Patent application number | Description | Published |
20080268315 | FUEL CELL STACK - A fuel cell stack includes a plurality of membrane electrode assemblies (MEAs) and a stamped metal separator. The metal separator is positioned between the membrane electrode assemblies. The separator includes at least one channel on both surfaces of the separator formed by a stamping process. The separator comprises a plurality of holes, each of which form a manifold communicating with each the channels. | 10-30-2008 |
20090075133 | ELECTRODE FOR FUEL CELL, MEMBRANE-ELECTRODE ASSEMBLY FOR FUEL CELL, AND FUEL CELL SYSTEM INCLUDING SAME - Provided are an electrode and a membrane-electrode assembly for a fuel cell, and a fuel cell system including the same. The electrode for a fuel cell may include an electrode substrate and a catalyst layer disposed on one side of the electrode substrate. The electrode substrate may include a non-woven fabric or a woven fabric coated with an electrically conductive polymer. The electrode for a fuel cell may be configured for high-performance by promoting transfer of electrons, reactants and products. | 03-19-2009 |
20090104477 | FUEL CELL AND INFORMATION DEVICE - The present invention relates to a fuel cell capable of transferring a power generation state and coupling information of the fuel cell to an external apparatus and relates to an information device capable of receiving power and information from the fuel cell. The fuel cell includes a fuel cell stack for generating electricity by an electrochemical reaction of a fuel and an oxidant; a fuel supplier for supplying the fuel to the fuel cell stack; a set of output terminals for outputting electricity generated from the fuel cell stack and for outputting information on a power generation state of the fuel cell; and a power supply information processing unit for applying a voltage level according to the information to any one of the set of output terminals. | 04-23-2009 |
20090110980 | FLUID RECYCLING APPARATUS AND FUEL CELL SYSTEM USING THE SAME - Fuel recycling apparatuses and fuel cell systems using the same are provided. The fluid recycling apparatus includes a porous member having first and second ends, a first electrode coupled to the first end of the porous member, a second electrode coupled to the second end of the porous member, and a power supplier for applying a constant voltage between the first electrode and the second electrode. The porous member moves a liquid from the first end of the porous member to the second end of porous member and discharges a gas under the voltage applied by the power supplier. | 04-30-2009 |
20090110982 | Sensing pipe and fuel cell system using the same - A fuel cell system including a quartz crystal microbalance (QCM) concentration sensor, and in particular, comprising a bypass channel structure useful for installing a QCM concentration sensor to a fuel cell system. The fuel cell system includes a fuel cell stack generating electric energy by an electrochemical reaction of a hydrogen-containing fuel and an oxidant, a fuel cell including a fuel supplying unit supplying the hydrogen-containing fuel to the fuel cell stack, a QCM concentration sensing unit for measuring the concentration of a fluid in the fuel cell, and a drive controlling unit for controlling the operation of the fuel cell according to an output of the QCM concentration sensing unit. | 04-30-2009 |
20090110983 | FUEL CELL SYSTEM - A fuel cell system including a correction means capable of accurately correcting a concentration sensing value according to temperature is discussed. The fuel cell system may include an electricity generating unit generating electric energy by means of the electrochemical reaction of fuel and an oxidizer, a fuel supplying unit supplying the fuel to the electricity generating unit, a main concentration sensor for measuring the concentration of the fuel, a reference cell filled with reference solution and including a reference concentration sensor for measuring the concentration of the reference solution, and/or a drive controlling unit controlling the operation of the electricity generating unit based on the concentration values measured in the main concentration sensor and the reference concentration sensor. | 04-30-2009 |
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 |
20100196769 | FUEL CELL SYSTEM - A fuel cell system according to exemplary embodiments of the present invention includes a fuel cell stack that generates electrical energy through the electrochemical reaction of fuel and oxidant, a fuel supply unit for supplying the fuel to the fuel cell stack, and an oxidant supply unit for supplying the oxidant to the fuel cell stack. The fuel supply unit includes a fuel permeation membrane between a space where fuel recovered from the fuel cell stack is positioned and a space where stored fuel is positioned. The fuel cell system enables easy control of the concentration of fuel supplied to the fuel cell stack. | 08-05-2010 |
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 |
20100203402 | FUEL CELL SYSTEM AND DRIVING METHOD THEREOF - A fuel cell system and method for driving the same is disclosed. In one embodiment, the fuel cell system includes i) a fuel supply unit, ii) a fuel cell stack in fluid communication with the fuel supply unit, wherein the fuel cell stack has a fuel inlet and a fuel outlet and iii) a bypass pipe configured to transfer fuel received from the fuel supply unit to a fuel outflow pipe connected to the fuel outlet. In one embodiment, the driving method includes i) receiving fuel from a fuel supply unit, ii) transferring the received fuel to a fuel outflow pipe connected to a fuel outlet of a fuel cell stack and iii) discharging non-reacted fuel from a fuel inlet of the fuel cell stack. | 08-12-2010 |
20100209788 | FUEL CELL SYSTEM - A fuel cell system includes: a fuel cell stack for generating electrical energy by reacting oxidant and mixed fuel, and for discharging non-reacted fuel, oxidant, moisture, and carbon dioxide; a mixer for preparing the mixed fuel by mixing at least a portion of the non-reacted fuel, oxidant and moisture with concentrated fuel and for supplying the mixed fuel to the fuel cell stack; a fuel supply unit for supplying the concentrated fuel to the mixer; an oxidant supply unit for supplying the oxidant to the fuel cell stack; a first heat exchanger between an outlet of the fuel cell stack and the mixer; and a second heat exchanger between the mixer and an inlet of the fuel cell stack. | 08-19-2010 |
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 |
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 |