electrophoretically deposited graphene based films....

Method for producing composite materials having reduced resistance and comprising carbon nanotubes
08/25/11 - 20110204296 - The present invention relates to a process for producing a composite having a reduced electrical resistance which comprises providing a mixture comprising a fluid material and carbon nanotubes (CNTs) having a predeterminable size distribution, and subjecting the mixture to a minimum stress in a dispersing machine, wherein the minimum stress...

Burned plant material and electromagnetic shielding member
07/21/11 - 20110175037 - A burned plant material is produced from soybean hulls, rapeseed meal, sesame meal, cotton seed meal, cotton hulls, rice hulls, rice bran, soybean chaffs, rice straws, cereal hulls or the like by adjusting any of the carbon content, burning temperature and median diameter. The burned and carbonized plant material is...

Carbon nanotube based composite surface enhanced raman scattering (sers) probe
07/14/11 - 20110168954 - An electromagnetic and/or chemical enhancement which greatly enhances the Raman signal response for Surface Enhanced Raman is directed to molecular probe systems. Such molecular probe systems have many properties that make them ideal as probes for Scanning Probe Microscopy, Atomic Force Microscopy, and many other applications....

Composite carbon electrodes useful in electric double layer capacitors and capacitive deionization and methods of making the same
07/07/11 - 20110163273 - Composite carbon electrodes for use in, for example, Capacitive Deionization (CDI) of a fluid stream or, for example, an electric double layer capacitor (EDLC) are described. Methods of making the composite carbon electrodes are also described. The composite carbon electrode comprises an electrically conductive porous matrix comprising carbon; and an...

Method of producing electrode material precursor and electrode material using the electrode material precursor
06/09/11 - 20110133131 - Provided is a method of producing an electrode material precursor having a core-shell structure in which the particle size is extremely small and the particle diameter is uniform, and a method of efficiently producing an electrode material using the obtained precursor. The method is for producing an electrode material precursor...

Coated electroactive materials
05/26/11 - 20110121240 - A process includes suspending an electroactive material in a solvent, suspending or dissolving a carbon precursor in the solvent; and depositing the carbon precursor on the electroactive material to form a carbon-coated electroactive material. Compositions include a graphene-coated electroactive material prepared from a solution phase mixture or suspension of an...

Process for producing carbon nanotubes from renewable raw materials
05/26/11 - 20110121241 - The invention also relates to nanotubes capable of being obtained according to the abovementioned process, which can be advantageously used in all the known fields of application of carbon nanotubes....

Composites comprising carbon nanotubes on fiber
02/03/11 - 20110024694 - A composite composition includes a plurality of carbon nanotube (CNT)-infused fibers dispersed in a matrix material. The amount of carbon nanotubes in the composition is in a range between about 0.1% percent by weight to about 60 percent by weight of the composite....

Multiple function, self-repairing composites with special adhesives
12/09/10 - 20100308276 - A system for self-repairing matrices such as concrete or cementitous matrices, polymeric matrices, and/or fibrous matrices, including laminates thereof. The system includes repair agents retained in and/or on vessels, such as hollow fibers, within the matrix. Upon impact, the vessel rupture, releasing the chemicals. For multi-layer laminates, the systems provides...

Carbon nanotube assembly and process for producing the same
12/02/10 - 20100301278 - (3) the weight loss from 200° C. to 400° C. in thermogravimetry at a temperature rise of 10° C./min is from 5% to 20%....

Stable dispersions of single and multiple graphene layers in solution
12/02/10 - 20100301279 - Dependent on the method used for the preparation of the starting dispersion a graphene or a multi-graphene dispersion is obtained that can be further processed to multi-graphene with larger inter-planar distances than graphite. Such dispersions and multi-graphenes are for example suitable materials in the manufacturing of rechargeable lithium ion batteries....

Methods and compositions for improved electrophoretic display performance
12/02/10 - 20100301280 - The invention is directed to novel methods and compositions useful for improving the performance of electrophoretic displays. The methods comprise adding a high absorbance dye or pigment, or conductive particles, or a conductive filler in the form of nanoparticles and having a volume resistivity of less than about 104 ohm...

Electromagnetic shielding material and method for manufacturing the same
11/18/10 - 20100288979 - An electromagnetic shielding material includes conductive particles, an antioxidant, and conductive adhesive bonding the conductive particles and the antioxidant together. Volume of the conductive particles accounts for total volume of the electromagnetic shielding material in a range from about 85% to about 92%, volume of the antioxidant accounts for the...

Composition containing fullerene derivative and organic photoelectric converter using the same
11/04/10 - 20100276643 - Disclosed is a composition which is characterized by obtained by bringing an adsorbent into contact with a composition containing a fullerene derivative and a solvent....

Microspheres and their methods of preparation
09/23/10 - 20100237295 - Carbon microspheres are doped with boron to enhance the electrical and physical properties of the microspheres. The boron-doped carbon microspheres are formed by a CVD process in which a catalyst, carbon source and boron source are evaporated, heated and deposited onto an inert substrate....

Method for producing composite material for positive electrode of lithium battery
09/16/10 - 20100230641 - The present invention provides a method for producing a composite material for positive electrodes of lithium batteries which is particularly excellent in high-rate discharge characteristics. The method for producing a composite material for positive electrodes of lithium batteries, contains: a dispersing step of dispersing at least the positive electrode active...

Highly accessible, nanotube electrodes for large surface area contact applications
08/19/10 - 20100207074 - An highly porous electrically conducting film that includes a plurality of carbon nanotubes, nanowires or a combination of both. The highly porous electrically conducting film exhibits an electrical resistivity of less than 0.1 Ω·cm at 25 C and a density of between 0.05 and 0.70 g/cm3. The film can exhibit...

Process of preparing carbon nanotube film, the carbon nanotube film prepared thereby and carbon nanotube elements comprising the same
08/05/10 - 20100193747 - A process of a preparing transparent conductive carbon nanotube (CNT) film, the carbon nanotube film prepared by the process, and carbon nanotube elements including the carbon nanotube film are provided. The carbon nanotube film has a higher transparency and much lower sheet resistance compared with the carbon nanotube film obtained...

Highly conductive, transparent carbon films as electrode materials
07/29/10 - 20100187482 - The present invention relates to an optically transparent conductive carbon-based film which is suitable for use as an electrode in optoelectronic devices etc. Further, the invention relates to a process for the production of the transparent conductive carbon film and the use thereof in electronic devices. Organic solar cells using...

Redox fractionation of single-walled carbon nanotubes
07/15/10 - 20100176349 - A method for separating fractions of single-walled carbon nanotubes includes exposing a solution containing fractions of single-walled carbon nanotubes to a reducing agent and separating the resulting reaction products. An alternate method for separating fractions of single-walled carbon nanotubes includes exposing a solution containing fractions of single-walled carbon nanotubes to...

Method for creating voltage switchable dielectric material
06/24/10 - 20100155671 - One or more embodiments provide for a composition that includes (i) organic material that is conductive or semi-conductive, and (ii) conductor and/or semiconductor particles other than the organic material. The organic material and the conductor and/or semiconductor particles are combined to provide the composition with a characteristic of being (i)...

Method of producing a film of carbon nanotubes on a substrate
04/29/10 - 20100102280 - A method of producing a film of carbon nanotubes on a substrate, a film produced by such method, and uses of such a film....

Nanoscale silicon-based compositions and methods of preparation
04/01/10 - 20100078599 - The present invention is related to nano-particle compositions, methods of their preparation and applications thereof. The nano-particle compositions include silicon-containing nano-particles, a graphite matrix, carbon nanotubes and an amorphous carbon interface formed between the silicon-containing nano-particles and the graphite matrix....

Device and method for producing nanotubes
03/25/10 - 20100072429 - The invention relates to an apparatus for producing nanotubes, the apparatus being adapted to produce doped and/or undoped single-walled or multi-walled nanotubes, the apparatus comprising at least a thermal reactor. In accordance with the invention, the reactor is at least of the hottest part thereof and at least partly manufactured...

Aqueous carbon nanotube applicator liquids and methods for producing applicator liquids thereof
03/04/10 - 20100051880 - Certain applicator liquids and method of making the applicator liquids are described. The applicator liquids can be used to form nanotube films or fabrics of controlled properties. An applicator liquid for preparation of a nanotube film or fabric includes a controlled concentration of nanotubes dispersed in a liquid medium containing...

Durable transparent conductors on polymeric substrates
02/18/10 - 20100038601 - A method of preparing a transparent conductor for application on a polymeric substrate is described. The method includes introducing a functional group onto a surface of the conductor to form a modified conductor, and mixing the modified conductor with a dispersant at slightly elevated temperatures to form a conductive material...

Method for preparing carbon material for electrode of electrochemical devices
11/05/09 - 20090272945 - A method for preparing a carbon material for an electrode is provided that comprises a step for activating a mixture of a carbonous main material and a conductive additive....

Graphite material, carbon material for battery electrode, and battery
10/01/09 - 20090242849 - A carbon raw material such as a green coke in which loss on heat when it is heated from 300 to 1200° C. under an inert atmosphere is no less than 5% by mass and no more than 20% by mass is pulverized and then the pulverized carbon raw material...

Dispersion and method for the production thereof
09/10/09 - 20090224211 - The present invention relates to a dispersion, consisting of a dispersing liquid and at least one solid substance that is distributed in the dispersing liquid. In order to obtain a dispersion with particularly good properties, it is provided that the dispersing liquid has an aqueous and/or non-aqueous base, that the...

Hollow carbon nanosphere based secondary cell electrodes
08/13/09 - 20090200518 - The inventive subject matter relates to hollow carbon nanospheres (HCNS) as a material for making ion storage material, and particularly lithium ion storage material used for batteries....

Separation of carbon nanotubes in density gradients
07/09/09 - 20090173918 - The separation of single-walled carbon nanotubes (SWNTs), by chirality and/or diameter, using centrifugation of compositions of SWNTs in and surface active components in density gradient media....

Method of making an applicator liquid for electronics fabrication process
06/04/09 - 20090140213 - Certain spin-coatable liquids and application techniques are described, which can be used to form nanotube films or fabrics of controlled properties. A method of making an applicator liquid containing nanotubes for use in an electronics fabrication process includes characterizing an electronic fabrication process according to fabrication compatible solvents and allowable...