Class / Patent application number | Description | Number of patent applications / Date published |
423460000 | Treating carbon | 35 |
20090081114 | Continuous Operation Type Active Charcoal Producing Apparatus and Process - A vertical multi-stage fluidized bed apparatus including a plurality of horizontal perforated partitioning plates disposed therein so as to partition the apparatus is provided, wherein an upper horizontal perforated partitioning plate is set to have a larger aperture rate than a lower horizontal perforated partitioning plate. From a lower part of the apparatus, feed carbon and fluidizing gas are continuously supplied so as to provide a gas superficial velocity in the fluidized bed which is 2-4 times a minimum fluidizing velocity of the feed carbon, thereby subjecting the feed carbon to fluidization with the fluidizing gas and activation with steam at 750-950° C. simultaneously to discharge activated carbon continuously from an upper part of the apparatus. As a result, activated carbon of even a high degree of activation is produced at a high yield comparable to that obtained in a batchwise operation. | 03-26-2009 |
20090142251 | METHOD FOR TREATING CARBON NANOTUBES, CARBON NANOTUBES AND CARBON NANOTUBE DEVICES - A method for treating carbon nanotubes is provided. In the method for treating carbon nanotubes (CNTs), the CNTs are treated with SO | 06-04-2009 |
20090142252 | METHOD AND SYSTEM FOR PRODUCING ACTIVATED CARBON - An activated carbon producing system includes a carbonizer for carbonizing cellulose triacetate as cellulose acylate to create carbonized material. A pulverizer pulverizes the carbonized material to obtain granules. An activation device activates the granules to create activated carbon. The activated carbon producing system includes a dispenser for supplying the cellulose triacetate at a plural number of times. A heating furnace is operated at each time after the dispenser operates, for thermally decomposing the cellulose triacetate from the dispenser, to obtain the carbonized material by carbonization. The pulverizer pulverizes the carbonized material in a size equal to or more than 2 mm and equal to or less than 20 mm. Temperature of the heating furnace is equal to or higher than 300 deg. C. and equal to or lower than 600 deg. C. | 06-04-2009 |
20090142253 | METHOD AND SYSTEM FOR PRODUCING ACTIVATED CARBON - An activated carbon producing system includes a heating furnace for thermally decomposing multi-layer film including a polyvinyl alcohol layer and cellulose triacetate (TAC) layers formed on surfaces of the polyvinyl alcohol layer, to produce carbonized material by carbonization. An activation device activates the carbonized material with heat, to produce activated carbon by forming fine pores therein. A burner assembly combusts acetic acid contained in pyrolysis gas created by thermal decomposition in the heating furnace, to produce gaseous carbon dioxide. A first heat exchanger exchanges heat between the pyrolysis gas from the burner assembly and heat exchange medium, to provide the heating furnace with the heat of the heat exchange medium. A washer absorbs gaseous carbon dioxide contained in the pyrolysis gas from the first heat exchanger by use of alkaline absorption solution. If the multi-layer film contains additive, the washer washes away the combusted additive. | 06-04-2009 |
20090202423 | Atomic carbon material and method for preparation thereof - An atomic carbon material and a preparation method thereof having ion adsorption ability superior to fullerenes and nano-tubes are provided. This atomic carbon material is in a state existing as an organic compound and in a state close to an atom with a diameter of 1 nm or less (theoretically about 1.66 angstrom), and is a bulk where they are congregated with each other with an interatomic force or a particle with a particle size of 1 nm or less. This atomic carbon material is manufactured by heating a raw material composed of an organic material which does not include carbon units in an inactive atmosphere at a predetermined temperature while sequentially increasing the temperature and by individually separating expected elements except for carbon in the aforementioned atmosphere and the organic material from being bonded with carbon by thermally decomposing in order from an element having a lower decomposition temperature at a temperature of 450 C or lower. | 08-13-2009 |
20090214412 | PROCESS FOR PRODUCING CARBON MATERIAL AND ALKALI ACTIVATION APPARATUS - Provided is a production process for a carbon material comprising an alkali activation reaction step in which a carbon precursor containing an activator selected from alkali metal compounds is heated under flow of inert gas. The above alkali activation reaction is carried out while allowing carbon dioxide gas to flow into a downstream part of an alkali activation reaction region on the condition that the carbon dioxide gas is not substantially brought into contact with the carbon precursor and the activator. This makes it possible to carry out alkali activation treatment safely and stably and obtain a carbon material useful for producing an electric double layer capacitor electrode having a high electrostatic capacity. | 08-27-2009 |
20090214413 | ORDERED MESOPOROUS CARBONS AND METHOD FOR MANUFACTURING SAME - The present invention relates to an ordered mesoporous carbon and method for manufacturing the ordered mesoporous carbon which is made from a surfactant, a carbon precursor, water (possibly mixed with an acid) and a water immiscible oil. In addition, the present invention relates to a method of formulating a composition which is used to manufacture the ordered mesoporous carbon. Moreover, the present invention relates to an activated carbon which is made by partially oxidizing an ordered mesoporous carbon. | 08-27-2009 |
20090317320 | SYSTEM AND METHOD FOR COPRODUCTION OF ACTIVATED CARBON AND STEAM/ELECTRICITY - A system and method for producing activated carbon comprising carbonizing a solid carbonaceous material in a carbonization zone of an activated carbon production apparatus (ACPA) to yield a carbonized product and carbonization product gases, the carbonization zone comprising carbonaceous material inlet, char outlet and carbonization gas outlet; activating the carbonized product via activation with steam in an activation zone of the ACPA to yield activated carbon and activation product gases, the activation zone comprising activated carbon outlet, activation gas outlet, and activation steam inlet; and utilizing process gas comprising at least a portion of the carbonization product gases or a combustion product thereof; at least a portion of the activation product gases or a combustion product thereof; or a combination thereof in a solid fuel boiler system that burns a solid fuel boiler feed with air to produce boiler-produced steam and flue gas, the boiler upstream of an air heater within a steam/electricity generation plant, said boiler comprising a combustion zone, a boiler-produced steam outlet and at least one flue gas outlet. | 12-24-2009 |
20100034726 | Process Producing Activated Carbon Having A High Catalytic Activity - Process for producing activated carbon having a high catalytic activity, in which a carbonaceous material is brought into contact with nitrogen compounds, wherein the carbonaceous material is partially gasified with a mixture of steam, nitrogen and CO | 02-11-2010 |
20100047154 | METHOD FOR PREPARING GRAPHENE RIBBONS - Disclosed is a method for fabricating graphene ribbons, comprising: preparing a graphitic material comprising stacked graphene helices; and cutting the graphitic material in a short form by applying energy to the graphitic material; and simultaneously or afterward, decomposing the graphitic material into short graphene ribbons. This method provides a mass production route to graphene ribbons. | 02-25-2010 |
20100068125 | METHOD OF REFINING CARBON PARTS FOR PRODUCTION OF POLYCRYSTALLINE SILICON - A method of refining carbon parts for the production of polycrystalline silicon, comprises the steps of, replacing an inside gas of a reactor, in which the carbon parts are placed, with an inert gas, drying the carbon parts by raising a temperature in the reactor to a drying temperature of the carbon parts while flowing an inert gas through the reactor, raising a temperature in the reactor to a purification temperature higher than the drying temperature while flowing chlorine gas through the reactor, reducing a pressure in the reactor, maintaining the inside of the reactor in a reduced pressure, pressurizing the inside of the reactor by introducing chlorine gas for bringing the inside of the reactor into a pressurized state, and cooling the inside of the reactor. | 03-18-2010 |
20100092371 | AEROGELS BASED ON CARBON NANOTUBES - A method for preparing a carbon aerogel from agglomerated carbon nanotubes, includes the following steps: (A) preparing an aqueous dispersion of carbon nanotubes in water in the presence of a dispersing agent; (B) forming a foam from the nanotubes aqueous dispersion of step (A) by bulking under the action of a gas in the presence of a foaming agent; and (C) freezing the foam obtained in step (B) and removing the water by sublimation. The invention also relates to the carbon aerogels thus obtained, and to their use essentially as partition materials or | 04-15-2010 |
20100172818 | Method of preparing carbon nanotube complexes - A method of fabricating carbon nanotube complex is disclosed, which comprises, (A) dispersing carbon nanotubes in a solvent; (B) adding a filler to the above solution to give a precursor solution; (C) performing light illumination on the precursor solution; (D) washing the solution after light exposure; and (E) drying to evaporate the solvent contained in the solution. Therefore, the carbon nanotube complex of the present invention is obtained. | 07-08-2010 |
20100254888 | CARBON NANO TUBE PROCESSING METHOD, PROCESSING APPARATUS, AND CARBON NANO TUBE DISPERSION LIQUID, CARBON NANO TUBE POWDER - An apparatus | 10-07-2010 |
20110002839 | Carbon Heat-Treatment Process - Methods for producing devolatilized and/or activated carbon in a reactor or reaction vessel of a heat treatment system from a suitable carbonaceous feedstock by introducing the feedstock into the reactor tangentially at a rotational velocity of at least 90 RPM. The methods include the steps of providing a combination of conveying means and a gas flow having various compositions and creating distinct carbonaceous feedstock material flow patterns and process conditions such that the feedstock is conveyed through the reactor or reaction vessel and heated via combustion, thereby producing activated carbon or other heat-treated carbons while concurrently avoiding adverse reaction conditions. Single and two-stage heat treatment systems may be used to heat a carbon feedstock, to which one or more industrial minerals may be added to co-produce compositions such as lime with the heat-treated carbon. | 01-06-2011 |
20110189078 | APPARATUS AND METHOD FOR CONTINUOUS HIGH TEMPERATURE GAS TREATMENT OF PARTICULATE MATTER - An apparatus for continuous high temperature gas treatment of particulate matter including a starting material supply port ( | 08-04-2011 |
20110311432 | METHOD FOR MANUFACTURING GRAPHENE - A method for manufacturing graphene is disclosed, which comprises the following steps: putting graphite material and an organic solvent, a surfactant, or a combination thereof in a reaction tank and introducing a supercritical fluid in the reaction tank to allow the organic solvent, the surfactant, or the combination thereof to dissolve in the supercritical fluid and to permeate into the graphite material; and removing the supercritical fluid by depressurization to form graphene. The method of the present invention has simple steps and reduced consumption of manufacturing time, and also can promote the quality of the resultant graphene in large-scale manufacturing. | 12-22-2011 |
20110318258 | METHOD FOR MAKING CARBON NANOTUBE STRUCTURE - A method for making a carbon nanotube structure is introduced. The method includes the following steps. A carbon nanotube precursor including a number of carbon nanotubes is provided. The carbon nanotube precursor is placed in a chamber with low oxygen environment. The carbon nanotube precursor is heated in the chamber. | 12-29-2011 |
20120009115 | METHOD FOR MAKING COHESIVE ASSEMBLIES OF CARBON - Cohesive assemblies comprising carbon are prepared by obtaining carbon in the form of powder, particles, flakes, or loose agglomerates, dispersing the carbon in a liquid halogen by mechanical mixing and/or sonication, and substantially removing the liquid halogen, typically by evaporation, whereby the cohesive assembly of carbon is formed. The method is especially suitable for preparing free-standing, monolithic assemblies of carbon nanotubes in the form of films, wafers, or discs, having high carbon packing density and low electrical resistivity. The assemblies have various potential applications, such as electrodes in batteries or supercapacitors or as electromagnetic interference shielding materials. | 01-12-2012 |
20120082614 | AA STACKED GRAPHENE-DIAMOND HYBRID MATERIAL BY HIGH TEMPERATURE TREATMENT OF DIAMOND AND THE FABRICATION METHOD THEREOF - There is provided a fabrication method for an AA stacked graphene-diamond hybrid material by converting, through a high temperature treatment on diamond, a diamond surface into graphene. According to the present invention, if various types of diamond are maintained at a certain temperature having a stable graphene phase (approximately greater than 1200° C.) in a hydrogen gas atmosphere, two diamond {111} lattice planes are converted into one graphene plate (2:1 conversion), whereby the diamond surface is converted into graphene in a certain thickness, thus to fabricate the AA stacked graphene-diamond hybrid material. | 04-05-2012 |
20120177563 | INSTALLATION AND METHOD FOR PRODUCING ACTIVE CARBON - The Invention relates to an apparatus or installation for producing active carbon, in particular by carbonization and subsequent activation of polymeric, organic, preferably sulphonated, starting materials, wherein the apparatus or installation comprises optionally a drying device for drying the starting materials, optionally a sulphonating device, arranged downstream of the optionally present drying device, for sulphonating and/or peptizing the optionally previously dried starting materials, a carbonizing device, arranged downstream of the optionally present drying device and/or the optionally present sulphonating device, for carbonizing the optionally previously dried and/or sulphonated and/or peptized starting materials, as well as an activating device, arranged downstream of the carbonizing device, for activating the starting materials previously carbonized in the carbonizing device, wherein the apparatus or installation also comprises at least one exhaust-gas treatment device for treating the exhaust gases formed in the carbonizing device and/or in the activating device during operation. | 07-12-2012 |
20120275988 | ACTIVATED CARBON FOR ELECTRIC DOUBLE LAYER CAPACITOR ELECTRODE AND METHOD FOR PRODUCING THE ACTIVATED CARBON - The present invention provides a method for producing an activated carbon for an electric double layer capacitor, with which the wettability of a carbon material with an alkali activator is improved, thereby improving contact efficiency between the carbon material and the alkali activator and efficiently promoting reaction between the carbon material, which is a starting material and the activator. The method comprises adjusting a carbon material as it is or after having been calcined to produce a carbon powder having an average particle diameter of 0.5 to 15 μm, oxidizing the carbon powder to contain 3 percent by mass or more of oxygen, and activating the oxidized product with an alkali activator. | 11-01-2012 |
20130022532 | STEAM ACTIVATED NON-LIGNOCELLULOSIC BASED CARBONS FOR ULTRACAPACITORS - A method for producing an activated carbon material includes heating a non-lignocellulosic carbon precursor to form a carbon material and reacting the carbon material with steam to form an activated carbon material. The activated carbon material is suitable to form improved carbon-based electrodes for use in high energy density devices. | 01-24-2013 |
20130078179 | METHOD FOR MAKING ALKALI ACTIVATED CARBON - A method for activating carbon via alkali activation processes includes the introduction of water vapor during the activation phase to control the formation of highly reactive by-products. The method includes heating the mixture of a carbon-containing first material and a alkali-containing second material, introducing water vapor at a first threshold temperature and stopping water vapor introduction at a second threshold temperature. The activated carbon material is suitable for carbon-based electrodes and for use in high energy density devices. | 03-28-2013 |
20130209348 | PREPARATION OF POLYMERIC RESINS AND CARBON MATERIALS - The present application is directed to methods for preparation of polymer particles in gel form and carbon materials made therefrom. The carbon materials can have enhanced electrochemical properties and find utility in any number of electrical devices, for example, as electrode material in ultracapacitors or batteries. | 08-15-2013 |
20130251621 | METHOD OF PRODUCING AMORPHOUS CARBON MATERIAL FOR THE NEGATIVE ELECTRODE OF LITHIUM ION SECONDARY BATTER, AND LITHIUM ION SECONDARY BATTERY - An amorphous carbon material for lithium-ion secondary battery negative electrode is capable of reducing capacity degradation due to repeated charge and discharge cycles, storage while being charged, or floating charge. | 09-26-2013 |
20140161713 | METHOD OF PRODUCING AMORPHOUS CARBON MATERIAL FOR THE NEGATIVE ELECTRODE OF LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY - An amorphous carbon material for lithium-ion secondary battery negative electrode is capable of reducing capacity degradation due to repeated charge and discharge cycles, storage while being charged, or floating charge. | 06-12-2014 |
20140294717 | CHEMICAL ACTIVATION OF CARBON VIA A GAS ATOMIZATION METHOD - The disclosure relates to methods for forming activated carbon comprising providing a feedstock mixture comprising a carbon feedstock and at least one chemical activating agent, heating the feedstock mixture to at least the fluxing temperature of the feedstock mixture to form a feedstock melt, atomizing the feedstock melt and introducing the atomized feedstock mixture into a reactor, rapidly heating the atomized feedstock to at least the solidification temperature by introducing a hot stream into the reactor, introducing the heated feedstock mixture into a reaction vessel, and holding the heated feedstock mixture in the reaction vessel at a temperature and for a time sufficient to react the carbon feedstock with the at least one chemical activating agent to form activated carbon, wherein rapidly heating the atomized feedstock comprises heating the mixture within a time period sufficient to maintain the feedstock mixture in a substantially solid state throughout the rapid heating stage. | 10-02-2014 |
20140328745 | METHOD FOR PRODUCING CARBONACEOUS FILM AND METHOD FOR PRODUCING GRAPHITE FILM - Disclosed herein is a method for producing a roll-shaped carbonaceous film by polymer pyrolysis while suppressing the occurrence of fusion bonding in the roll-shaped carbonaceous film. The carbonaceous film production method includes the step of heat-treating a polymer film wound into a roll, wherein, at a temperature equal to or higher than the pyrolysis onset temperature of the polymer film but equal to or lower than a temperature at which the weight of the polymer film is reduced by 40% as compared to that before heat treatment, the roll-shaped polymer film has (2-1) a gap between layers of the polymer film so that a value determined for the whole roll-shaped polymer film by dividing the thickness of the gap between adjacent layers of the polymer film (Ts) by the thickness of the polymer film (Tf) (Ts/Tf) satisfies a relationship of 0.33≦Ts/Tf≦1.50 and/or (2-2) a space inside a 50% cross-sectional circle of the roll-shaped polymer film so that the area of the space inside the 50% cross-sectional circle is 25% or more of the cross-sectional area of the 50% cross-sectional circle. | 11-06-2014 |
20150030526 | CARBON FOR HIGH VOLTAGE EDLCS - A method for producing activated carbon includes heating a phenolic novolac resin carbon precursor at a carbonization temperature effective to form a carbon material, and reacting the carbon material with CO | 01-29-2015 |
20150030527 | HIGH VOLTAGE EDLC ELECTRODES CONTAINING CO2 ACTIVATED COCONUT CHAR - A method for producing activated carbon includes heating a coconut shell carbon precursor at a carbonization temperature effective to form a carbon material, and reacting the carbon material with CO | 01-29-2015 |
20150104372 | Single-Step, Solvent-Free, Catalyst-Free Preparation of Holey Carbon Allotropes - Methods for forming holey carbon allotropes and graphene nanomeshes are provided by the various embodiments. The various embodiments may be applicable to a variety of carbon allotropes, such as graphene, graphene oxide, reduced graphene oxide, thermal exfoliated graphene, graphene nanoribbons, graphite, exfoliated graphite, expanded graphite, carbon nanotubes (e.g., single-walled carbon nanotubes, double-walled carbon nanotubes, few-walled carbon nanotubes, multi-walled carbon nanotubes, etc.), carbon nanofibers, carbon fibers, carbon black, amorphous carbon, fullerenes, etc. The methods may produce holey carbon allotropes without the use of solvents, catalysts, flammable gas, additional chemical agents, or electrolysis to produce the pores (e.g., holes, etc.) in the carbon allotropes. In an embodiment, a carbon allotrope may be heated at a working window temperature for a working period of time to create holes in the carbon allotrope. | 04-16-2015 |
20150110707 | PROCESS FOR MAKING CHEMICALLY ACTIVATED CARBON - A method for making activated carbon includes heating a mixture of a carbon precursor or a carbonized precursor and a chemical activating agent in a furnace. The furnace includes an internal surface either formed from or lined with a corrosion resistant material such as high purity silicon carbide or silicon nitride. | 04-23-2015 |
20150315026 | APPARATUS AND METHOD FOR TREATING GRAPHENE USING PLASMA AND APPLICATION THEREOF - A method and apparatus for treating graphene raw material by plasma, and an application thereof are provided. After treated by the plasma, the graphene raw material will have a special structure and characteristic. | 11-05-2015 |
20190144621 | Graphene-Mediated Metal-Plated Polymer Article and Production Method | 05-16-2019 |