Abstract: A reformer for a fuel cell system includes at least one reaction substrate having a channel for allowing fuel to flow on a surface thereof; and a close contact assembly closely contacted with a surface of the reaction substrate to form a passage by the channel, wherein the reaction substrate includes aluminum.

Abstract: Disclosed is a reformer for a fuel cell. The reformer for a fuel cell includes a reforming reactor generating reformed gas having abundant hydrogen gas by reforming fuel and steam and a standing shape of a water gas shift reactor coupled to the reforming reactor for lowering the concentration of carbon monoxide contained in the reformed gas. The water gas shift reactor has an opening. A pipe is coupled to the opening and has a portion located below the opening. Liquid water which may stay in the inside at the time that the operation stops can be drained out of the water gas shift reactor to prevent the water gas shift catalyst from being submerged in liquid water.

Abstract: A reformer for a fuel cell including: at least one reaction plate in which a channel is formed on a surface thereof; a cover plate disposed on the surface of the reaction plate; a bonding part which is formed between the reaction plate and the cover plate and which integrally fixes the reaction plate and the cover plate to each other; and a heat processing part which is formed outside the channel and which reduces a contact area between the reaction plate and the cover plate and controls thermal energy supplied to the reaction plate.

Abstract: A fuel cell reforming catalyst includes a platinum-group metal; an inorganic oxide selected from CeO2, Pr6O11, and combinations thereof; a strong acid ion; and a carrier. The fuel cell reforming catalyst has high activity for the reforming reaction at low temperatures and low space velocities.

Abstract: There is provided a fuel cell system comprising: a reformer for generating a hydrogen gas stream from fuel through a catalytic chemical reaction using thermal energy; and a stack for generating electric energy through a reaction between the hydrogen gas stream and oxygen. The reformer includes: a first reaction section for generating thermal energy through an oxidation reaction of fuel during start-up of the fuel cell system; a second reaction section which communicates with the first reaction section and which generates the hydrogen gas stream from the fuel through a reforming reaction using the thermal energy; and a third reaction section which communicates with the first and second reaction sections, and which generates thermal energy through an oxidation reaction of carbon monoxide contained in the hydrogen gas stream, thereby reducing the concentration of carbon monoxide in the hydrogen gas stream.

Abstract: Provided is a reaction vessel for a fuel cell, and more particularly to a reaction vessel exhibiting improved thermal efficiency, and a reaction device for a steam reforming reaction for a fuel cell. The reaction device includes a cylindrical reaction catalyst chamber on which a target reaction catalyst for a predetermined target reaction is disposed; and a tubular oxidation catalyst chamber surrounding the reaction catalyst chamber, comprising an oxidation reaction catalyst therein. The reaction device according features an increased contact area between catalyst and gas, and rapidly heating of the gas in contact with the catalyst to a desired reaction temperature.

Abstract: The reformer for a fuel cell system includes a reforming reaction part that generates hydrogen gas from a fuel through a catalyst reforming reaction using heat energy, and a carbon monoxide reducing part that reduces the concentration of carbon monoxide in the hydrogen gas, through an oxidizing reaction of hydrogen gas with the oxidant. The carbon monoxide reducing part includes a first reducing part including a first carbon monoxide oxidizing catalyst and a second reducing part including a second carbon monoxide oxidizing catalyst.

Abstract: A reformer that directly receives heat and performs an ATR catalyst reaction and an SR catalyst reaction. The reformer includes: a reforming reactor to reform hydrogen containing fuel into reformed gas having abundant hydrogen by performing an ATR catalyst reaction and an SR catalyst reaction; a heat source contacting one side of the reforming reactor and providing the reforming reactor with heat; and an air feeder to feed the reforming reactor with air by an air flow control unit. Thus, the ATR catalyst reaction featuring a relatively short preheating time is performed while the reformer is initially operated, so that hydrogen can be produced when the reformer is initially operated, thereby efficiently operating a fuel cell.

Abstract: A fuel reforming system and a fuel cell system including the same, the fuel reforming system including: a fuel reformer adapted to produce a reformed gas having hydrogen as a main component from a fuel containing hydrogen; a carbon monoxide (CO) remover adapted to remove carbon monoxide from the reformed gas; a heat source adapted to supply heat energy to the reformer and the CO remover; and a moving unit adapted to move the heat source between the fuel reformer and the CO remover. With this configuration, the fuel reformer and the CO remover can be directly heated by a heat source. Then, when the temperature of the CO remover reaches a catalyst activation temperature, the heat source can be moved to directly heat only the fuel reformer, thereby enhancing a reforming effect and a power generation efficiency of the fuel reforming system.

Abstract: A device comprises a multi-layered thin film having excellent adhesion due to the method of fabricating the same. More particularly, the device includes a multi-layered thin film consisting of a tantalum nitride layer, a tantalum layer formed on the tantalum nitride layer, and a gold thin film formed on the tantalum layer.

Abstract: A fuel cell system includes a reformer that includes a plurality of reaction sections for generating hydrogen from hydrogen-containing fuel; a plurality of heating sections which supply thermal energy to the plurality of heating sections and which have a catalyst; and a main body receiving the plurality of reaction sections and the plurality of heating sections. The respective heating sections generate different amounts of thermal energy for the reactions of the respective reaction sections.

Abstract: The present invention is a stacked fuel cell system which is formed by stacking a plurality of electricity generators, each electricity generator having a membrane-electrode assembly and a separator provided with the membrane-electrode assembly. The stack comprises an aligner which is disposed at least one portion of the separator and which couples and aligns the plurality of electricity generators.

Abstract: A PROX reactor integrated with a heat exchanger and an operating method thereof capable of effectively controlling temperature of a preferential oxidation reactor so as to obtain optimal activation and yield. The PROX reactor integrated with a heat exchanger of the present invention includes a pipe having an inlet and an outlet, a heat exchanger cooling gas passing through the pipe, a catalyst part positioned at the rear end of the heat exchanger, upon considering the flow of gas, and shifting carbon monoxide contained in the gas into other substances; and a temperature sensor measuring the temperature of the gas coming out through the catalyst part.

Abstract: A fuel cell system includes an electricity generator for generating electric energy through a reaction of hydrogen and oxygen, a reformer for generating a reforming gas containing the hydrogen from a fuel through a catalytic reaction using thermal energy and for supplying the reforming gas to the electricity generator, a burner for generating the thermal energy and for supplying the thermal energy to the reformer, a fuel supply unit for supplying the fuel to the reformer, and an air supply unit for supplying air to the electricity generator. The fuel supply unit includes a main fuel tank for storing the fuel, at least one auxiliary fuel tank connected with the main fuel tank and the reformer, and a heating unit disposed in connection with the auxiliary fuel tank to heat the fuel stored in the auxiliary fuel tank.

Abstract: 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.

Abstract: A fuel cell system includes: a reformer adapted to generate hydrogen from a fuel containing hydrogen through a chemical catalytic reaction using thermal energy; at least one electricity generator adapted to generate electric energy through an electrochemical reaction of hydrogen and oxygen; a fuel supply unit adapted to supply the fuel to the reformer; and an air supply unit adapted to supply oxygen to the reformer and the at least one electricity generator. The reformer includes a plurality of plates stacked with each other and forming at least one passage adapted to allow a fuel or a gas to flow therethrough and at least one catalyst layer coated on inner surfaces of the at least one passage. In the reformer, the at least one catalyst layer is formed to have a plurality of grooves extending substantially in a same direction as of the at least one passage.

Abstract: A fuel cell system includes at least one electricity generating element to generate electrical energy through an electrochemical reaction of hydrogen and oxygen, and a reaction source supplier adapted to connect to the electricity generating element and to provide a hydrogen-containing fuel and oxygen-containing air to the electricity generating element. The reaction source supplier includes a first divided region for storing compressed air, a second divided region for storing the fuel, and a storage region having an elastic partition adapted to divide the adjacent first and second divided regions.

Abstract: A fuel cell system includes: a reformer for generating hydrogen from hydrogen-containing fuel; at least one electricity generator for generating electric energy through an electrochemical reaction of hydrogen and oxygen; a fuel supply unit for supplying the fuel to the reformer; and an oxygen supply unit for supplying the oxygen to the reformer and the at least one electricity generator. The reformer includes: a plurality of reaction sections, wherein at least one of the reaction sections has a channel; at least one cover plate; and a bonding joint between two of the reaction sections and between the at least one of the reaction sections and the at least one cover plate to couple the at least one of the reaction sections and the at least one cover plate to each other.

Abstract: A reformer for a fuel cell system, a fabrication method thereof, and a fuel cell system are provided. The reformer includes a plurality of reaction substrates. The reaction substrates each have a reaction substrate body provided with a flow channel with micropores formed on the surface of the flow channel. In addition, a catalyst layer may be formed within the flow channel of the reaction substrate body. Since the reformer for a fuel cell system suggested in the present invention includes reaction substrates having micropores formed in the flow channel, it has a high specific surface area and high catalyst activity. Moreover, since the catalyst layer is formed by a deposition method, the reformer can be of a small proportion, occupying little space in the fuel cell system.

Abstract: A fuel cell system includes a stack which generates electric energy through a reaction of hydrogen and oxygen and discharges moisture generated from the reaction of the hydrogen and oxygen, a reformer which generates a reforming gas containing hydrogen through a reforming reaction using thermal energy and discharges the reforming gas along with a non-reactive fuel component, a carbon monoxide purifier which reduces a concentration of carbon oxide contained in the reforming gas through a preferential oxidation reaction of the carbon monoxide contained in the reforming gas, and a non-reactive fuel dissolution apparatus which is connected to the stack and the reformer to dissolve the non-reactive fuel component of the reforming gas with the moisture from the stack and supply the reforming gas to the carbon monoxide purifier with the non-reactive fuel component substantially removed.