Patent application number | Description | Published |
20100266846 | METHOD OF PRODUCING METAL NANOPARTICLES CONTINUOUSLY AND METAL NANOPARTICLES PRODUCED THEREBY - Disclosed are a method of producing metal nanoparticles continuously, and metal nanoparticles produced thereby. The method comprises: (a) preparing a metal precursor solution by dissolving a metal precursor in alcohol; (b) continuously putting the metal precursor solution into a reactor having supercritical conditions, thereby producing metal nanoparticles; (c) cooling the solution obtained in step (b); and (d) separating and collecting the metal nanoparticles from the solution obtained in step (c). | 10-21-2010 |
20110253621 | METHOD OF MANUFACTURING HYDROPHILIC MEMBRANE HAVING IMPROVED ANTIFOULING PROPERTY AND HYDROPHILIC MEMBRANE MANUFACTURED BY THE METHOD - A method of manufacturing a hydrophilic membrane and hydrophilic membranes having improved antifouling property using a supercritical fluid or a subcritical fluid. The method involves combining a coating solution from a hydrophilic group-containing monomer, an initiator, a cross-linking agent and a supercritical fluid or subcritical fluid in a high pressure solution vessel and transferring the coating solution to a membrane in a high pressure coating vessel, coating the surfaces and micropores of the membranes through cross-linking polymerization reactions. Non-reacted coating material is returned to the high pressure solution vessel. The membranes are removed from the coating vessel, cleaned and dried. The hydrophilic membrane manufactured by the present invention is excellent in properties of hydrophobic membranes such as thermal stability, chemical stability and mechanical strength, and surfaces and micropores of the membranes are uniformly coated. | 10-20-2011 |
20110303269 | FABRICATION METHOD FOR QUANTUM DOT SENSITIZED SOLAR CELL USING SUPERCRITICAL FLUID OR SUBCRITICAL FLUID AND QUATUM DOT SENSITIZED SOLAR CELL PREPARED THEREBY - A method of fabricating a transparent electrode for use in a quantum dot sensitized solar cell, and a quantum dot sensitized solar cell fabricated according to the method are provided. According to the fabrication method, (S1) quantum dot precursor is introduced into a high pressure storage vessel and a quantum dot precursor is dissolved using subcritical fluid or supercritical fluid; (S2) the quantum dot precursor fluid prepared at (S1) is transported to contact with a conductive thin layer substrate comprised of a metal oxide placed in a high pressure reaction vessel, thereby causing the quantum dot precursor to be adsorbed in the metal oxide thin layer; (S3) non-adsorbed quantum dot precursor fluid of (S2) is transported and thus recovered to the high pressure storage vessel together with the subcritical fluid or supercritical fluid; and (S4) the subcritical fluid or supercritical fluid is removed from the high pressure reaction vessel, and the quantum dot precursor, adsorbed at (S2), is reacted with a second element which constitutes the quantum dot or a compound comprising the second element. | 12-15-2011 |
20120171108 | METHOD FOR FABRICATING GRAPHENE SHEETS OR GRAPHENE PARTICLES USING SUPERCRITICAL FLUID - A method for fabricating graphene sheets or graphene particles includes (a) dispersing graphene oxide in an alcohol solution to prepare a graphene oxide dispersion solution, (b) reducing the graphene oxide dispersion solution under a supercritical condition to prepare graphene sheets or graphene particles, each of which is as a cluster of the graphene sheets, and (c) separating the graphene sheets or graphene particles, followed by washing and drying, and a method for fabricating a graphene film is configured to fabricate a graphene film in form of a thin film using the graphene sheets or graphene particles fabricated according to the method. | 07-05-2012 |
20120202120 | SYNTHESIZING METHOD FOR LITHIUM TITANIUM OXIDE NANOPARTICLE USING SUPERCRITICAL FLUIDS - A method for synthesizing lithium titanium oxide-based anode active material nanoparticles, and more particularly, a method for synthesizing lithium titanium oxide-based anode active material nanoparticles using a supercritical fluid condition is disclosed herein. The method may include (a) preparing a lithium precursor solution and a titanium precursor solution, (b) forming lithium titanium oxide-based anode active material nanoparticles by introducing the lithium precursor solution and titanium precursor solution into an reactor at a supercritical fluid condition, and (c) cleaning and drying the nanoparticles, and may further include (d) calcinating the nanoparticles at 500-1000° C. for 10 minutes to 24 hours after the step (c). | 08-09-2012 |
20130048062 | SOLAR CELL COMPRISING BULK HETEROJUNCTION INORGANIC THIN FILM AND FABRICATION OF THE SOLAR CELL - Provided is a bulk heterojunction inorganic thin film solar cell and a method for fabricating the same. More particularly, the solar cell includes an inorganic thin film having a bulk heterojunction formed by using vertically grown n-type semiconductor nanostructure electrodes and filling the void spaces among the nanostructures with p-type semiconductor materials, unlike the known planar type inorganic thin film solar cells including n-type semiconductors and p-type semiconductors. | 02-28-2013 |
20130174475 | METHOD FOR PRODUCING RENEWABLE FUEL USING SUPERCRITICAL FLUID - Disclosed is a method for producing a renewable fuel using a supercritical fluid. The method includes charging a supported catalyst into a continuous reactor and adding a catalyst activating material thereto to activate the supported catalyst, feeding an oil or fat, hydrogen and a supercritical fluid into the continuous reactor and allowing hydrogenation and hydrodeoxygenation reactions of the oil or fat in the supercritical fluid to proceed, and collecting a renewable fuel as the reaction product. The method enables the production of an oxygen-free renewable fuel in a higher yield at a lower hydrogen pressure and a lower reaction temperature than conventional methods for producing renewable fuels. | 07-11-2013 |
20130302690 | METHOD FOR COATING CARBON ON LITHIUM TITANIUM OXIDE-BASED ANODE ACTIVE MATERIAL NANOPARTICLES AND CARBON-COATED LITHIUM TITANIUM OXIDE-BASED ANODE ACTIVE MATERIAL NANOPARTICLES PRODUCED BY THE METHOD - Disclosed is a method for carbon coating on lithium titanium oxide-based anode active material nanoparticles. The method includes (a) introducing a lithium precursor solution, a titanium precursor solution and a surface modifier solution into a reactor, and reacting the solutions under supercritical fluid conditions to prepare a solution including nanoparticles of an anode active material represented by Li | 11-14-2013 |
20140126163 | MOBILE TERMINAL - There is provided a mobile terminal a case having a hollow portion provided therein, a circuit board positioned in the hollow portion of the case to mount electronic components therein, the circuit board including a securing hole, a side button having an exposed front side at a lateral side of the case, a reinforcing frame positioned between the side button and the circuit board, the reinforcing frame being coupled to a lateral portion of the circuit board by a securing hook that projects from a backside of the reinforcing frame, the securing hook being received in the securing hole and a switch module coupled to a front side of the reinforcing frame so as to be located between the reinforcing frame and the side button, the switch module being configured to generate an electric signal when the side button is pressed. | 05-08-2014 |
20140207538 | METHOD OF MANAGING TRANSPORTATION FARE, SERVER PERFORMING THE SAME AND SYSTEM PERFORMING THE SAME - Provided is a transit management server, system and method for managing transit fares for a transportation system. The method includes selecting, in a transit management server, at least one fare module according to a transit fare policy, the at least one fare module corresponding to a prescribed category of fare and configured to determine a fare based on the prescribed category, setting, in the transit management server, at least one parameter in the selected fare module, and transmitting, from the transit management server to at least one terminal communicatively coupled to the transit management server, the set parameter to update a corresponding fare module in the at least one terminal according to the transit fare policy. | 07-24-2014 |
20140221706 | METHOD FOR SYNTHESIS OF MOLYBDENUM CARBIDE CATALYST FOR HYDRODEOXYGENATION - The present disclosure relates to a molybdenum carbide catalyst used in a process for preparing hydrocarbons, in particular diesel-grade hydrocarbons, from biooils and fatty acids released therefrom through hydrodeoxygenation and a method for preparing same. | 08-07-2014 |