| Korea Institute of Science & Technology Patent applications |
| Patent application number | Title | Published |
|---|
| 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 |
| 20110240203 | METHOD FOR PRODUCING A MEMBRANE-ELECTRODE ASSEMBLY FOR A FUEL CELL - Disclosed is a method for producing a membrane electrode assembly for a fuel cell, including: dispersing a catalyst and a conductive binder into a dispersion solvent to provide catalyst slurry; subjecting the catalyst slurry to stirring, sonication and homogenization; applying the catalyst slurry onto a substrate, followed by drying; transferring the substrate coated with the catalyst slurry to either surface or both surfaces of an electrolyte membrane to form a catalyst layer; dipping the substrate, the catalyst layer and the electrolyte membrane obtained after the preceding operation into liquid nitrogen; and removing the substrate to provide an electrolyte membrane having the catalyst layer formed thereon. | 10-06-2011 |
| 20110190859 | POLYMER LINEAR ACTUATOR FOR MICRO ELECTRO MECHANICAL SYSTEM AND MICRO MANIPULATOR FOR MEASUREMENT DEVICE OF CRANIAL NERVE SIGNAL USING THE SAME - A polymer linear actuator for a micro electro mechanical system (MEMS) and a micro manipulator for a measurement device of cranial nerve signal using the same are provided. The polymer linear actuator has first and second bodies positioned spaced apart to a distance from each other, and one or more pairs of V-type moving units connecting the first and second bodies together, wherein the moving units in pair are opposed to each other to convert a rotation motion of the respective moving units into a linear motion, thereby causing the first and second bodies to move linearly. | 08-04-2011 |
| 20110094587 | METHOD FOR CONTROLLING SELF-ASSEMBLED SRUCTURE OF POLY(3-HEXYLTHIOPHENE)-BASED BLOCK COPOLYMER - Provided is a method for controlling a self-assembled structure of a poly(3-hexylthiophene)-based block copolymer, including: providing a polymer composition containing a block copolymer having a π-conjugated poly(3-hexylthiophene) polymer and a non-conjugated polymer introduced thereto, and a solvent; and coating the polymer composition onto a substrate. | 04-28-2011 |
| 20100279197 | Membrane-electrode binder having dual electrode, method of manufacturing the binder, and fuel cell comprising the same - A membrane-electrode binder for a fuel cell, a method of manufacturing the binder, and a fuel cell comprising the binder are provided, in which the membrane-electrode binder comprises a dual electrode constituted by a first electrode and a second electrode in a two-layer form, and a polymer electrolyte membrane disposed on the dual electrode, the dual electrode comprising an electrode substrate and a catalyst layer formed thereon. In detail, the membrane-electrode binder comprises the dual electrode that is constituted by the first electrode obtained by using a PBI-based binder, the second electrode obtained by using a PTFE-based binder, and an inorganic acid doped PBI-based polymer electrolyte membrane disposed on the dual electrode and coming in contact with the first electrode. In the configuration of the dual electrode, the PBI-based binder used for manufacturing the first electrode contributes to enhancing an adhesive strength with the inorganic acid doped PBI-based polymer electrolyte membrane, and the PTFE-based binder used for manufacturing the second electrode contributes to suppressing the emission of an inorganic acid from the inorganic acid doped PBI-based polymer electrolyte membrane, together improving the performance of a fuel cell. | 11-04-2010 |
| 20100075202 | MEMBRANE-ELECTRODE ASSEMBLY INCLUDING GUARD GASKET - Disclosed is a membrane-electrode assembly (MEA) that prevents an electrolyte membrane from being damaged upon the fabrication of a single cell or a stack of fuel cells. The MEA further includes a guard gasket interposed between conventional gaskets, wherein the guard gasket has a thickness corresponding to 70%-95% of the thickness of the electrolyte membrane. The MEA ensures mechanical protection of the electrolyte membrane, and thus prevents the electrolyte membrane from being damaged by an excessive binding pressure upon the fabrication of a single cell or a stack of fuel cells. Furthermore, the contact resistance between the electrolyte membrane and the catalyst layer and the contact resistance between the gas diffusion layer and the catalyst layer can be minimized, thereby improving the quality of a fuel cell. | 03-25-2010 |
| 20100069449 | NOVEL OXAZOLIDINONE DERIVATIVE WITH DIFLUOROPHENYL MOIETY, PHARMACEUTICALLY ACCEPTABLE SALT THEREOF, PREPARATION METHOD THEREOF AND ANTIBIOTIC COMPOSITION CONTAINING THE SAME AS AN ACTIVE INGREDIENT - Novel oxazolidinone derivatives with a difluorophenyl moiety, represented by Chemical Formula 1, pharmaceutically acceptable salts thereof, a preparation method thereof, and a pharmaceutical composition containing the same as an active ingredient are provided. Exhibiting potent inhibitory activity against Gram-positive bacteria including | 03-18-2010 |
| 20100063117 | Novel oxazolidinone derivative with difluorophenyl moiety, pharmaceutically acceptable salt thereof, preparation method thereof and antibiotic composition containing the same as an active ingredient - Novel oxazolidinone derivatives with a difluorophenyl moiety, represented by Chemical Formula 1, pharmaceutically acceptable salts thereof, a preparation method thereof, and a pharmaceutical composition containing the same as an active ingredient are provided. Exhibiting potent inhibitory activity against Gram-positive bacteria including | 03-11-2010 |
| 20090269824 | Apparatus and method for fabricating Micro-Capsule - The present invention relates to an apparatus and a method for fabricating a microcapsule, more particularly to an apparatus and a method for fabricating a microcapsule, which enable to encapsulate uniform cell number in a microcapsule through cell distribution, improve cell viability in the microcapsule through fluid exchange, and ensure uniform microcapsule size. | 10-29-2009 |
| 20090233148 | METHOD FOR PREPARING MEMBRANE ELECTRODE ASSEMBLY USING LOW-TEMPERATURE TRANSFER METHOD, MEMBRANE ELECTRODE ASSEMBLY PREPARED THEREBY, AND FUEL CELL USING THE SAME - A membrane-electrode assembly (MEA) is prepared by a low-temperature transfer method. A binder-free carbon layer is formed on a transfer substrate so as to avoid decreased performance due to the formation of a skin layer caused by the interfacial segregation of the ionomer or binder. | 09-17-2009 |
| 20090208814 | HONEYCOMB-TYPE SOLID OXIDE FUEL CELL AND METHOD FOR MANUFACTURING THE SAME - The present invention relates to a honeycomb type SOFC wherein a first material, density of which is lowered upon phase-transition, a second material having higher thermal expansion coefficient than that of an electrode supporter, or a composite material of the first and second materials is filled in the electrode channel to which the collector is bonded as a material which can form an oxide under the electrode atmosphere, and a manufacturing method thereof. | 08-20-2009 |
| 20090208793 | HYBRID TYPE POWER SUPPLYING APPARATUS - Disclosed is a hybrid-type power supplying apparatus which may use a fuel cell device as a main power supplier for a robot and a rechargeable battery as an auxiliary power supplier for the robot. In the hybrid-type power supplying apparatus, when the power consumption of the robot exceeds the selected amount of power generation of the fuel cell device, the loads of the rechargeable battery and the fuel cell stack can be managed in such a manner that power is supplied from the rechargeable battery to the robot as an auxiliary power for the robot supplementing the main power for the robot. | 08-20-2009 |
| 20090061078 | Solid oxide fuel cell(SOFC) for coproducing syngas and electricity by the internal reforming of carbon dioxide by hydrocarbons and electrochemical membrane reactor system - The present invention relates to a solid oxide fuel cell for internal reforming of hydrocarbons and carbon dioxide, in particular, to a solid oxide fuel cell in which one side of solid oxide electrolyte (YSZ) is attached to an air electrode (La | 03-05-2009 |
| 20080299421 | Method for Analyzing the Performance of Mea and Segmented Cell Used for the Method - A separation plate having a gas flow path is segmented for analyzing MEA performance without segmenting an electrode or a gas diffusion layer. In advance, a MEA is operated for a long time in a real stack environment using a typical separation plate which is not segmented, and then the segmented separation plate for analyzing MEA performance is mounted to the MEA. | 12-04-2008 |
| 20080241627 | Partially sulfonated polybenzimidazole based polymer, method for preparing the same, MEA for fuel cell using the polybenzimidazole based polymer and method for preparing the same - A partially sulfonated polybenzimidazole based polymer for fuel cell membrane is prepared by copolymerizing monomers of 3,3′-diaminobenzidine, isophthalic acid and 5-sulfoisophthalic acid to obtain a partially sulfonated polybenzimidazole, and doping the partially sulfonated polybenzimidazole with inorganic acid. | 10-02-2008 |
| 20080241611 | MCFC anode for direct internal reforming of ethanol, manufacturing process thereof, and method for direct internal reforming in MCFC containing the anode - A direct internal reforming system of ethanol for a molten carbonate fuel cell (MCFC) is provided. An MCFC anode for a direct internal reforming of ethanol, a manufacturing process thereof, and a direct internal reforming method in MCFC where an ethanol solution is injected into the anode are provided. by the simple process of coating the surface of the anode with small quantity of catalyst, the drawback in that the performance of MCFC is degraded when the ethanol is directly used as a fuel is overcome. Further, an additional apparatus such as an external reforming apparatus and additional cost for pelletizing the catalyst powders are not required, which is economical. Furthermore, the performance improvement enables long-term operation, which contributes to commercialization of MCFC. | 10-02-2008 |
