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 |
20080311447 | Fuel composition for polymer electrolyte fuel cell polymer electrolyte fuel cell system including same - The fuel composition for a fuel cell for a polymer electrolyte membrane fuel cell includes a fuel, water, hydrogen peroxide (H | 12-18-2008 |
20090107662 | EVAPORATOR FOR FUEL CELL SYSTEM - An evaporator for a fuel cell system generating steam used for a steam reforming reaction provides an evaporator including a body having an inner space formed by a hollow for allowing a flow of a fluid, and a plurality of cell barrier members dividing the inner space into a plurality of spaces and having heat conductivity. The spaces include at least one first space for allowing a flow of a flue gas and at least one second space for allowing a flow of water. | 04-30-2009 |
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 |
20090169932 | FUEL CELL SYSTEM AND REFORMER - A fuel cell system and a reformer for a fuel cell system prevents backfire and improves efficiency of heat transfer. The fuel cell system includes a reformer generating hydrogen gas from fuel including hydrogen by a catalytic chemical reaction using heat energy, and at least one electricity generating unit generating electrical energy by an electrochemical reaction between the hydrogen gas and oxygen. The reformer includes a case, a heat source, and a reforming reaction part. The case forms an external shape. The heat source is disposed in the case to generate heat energy by an oxidation reaction between fuel and a catalyst, and includes a mesh, an oxidation catalyst layer formed on a surface of the mesh, and at least one fuel injection nozzle supplying the fuel to the oxidation catalyst layer. The reforming reaction part is disposed in the case to generate hydrogen gas from fuel using the heat energy generated from the heat source. | 07-02-2009 |
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 |
20100058663 | EVAPORATOR AND FUEL REFORMER HAVING THE SAME - An evaporator (e.g., a small-sized high-efficiency evaporator) and a fuel reformer having the same. The evaporator has multi-stage structure (e.g., a four-stage disk structure), in which the respective disks are filled with fin structures. The first two disks through which exhaust gas passes and the second two disks through which water passes are stacked alternately with each other. Also, the first two disks are coupled with each other by a first pipe penetrating through one of the second two disks, and the second two disks are coupled with each other by a second pipe penetrating through one of the first two disks. | 03-11-2010 |
20100062299 | EVAPORATOR AND FUEL REFORMER HAVING THE SAME - An evaporator and a fuel reformer having the same. The evaporator includes a wall arrangement having a circumferential wall and a bottom wall, the circumferential wall and the bottom wall defining (or surrounding) an evaporation chamber; an inlet provided at one side of the evaporation chamber; an outlet formed in the bottom wall; and a barrier at (or surrounding) the outlet and projected from the bottom wall to the inside of the evaporation chamber. | 03-11-2010 |
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 |
20100119421 | Catalyst support, method of manufacturing the same, and reformer having the same - A catalyst support includes a base member, and a plurality of paths extending through the base member in a first direction from a first end of the base member to a second end of the base member. Each path has a first end at the first end of the base member and a second end at the second end of the base member, and the first ends of the paths are disposed at different intervals from a plane that is perpendicular to the first direction. | 05-13-2010 |
20100158769 | REFORMER - A reformer, which may be configured to prevent flash back generated from a reaction part in a catalytic oxidation reaction is disclosed. The reformer may include a first reaction part having a first chamber and a first catalyst disposed inside the first chamber, the first reaction part configured to generate heat by burning a first fuel. The reformer may include a second reaction part having a second catalyst, the second reaction part configured to be heated by the first reaction part and the second reaction part further configured to reform a second fuel. The reformer may include a flash back prevention part disposed on an upstream side of a flow of the first fuel and air, the flash back prevention part configured to introduce the first fuel and the air across a predetermined interval from the first catalyst. | 06-24-2010 |
20100196776 | AUTO IGNITION TYPE AUTOTHERMAL REFORMER AND FUEL CELL SYSTEM HAVING THE SAME - An auto ignition type autothermal reformer (ATR) performs reproducible ignition using a catalyst that performs ignition without a separate ignition unit, such as an igniter or heating wire, and a fuel cell system having the ATR. The ATR includes a reaction container having a first opening through which a fuel is introduced into the reaction container and a second opening through which a reformate is discharged from the reaction container, the fuel having a mixture of an aqueous primary fuel solution and hydrogen peroxide; a first catalyst disposed adjacent to the first opening in the reaction container, the first catalyst being a granular catalyst; a second catalyst disposed at the rear portion of the first catalyst to promote an autothermal reforming reaction; and a third catalyst disposed at the rear portion of the second catalyst to promote an oxidation reaction. | 08-05-2010 |
20100226834 | Fuel reformer - A fuel reformer including a reaction container including a first chamber, a first reactor in the first chamber, the first reactor, including a first catalyst, being configured to produce a first reformate by performing a steam reforming reaction on a first fuel, and having a first gas hourly space velocity (GHSV) at a set flow rate, a first heat source thermally connected to the first reactor, and a second reactor connected to the first reactor, the second reactor including a second catalyst, being configured to produce a second reformate having a lower carbon monoxide content than the first reformate, and having a second GHSV greater than the first GHSV at the set flow rate. | 09-09-2010 |
20100269912 | FUEL SUPPLY APPARATUS FOR A COMBUSTOR - A fuel supply apparatus for a combustor configured to prevent or substantially prevent a flashback from being generated from the combustor. A fuel supply apparatus includes a fuel distribution part having a first opening part and a second opening part, the fuel distribution part configured to alternately discharge a fuel from the first opening part and the second opening part; and a housing having a first channel and a second channel, wherein an intermediate part of the first channel is coupled to and in fluid communication with the first opening part, and an intermediate part of the second channel is coupled to and in fluid communication with the second opening part. | 10-28-2010 |
20100284868 | CATALYTIC COMBUSTOR AND FUEL REFORMER HAVING THE SAME - A catalytic combustor which can prevent spark ignition pollution without increasing the pressure in the catalytic combustor through structural isolation between a chamber and an igniter, and a fuel reformer having the same are disclosed. A catalytic combustor may include a housing having a cylindrical chamber, a first opening disposed at one end part of the chamber, a second opening for discharging an exhaust in the chamber, and an auxiliary channel for connecting the chamber and the second opening. A catalyst may be disposed in the chamber. When the length direction of the chamber corresponds to a gravitational direction, an igniter may be disposed apart from a virtual extension volume of the chamber extending in the gravitational direction and positioned at a lower portion of the housing. | 11-11-2010 |
20100300561 | MIXING DEVICE - A mixing device capable of mixing a variety of fluids and suitable for miniaturization and low cost operation. In one embodiment, a mixing device includes a housing having an inner space and at least one opening for allowing at least two kinds of fluids to flow into the inner space, at least one pair of nozzle holes passing through one side wall of the housing, and at least one pair of guide portions extending from an outer surface of the housing and protruding up to the respective nozzle holes so that mixed fluids respectively discharged through the at least one pair of nozzle holes collide with each other. | 12-02-2010 |
20100303681 | CATALYTIC COMBUSTOR AND FUEL REFORMER HAVING THE SAME - A catalytic combustor and a fuel reformer having the same. The catalytic combustor includes a housing having a cylindrical reaction portion and a second reaction portion surrounding the first reaction portion in a double tube shape. The housing has a first opening for supplying a first fuel and an oxidant to the first reaction portion and a second opening through which an exhaust in the second reaction portion is discharged. The first and second openings are disposed at first sides of the first and second reaction portions, respectively. The first and second reaction portions are connected with each other so that the fluid is communicated with the first and second reaction portions at second sides of the first and second reaction portions. A catalyst is disposed in the first reaction portion, and a mesh layer is inserted into the second reaction portion. | 12-02-2010 |
20110116980 | PREFERENTIAL OXIDATION REACTOR - There is provided a preferential oxidation reactor having excellent carbon monoxide reducing performance while providing for self-ignition of mixed hydrogen gas. The preferential oxidation reactor includes: a first reaction unit including a first internal space connected with a first opening portion and a first catalyst capable of spontaneously igniting hydrogen mixed gas at a predetermined atmospheric temperature of the first internal space; a second reaction unit including a second internal space connected to a second opening portion and a second catalyst contained in the second internal space; and a separation layer that is positioned between the first and second catalysts so as to separate the first catalyst and the second catalyst from each other and which connects the first internal space and the second internal space to each other to be in fluid communication. | 05-19-2011 |
20110158866 | REFORMER WITH HIGH DURABILITY - A reformer including a heating unit, a first combustor for receiving and oxidizing a heating unit fuel at a first end of the heating unit, and a second combustor for receiving and oxidizing an anode off gas at a second end of the heating unit, a reforming unit having a first reforming portion surrounding the heating unit, a second reforming portion surrounding the first reforming portion, and a flow path portion connecting the first reforming portion and the second reforming portion to provide fluid communication therebetween, and a heat resistant shield between the flow path portion and the second combustor. Here, the heat resistant shield protects the reforming unit from being distorted by thermal expansion caused by the heating unit. In addition, the flow path portion may be formed with a blade configured to further protect the connector from being distorted by thermal expansion. | 06-30-2011 |
20110158867 | REFORMER WITH HIGH DURABILITY - A reformer having high durability and including a heating unit and a reforming unit. The heating unit has a hollow cylindrical shape or polygonal shape and a first combustor and a second combustor that receives and oxidizes heating unit fuel and anode off gas (AOG) at both ends thereof. The reforming unit includes a first reforming portion formed to surround the exterior of the heating unit, a second reforming portion formed to surround the exterior of the first reforming portion and a flow path portion connecting the first reforming portion and the second reforming portion to provide fluid communication therebetween. The flow path portion includes a pre-deformed portion extending along a direction substantially perpendicular to the central axis of the heating unit. | 06-30-2011 |