Patent application number | Description | Published |
20080199696 | CARBON NANO TUBE ELECTRODE FORMED BY DIRECTLY GROWING CARBON NANO TUBE ON SURFACE OF CARBON PAPER AND SUPPORTING PLATINUM-BASED NANO CATALYST ON CARBON NANO TUBE USING CVD METHOD AND MANUFACTURING METHOD THEREOF - A platinum-based nano catalyst supported carbon nano tube electrode and a manufacturing method thereof, more particularly to a manufacturing method of a carbon nano tube electrode and a carbon nano tube electrode supported with the platinum-based catalyst by growing the carbon nano tube on the surface of the carbon paper and using a CVD method on the surface of the carbon nano tube. By growing the carbon nano tube directly, the broad surface area and excellent electric conductivity of the carbon nano tube can be utilized maximally, and especially, the nano catalyst particles with minute sizes on the surface of the carbon nano tube by using the CVD method as a supporting method of the platinum-based catalyst on the surface of the carbon nano tube, the amount of the platinum can be minimized and still shows an efficient catalyst effect and by improving the catalyst activity by increasing the distribution, so academic and industrial application in the future is highly expected. | 08-21-2008 |
20090074633 | Microtubular honeycomb carbon material obtained by heat-treating cellulose fiber, production method of thereof, microtubular reactor module comprising the microtubular honeycomb carbon material and method for producing the microtubular reactor module - Disclosed herein are a microtubular honeycomb carbon material obtained by heat-treating cellulose fiber, a production method thereof, a microtubular reactor module fabricated using the microtubular honeycomb carbon, a method for producing the microtubular reactor module, and a microcatalytic reactor system comprising the microtubular reactor module. A carbon material having a new structure is produced by heat-treating cellulose fiber, and a catalytic reactor system having a new structure is constructed by coating the surface of the carbon material with a metal catalyst. Cellulose carbide, used as the reactor material, is very simple to produce. Because it has a micro honeycomb structure having a large number of microchannels and a large number of mesopores, it can be loaded with a large amount of a catalyst compared to the prior material having the same area, and thus it is useful as a catalyst support, and the reaction efficiency can be maximized. Also, the microcatalytic reactor system can be used in applications including very small steam reformer systems that use biomass fuel such as ethanol, fuel cell reactor systems, VOC and low-concentration-hydrogen treatment systems operable below 200 □, micro heat exchangers, and natural gas reformer systems. Thus, the invention is a useful, industrially applicable invention. | 03-19-2009 |
20090246511 | CELLULOSE CARBIDE MATERIAL HAVING GRAPHITE NANOLAYER AND SYNTHESIS METHOD THEREOF - Disclosed herein is a cellulose carbide material having a graphite nanosized surface layer directly carbonized from a cellulose fiber, and a method of synthesizing a cellulose carbide material having a graphite nanolayer on a surface thereof, including: i) heating a cellulose fiber in a reactor; ii) forming a primary carbide while maintaining temperature of the reactor; iii) cooling the formed primary carbide; iv) heating the cooled primary carbide; v) forming a secondary carbide while maintaining temperature of the reactor; vi) cooling the formed secondary carbide. | 10-01-2009 |
20100298125 | CARBON NANOTUBE CATALYSTS HAVING METAL CATALYST NANO-PARTICLES SUPPORTED ON INNER CHANNEL OF CARBON NANOTUBE AND PREPARATION METHOD THEREOF - A carbon nanotube catalyst wherein metal catalyst nanoparticles are selectively supported only on the inner channel surface of the carbon nanotube, and a method for preparing the same are provided. Specifically, provided are: a carbon nanotube catalyst with supported metal catalyst nanoparticles, having excellent selective catalyst activity and durability, wherein the carbon nanotube catalyst is prepared by carrying out a specific pretreatment so as to form some defects on the inner surface of a carbon nanotube and then exposing the pretreated carbon nanotube to a flow of vapor phase metal precursors so that metal catalyst nanoparticles can be supported only on the inner channel surface of the carbon nanotube by CVD (Chemical Vapor Deposition) process; and a method for preparing the same. | 11-25-2010 |
20110111948 | CATALYSTS HAVING METAL NANO-PARTICLE CATALYST SUPPORTED ON SURFACE-TREATED NATURAL CELLULOSE FIBERS AND PREPARATION METHOD THEREOF - The present disclosure relates to a catalyst having metal catalyst nanoparticles supported on natural cellulose fibers and a method of preparing the same, whereby natural cellulose fibers are subjected to specific pretreatment to increase a surface area and form defects on the surface thereof and metal catalyst nanoparticles are then supported on the cellulose catalyst support in a highly dispersed state, thereby providing improved catalysis while allowing production of the catalyst at low cost. The catalyst may be utilized for various catalytic reactions. | 05-12-2011 |
20110212293 | ECO-FRIENDLY INCOMBUSTIBLE BIOCOMPOSITE AND METHOD FOR PREPARING THE SAME - Disclosed is an eco-friendly incombustible biocomposite including: a) a polymer matrix comprising a natural fiber; and b) a ceramic sheet laminated integrally with the polymer matrix. The biocomposite is eco-friendly since the natural fiber is used as a reinforcement material and is incombustible since it is laminated integrally with the ceramic sheet. Further, it has superior storage modulus, dimensional stability and flexural properties and lightweightness, and is processable into various structures. Thus, it is very useful for automotive or building indoor/outdoor materials. | 09-01-2011 |
20120277091 | Method of Preparing Catalyst Using Alkali Metal or Alkaline Earth Metal in Natural Cellulose Fibers as Co-Catalyst and Dispersant - A method of preparing a catalyst using an alkali metal or an alkaline earth metal in natural cellulose fibers as a co-catalyst and a dispersant. The catalyst is prepared using an alkali metal or an alkaline earth metal as a co-catalyst and a dispersant, thus increasing the dispersibility of catalytic components and enhancing the interactions between the catalyst and the support to thereby retard agglomeration and increase the durability of the catalyst. | 11-01-2012 |
20130207033 | Method for Preparing Carbon Dioxide Absorbent Based on Natural Biomass and Carbon Dioxide Absorbent Based on Natural Biomass Prepared by the Same - A method for preparing a carbon dioxide absorbent based on natural biomass, and a carbon dioxide absorbent based on natural biomass that is prepared by the method. The method utilizes alkali metal or alkaline earth metal components, such as Ca, Ma and K, inherent to a natural plant biomass material. The method can provide a carbon dioxide absorbent with improved performance in an environmentally friendly manner at greatly reduced cost. | 08-15-2013 |
20130287643 | Method and Apparatus for Synthetizing Composite Using Simultaneous Vaporization, Vaporizer for Composite Synthesis Apparatus, Vaporizer Heater, and Composite - A composite synthesis method and apparatus, a vaporizer for the composite synthesis apparatus, a vaporizer heater and a composite. In the composite synthesis apparatus using simultaneous vaporization, two or more vaporizers are heated by heaters such that samples vaporized by the vaporizers are supplied into a reactor to synthesize a composite. The apparatus and method may prepare multiple-metal or metal-carbon heterogeneous composites, and may be applied to various metal- and carbon-based adsorbents, absorbents, gas/liquid separation membranes and various catalyst processes. Further, the composite may be applied to various industrial fields through change in metal components or carbon structures. | 10-31-2013 |
20130287948 | Method for Preparing Metal-Carbon Composite of Core-Shell Structure Through Simultaneous Vaporization and Metal-Carbon Composite of Core-Shell Structure Prepared Thereby - A method of preparing a metal-carbon composite of a core-shell structure through simultaneous vaporization, in which a metal particle constitutes a core and carbon constitutes a shell, with the metal-carbon composite prepared in the form of powder and supported on a supporter, and a metal-carbon composite of a core-shell structure prepared by the same. In these methods, the metal-carbon composite of the core-shell structure is prepared through simultaneous vaporization of metal and carbon precursors and does not require separate post-processing. Further, in the metal-carbon composite of the core-shell structure prepared by these methods, a carbon shell covers a portion or the entirety of a surface of a metal core, whereby the metal particles can be prevented from suffering agglomeration, separation or corrosion when subjected to harsh process conditions at high temperatures for long durations under strong acid and alkali conditions, thereby providing high performance and high durability. | 10-31-2013 |
20130344413 | Method for Preparing Fuel Cell Electrode Catalyst by Simultaneous Evaporation, Method for Preparing Fuel Cell Electrode Comprising Catalyst Prepared Thereby and Fuel Cell Comprising the Same - A method of preparing a fuel cell electrode catalyst by preparing a platinum-carbon core-shell composite, which has a platinum nanoparticle core and a graphene carbon shell, using a simultaneous evaporation process, a method for preparing a fuel cell electrode comprising the catalyst prepared thereby, and a fuel cell comprising the same. A fuel cell comprising an electrode catalyst consisting of the core-shell composite prepared by simultaneously evaporating the platinum precursor and the organic precursor can have high performance and high durability, because the platinum particles are not agglomerated or detached and corroded even under severe conditions, including high-temperature, long use term, acidic and alkaline conditions. | 12-26-2013 |
20140023958 | METHOD FOR MANUFACTURING ELECTRODE FOR FUEL CELL COMPRISING NANOCARBON AND CORE-SHELL-STRUCTURED PLATINUM-CARBON COMPOSITE AND THE ELECTRODE FOR FUEL CELL MANUFACTURED BY THE SAME - The present subject matter provides a method of manufacturing an electrode for a fuel cell, in which nanocarbons are grown on the surface of a substrate for a fuel cell using a process of simultaneously gasifying a platinum precursor and a carbon precursor, and simultaneously core-shell-structured platinum-carbon composite catalyst particles are highly dispersed between nanocarbons The subject matter also provides an electrode for a fuel cell, manufactured by the method. This method is advantageous in that an electrode for a fuel cell having remarkably improved electrochemical performance and durability can be manufactured by a simple process. | 01-23-2014 |
20140024522 | CATALYSTS HAVING METAL NANO-PARTICLE CATALYST SUPPORTED ON SURFACE-TREATED NATURAL CELLULOSE FIBERS AND PREPARATION METHOD THEREOF - The present disclosure relates to a catalyst having metal catalyst nanoparticles supported on natural cellulose fibers and a method of preparing the same, whereby natural cellulose fibers are subjected to specific pretreatment to increase a surface area and form defects on the surface thereof and metal catalyst nanoparticles are then supported on the cellulose catalyst support in a highly dispersed state, thereby providing improved catalysis while allowing production of the catalyst at low cost. The catalyst may be utilized for various catalytic reactions. | 01-23-2014 |
20140057779 | METHOD OF PREPARING MULTICOMPONENT METAL-HYBRID NANOCOMPOSITE USING CO-GASIFICATION, AND MULTICOMPONENT METAL-HYBRID NANOCOMPOSITE PREPARED THEREBY - The present subject matter provides a method of preparing a multicomponent metal-hybrid nanocomposite using co-gasification, in which a multicomponent metal-hybrid nanocomposite can be prepared by a one-step process without using a complicated process including the steps of supporting-drying-calcining-annealing and the like at the time of preparing a conventional alloy catalyst, and provides a multicomponent metal-hybrid nanocomposite prepared by the method. The method is advantageous in that a multicomponent metal-hybrid nanocomposite can be synthesized by a simple process of simultaneously gasifying two kinds of metal precursors, and in that an additional post-treatment process is not required. | 02-27-2014 |
20140087939 | Metal-Carbon Composite Supported Catalyst for Hydrogen Production Using Co-Evaporation and Method of Preparing the Same - A metal-carbon composite supported catalyst for hydrogen production using co-evaporation and a method of preparing the same, wherein the catalyst is configured such that a metal-carbon composite having a core-shell structure resulting from co-evaporation is supported on the surface of an oxide-based support coated with carbon, thereby maintaining superior durability without agglomeration even in a catalytic reaction at a high temperature. Because part or all of the surface of metal is covered with the carbon shell, even when the catalyst is applied under severe reaction conditions including high temperatures, long periods of time, acidic or alkaline states, etc., the metal particles do not agglomerate or are not detached, and do not corrode, thus exhibiting high performance and high durability. Therefore, inactivation of the catalyst or the generation of side reactions can be prevented, so that the catalyst can be efficiently utilized in hydrogen production. | 03-27-2014 |
20140329671 | METHOD OF PREPARING ALLOY CATALYST FOR FUEL CELLS AND ALLOY CATALYST FOR FUEL CELLS PREPARED BY THE SAME - Disclosed herein is a method of preparing an alloy catalyst for fuel cells, which is suitable for mass production and can reduce manufacturing costs. The method includes vaporizing at least two catalyst precursors in separate vaporizers; supplying the at least two vaporized catalyst precursors to a reactor while preventing contact therebetween; and synthesizing an alloy catalyst in the reactor. The method can prepare an alloy catalyst through a one-step process unlike typical multi-step methods for preparing catalysts, and can prepare an alloy catalyst at a much lower temperature than the typical methods for preparing alloys, thereby enabling mass production and cost reduction. | 11-06-2014 |
20150343428 | METAL-CARBON HYBRID COMPOSITE HAVING NITROGEN-DOPED CARBON SURFACE AND METHOD FOR MANUFACTURING THE SAME - Disclosed are a metal-carbon hybrid composite having a nitrogen-doped carbon surface and a method of manufacturing the same. More particularly, the present invention relates to a method of manufacturing a metal-carbon hybrid composite, wherein the surface of carbon for the metal-carbon hybrid composite may be doped with nitrogen in a single step using a co-vaporization process, and to a metal-carbon hybrid composite having a nitrogen-doped carbon surface manufactured by the method. | 12-03-2015 |
20160001281 | LARGE-SCALE COMPOSITE SYNTHESIS SYSTEM, REACTOR AND COMPOSITE SYNTHESIS METHOD USING THE SAME - Disclosed are a large-scale composite synthesis system, a reactor therefor, and a synthesis method using the same, wherein two or more different samples are vaporized in respective vaporizers, and are then fed into a reactor that has a relatively large transverse cross-sectional diameter compared to the connector for transporting the samples in a gas phase and is maintained at a temperature lower than that of the connector, thus producing a powder composite, the composite being synthesized while being electrostatically attached to an adherend surface. | 01-07-2016 |
Patent application number | Description | Published |
20100038633 | Organic light emitting diode - Provided is an organic light emitting diode including: a first electrode; a second electrode; an organic layer between the first electrode and the second electrode; and a luminous efficiency improvement layer disposed on a surface of the first electrode facing away from the organic layer or a surface of the second electrode facing away from the organic layer, wherein the luminous efficiency improvement layer includes a porphyrazin derivative, a phthalocyanine derivative, a naphthalocyanine derivative, or a combination of at least two compounds of the foregoing. | 02-18-2010 |
20100039026 | Organic light emitting diode employing luminescent efficiency improvement layer - Provided is an organic light emitting diode employing a luminescent efficiency improvement layer containing a compound represented by Formula 1 below: | 02-18-2010 |
20100039029 | Organic Light Emitting Diode Including Light-Efficiency-Improvement Layer - An organic light emitting diode is disclosed, and includes a light-efficiency-improvement layer containing a compound represented by Formula 1: | 02-18-2010 |
20110084254 | POLYMER AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME - A polymer and an organic light-emitting device including the polymer. An example of the polymer is | 04-14-2011 |
20110084256 | CONDENSED-CYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DIODE INCLUDING ORGANIC LAYER CONTAINING THE CONDENSED-CYCLIC COMPOUND - A condensed-cyclic compound represented by Formula 1 below and an organic light emitting diode including the condensed-cyclic compound: | 04-14-2011 |
20110240968 | Organic light-emitting device - An organic light-emitting device including a substrate; a first electrode on the substrate, the first electrode including a first surface and a second surface opposite to the first surface; an organic layer on the first electrode, the organic layer being adjacent to the first surface of the first electrode; a second electrode on the organic layer, the second electrode including a first surface adjacent to the organic layer and a second surface opposite to the first surface; and a luminescent efficiency improvement layer on at least one of the second surface of the first electrode and the second surface of the second electrode, the luminescent efficiency improvement layer including a condensed-cyclic compound represented by Formula 1, below: | 10-06-2011 |
20110240975 | POLYMER COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME - A polymer represented by Formula 1 below: | 10-06-2011 |
20110240979 | CONDENSED-CYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME - A condensed-cyclic compound and an OLED including the same, the condensed-cyclic compound represented by Formula 1 below: | 10-06-2011 |
20120013246 | DENDRIMER AND ORGANIC LIGHT-EMITTING DEVICE USING THE SAME - A dendrimer and an organic light-emitting device including an organic layer having the dendrimer. | 01-19-2012 |
20120013247 | DENDRIMER AND ORGANIC LIGHT-EMITTING DEVICE USING THE SAME - A dendrimer and an organic light-emitting device including an organic layer having the dendrimer. | 01-19-2012 |
20120286246 | CONDENSED-CYCLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE COMPRISING THE SAME, AND FLAT PANEL DISPLAY APPARATUS - A condensed-cyclic compound represented by Formula 1 below, an organic light-emitting device including the same, and a flat panel display apparatus including the organic light-emitting device: | 11-15-2012 |
20120286247 | CONDENSED-CYCLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE COMPRISING THE SAME, AND FLAT PANEL DISPLAY APPARATUS - A condensed-cyclic compound represented by Formula 1 below, an organic light-emitting device including the same, and a flat panel display apparatus including the organic light-emitting device: | 11-15-2012 |
20120286249 | CONDENSED-CYCLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE COMPRISING THE SAME, AND FLAT PANEL DISPLAY APPARATUS INCLUDING THE DEVICE - A condensed-cyclic compound is represented by Formula 1 below. An organic light-emitting device includes the condensed-cyclic compound. A flat panel display apparatus includes the organic light-emitting device. | 11-15-2012 |
20120326138 | HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME - A heterocyclic compound represented by Formula 1 or Formula 2 below, an organic light-emitting device including the heterocyclic compound, and a flat display device including the organic light-emitting device: | 12-27-2012 |
20140191214 | FLUORENE-BASED COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME - A fluorene-based compound represented by Formula 1 below and an organic light-emitting device (OLED) including the fluorene-based compound. | 07-10-2014 |
20140231759 | ORGANIC LIGHT-EMITTING DIODE - An organic light-emitting device includes a first electrode; a second electrode; an organic layer between the first electrode and the second electrode; and a light efficiency-improvement layer disposed on the first electrode or the second electrode. The light efficiency-improvement layer includes a heterocyclic compound represented by Formula 1, | 08-21-2014 |
20140239263 | ANTHRACENE-BASED COMPOUND AND ORGANIC LIGHT EMITTING DIODE COMPRISING THE SAME - An anthracene-based compound and an organic light emitting diode comprising the anthracene-based compound have been disclosed. | 08-28-2014 |