摘要:
A fuel reformer using radiation comprises: a reforming reactor including a reforming catalyst for shifting fuel into a desired substance; a heater for supplying heat to the reforming catalyst; and a transparent inner wall positioned between the reforming reactor and the heater. With the present invention, the heat energy of the heater is transferred to the reforming catalyst in a radiation form so that the thermal efficiency of the fuel reformer can be improved.
摘要:
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.
摘要:
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.
摘要:
A reforming reaction unit for a reformer, and a method of manufacturing the same are disclosed. One embodiment of the reforming reaction unit includes: a cylindrical structure having a hollow space inside thereof; a cover surrounding the outer surface of the cylindrical structure; and a disc plate having a plurality of holes and directly contacting the inner surface of the cover at a predetermined position of the cylindrical structure in a lengthwise direction. The cylindrical structure includes an upper part above the disc plate. The upper part has a thread formed on its outer surface. The thread is in direct contact with the inner surface of the cover. The cylindrical structure also includes a lower part below the disc plate. The lower part has an outer surface spaced apart from the inner surface of the cover.
摘要:
A reformer of a fuel cell system is disclosed. One embodiment of the reformer includes a reforming reactor generating reformed gas containing hydrogen by reforming hydrogen-containing fuel; and a CO remover removing carbon monoxide contained in the reformed gas generated from the reforming reactor, wherein the CO remover is disposed to be inclined in a predetermined angle to a moving path of the reformed gas exhausted from the reforming reactor and connected to the reforming reactor so as to communicate fluid therebetween, whereby the CO remover is not subject to the heat energy effect by a heat transfer effect due to air convection from the reforming reactor, making it possible to keep the CO remover an optimal state to improve reforming efficiency.
摘要:
A fuel cell system with a purging device and a method for stopping the operation of a fuel cell system comprising: a reforming device comprising a heat source unit to generate combustion heat to supply a reforming unit with heat to catalytically reform fuel to a hydrogen rich reforming gas; a fuel cell stack to generate electric energy by electrochemically reacting the reforming gas with an oxidizer and having an anode supplied with the reforming gas and a cathode supplied with the oxidizer therein; and a purging device to block the reforming gas and the oxidizer from the fuel cell stack and to supply an exhaust gas from the heat source unit into the fuel cell stack.
摘要:
The present invention relates to a reaction vessel for fuel cells, and more particular to a reaction vessel capable of obtaining reaction temperature promptly at the time of initial operation and a reaction device to form a reforming device of the fuel cell using the same. The reaction device of the present invention includes a reaction vessel that includes a monolithic chain. The monolithic chain has a first wall, a second wall, and a layer of pleats interposed between the first wall and the second wall. A plurality of openings are formed on each of the top side and the bottom side of the monolithic chain. One of the first wall and the second wall being made of an insulating material. The layer of pleats is made of a conductive material, and electric power is applied to generate heat at initial reaction operation. Once the reaction is activated, the reaction vessel produces heat through an oxidation reaction.
摘要:
Magnetoresistive elements, and memory devices including the same, include a free layer having a changeable magnetization direction, a pinned layer facing the free layer and having a fixed magnetization direction, and an auxiliary element on a surface of the pinned layer. The auxiliary element has a width smaller than a width of the pinned layer, and a magnetization direction fixed to a direction the same as a direction of the fixed magnetization direction of the pinned layer.
摘要:
Information storage devices and methods of manufacturing the same are provided. A magnetic track of the information storage device includes a magnetic layer in which at least one magnetic domain forming region and at least one magnetic domain wall forming region are alternately disposed in a lengthwise direction. The at least one magnetic domain forming regions has a different magnetic anisotropic energy relative to the at least one magnetic domain wall forming region. An intermediate layer is formed under the magnetic layer. The intermediate layer includes at least one first material region and at least one second material region. Each of the at least one first material regions and the at least one second material regions corresponds to one of the at least one magnetic domain forming regions and the at least one magnetic domain wall forming regions.
摘要:
Oscillators and methods of operating the same, the oscillators include a pinned layer having a fixed magnetization direction, a first free layer over the pinned layer, and a second free layer over the first free layer. The oscillators are configured to generate a signal using precession of a magnetic moment of at least one of the first and second free layers.