Patent application number | Description | Published |
20090020430 | ELECTRODE FOR CAPACITIVE DEIONIZATION DEVICE, METHOD OF MANUFACTURING THE ELECTRODE, AND CAPACITIVE DEIONIZATION DEVICE HAVING THE ELECTRODE - Disclosed herein is an electrode for capacitive deionization device including an active material, a waterborne polyurethane, and a conducting agent. Disclosed herein too is a method of manufacturing the electrode and a capacitive deionization device employing the electrode. | 01-22-2009 |
20100132414 | SOFT WATER FORMING DEVICE AND WASHING MACHINE INCLUDING THE SAME - A soft water forming device includes; a capacitive deionization stack (“CDI”) stack including at least one anode and at least one cathode that are separately and alternately stacked to adsorb ions contained in water, and a pumping unit which pumps one of water supplied to the CDI stack and water which has passed through the CDI stack, the pumping unit including; a casing have a water inlet and a water outlet and a rotor which rotates due to motive power supplied by an external motor and pumps the water supplied into the casing. | 06-03-2010 |
20100140096 | ELECTRODE FOR CAPACITIVE DEIONIZATION, CAPACITIVE DEIONIZATION DEVICE AND ELECTRIC DOUBLE LAYER CAPACITOR INCLUDING THE ELECTRODE - An electrode for capacitive deionization, the electrode including an active material having an oxygen/carbon (“O/C”) atomic ratio between about 0.1 and about 1 and a specific surface area between about 500 square meters per gram (“m | 06-10-2010 |
20100170784 | INTEGRATED ELECTRODE-CURRENT COLLECTOR SHEET FOR CAPACITIVE DEIONIZATION, CAPACITIVE DEIONIZATION DEVICE AND ELECTRIC DOUBLE LAYER CAPACITOR HAVING THE SAME - An integrated electrode-current collector sheet includes a current collector including uneven portions disposed on at least one side of the current collector; and an active material layer disposed on the current collector, the active material layer at least partially covering the uneven portions. In addition, disclosed are a capacitive deionization device and an electric double layer capacitor including the integrated electrode-current collector sheet. | 07-08-2010 |
20100181200 | TRANSITION METAL/CARBON NANOTUBE COMPOSITE AND METHOD OF PREPARING THE SAME - A transition metal/carbon nanotube composite includes a carbon nanotube and a transition metal oxide coating layer disposed on the carbon nanotube. The transition metal oxide coating layer includes a nickel-cobalt oxide | 07-22-2010 |
20110042205 | CAPACITIVE DEIONIZATION DEVICE - A capacitive deionization device includes; at least one flow path configured for influent water flow, at least one pair of electrodes, at least one charge barrier disposed between the at least one flow path and a corresponding electrode of the at least one pair of electrodes, and at least one electrolyte solution disposed between the at least one electrode of the at least one pair of electrodes and a corresponding charge barrier of the at least one charge barrier, wherein the at least one electrolyte solution is different in at least one of ionic concentration and ionic species from the influent water. | 02-24-2011 |
20110042236 | DRINKING WATER FILTER SYSTEM, METHOD OF REGENERATING THE SAME, AND WATER PURIFYING DEVICE INCLUDING THE DRINKING WATER FILTER SYSTEM - A drinking water filter system includes; a filter unit including; a first electrode and a second electrode disposed separate from and substantially opposite to the first electrode, wherein at least one of the first electrode and the second electrode is a filter layer, and a voltage applying device which alternately applies a forward voltage and a reverse voltage between the first electrode and the second electrode to sterilize and regenerate the at least one filter layer. | 02-24-2011 |
20110100838 | ELECTROLYTIC DISINFECTION SYSTEM AND METHOD FOR PURIFYING WATER - Provided is an electrolytic disinfection system and method for purifying water. The electrolytic disinfection system includes; an electrolytic disinfection device which includes; a chamber, a first electrode disposed in the chamber, a second electrode disposed in the chamber and spaced apart from the first electrode, a water inlet part connected to the chamber, wherein the water inlet part allows influent water to be introduced to the chamber therethrough, and a water outlet part connected to the chamber, wherein the water outlet part allows the influent water to be discharged from the chamber therethrough, and an influent water heating device which is disposed upstream of the water inlet part and heats the influent water introduced to the chamber through the water inlet part. | 05-05-2011 |
20110147212 | CAPACITIVE DEIONIZATION DEVICE - A capacitive deionization device includes; at least one flow path configured to receive influent fluid, at least one pair of electrodes, at least one charge barrier disposed between the at least one flow path and a corresponding electrode of the at least one pair of electrodes, at least one electrolyte solution disposed between at least one of the at least one pair of electrodes and a corresponding charge barrier of the at least one charge barrier, and at least one electrolyte compensation device in fluid communication with the at least one electrolyte solution, wherein the at least one electrolyte solution differs from the influent fluid. | 06-23-2011 |
20110162965 | DEIONIZATION DEVICE - A deionization device including at least one flow path configured for an influent fluid; at least one pair of electrodes; at least one charge barrier disposed between the at least one flow path and a corresponding electrode of the at least one pair of electrodes; and at least one electrolyte solution disposed between at least one electrode of the at least one pair of electrodes and a corresponding charge barrier of the at least one charge barrier, wherein at least one electrode of the at least one pair of electrodes includes an electrochemical redox active material, and the at least one electrolyte solution and the influent fluid are different. | 07-07-2011 |
20110198238 | ELECTRODE FOR ELECTROCHEMICAL WATER TREATMENT, METHOD OF MANUFACTURING THE SAME, METHOD OF TREATING WATER USING THE ELECTRODE, AND DEVICE INCLUDING THE ELECTRODE FOR ELECTROCHEMICAL WATER TREATMENT - An electrode for electrochemical water treatment, the electrode including a nanodiamond and a conducting agent. | 08-18-2011 |
20120093908 | METAL OXIDE STERILIZING CATALYST, AND STERILIZING DEVICE AND SYSTEM INCLUDING THE SAME - Disclosed is a sterilizing catalyst, a sterilizing device and a sterilizing system, the sterilizing catalyst includes a metal lattice including a metal oxide, and an oxygen vacancy-inducing metal that is integrated or encompassed within the metal lattice. The metal oxide is an oxide of a divalent or multivalent metal. The oxygen vacancy-inducing metal has an oxidation number lower than that of the divalent or multivalent metal. | 04-19-2012 |
20120178619 | Photocatalyst, Method Of Preparing The Same, Decomposer For Organic Compound Using Photocatalyst, And Device For Organic Waste Disposal Using Photocatalyst - A photocatalyst according to example embodiments may include a porous metal oxide and an oxygen vacancy-inducing metal. A portion of the oxygen vacancy-inducing metal may be included in a lattice of the porous metal oxide, while another portion may be exposed at the surface of the porous metal oxide. The porous metal oxide may be a divalent or multivalent metal oxide. The oxidation number of the oxygen vacancy-inducing metal may be smaller than the oxidation number of the metal of the porous metal oxide. | 07-12-2012 |
20120181228 | Polyacrylonitrile Copolymer, Method For Manufacturing Membrane Including The Same, Membrane Including The Same, And Water Treatment Module Using The Membrane - Example embodiments relate to a polyacrylonitrile-based copolymer, a method for manufacturing a membrane including the same, a membrane including the same, and a water treatment module using the same. A membrane according to an example embodiment may include a polyacrylonitrile-based copolymer including a repeating unit represented by Chemical Formula 1, a repeating unit represented by Chemical Formula 2, and/or a repeating unit represented by Chemical Formula 3. The definitions of the above Chemical Formulae 1, 2, and/or 3 may be the same as in the detailed description. Accordingly, the membrane may allow the attainment of a relatively high water permeation amount and a water treatment module having a relatively high energy efficiency. | 07-19-2012 |
20120187054 | REGENERABLE FILTER DEVICE AND METHOD OF DRIVING THE SAME - A filter device may include a filter unit including a first electrode and a second electrode that are arranged so as to be spaced apart and opposite to each other. At least one of the first and second electrodes may include an electrode material layer that is electrically conductive. The electrode material layer may include a metal-adsorbing material (metal adsorbent). A voltage applier for applying voltage to the first electrode and the second electrode for a desired amount of time based on the conditions after operation of the filter unit, and a method for driving the same. | 07-26-2012 |
20120211423 | DRAW SOLUTE FOR FORWARD OSMOSIS, DRAW SOLUTION INCLUDING THE SAME, FORWARD OSMOSIS WATER TREATMENT DEVICE USING THE SAME, AND FORWARD OSMOSIS METHOD FOR WATER TREATMENT USING THE SAME - A draw solute for forward osmosis may include a copolymer including a first structural unit where a temperature-sensitive side chain is graft polymerized, and a second structural unit including a hydrophilic functional group. The temperature-sensitive side chain may include a structural unit for a side chain including a temperature-sensitive moiety. | 08-23-2012 |
20120228215 | Water Purifying Filter Including An Organic Material Adsorbent And Water Purifying System Including The Same - A water purifying filter may include an organic material adsorbent. The organic material adsorbent may include graphite with an interplanar spacing at the c-axis of about 0.3354 nm to 0.34 nm as measured by X-ray diffraction analysis (CuKα). A water purifying system may include the water purifying filter. | 09-13-2012 |
20120234763 | Regenerable Filter Unit, Regenerable Filter System Including The Same, And Method Of Operating Regenerable Filter System - A filter unit may include an electrode structure, a fluid-purifying flow path, and a pH adjusting chamber. The electrode structure may include a cathode, a cation exchange membrane, an anion exchange membrane, and an anode in that order. The fluid-purifying flow path may be at least one of a path in the cathode, between the cathode and the cation exchange membrane, between the anion exchange membrane and the anode, and in the anode. The fluid-purifying flow path may include an adsorption function. The pH adjusting chamber may be between the cation exchange membrane and the anion exchange membrane. The pH adjusting chamber may be configured to control the pH of the fluid in the fluid-purifying flow path. | 09-20-2012 |
20120241383 | REGENERABLE FILTER UNIT FOR REMOVING METAL, REGENERABLE FILTER SYSTEM INCLUDING THE SAME, AND METHOD OF OPERATING REGENERABLE FILTER SYSTEM - A filter unit may include a water permeable first electrode, a second electrode arranged so as to be spaced apart from and opposite to the first electrode, and a non-water permeable separator that is positioned between the first electrode and the second electrode. The first electrode may include a metal adsorbent (metal-adsorbing material) and thus may adsorb a metal included in the water. At least one of the first electrode and the second electrode may induce a water hydrolysis reaction to produce H | 09-27-2012 |
20130129592 | YTTRIUM HYDROXYCARBONATE MODIFIED WITH HETEROGENEOUS METAL, METHOD OF PREPARING THE SAME, AND ADSORBENT AND FILTER DEVICE INCLUDING THE SAME - Example embodiments relate to a yttrium hydroxycarbonate modified with a heterogeneous metal, a method of preparing the same, an adsorbent for a heavy metal including the same, and a filter device including the same. The modified yttrium hydroxycarbonate may have a pore size distribution with a pore diameter peak of less than or equal to 10 nm. | 05-23-2013 |
20130175221 | ELECTRICALLY REGENERABLE WATER SOFTENING APPARATUSES AND METHODS OF OPERATING THE SAME - Electrically regenerable water softening apparatuses, and methods of operating the same, include a first electrode and a second electrode facing each other; a first electrolyte chamber, a first cation exchange membrane, an ion exchange chamber, a second cation exchange membrane, and a second electrolyte chamber which are interposed between the first electrode and the second electrode; an inflow water flow channel configured to introduce inflow water to the ion exchange chamber; a first treated water flow channel configured to discharge treated water softened in the ion exchange chamber; a second treated water flow channel connecting at least one chamber selected from the first electrolyte chamber and the second electrolyte chamber with an ion exchange chamber; and a current applier configured to apply current to the first electrode and the second electrode. The ion exchange chamber is filled with a cation exchanger. | 07-11-2013 |
20130178356 | ABSORBENT FOR HEAVY METAL AND FILTER DEVICE INCLUDING THE SAME - A heavy metal absorbent, and a filter device including the same, include heavy metal absorbing particles each having a surface with a —NO | 07-11-2013 |
20130202889 | METAL SUBOXIDE AND METHODS OF PREPARING SAME - A metal suboxide having a specific surface area of greater than or equal to about 1.5 m | 08-08-2013 |
20130240444 | THERMOSENSITIVE COPOLYMERS, FORWARD OSMOSIS WATER TREATMENT DEVICES INCLUDING THE SAME, AND METHODS OF PRODUCING AND USING THE SAME - A thermosensitive copolymer may include a first repeating unit having a temperature-sensitive oligomer and a second repeating unit having an ionic moiety and a counter ion to the ionic moiety. The temperature-sensitive oligomer may be an oligomer including a repeating unit derived from a unsaturated monomer with a moiety represented by Chemical Formula 1 or Chemical Formula 2, or an oligomer including a repeating unit derived from a heterocyclic compound having C, N, O, and a C═N bond in its ring. | 09-19-2013 |
20130264209 | ION EXCHANGER, METHOD OF MANUFACTURING THE SAME, AND ION EXCHANGE FILTER DEVICE AND ELECTRO-DEIONIZATION DEVICE INCLUDING THE SAME - An ion exchanger according to a non-limiting embodiment may include an open cell polymer support and a microporous polymer matrix charged within the open cell polymer support. The microporous polymer matrix includes an ion conductive polymer. The ion conductive polymer may be obtained by polymerizing monomers having at least one ion exchange functional group and at least one cross-linkable functional group with a cross-linking agent having at least two cross-linkable functional groups. | 10-10-2013 |
20140141231 | SELECTIVELY MODIFIED NANOPOROUS STRUCTURE AND PRODUCTION METHODS THEREOF - A method of selectively modifying a structure including preparing a structure including a nano-sized through-pore, filling the nano-sized through-pore with a surfactant, removing a portion of the surfactant from both ends of the nano-sized through-pore to expose a portion of an internal surface of the nano-sized through-pore, modifying the exposed internal surface of the nano-sized through-pore with a first compound, removing the surfactant from the nano-sized through-pore having the internal surface modified with the first compound to expose an internal surface that remains unmodified with the first compound, and modifying with a second compound the exposed internal surface without being modified with the first compound, the second compound being different from the first compound. | 05-22-2014 |
20140144773 | PHOTOELECTROCHEMICAL CELL - A photoelectrochemical cell includes a compartment divider configured to divide a container into a first compartment and a second compartment, the compartment divider having a first surface facing the first compartment and a second surface facing the second compartment, a first electrolyte in the first compartment, a second electrolyte in the second compartment, a first electrode on the first surface of the compartment divider, a second electrode on the second surface of the compartment divider, a first photocatalyst layer on the first electrode, a second photocatalyst layer on the second electrode, and a catalyst passage connecting the first compartment and the second compartment, the catalyst passage configured to control the first electrolyte and the second electrolyte to flow in one direction. | 05-29-2014 |
20140144779 | CAPACITIVE DEIONIZATION APPARATUS AND METHODS OF TREATING FLUID USING THE SAME - A capacitive deionization apparatus may include at least one pair of porous electrodes and a spacer structure disposed between the at least one pair of electrodes. The at least one pair of porous electrodes may include an electrode material having a surface area for the electrostatic adsorption of feed ions. The spacer structure may include an electrically-insulating material with an ion exchange group on the surface thereof. The spacer structure provides a path for flowing a fluid therethrough. | 05-29-2014 |
20140255781 | METHODS OF FORMING CARBON COATINGS - A method of forming a carbon coating includes heat treating lithium transition metal composite oxide Li | 09-11-2014 |
20140367262 | CAPACITIVE DEIONIZATION APPARATUS AND METHODS OF TREATING A FLUID USING THE SAME - The present disclosure relates to a spacer structure that is configured to be disposed between a pair of electrodes in a capacitive deionization apparatus so as to provide a space for flowing a fluid therethrough. The spacer structure includes a copolymer prepared by copolymerizing a mixture of a polyurethane backbone including a carboxyl group or a sulfonic acid group, an ion conductive monomer including a carboxyl group and a cation exchange group, and a second polymer including a functional group that reacts with the carboxyl group or sulfonic acid group and forms a cross-linking bond with the polyurethane backbone. | 12-18-2014 |
20150021185 | CAPACITIVE DEIONIZATION APPARATUS AND METHODS OF TREATING FLUID USING THE SAME - An electrode material may include a porous carbon material and an organic clay. An electrode for a capacitive deionization apparatus may include the electrode material. A method of removing ions from a fluid may include using the capacitive deionization apparatus. | 01-22-2015 |