| Entries |
| Document | Title | Date |
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| 20080217588 | Monodisperse single-walled carbon nanotube populations and related methods for providing same - The present teachings provide methods for providing populations of single-walled carbon nanotubes that are substantially monodisperse in terms of diameter, electronic type, and/or chirality. Also provided are single-walled carbon nanotube populations provided thereby and articles of manufacture including such populations. | 09-11-2008 |
| 20080290326 | Controlled alignment of catalytically grown nanostructures in a large-scale synthesis process - Systems and methods are described for controlled alignment of catalytically grown nanostructures in a large-scale synthesis process. A method includes: generating an electric field proximate an edge of a protruding section of an electrode, the electric field defining a vector; and forming an elongated nanostructure located at a position on a surface of a substrate, the position on the surface of the substrate proximate the edge of the protruding section of the electrode, at least one tangent to the elongated nanostructure i) substantially parallel to the vector defined by the electric field and ii) substantially non-parallel to a normal defined by the surface of the substrate. | 11-27-2008 |
| 20080308772 | Method of Carbon Nanotube Separation, Dispersion Liquid and Carbon Nanotube Obtained by the Separation Method - A method of realizing selective separation of metallic single-walled carbon nanotubes and semiconducting carbon nanotubes from bundled carbon nanotubes; and obtaining of metallic single-walled carbon nanotubes separated at high purity through the above method. Metallic single-walled carbon nanotubes are dispersed one by one from bundled carbon nanotubes not only by the use of a difference in interaction with amine between metallic single-walled carbon nanotubes and semiconducting carbon nanotubes due to a difference in electrical properties between metallic single-walled carbon nanotubes and semiconducting carbon nanotubes but also by the use of the fact that an amine is an important factor in SWNTs separation. The thus dispersed carbon nanotubes are subjected to centrifugation, thereby attaining separation from non-dispersed semiconducting carbon nanotubes. | 12-18-2008 |
| 20090026422 | Electrode Material for Electric Double Layer Capacitor and Process for Producing the Same, Electrode for Electric Double Layer Capacitor, and Electric Double Layer Capacitor - The present invention provides an electrode material for an electric double layer capacitor which can provide an electric double layer capacitor having a low internal resistance and a large capacitance, a process for producing the same, and an electrode for an electric double layer capacitor and an electric double layer capacitor using the same. The electrode material of the present invention is characterized by comprising a carbonaceous material and an activated carbon, the carbonaceous material obtained by thermal-treating or activating a fullerene-containing soot or an extracted residue obtained by substantially extracting at least a part of fullerene from a fullerene-containing soot using a solvent. The electrode for an electric double layer capacitor and the electric double layer capacitor of the present invention is characterized by using the electrode material. | 01-29-2009 |
| 20090050856 | VOLTAGE SWITCHABLE DIELECTRIC MATERIAL INCORPORATING MODIFIED HIGH ASPECT RATIO PARTICLES - Embodiments described herein provide for a composition of voltage switchable dielectric (VSD) material that includes a concentration of modified high-aspect ratio (HAR) particles. In an embodiment, at least a portion of the concentration includes HAR particles are surface-modified to provide core-shell HAR particles. As an alternative or addition, a portion of the concentration includes HAR particles that are surface-modified to have activated surfaces. | 02-26-2009 |
| 20090078914 | Methods and devices for electrophoretic deposition of a uniform carbon nanotube composite film - Methods and devices are provided relating to the homogeneous deposition of a composite film of carbon nanotubes by electrophoresis. The methods comprise linking carbon nanotubes to matrix particles prior to electrophoretic deposition. The methods improve the adhesion of the composite film to the substrate and reduce the surface roughness. Carbon nanotube films and electron field emission cathodes fabricated by this process demonstrate enhanced electron field emission characteristics. | 03-26-2009 |
| 20090140213 | METHOD OF MAKING AN APPLICATOR LIQUID FOR ELECTRONICS FABRICATION PROCESS - 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 levels of metallic and particle impurities; providing nanotubes that satisfy the allowable impurities criteria for the electronics fabrication process; providing a solvent that meets the fabrication compatible solvents and allowable impurities criteria for the electronic fabrication process; and dispersing the nanotubes into the solvent at a concentration of at least one milligram of nanotubes per liter solvent to form an applicator liquid. | 06-04-2009 |
| 20090173918 | Separation of carbon nanotubes in density gradients - 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. | 07-09-2009 |
| 20090200518 | Hollow Carbon Nanosphere Based Secondary Cell Electrodes - 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. | 08-13-2009 |
| 20090242849 | GRAPHITE MATERIAL, CARBON MATERIAL FOR BATTERY ELECTRODE, AND BATTERY - 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 is graphitized to obtain a graphite material suitable for a carbon material for anode in a lithium-ion secondary battery or the like that enables to make electrodes having a high-energy density and a large-current load characteristic since it has a small specific surface area and a small average particle diameter while maintaining high beginning efficiency and a high discharge capacity in the first round of charging and discharging. And an electrode for batteries are obtained using the graphite material. | 10-01-2009 |
| 20090261302 | DISPERSION COMPRISING THIN PARTICLES HAVING A SKELETON CONSISTING OF CARBONS, ELECTROCONDUCTIVE COATING FILM, ELECTROCONDUCTIVE COMPOSITE MATERIAL, AND A PROCESS FOR PRODUCING THEM - The invention provides a dispersion capable of producing an electroconductive coating film and an electroconductive composite material comprising thin particles having a skeleton consisting of carbons, which can, without any problem in film manufacturability, attain high electrical conductivity at a temperature as lower as possible without deteriorating the dispersed state of the thin particles, a produced material, and a process for producing them. | 10-22-2009 |
| 20090272945 | METHOD FOR PREPARING CARBON MATERIAL FOR ELECTRODE OF ELECTROCHEMICAL DEVICES - 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. | 11-05-2009 |
| 20100038601 | DURABLE TRANSPARENT CONDUCTORS ON POLYMERIC SUBSTRATES - 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 composition. The dispersant is at least bifunctional. The conductive material composition may then be applied to the polymeric substrate. The dispersant acts as a linker, bonding the transparent conductor and polymeric substrate such that they are fully integrated. | 02-18-2010 |
| 20100051880 | AQUEOUS CARBON NANOTUBE APPLICATOR LIQUIDS AND METHODS FOR PRODUCING APPLICATOR LIQUIDS THEREOF - 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 water. The controlled concentration is sufficient to form a nanotube fabric or film of preselected density and uniformity. | 03-04-2010 |
| 20100072429 | DEVICE AND METHOD FOR PRODUCING NANOTUBES - 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 from a material that is at least partly sublimed into the thermal reactor as a result of the thermal reactor being heated, and the sublimed material at least partly participates in the growth of the nanotubes. | 03-25-2010 |
| 20100078599 | Nanoscale Silicon-Based Compositions and Methods of Preparation - 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. | 04-01-2010 |
| 20100102280 | METHOD OF PRODUCING A FILM OF CARBON NANOTUBES ON A SUBSTRATE - A method of producing a film of carbon nanotubes on a substrate, a film produced by such method, and uses of such a film. | 04-29-2010 |
| 20100155671 | METHOD FOR CREATING VOLTAGE SWITCHABLE DIELECTRIC MATERIAL - 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) dielectric in absence of a voltage that exceeds a characteristic voltage level, and (ii) conductive with application of the voltage exceeding the characteristic voltage level. | 06-24-2010 |
| 20100176349 | REDOX FRACTIONATION OF SINGLE-WALLED CARBON NANOTUBES - 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 an oxidizing agent and separating the resulting reaction products. A third method for separating fractions of single-walled carbon nanotubes includes exposing a solution containing fractions of substantially non-functionalized single-walled carbon nanotubes to a charge transfer complex agent and separating the resulting reaction products. These methods allow the production of single-walled carbon nanotubes of approximately 95 to 99% metallic and semiconducting types. | 07-15-2010 |
| 20100187482 | Highly Conductive, Transparent Carbon Films as Electrode Materials - 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 transparent conductive carbon film as electrode display comparable performance with cells using ITO. These carbon films show high thermal and chemical stability, ultra-smooth surface, and good adhesion to substrates. | 07-29-2010 |
| 20100193747 | PROCESS OF PREPARING CARBON NANOTUBE FILM, THE CARBON NANOTUBE FILM PREPARED THEREBY AND CARBON NANOTUBE ELEMENTS COMPRISING THE SAME - 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 by a conventional filtration process. | 08-05-2010 |
| 20100207074 | HIGHLY ACCESSIBLE, NANOTUBE ELECTRODES FOR LARGE SURFACE AREA CONTACT APPLICATIONS - 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/cm | 08-19-2010 |
| 20100230641 | METHOD FOR PRODUCING COMPOSITE MATERIAL FOR POSITIVE ELECTRODE OF LITHIUM BATTERY - 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 material and the conductive material 1 in a solvent to be in a forcibly dispersed state; and a composite particle-forming step of obtaining composite particles containing the positive electrode active material and the conductive material 1 by a process for agglutinating the conductive material 1 together with the positive electrode active material in the solvent or by a process for removing the solvent. | 09-16-2010 |
| 20100237295 | MICROSPHERES AND THEIR METHODS OF PREPARATION - 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. | 09-23-2010 |
| 20100276643 | COMPOSITION CONTAINING FULLERENE DERIVATIVE AND ORGANIC PHOTOELECTRIC CONVERTER USING THE SAME - 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. | 11-04-2010 |
| 20100288979 | ELECTROMAGNETIC SHIELDING MATERIAL AND METHOD FOR MANUFACTURING THE SAME - 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 total volume of the electromagnetic shielding material in a range from about 3% to about 5%, and volume of the conductive adhesive accounts for the total volume of the electromagnetic shielding material in a range from about 5% to about 10%. | 11-18-2010 |
| 20100301278 | CARBON NANOTUBE ASSEMBLY AND PROCESS FOR PRODUCING THE SAME - An aggregate of carbon nanotubes satisfying all of the following requirements (1) to (3):
| 12-02-2010 |
| 20100301279 | STABLE DISPERSIONS OF SINGLE AND MULTIPLE GRAPHENE LAYERS IN SOLUTION - Disclosed is a method for producing colloidal graphene dispersions comprising the steps of
| 12-02-2010 |
| 20100301280 | METHODS AND COMPOSITIONS FOR IMPROVED ELECTROPHORETIC DISPLAY PERFORMANCE - 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 10 | 12-02-2010 |
| 20100308276 | MULTIPLE FUNCTION, SELF-REPAIRING COMPOSITES WITH SPECIAL ADHESIVES - 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 a total dynamic energetic circulation system that functions as an in situ fluidic system in at least one layer or area. The energy from the impact ruptures the vessels to release the chemical(s), and mixes the chemical(s) and pushes the chemical(s) and/or resulting compound through the matrix. The repair agents can withstand high temperatures, such as the heat of processing of many laminates, e.g., 250-350° F. | 12-09-2010 |
| 20110024694 | COMPOSITES COMPRISING CARBON NANOTUBES ON FIBER - 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. | 02-03-2011 |
| 20110121240 | COATED ELECTROACTIVE MATERIALS - 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 electroactive material and graphene, graphene oxide, or a mixture thereof. | 05-26-2011 |
| 20110121241 | Process for Producing Carbon Nanotubes from Renewable Raw Materials - A subject of the present invention is a process for producing carbon nanotubes, the process comprising:
| 05-26-2011 |
| 20110133131 | Method of Producing Electrode Material Precursor and Electrode Material Using the Electrode Material Precursor - 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 having a core-shell structure in which an active material core is coated with polyaniline, wherein an oxidizing agent is added to a solution containing aniline and an active raw material to generate fine active material particles, and aniline is polymerized at the surface of the fine particles. An electrode material having a core-shell structure in which an active material core is coated with carbon is produced by subjecting the electrode material precursor obtained in the foregoing production method to heat treatment in a reduction atmosphere at 300 to 900° C. | 06-09-2011 |
| 20110163273 | COMPOSITE CARBON ELECTRODES USEFUL IN ELECTRIC DOUBLE LAYER CAPACITORS AND CAPACITIVE DEIONIZATION AND METHODS OF MAKING THE SAME - 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 electric double layer capacitor, comprising an activated carbonized material, dispersed throughout the pore volume of the electrically conductive porous matrix. | 07-07-2011 |
| 20110168954 | CARBON NANOTUBE BASED COMPOSITE SURFACE ENHANCED RAMAN SCATTERING (SERS) PROBE - 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. | 07-14-2011 |
| 20110175037 | BURNED PLANT MATERIAL AND ELECTROMAGNETIC SHIELDING MEMBER - Provided is an electrically conductive composition capable of making specific volume resistivity control easier, which can be produced by using a carbonaceous material comprising a burned plant material alone. | 07-21-2011 |
| 20110204296 | METHOD FOR PRODUCING COMPOSITE MATERIALS HAVING REDUCED RESISTANCE AND COMPRISING CARBON NANOTUBES - 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 is determined empirically as a function of the predetermined size distribution. | 08-25-2011 |
| 20110227000 | ELECTROPHORETIC DEPOSITION AND REDUCTION OF GRAPHENE OXIDE TO MAKE GRAPHENE FILM COATINGS AND ELECTRODE STRUCTURES - Disclosed are methods for preparing electrophoretically deposited graphene based films. | 09-22-2011 |
| 20110284803 | Method for sorting nanoobjects and an apparatus fabricated thereby - 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 depends on their electrical conductivities. The next embodiment comprises an electrolytic deposition of a material on the mixture in a way that the degree in which nanoanobjects are bonded to the surface of the substance by the deposited layer depends on their electrical conductivities. The above nanoobjects are sorted by selectively separating mostly the weaker bonded nanoobjects from the surface. Another embodiment comprises an energy transfer in a low pressure reactive gas medium to the mixture in a way that the degree in which nanoonobjects are heated and chemically modified depends on their conductivities. | 11-24-2011 |
| 20110303880 | METHODS FOR PRODUCING PRECURSOR SOLUTIONS AND SOL-GELS FOR NANO-ENGINEERED CARBON MATERIALS AND NANO-ENGINEERED CARBON MATERIALS CREATED THEREFROM - 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 for manufacturing a sol-gel comprises subjecting a precursor solutions to at least one heat treatment. Methods for producing nano-engineered carbon materials from precursor solutions and sol-gels are also provided. Methods for using the nano-engineered carbon materials are also disclosed. The resulting nano-engineered carbon materials can be useful in a range of products including, supercapacitor applications, high-surface-area electrodes, fuel cells, and desalination systems. | 12-15-2011 |
| 20110309310 | ELECTRODE-ACTIVE MATERIAL FOR ELECTROCHEMICAL ELEMENTS - 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. | 12-22-2011 |
| 20120007027 | ACTIVATED CARBON BLACKS - 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 black, where the mass of the catalytically activated carbon black is lower than the mass of the carbon black. The nanoparticles may serve as catalysts for activation rugosity of mesoporous carbon blacks. The catalytically activated carbon black material may be used in all manner of devices that contain carbon materials. | 01-12-2012 |
| 20120012796 | CONDUCTIVE FILMS BASED ON GRAPHENE AND PROCESS FOR PREPARING THE SAME - 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 1). The process can be used to prepare a conductive film on various substrates, such as steel, glass, ceramic, quartz, carbon materials, silicon materials, and organic materials. | 01-19-2012 |
| 20120104325 | Materials and Methodss for the Preparation of Nanocomposites - 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. The process can yield photovoltaic cells, piezoelectric crystals, thermoelectric layers, optoelectronic layers, light emitting diodes, ferroelectric layers, thin film transistors, floating gate memory devices, imaging devices, phase change layers, and sensor devices. | 05-03-2012 |
| 20120119158 | COMPOSITE SULPHUR/CARBON CONDUCTIVE MATERIAL, USE AS AN ELECTRODE AND METHOD FOR PRODUCING SUCH A MATERIAL - 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 or equal to 200 m | 05-17-2012 |
| 20120153231 | CATHODE MATERIAL STRUCTURE AND METHOD FOR PREPARING THE SAME - 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. | 06-21-2012 |
| 20120217450 | VOLTAGE SWITCHABLE DIELECTRIC MATERIAL HAVING BONDED PARTICLE CONSTITUENTS - 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. | 08-30-2012 |
| 20120267580 | ELECTROACTIVE AGGLOMERATED PARTICLES - 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. | 10-25-2012 |
| 20130032765 | Composite for Providing Electromagnetic Shielding - A composite for providing electromagnetic shielding including a plurality of elongate nanostructures; and a plurality of elongate conductive elements. | 02-07-2013 |
| 20130037756 | ELECTRODES FOR ELECTROCHEMICAL CAPACITOR AND ELECTROCHEMICAL CAPACITOR INCLUDING THE SAME - 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 sizes are added between the active materials with a relatively large particle size, so that the electrode with high density can be prepared by increasing the amount of active material per unit volume, and can be efficiently used in a low resistance and high output electrochemical capacitor by increasing the filling density of the conductive material with excellent conductivity. | 02-14-2013 |
| 20130043436 | FEW-LAYERED GRAPHENE MATERIALS AND FILMS THEREOF PREPARING - 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. | 02-21-2013 |
| 20130048919 | PREPARATION OF NITROGEN-DOPED CARBON TUBES - 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. Pyrolyzing for a shorter period of time followed by rapid cooling resulted in a tubes with a narrower average diameter. | 02-28-2013 |
| 20130069011 | DOPED-CARBON NANO-ARCHITECTURED STRUCTURES AND METHODS FOR FABRICATING SAME - 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 desired pattern of nano-features to be formed by the mold on the surface of the unit. After nano-molding the surface of the unit, the first unit is stabilized to render the unit and its formed nano-structures capable of surviving downstream steps. The mold is removed from the first surface to form a nano-molded surface of a carbonization precursor. The precursor is carbonized in an inert-gas atmosphere at a suitable high temperature to form a corresponding nano-architectured carbon structure. A principal use of the nano-architectured carbon structure is a carbon electrode used in, e.g., Li-ion batteries, supercapacitors, and battery-supercapacitor hybrid devices. | 03-21-2013 |
| 20130075667 | METHOD FOR PREPARING SILICON OXIDE-CARBON COMPOSITE FOR NEGATIVE ELECTRODE OF LITHIUM SECONDARY BATTERY - A method of preparing a silicon oxide (Si | 03-28-2013 |
| 20130099172 | PHOSPHORATED COMPOSITE AND ANODE USING THE SAME - 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% to about 85%. A weight percentage of the red phosphorus in the phosphorated composite ranges from about 15% to about 90%. An anode using the phosphorated composite is also provided. | 04-25-2013 |
| 20130099173 | METHOD FOR MAKING PHOSPHORATED COMPOSITE - 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 or vacuum. Third, the mixture is heated in a reacting room filled with an inert atmosphere so that the red phosphorus sublimes. Finally, the reacting room is cooled down. | 04-25-2013 |
| 20130105741 | Measuring Moisture In A CNT Based Fluid Or Paste | 05-02-2013 |
| 20130119319 | CERAMIC BORON-CONTAINING DOPING PASTE AND METHODS THEREOF - 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 of solvents. Wherein, the ceramic boron-containing dopant paste has a shear thinning power law index n between about 0.01 and about 1. | 05-16-2013 |
| 20130146819 | METHOD FOR MANUFACTURING COMPOSITE POSITIVE ELECTRODE ACTIVE MATERIAL - 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 positive electrode active material, and an aqueous solution of solubilized carbon nanotubes containing the carbon nanotubes and a solubilizing material that is composed of a water-soluble polymer whose solubilisation retention rate of carbon nanotubes does not decrease with rising temperature; and synthesizing a positive electrode active material-carbon nanotube composite by mixing the aqueous solution of a starting material of a positive electrode active material and the aqueous solution of solubilized carbon nanotubes, and performing hydrothermal synthesis. | 06-13-2013 |
| 20130168610 | CARBON MATERIAL FOR BATTERY ELECTRODE AND PRODUCTION METHOD AND USE THEREOF - 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 by thermal treatment at a temperature of 1,800 to 3,300° C., which comprises a structure which is substantially uniform throughout the entirety of the particle from the surface to the central core where a graphite crystal structure region and an amorphous structure region are distributed. By using the material, a battery having high discharging capacity and low irreversible capacity, with excellent coulombic efficiency and excellent cycle characteristics can be fabricated. | 07-04-2013 |
| 20130200309 | NANOCOMPOSITE MATERIAL CONTAINING GLASS FIBER COATED WITH CARBON NANOTUBES AND GRAPHITE AND A METHOD OF PREPARING THE SAME - 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 and having an excellent heat conductivity, thereby creating a nanocomposite material with excellent electromagnetic wave shielding and heat dissipation properties. The nanocomposite material may be applied to a wide variety of electronics fields requiring both electromagnetic wave shielding and heat dissipation property, such as automotive electronic component housings, components of an electric car, mobile phones, and display devices. | 08-08-2013 |
| 20130200310 | PRODUCTION OF DISPERSIONS CONTAINING CARBON NANOTUBES - Process for the preparation of stable suspensions and dispersions of carbon nanotubes, and dispersions prepared by the process. | 08-08-2013 |
| 20130214210 | METHOD FOR MANUFACTURING DISPERSION LIQUID OF CARBON NANOTUBE AGGREGATES - 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 a carbon nanotube paste with a particle size of 100 nm to 20 μm resulting from partial dissociation of a mass of the carbon nanotube aggregates; and (B) a step of dispersing the carbon nanotube paste by ultrasonic dispersion treatment. A process for producing a dispersion liquid of carbon nanotube aggregates with reduced destruction and breakage of graphite structure of a carbon nanotube aggregate can be provided. | 08-22-2013 |
| 20130264523 | PIGMENT GRANULES - 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 preferably used in pale surface coatings which have been formed with electrically conductive properties. | 10-10-2013 |
| 20130299748 | SYNTHESIS OF HIGH SPECIFIC CAPACITANCE POROUS CARBON POWDERS FOR USE IN DOUBLE ELECTRIC LAYER ELECTROCHEMICAL CAPACITORS - 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 porous carbon powders made of carbohydrate substances with a low content of ash and metals in the powders with high specific capacitances and low specific electrical resistances. | 11-14-2013 |
| 20130306915 | CONDUCTIVE THIN FILM AND TRANSPARENT ELECTRODE INCLUDING GRAPHENE OXIDE AND CARBON NANOTUBE, AND METHODS OF PRODUCING THE SAME - 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. | 11-21-2013 |
| 20130334468 | NEGATIVE ELECTRODE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME - 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 is provided a negative electrode material for a nonaqueous electrolyte secondary battery, which has a high capacity and excellent initial charge/discharge efficiency and cycle characteristics and a method for manufacturing the same, and a nonaqueous electrolyte secondary battery that uses the negative electrode material for a nonaqueous electrolyte secondary battery. | 12-19-2013 |
| 20140021415 | Silicon-carbon Composite for Negative Electrode of Lithium Secondary Battery - 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 the surface of silicon particles is coated with amorphous silica, thereby reducing volume expansion upon lithium ion insertion and exhibiting superior ionic conductivity and electrical conductivity to thus maintain high capacity, and also, amorphous silica-coated silicon is positioned inside the carbon fibers having a one-dimensional structure, thus ensuring a large specific surface area and a stable composite structure. | 01-23-2014 |
| 20140027677 | CARBON PARTICLES - 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 form carbon particles. The carbon particles are subjected to a chemical activation and a physical activation. The composition includes, by weight, about 5% to about 30% oxygen. | 01-30-2014 |
| 20140110634 | NEGATIVE-ELECTRODE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY - 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 layer with a pore wall of specific thickness placed therebetween. | 04-24-2014 |
| 20140166939 | SILICON PARTICLES FOR BATTERY ELECTRODES - 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 particles have an average particle size between about 0.1 μm and about 30 μm and a surface including nanometer-sized features. The composite material also includes greater than 0% and less than about 90% by weight of one or more types of carbon phases. At least one of the one or more types of carbon phases is a substantially continuous phase. | 06-19-2014 |
| 20140183415 | Graphene-Based Composite and Method of Preparing the Same - 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 storage capacity. | 07-03-2014 |
| 20140197366 | BORON NITRIDE CONVERTED CARBON FIBER - 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 oxide vapor from molten boron oxide, and converting at least a portion of the carbon fiber to boron nitride. | 07-17-2014 |
| 20140203217 | METHOD FOR MODIFYING SURFACE OF POWDER AND COMPOSITE CONTAINING SURFACE-MODIFIED POWDER - 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. | 07-24-2014 |
| 20140299818 | GRAPHENE / CARBON COMPOSITIONS - High surface area nano sized graphene and carbon compositions. | 10-09-2014 |
| 20140353554 | POLYMERIC PRECURSORS FOR PRODUCING GRAPHENE NANORIBBONS AND METHODS FOR PREPARING THEM - An oligophenylene monomer of general formula (I) wherein R | 12-04-2014 |
| 20150014600 | METHOD FOR MANUFACTURING HIGH QUALITY GRAPHENE BY HEATING CARBON-BASED SELF-ASSEMBLY MONOLAYERS - The present invention relates to the method for manufacturing high quality graphene by heating carbon-based self-assembly monolayers, comprising the steps of: forming carbon source layers which are convertible into the graphene layer on the substrate; forming a metal catalyst layer on the carbon source layer; converting the carbon source layers into the graphene layer by heating the first part of the substrate using a local heating source, wherein the carbon source layers and the metal catalyst layers are formed; converting the carbon source layers into graphene by moving the local heating source and then heating the second part which is different from the first part; and removing the metal catalyst layer. The present invention also provides a substrate comprising a graphene layer manufactured by the above method and provides applications in semiconductor devices and electronic materials using the substrate. | 01-15-2015 |
| 20150021525 | PYROLYTIC CARBON BLACK COMPOSITE AND METHOD OF MAKING THE SAME - A method of recovering carbon black includes the step of providing a carbonaceous source material containing carbon black. The carbonaceous source material is contacted with a sulfonation bath to produce a sulfonated material. The sulfonated material is pyrolyzed to produce a carbon black containing product comprising a glassy carbon matrix phase having carbon black dispersed therein. A method of making a battery electrode is also disclosed. | 01-22-2015 |
| 20150028263 | Methods for mass-producing silicon nano powder and graphene-doped silicon nano powder - Disclosed is a facile and cost effective method of producing nano silicon powder or graphene-doped silicon nano powder having a particle size smaller than 100 nm. The method comprises: (a) preparing a silicon precursor/graphene nano composite; (b) mixing the silicon precursor/graphene nano composite with a desired quantity of magnesium; (c) converting the silicon precursor to form a mixture of graphene-doped silicon and a reaction by-product through a thermal and/or chemical reduction reaction; and (d) removing the reaction by-product from the mixture to obtain graphene-doped silicon nano powder. | 01-29-2015 |
| 20150102266 | SYNTHETIC DIAMOND MATERIALS FOR ELECTROCHEMICAL SENSING APPLICATIONS - A boron doped synthetic diamond material which has the following characteristics: a solvent window meeting one or both of the following criteria as measured by sweeping a potential of the boron doped synthetic diamond material with respect to a saturated calomel reference electrode in a solution containing only deionised water and 0.1 M KNO | 04-16-2015 |
| 20150309452 | CARBON NANOPARTICLE AND FLUORPOLYMER COMPOSITE FUSER COATING - A fuser comprises a substrate and a composite layer formed on the substrate. The composite layer comprises a fluoropolymer and at least one of (a) perfluorosulfonated polymer-treated, carbon nanotube-comprising particles, and (b) perfluorosulfonated polymer-treated, graphene-comprising particles. Methods of making a fuser and methods of fusing toner particles are also disclosed. | 10-29-2015 |
| 20150309453 | DUAL LAYER COMPOSITE COATING AND METHOD FOR MAKING SAME - A member for a fuser assembly of a printer. The member may include a support body and a composite coating disposed on an outer surface of the support body. The composite coating may include a fluororesin and a nanocarbon material dispersed within the fluororesin. The nanocarbon material may be present in a higher concentration proximate the support body and a lower concentration proximate an outer surface of the composite coating. The lower concentration may be less than or equal to about 2 wt % of the nanocarbon material. | 10-29-2015 |
| 20150318069 | AGGREGATE OF CARBON NANOTUBES, AND PRODUCTION METHOD THEREFOR - An aggregate of carbon nanotubes has an acid adsorption amount equal to or greater than 0.6 mass % and equal to or less than 12 mass %, which is obtained by subjecting a starting material composition containing carbon nanotubes to a two-stage wet oxidation treatment. A method of producing an aggregate of carbon nanotubes includes a primary oxidation treatment step, wherein a starting material composition containing carbon nanotubes is subjected to a wet oxidation treatment to give a primary treated aggregate of carbon nanotubes having a ratio (G/D ratio) of the height of G band to that of D band in Raman spectroscopic analysis at 532 nm wavelength equal to or greater than 30; and a secondary oxidation treatment step of performing a wet oxidation treatment under an oxidizing condition stronger than that of the primary oxidation treatment step. | 11-05-2015 |
| 20150333124 | EDGE HALOGENATION OF GRAPHENE MATERIALS - The present invention relates to a process for edge-halogenation of a graphene material; wherein the graphene material, which is selected from graphene, a graphene nanoribbon, a graphene molecule, or a mixture thereof, is reacted with a halogen-donor compound in the presence of a Lewis acid, so as to obtain an edge-halogenated graphene material. | 11-19-2015 |
| 20150380728 | COMPOSITE, ELECTROCHEMICAL ACTIVE MATERIAL COMPOSITE USING THE COMPOSITE, ELECTRODE INCLUDING THE COMPOSITE OR ELECTROCHEMICAL ACTIVE MATERIAL COMPOSITE, LITHIUM BATTERY INCLUDING THE ELECTRODE , FIELD EMISSIONDEVICE INCLUDING THE COMPOSITE, BIOSENSOR INCLUDING THE COMPOSITE , SEMICONDUCTOR DEVICE INCLUDING THE COMPOSITE , AND THERMOELECTRIC DEVICE INCLUDING THE COMPOSITE - A composite including: at least one selected from a silicon oxide of the formula SiO | 12-31-2015 |
| 20160016803 | Graphene Entrainment in a Host - This is generally a method of producing graphene-containing suspensions of flakes of high quality graphene/graphite oxides and method of producing graphene/graphite oxides. Both the exfoliating graphite into flakes and oxidizing the graphite flakes and the preparation and suspension of the flakes can be done with high volume production and at a low cost. | 01-21-2016 |
| 20160060117 | Carbon Nanotube Films and Methods of Forming Films of Carbon Nanotubes by Dispersing in a Superacid - A novel method of forming thin films of carbon nanotubes (CNTs) is described. In this method, carbon nanotubes are dispersed in a superacid solution and laid down on a substrate to form a conductive and transparent CNT network film. The superacid, in its deprotonated state, is an anion that has a permanent dipole moment. The superacid solution may be a pure superacid or have additional solvent. Preferably, the superacid solution does not contain an oxidizing agent. Novel, highly conductive and transparent CNT network films are also described. | 03-03-2016 |
| 20160104885 | GRAPHENE, POWER STORAGE DEVICE, AND ELECTRIC DEVICE - An object is to provide graphene which has high conductivity and is permeable to ions of lithium or the like. Another object is to provide, with use of the graphene, a power storage device with excellent charging and discharging characteristics. Graphene having a hole inside a ring-like structure formed by carbon and nitrogen has conductivity and is permeable to ions of lithium or the like. The nitrogen concentration in graphene is preferably higher than or equal to 0.4 at. % and lower than or equal to 40 at. %. With use of such graphene, ions of lithium or the like can be preferably made to pass; thus, a power storage device with excellent charging and discharging characteristics can be provided. | 04-14-2016 |
| 20160115600 | METHODS AND APPARATUSES FOR PRODUCTION OF CARBON, CARBIDE ELECTRODES, AND CARBON COMPOSITIONS - Method comprising providing at least one solid carbide chemical compound and reducing a metal cation with use of the solid carbide chemical compound. A method comprising producing elemental carbon material from the oxidation of carbide in at least one carbide chemical compound (e.g., calcium carbide) in at least one anode of an electrochemical cell apparatus, such as a galvanic cell apparatus. The cathode can be a variety of metals such as zinc or tin. The reaction can be carried out at room temperature and normal pressure. An external voltage also can be applied, and different forms of carbon can be produced depending on the reactants used and voltage applied. For carrying out the method, an apparatus comprising at least one galvanic cell comprising: at least one anode comprising at least one carbide chemical compound, and at least one cathode. For carrying out the method and constructing the apparatus, an electrode structure comprising at least one carbide chemical compound, wherein the carbide chemical compound is a salt-like carbide; and at least one electronically conductive element different from the carbide. Carbon compositions of various forms are also prepared by the methods and apparatus and with use of the electrode structure. Large pieces of pure carbon can be produced. Post-reaction processing of the carbon can be carried out such as exfoliation. | 04-28-2016 |
| 20160152477 | GENERAL METHOD FOR FUNCTIONALIZING CARBON NANOTUBES VIA SOLVENT FREE DIELS-ALDER REACTIONS | 06-02-2016 |
| 20160196893 | METHOD FOR PREPARING TWO-DIMENSIONAL MATERIAL | 07-07-2016 |
| 20160254102 | ULTRACAPACITOR WITH A NOVEL DOPED CARBON | 09-01-2016 |
| 20190148716 | SULFUR COMPOSITE CATHODE MATERIAL AND PREPARATION METHOD AND APPLICATION THEREOF | 05-16-2019 |
