Patent application number | Description | Published |
20090286976 | ONE-POT SYNTHESIS OF FLUORINATED IONIC LIQUIDS - The present invention relates to a method for one-pot synthesis of ionic liquid with fluoroalkyl group, more particularly to a method for one-pot synthesis of ionic liquid with fluoroalkyl group represented by the following Chemical Formula 1 by adding and reacting a nitrogen-containing compound, a Brønsted acid of the formula YH and a fluoroolefin compound of the formula CFR | 11-19-2009 |
20100015040 | METHOD FOR SEPARATION AND RECYCLE OF PURE SULFUR DIOXIDE FROM A GASEOUS MIXTURE IN IS CYCLE WITH IONIC LIQUIDS - The present invention relates to a method for separation and recycling of pure sulfur dioxide from a gaseous mixture in the IS cycle. More specifically, the present invention relates to a method for separation and recycling of pure sulfur dioxide from a gaseous mixture in the IS cycle using an ionic liquid under a specific condition. When compared with the conventional amine-based absorbent, the use of the ionic liquid enables continuous absorption and stripping of SO | 01-21-2010 |
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 |
20110117456 | ZINC AIR FUEL CELL WITH ENHANCED CELL PERFORMANCE - Provided is a zinc air fuel cell with enhanced cell performance, more particularly a zinc air fuel cell which includes a separator-electrode assembly including a perforated metal plate as a cathode current collector, a catalyst-coated carbon paper, a separator, a perforated metal plate as an anode current collector, and a tilted nonconductive support. Furthermore, a metal plate may be placed on the tilted nonconductive support and connected to the anode current collector in the separator-electrode assembly to enlarge the active area of the anode current collector. For the zinc air fuel cell according to the present invention, a manufacturing cost may be reduced by using a mixture of MnO | 05-19-2011 |
20120042778 | SULFUR DIOXIDE ABSORBENT COMPRISING IONIC LIQUID - A sulfur dioxide absorbent comprising an ionic liquid comprised of alkyl ether-substituted imidazolium cation and an alkanesulfonate anion moieties possesses a high thermal/chemical stability, high SO | 02-23-2012 |
20120097221 | METHOD OF PREPARING A COUNTER ELECTRODE FOR A DYE-SENSITIZED SOLAR CELL - The following description relates to a method of low temperature sintering a catalyst layer that formed on one side of a counter electrode using a laser. It is possible to prepare a counter electrode for a dye-sensitized solar cell (DSSC) based on a flexible substrate easily because the method can be applied to a conducting substrate made of plastic materials as well as a conducting glass substrate. | 04-26-2012 |
20120186644 | FLEXIBLE ELECTRODES AND PREPARATION METHOD THEREOF, AND FLEXIBLE DYE-SENSITIZED SOLAR CELLS USING THE SAME - The present invention relates to a flexible photoelectrode and a manufacturing method thereof, and a dye-sensitized solar cell using the same. More particularly, the present invention relates to a flexible photoelectrode capable of forming a semiconductor electrode with excellent photoelectric conversion efficiency on a plastic substrate at low temperatures in a simple and stable manner, in which it is prepared by forming a nanocrystalline metal oxide layer calcined at high temperature on a high temperature resistant substrate, and transferring it to a flexible transparent substrate by a transfer method using an HF solution, and a flexible dye-sensitized solar cell comprising the same. | 07-26-2012 |
20130056068 | PREPARATION METHOD OF FLEXIBLE ELECTRODES AND FLEXIBLE DYE-SENSITIZED SOLAR CELLS USING THE SAME - The present invention relates to a method for manufacturing a flexible photoelectrode and a dye-sensitized solar cell using the same. More specifically, the method for manufacturingg a photoelectrode comprises forming a nanoparticle metal oxide layer on a flexible substrate, adsorbing dyes, and then, coating polymer, thereby forming a nanoparticle metal oxide layer consisting of nanoparticle metal oxide-dye-polymer. | 03-07-2013 |
20130118567 | TANDEM SOLAR CELL USING AMORPHOUS SILICON SOLAR CELL AND ORGANIC SOLAR CELL - A tandem solar cell comprising an amorphous silicon solar cell including a photoactive layer made of amorphous silicon; and an organic solar cell including a photoactive layer made of an organic material, which are stacked and electrically connected in series can absorb a wider wavelength range of light, exhibit improved open-circuit voltage (V | 05-16-2013 |
20130125970 | COUNTER ELECTRODE FOR DYE-SENSITIZED SOLAR CELL AND PREPARATION METHOD THEREOF - The present invention relates to a counter electrode for DSSC which includes a porous membrane include a carbon-based material calcinated at high temperature and a platinum nano-particles and maintains higher conductivity than a thin membrane and in which the electrolyte moves smoothly, a method of preparing the same, and a DSSC using the same which is improved in photoelectric efficiency. | 05-23-2013 |
20130234075 | TRIPHENYLAMINE DERIVATIVES AND ORGANIC PHOTOVOLTAIC CELLS INCLUDING THE DERIVATIVES - Disclose is a triphenylamine derivative with a low band gap. The triphenylamine derivative is represented by Formula (I): | 09-12-2013 |
20130269781 | POLYMER GEL ELECTROLYTE COMPOSITION, METHOD FOR PREPARING THE COMPOSITION AND DYE-SENSITIZED SOLAR CELL INCLUDING THE COMPOSITION - Disclosed is a polymer gel electrolyte composition. The composition includes an aqueous solution of a polysaccharide-based polymer and a liquid electrolyte in which a redox derivative is mixed with an organic solvent. The composition is easy to inject. The composition is free from problems of leakage and volatilization, thus being environmentally friendly. Further disclosed is a highly efficient dye-sensitized solar cell using the composition. The dye-sensitized solar cell is stable for a long period of time and can be readily commercialized. | 10-17-2013 |
20140020736 | METHOD FOR PRODUCING CIS-BASED THIN FILM, CIS-BASED THIN FILM PRODUCED BY THE METHOD AND THIN-FILM SOLAR CELL INCLUDING THE THIN FILM - Disclosed is a method for producing a CIS-based thin film based on self-accelerated photoelectrochemical deposition. The method includes 1) mixing precursors of elements constituting a CIS-based compound with a solvent to prepare an electrolyte solution, 2) connecting an electrochemical cell including a working electrode, the electrolyte solution and a counter electrode to a voltage or current applying device to construct an electro-deposition circuit, 3) irradiating light onto the working electrode while at the same time applying a cathodic voltage or current to the working electrode to induce self-accelerated photoelectrochemical deposition, thereby electro-depositing a CIS-based thin film, and 4) annealing the electro-deposited CIS-based thin film under a gas atmosphere including sulfur or selenium. | 01-23-2014 |
20140335648 | MANUFACTURING METHOD OF SOLID-STATE DYE-SENSITIZED SOLAR CELLS AND ELECTROLYTE FILLING DEVICE USED THEREFOR - The present description is directed to a manufacturing method of solid-state dye-sensitized solar cells and a solid-state electrolyte filling device used in the manufacturing method. The present invention provides a manufacturing method of dye-sensitized solar cells that fills the solid-state electrolyte more uniformly with enhanced efficiency to secure higher light-to-energy conversion efficiency. | 11-13-2014 |
20150027896 | METHOD FOR PRODUCING Cu2ZnSnS4-xSex (0 LESS THAN-EQUAL TO X LESS THAN-EQUAL TO 4) THIN FILM BY ONE STEP ELECTRODEPOSITION IN ELECTROLYTIC BATH CONTAINING IONIC LIQUID | 01-29-2015 |
20150045589 | CARBON-BASED PALLADIUM CATALYST OBTAINED BY USING IONIC LIQUID, METHOD FOR PREPARING THE SAME AND HYDROGENATION OF HYDROFLUOROCARBON USING THE SAME - Provided is a palladium on carbon (Pd/C) catalyst obtained by using an ionic liquid, a method for preparing the same, and a method for hydrogenation of hydrofluorocarbon using the same. More particularly, palladium particles are supported on carbon particles by using an ionic liquid, and the resultant Pd/C catalyst is used for hydrogenation of hydrofluorocarbon. The catalyst includes palladium particles having a smaller particle size and a more uniform shape as compared to the existing Pd/C catalysts, and thus shows high catalytic activity. | 02-12-2015 |
20150080617 | METHOD FOR PREPARING METAL FLUORIDE CATALYSTS AND DEHYDROFLUORINATION METHOD USING THE SAME - Disclosed is a method for preparing a metal fluoride catalyst as a dehydrofluorination catalyst having high activity under a mild condition using a trifluoroacetic acid solution with no use of HF gas having fluidity and corrosive property. Disclosed also is a dehydrofluorination method for preparing HFO-1225ye from HFP-236ea by using the catalyst with high efficiency. | 03-19-2015 |
20150083216 | METHOD OF PREPARING COUNTER ELECTRODE FOR DYE-SENSITIZED SOLAR CELL - The following description relates to a method of low temperature sintering a catalyst layer that formed on one side of a counter electrode using a laser. It is possible to prepare a counter electrode for a dye-sensitized solar cell (DSSC) based on a flexible substrate easily because the method can be applied to a conducting substrate made of plastic materials as well as a conducting glass substrate. | 03-26-2015 |