Patent application number | Description | Published |
20100330453 | POLYMER ELECTROLYTE MEMBRANE FOR FUEL CELL SYSTEM AND MANUFACTURING METHOD THEREOF - A polymer electrolyte membrane for a fuel cell has a crystalline fusion enthalpy measured by differential scanning calorimetry (DSC) of about 67.3 J/g or more. Such crystallinity improves dimensional stability, mechanical characteristics, and ion conductivity of the polymer electrolyte membrane. | 12-30-2010 |
20110053029 | MEMBRANE ELECTRODE ASSEMBLY FOR FUEL CELL AND FUEL CELL STACK - A membrane electrode assembly for a fuel cell that secures a flow path of a separator while preventing generation of a pin-hole. The membrane electrode assembly includes an electrolyte membrane for a fuel cell, a microporous layer that is disposed at both surfaces of the electrolyte membrane, a backing layer that is disposed on the microporous layer, and a circumferential edge protective layer that is disposed at an circumferential edge of the electrolyte membrane. An end portion of the microporous layer is positioned further inside of the membrane electrode assembly than an end portion of the backing layer. The circumferential edge protective layer is inserted between the backing layer and the electrolyte membrane. | 03-03-2011 |
20110081594 | POLYMER MEMBRANE FOR BATTERY, METHOD OF PREPARING SAME AND BATTERY INCLUDING SAME - Disclosed is a polymer membrane for a battery including a porous support including a fiber including a core including a high melting-point polymer; and a sheath including a low melting-point polymer surrounding the core, and a method of preparing the same. The polymer membrane for a battery may further include a proton conductive polymer. | 04-07-2011 |
20110195331 | FUEL CELL STACK - A fuel cell stack includes membrane-electrode assemblies and separators that are closely disposed to both sides of the membrane-electrode assembly. Each membrane-electrode assembly includes an electrolyte membrane, an anode electrode that is formed on one surface of the electrolyte membrane, a cathode electrode that is formed on the other surface of the electrolyte membrane, and a protective layer formed at an oxidant inlet region where oxidant is first injected into the respective cathode electrode. | 08-11-2011 |
20110223515 | MEMBRANE-ELECTRODE ASSEMBLY FOR FUEL CELL, METHOD OF MANUFACTURING MEMBRANE-ELECTRODE ASSEMBLY FOR FUEL CELL, AND FUEL CELL SYSTEM - A membrane-electrode assembly for a fuel cell is disclosed. The membrane-electrode assembly may include a polymer electrolyte membrane, an adhesive layer disposed on the polymer electrolyte membrane and a catalyst layer formed, as part of the adhesive layer. The polymer electrolyte membrane, the adhesive layer and the catalyst layer may be positioned between a cathode substrate and an anode substrate. The cathode may include a cathode substrate and the anode may include an anode substrate. A method for manufacturing a membrane-electrode assembly and a system incorporating a membrane-electrode assembly are also disclosed. | 09-15-2011 |
20110229785 | FUEL CELL STACK AND FUEL CELL SYSTEM HAVING THE SAME - A fuel cell stack includes a plurality of membrane electrode assemblies, each of the membrane electrode assemblies having an electrolyte membrane; an anode on a first side of the electrolyte membrane; and a cathode on a second side of the electrolyte membrane opposite to the first side, wherein the anode and the cathode each comprise a gas diffusion layer divided into at least two areas such that a first area and a second area have different area densities; and a separator between adjacent membrane electrode assemblies. | 09-22-2011 |
20110244362 | CATALYST FOR FUEL CELL, MEMBRANE-ELECTRODE ASSEMBLY INCLUDING SAME, AND FUEL CELL SYSTEM INCLUDING SAME - A catalyst for a fuel cell including a carrier and an active metal dispersion that is supported in the carrier is disclosed. The catalyst may have a dispersity (Dp) represented by General Formula 1 and that ranges from between about 0.01 to about 1.0. | 10-06-2011 |
20110244363 | ELECTRODE CATALYST FOR FUEL CELL, MEMBRANE-ELECTRODE ASSEMBLY FOR FUEL CELL INCLUDING SAME, AND FUEL CELL SYSTEM INCLUDING SAME - An electrode catalyst for a fuel cell including a carbon-based carrier and an active metal supported in the carrier, for example, an electrode catalyst for a fuel cell includes a carrier and an active metal supported in the carrier, wherein the electrode catalyst has an X value of 95 to 100% in Equation 1. | 10-06-2011 |
20110305960 | FUEL CELL STACK - A fuel cell stack configured to alleviate pressure and decrease the flow rate of at least one of a fuel and an oxidant is disclosed. The fuel cell stack includes a membrane-electrode assembly, an anode separator, a cathode separator and a filing member. The membrane-electrode assembly may include an electrolyte membrane, an anode formed on a first surface of the electrolyte membrane, and a cathode formed on a second surface of the electrolyte membrane. The anode separator may include a fuel channel, a fuel inlet manifold in fluid communication with the fuel channel, and a fuel outlet manifold in fluid communication with the fuel channel. The cathode separator may include an oxidant channel, an oxidant inlet manifold in fluid communication with the oxidant channel, and an oxidant outlet manifold in fluid communication with the oxidant channel. The filling member may be positioned within at least one of the fuel inlet manifold and the oxidant inlet manifold. | 12-15-2011 |
20110305965 | Stack for fuel cell system - A stack for a fuel cell system, including: a membrane electrode assembly, a separator that includes a fuel passage that supplies a fuel to an anode electrode of the membrane electrode assembly and an oxidant passage that supplies an oxidant to a cathode electrode of an adjacent membrane electrode assembly, a first manifold that is formed by connecting first penetration holes that penetrate the separator in a stacking direction and that is connected to the fuel passage, a second manifold that is formed by connecting second penetration holes that penetrate the separator in the stacking direction and that is connected to the oxidant passage and a baffle that is disposed in at least one of the first manifold and the second manifold. The baffle has a membrane structure to control the fluid flow inside of the at least one of the first manifold and the second manifold. | 12-15-2011 |
20110305966 | FUEL CELL STACK AND REPLACEMENT DEVICE FOR MEMBRANE-ELECTRODE ASSEMBLY OF FUEL CELL STACK - A fuel cell stack including an electricity generating unit and a pair of end plates is disclosed. The electricity generating unit includes membrane-electrode assemblies and separators interposed between the membrane-electrode assemblies. The separators have recess portions formed on side faces thereof and may be configured to hold an external device for replacement of a single membrane-electrode assembly within the fuel cell stack. The end plates are located sandwiching the electricity generating unit by using fastening members to press the electricity generating unit. | 12-15-2011 |
20110305969 | FUEL CELL STACK - A fuel cell stack including membrane-electrode assemblies and separators formed between each of the membrane-electrode assemblies is disclosed. The membrane-electrode assemblies may each include an electrolyte membrane, an anode formed on a first surface of the electrolyte membrane, and a cathode formed on a second surface of the electrolyte membrane. Each of the separators may include an anode separator facing the anode and a cathode separator facing the cathode. Each of the separators may include at least two manifolds, a channel separated from the manifolds and facing either the anode or the cathode, and a connection channel fluidly connecting the manifold and the channel. The separator may also include a buffer protrusion system in the connection channel configured to disperse the flow of the fuel or the oxidant. | 12-15-2011 |
20120015261 | FUEL CELL SYSTEM AND STACK THEREOF - A fuel cell system having improved driving performance is disclosed. The fuel cell system includes a stack, which may include a membrane electrode assembly, a separator and end plates provided on the both sides of the stacked membrane electrode assembly and the separator. The membrane electrode assembly may include an anode electrode, a cathode electrode, and an electrolyte membrane. The separator may be positioned with respect to the anode electrode and the cathode electrode, respectively. The end plate may include an oxidant inlet configured to supply oxidant to the cathode electrode, an unreacted oxidant outlet configured to output the unreacted oxidant from the cathode electrode, and a absorption member in fluid communication between the oxidant inlet and the unreacted oxidant outlet. | 01-19-2012 |
20120021325 | Membrane-Electrode Assembly, and Fuel Cell Stack and Fabricating Method of Membrane-Electrode Assembly - A membrane-electrode assembly for a fuel cell, the membrane-electrode assembly including an electrolyte membrane; an edge protective layer located at generally an edge of the electrolyte membrane; and a catalytic layer including a plate portion contacting the electrolyte membrane and a protruding portion protruding from the plate portion and contacting the edge protective layer. | 01-26-2012 |
20120034549 | SEPARATOR FOR FUEL CELL, AND FUEL CELL SYSTEM INCLUDING SAME - A fuel cell separator and a fuel cell system including the same. The separator includes a main body including a plurality of cell barriers and a flow channel disposed between the cell bathers, and a hydrophilic surface-treatment layer disposed on the bottom surface of the flow channel of the main body. The hydrophilic surface-treatment layer disposed on the bottom surface of the flow channel has a contact angle less than a contact angle of a side surface of at least one of the cell barriers by approximately 10° to approximately 60°. | 02-09-2012 |
20120244445 | ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY COMPRISING SAME - In one aspect, a rechargeable lithium battery comprising a non-aqueous electrolyte including an organic solvent; a lithium salt and a substituted 2-fluoroalkoxy-1,3,2-dioxaphospholane 2-oxide is provided. The 2-fluoroalkoxy-1,3,2-dioxaphospholane 2-oxide can be a compound represented by the following Chemical Formula 1. | 09-27-2012 |
20130004840 | NON-AQUEOUS ELECTROLYTE ADDITIVE FOR LITHIUM SECONDARY BATTERY, NON-AQUEOUS ELECTROLYTE, AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - A non-aqueous electrolyte additive for a lithium secondary battery, a non-aqueous electrolyte for a lithium secondary battery, and a lithium secondary battery, the additive including a bidentate phosphorus compound represented by the following Chemical Formula 1. | 01-03-2013 |
20130004861 | ELECTROLYTE ADDITIVE FOR LITHIUM SECONDARY BATTERY, NON-AQUEOUS ELECTROLYTE, AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - A non-aqueous electrolyte additive for a lithium secondary battery, a non-aqueous electrolyte, and a lithium secondary battery including the same, the additive including dicyanoacetylene or a cyano group-containing unsaturated compound represented by the following Chemical Formula 1, the cyano group-containing unsaturated compound including an unsaturated bond and two or more cyano groups linked in cis- or trans-positions of carbons of the unsaturated bond. | 01-03-2013 |
20130011730 | POSITIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY - Disclosed is a positive electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same. The positive electrode includes a current collector; a positive active material layer including a positive active material and a vanadium oxide; and a vanadium oxide-contained coating layer formed between the current collector and the positive active material layer. | 01-10-2013 |
20130040222 | CATALYST LAYER COMPOSITION FOR FUEL CELL, ELECTRODE FOR FUEL CELL, METHOD OF PREPARING ELECTRODE FOR FUEL CELL, MEMBRANE-ELECTRODE ASSEMBLY FOR FUEL CELL, AND FUEL CELL SYSTEM USING THE MEMBRANE-ELECTRODE ASSEMBLY - A catalyst layer composition for a fuel cell includes an ionomer cluster, a catalyst, and a solvent including water and polyhydric alcohol; and an electrode for a fuel cell includes a catalyst layer comprising an ionomer cluster having a three-dimensional reticular structure, and a catalyst, a method of preparing a electrode for a fuel cell includes a catalyst layer comprising an ionomer cluster having a three-dimensional reticular structure, and a catalyst, and a membrane-electrode assembly for a fuel cell including the electrode and a fuel cell system including the membrane-electrode assembly. | 02-14-2013 |
20130130155 | THE REMAINDER OF THIS PAGE INTENTIONALLY LEFT BLANK - A membrane-electrode assembly for a fuel cell includes an anode and a cathode facing each other and a polymer electrolyte membrane interposed therebetween. At least one of the anode and the cathode includes a conductive electrode substrate and a catalyst layer formed thereon, and the catalyst layer includes a first catalyst layer including a first metal catalyst that grows from the polymer electrolyte membrane toward the electrode substrate and a second catalyst layer including a second metal catalyst covering the first catalyst layer. | 05-23-2013 |
20130183590 | ELECTRODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING SAME - An electrode for a lithium secondary battery, including a surface having surface roughness of about 800 nm to about 1000 nm, and a lithium secondary battery including the same. In one embodiment, the lithium secondary battery has improved cycle-life characteristics. | 07-18-2013 |
20140050989 | SEPARATOR FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - Disclosed is a separator having surface energy of about 45 mN to about 50 mN/m which can be prepared by radiating plasma on a polymer film under a current of from about 1800 mA to about 2000 mA and electric power of from about 2750 W to about 3000 W. Further disclosed is a rechargeable battery comprising the separator having a surface energy of about 45 mN to about 50 mN/m. | 02-20-2014 |
20140065463 | SEPARATOR FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - A separator for a rechargeable lithium battery including a tungsten-doped vanadium oxide (VO | 03-06-2014 |
20140134479 | ADDITIVE FOR ELECTROLYTE AND ELECTROLYTE AND RECHARGEABLE LITHIUM BATTERY - An electrolyte additive represented by the following Chemical Formula 1, an electrolyte, and a rechargeable lithium battery are disclosed: | 05-15-2014 |
20140178772 | ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - An electrolyte for a rechargeable lithium battery that includes a lithium salt and a non-aqueous organic solvent, wherein the non-aqueous organic solvent includes a fluoro-based solvent represented by the following Chemical Formula 1, and a rechargeable lithium battery including the same. | 06-26-2014 |
20140199599 | ELECTROLYTES FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY COMPRISING SAME - Disclosed is an electrolyte for a rechargeable lithium battery including an organic solvent; a lithium salt; a flame retardant; and at least one acrylate compound having a fluorinated alkyl group. The electrolyte for a rechargeable battery may provide a rechargeable lithium battery having flame-retardant characteristics without decrease of cycle-life and battery performance. | 07-17-2014 |
20140205914 | ELECTROLYTE FOR LITHIUM RECHARGEABLE BATTERY AND LITHIUM RECHARGEABLE BATTERY INCLUDING THE ELECTROLYTE - Disclosed are an electrolyte for a rechargeable lithium battery including an ionic liquid represented by Chemical Formula 1, a lithium salt, and an organic solvent, and a rechargeable lithium battery including the electrolyte for a rechargeable lithium battery. | 07-24-2014 |
20140220426 | PHOSPHORUS CONTAINING COMPOUND, METHOD OF PREPARING SAME, AND ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - A phosphorous containing compound represented by the following Chemical Formula 1, a method of preparing the phosphorous containing compound, an electrolyte for a rechargeable lithium battery including the phosphorous containing compound, and a rechargeable lithium battery including the electrolyte. | 08-07-2014 |
20140242453 | ELECTROLYTE AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - An electrolyte for a rechargeable lithium battery including a lithium salt, a non-aqueous organic solvent, and an additive, wherein the additive includes a compound represented by Chemical Formula 1 | 08-28-2014 |
20140308563 | RECHARGEABLE LITHIUM BATTERY AND METHOD OF FABRICATING SAME - In an aspect, a rechargeable lithium battery that includes a positive electrode; negative electrode; a separator interposed between the positive electrode and the negative electrode and including a porous substrate and a coating layer formed on at least one side of the porous substrate; and an electrolyte including a lithium salt, a non-aqueous organic solvent, and an additive is provided. | 10-16-2014 |
20140308564 | RECHARGEABLE LITHIUM BATTERY AND METHOD OF FABRICATING THE SAME - In an aspect, a rechargeable lithium battery that includes a positive electrode; negative electrode; a separator interposed between the positive electrode and the negative electrode and including a porous substrate and a coating layer formed on at least one side of the porous substrate; and an electrolyte including a lithium salt, a non-aqueous organic solvent, and an additive is provided. | 10-16-2014 |
20140335427 | ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY EMPLOYING THE SAME - An electrolyte for a lithium secondary battery and a lithium secondary battery including the electrolyte are provided. The electrolyte includes a compound represented by Formula 1 below; a nonaqueous organic solvent; and a lithium salt: | 11-13-2014 |
20140342242 | ORGANIC ELECTROLYTE SOLUTION AND LITHIUM BATTERY COMPRISING THE SAME - An organic electrolyte solution and a lithium battery using the same are disclosed. The organic electrolyte solution includes a lithium salt, an organic solution, a thiophene-based compound and a nitrile-based compound. | 11-20-2014 |
20140349176 | ADDITIVE FOR ELECTROLYTE, ELECTROLYTE AND RECHARGEABLE LITHIUM BATTERY - In an aspect, a rechargeable lithium battery that includes a positive electrode; negative electrode; a separator interposed between the positive electrode and the negative electrode; and an electrolyte including a lithium salt, a non-aqueous organic solvent, and an additive is provided. The additive may be an optionally substituted thiophene. | 11-27-2014 |
Patent application number | Description | Published |
20080268314 | Membrane-electrode assembly for fuel cell, method of preparing same, and fuel cell system comprising same - A membrane-electrode assembly for a fuel cell, a method of preparing the membrane-electrode assembly, and a fuel cell system including the membrane-electrode assembly are provided. The membrane-electrode assembly includes an anode and a cathode disposed opposite to each other, and a polymer electrolyte membrane interposed between the anode and the cathode. The polymer electrolyte membrane includes surface roughness, and a metal layer randomly formed on at least one side of the membrane. | 10-30-2008 |
20090130515 | Electrode for fuel cell, membrane-electrode assembly including same, and fuel cell system including same - The electrode for a fuel cell according to one embodiment of the present invention includes an electrode substrate and a catalyst layer disposed on the electrode substrate, the catalyst layer including metal nanoparticles, a binder and a catalyst. The metal nanoparticles in the catalyst layer improve electrical conductivity, and also have catalyst activity to implement a catalytic synergetic effect so as to provide a high power fuel cell. | 05-21-2009 |
20090280384 | Polymer and membrane-electrode assembly for fuel cell, and fuel cell system including the same - A polymer represented by the following Formula 1, and a membrane-electrode assembly and a fuel cell system including the polymer: | 11-12-2009 |
20100021785 | MEMBRANE-ELECTRODE ASSEMBLY FOR A FUEL CELL AND A FUEL CELL SYSTEM INCLUDING THE SAME - A membrane-electrode assembly for a fuel cell includes a cathode and an anode facing each other, and a polymer electrolyte membrane interposed therebetween. Each of the cathode and the anode includes an electrode substrate and a catalyst layer disposed on the electrode substrate. At least one of the electrode substrate of the anode or the electrode substrate of the cathode includes a metal layer disposed thereon. | 01-28-2010 |
20100112409 | Polymer membrane for fuel cell, method of preparing the same, membrane-electrode assembly including the same, and fuel cell system including the same - The present invention relates to a polymer electrolyte membrane for a fuel cell, a method for manufacturing the polymer electrolyte membrane, a membrane-electrode assembly for a fuel cell including the polymer electrolyte membrane, and a fuel cell system including the membrane-electrode assembly. The polymer electrolyte membrane includes a proton-conductive polymer membrane including a polymer micelle inside a hydrophilic channel. Herein, the micelle includes a vinyl-based polymer obtained from polymerization of a vinyl-based monomer and an anionic surfactant surrounding the vinyl-based polymer. | 05-06-2010 |
20100227244 | MEMBRANE-ELECTRODE ASSEMBLY FOR FUEL CELL AND FUEL CELL STACK WITH THE SAME - A membrane-electrode assembly (MEA) for a fuel cell includes a fuel cell electrolyte membrane, an anode disposed at a first side of the electrolyte membrane, and a cathode disposed at a second side of the electrolyte membrane, wherein the cathode has a thickness and an area, the cathode area extending in a plane substantially parallel to a major surface of the electrolyte membrane, the cathode area includes a central area and a peripheral area, the peripheral area extending to lateral edges of the cathode, the central area includes hydrophilic portions and hydrophobic portions, the peripheral area includes hydrophilic portions and hydrophobic portions, and the central area is more hydrophobic than the peripheral area. | 09-09-2010 |
20100310950 | Catalyst for fuel cell, ful cell systems including the same, and associated methods - A catalyst for a fuel cell, a fuel cell system including the same, and associated methods, the catalyst including a platinum-metal alloy having a face-centered tetragonal structure, and a carrier, wherein the platinum-metal alloy shows a broad peak or a peak having two split tips at a 2θ of about 65 to about 75 degrees in an XRD pattern using a Cu—K α line, and the platinum-metal alloy is supported in the carrier and has an average particle size of about 1.5 to about 5 nm. | 12-09-2010 |