Abstract: 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.

Abstract: In a plate type reformer and a fuel cell system including the plate type reformer, the plate type reformer includes: a plate type combustion reactor including a distributing plate having a distributing chamber with a plurality of distributing holes adapted to supply an oxidizing agent, and a combustion plate having a combustion chamber with an oxidizing catalyst layer adapted to generate heat energy in response to the oxidizing agent supplied through the distributing holes of the distributing plate reacting with fuel; a plate type preheater including a channel adapted to introduce a mixed fuel of fuel and water is introduced, the plate type preheater adapted to preheat the mixed fuel with the heat energy generated in the plate type combustion reactor; and a plate type reforming reactor with a reforming catalyst layer adapted to generate hydrogen gas from the mixed fuel preheated by the plate type preheater, the plate type reforming reactor effecting a reforming reaction using the heat energy of the plate type

Abstract: An anode supported solid oxide fuel cell including a cylinder-type anode, the cylinder-type anode having a hollow part therein; an electrolyte and an air gap sequentially laminated on an outer peripheral surface of the anode; and a plurality of conductors in the hollow part, the conductors being capable of current collecting in the cell.

Abstract: A high speed dome camera includes a stationary unit, a moving unit including an image capturer for capturing an image signal, and an optic-electric slip ring arrangement provided between the moving unit and the stationary unit which includes an electric unit for power transmission, and an optical unit for transmitting the image signal from the moving unit to the stationary unit when the image capturer is driven to rotate in a high rotational speed. The optic-electric slip ring arrangement prevents the reduction of the quality of the high definition transmission, so that the present invention has the advantages of the higher transmitting speed, broader signal band, less signal distortion, and higher reliability, so as to increase the rotational speed.

Abstract: A housing for a solid oxide fuel cell, the housing including a plurality of side walls defining a cavity; a first opening in one of the plurality of side walls, the first opening being configured to allow fluid to enter into the cavity; a second opening in one of the plurality of side walls, the second opening being configured to allow the fluid to exit from the cavity; and a flow path extending unit between the first opening and the second opening to increase a length of a flow path between the first opening and the second opening.

Abstract: A manifold for distributing and supplying a fluid to solid oxide fuel cell (SOFC) cells. The manifold may include at least one opening disposed at one side surface of a housing to allow the fluid to flow into the housing therethrough. A plurality of second openings are disposed at another side surface of the housing to allow the fluid to be discharged out from the housing therethrough. A porous member is disposed to partition an internal space of the housing between the first opening and the plurality of second openings. In the manifold, the porous member is formed so that the first opening ratio per unit area at a first portion positioned adjacent to the first opening varies with increasing distance toward a second portion positioned distant from the first opening.

Abstract: A unit cell of a solid oxide fuel cell (“SOFC”) and a fuel cell stack including the SOFC are disclosed. The SOFC may include a first electrode formed in a hollow cylinder shape, a second electrode formed on an outer surface of the first electrode, an electrolyte layer formed between the first electrode and the second electrode and a cap coupled to an end portion of the first electrode. A seating groove may be formed in the cap such that a conductor may be inserted into the seating groove and be in surface contact with the cap. The cap may include a conductive material and a current collection area of the unit cell may be broad when the fuel cell is included in, a fuel cell stack.

Abstract: A reformer includes a first body, a second body which is disposed in an inner portion of the first body, a heat source unit which is disposed in an inner portion of the second body to generate heat, a reforming reaction unit which includes a reforming catalyst placed in a space between first and second bodies to generate a hydrogen-rich gas from the fuel through a reforming reaction using the reforming catalyst, and a nozzle member which is disposed in the second body to distribute the fuel and the oxygen to the heat source unit.

Abstract: A speed dome camera includes a stationary unit, a moving unit rotatably mounted to the stationary unit, and a wireless signal transmission module. The stationary unit includes a mounting base and a signal processing module supported at the mounting base. The moving unit includes an image capturer and a controller module operatively linked to the image capturer, wherein the image capturer is adapted for obtaining an image signal when the image capturer is rotating. The wireless signal transmission module is operatively linking the stationary unit with the moving unit for wirelessly transmitting the image signal from the image capturer to the signal processing module. Therefore, the high definition image signal is able to be wirelessly transmitted from the image capturer to the signal processing module while the moving unit is rotating at its maximum rotational speed of 400 degrees per second without affecting an image quality during wireless transmission.

Abstract: Method and system for partitioning integrated circuits are disclosed. The method includes receiving a netlist representation of the circuit comprising circuit components, partitioning the circuit to form one or more circuit partitions according to a predefined partitioning method, where each circuit partition includes one or more circuit components. The method further includes, for each circuit partition, identifying substantial correlations between the circuit partition and one or more other circuit partitions to form a spanning tree, where the spanning tree connects the circuit partition to the one or more other circuit partitions via a graph, and merging the circuit partition and the one or more other circuit partitions in the spanning tree to form a new circuit partition.

Abstract: Disclosed is a catalyst for a partial oxidation reforming reaction of fuel in the form of disk having through-hole. In addition, according to the invention, there is provided a fuel reforming apparatus and method using the catalyst. The catalyst for a partial oxidation reforming reaction of fuel according to the invention makes it possible to progress the partial oxidation reforming reaction of fuel smoothly, to improve the efficiency when reforming the fuel and to simplify the fuel reforming reactor. According to the fuel reforming apparatus and method, since the heat of reaction is efficiently controlled and used, a simple on-off operation, reduction of starting time and a stable operational condition are accomplished, which are indispensably required for a fuel reforming system in fuel cells, such as household, portable and car fuel cells.

Abstract: An apparatus for supplying mixed fuel includes a water container storing water; a fuel container storing fuel, including at least gaseous fuel, the fuel container being coupled to the water container by a pressure pipe for transferring internal pressure of the fuel container to the water container; and a mixer coupled to the water container through a water supplying pipe and coupled to the fuel container through a fuel supplying pipe, the mixer outputting mixed fuel through a mixed fuel supplying pipe. A water supplying unit includes a water container storing water and connected to a water supplying pipe, the water container having an outlet; and a pressure applying unit coupled to the water container for applying gas pressure to an inside of the water container to discharge water from the water container through the outlet.

Abstract: An apparatus for supplying mixed fuel includes a water container storing water; a fuel container storing fuel, including at least gaseous fuel, the fuel container being coupled to the water container by a pressure pipe for transferring internal pressure of the fuel container to the water container; and a mixer coupled to the water container through a water supplying pipe and coupled to the fuel container through a fuel supplying pipe, the mixer outputting mixed fuel through a mixed fuel supplying pipe. A water supplying unit includes a water container storing water and connected to a water supplying pipe, the water container having an outlet; and a pressure applying unit coupled to the water container for applying gas pressure to an inside of the water container to discharge water from the water container through the outlet.

Abstract: A fuel cell reformer includes a main body having a first pipe with a second pipe inside the first pipe, a thermal source unit in the second pipe, a reforming reaction unit in a first region between the first pipe and the second pipe to generate a reforming gas containing hydrogen through a reforming reaction of a fuel, and a carbon monoxide reduction unit in a region other than the first region between the first pipe and the second pipe to reduce a concentration of carbon monoxide contained in the reforming gas. A thermal treatment unit in the main body supplies thermal energy to the reforming reaction unit and the carbon monoxide reduction unit at a time of initial driving of the reformer such that the supplied thermal energy corresponds to a unique operational temperature range in the reforming reaction unit, and to a unique operational temperature range in the carbon monoxide reduction unit.

Abstract: A reformer is disclosed for supplying a reformed gas containing hydrogen to a fuel cell. The reformer comprises a heat source; a preheating portion preheated by heat from the heat source; a pipe shaped reforming reaction unit; a carbon monoxide processing unit extending from the reforming reaction unit; and a rugged portion installed on an internal surface of the pipe shaped reforming reaction unit which is heated by the heat source. By using the rugged portion and the extended pipe design, the area heated by the heat source is increased and more heat is recovered, thereby improving thermal efficiency.

Abstract: 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.

Abstract: A fuel reforming device that prevents a flash-back phenomenon includes a reforming reactor and a heater. The reforming reactor reforms a fuel, and the heater provides thermal energy to the reforming reactor by generating the thermal energy by a catalytic oxidation reaction between a catalytic layer and an oxidation reaction material. The heater includes an inflow pipe that receives the oxidation reaction material, an outflow pipe that outputs a flue gas generated by the catalytic oxidation reaction, and a flue gas retrieving pipe that connects the outflow pipe and the inflow pipe to direct the flue gas to the inflow pipe.

Abstract: A fuel cell system includes a fuel cell stack for generating electric energy by an electrochemical reaction of hydrogen and oxygen; a hydride tank for storing a liquid hydride; a liquid catalyst tank for storing a liquid catalyst for promoting a hydrogen gas generation reaction from the liquid hydride; a reaction flow channel for promoting laminar flow of the liquid hydride and the liquid catalyst; and a hydrogen separator for storing the hydrogen gas generated from the reaction flow channel and transferring the hydrogen gas to the fuel cell stack.

Abstract: A fuel cell system includes a fuel cell stack for generating electricity by a electrochemical reaction of hydrogen and oxygen; a controller for controlling the operation of the system; a hydride storage tank for storing hydride powder as a source of hydrogen for the fuel cell stack; a hydrogen separating chamber for collecting hydrogen gas generated from a reaction of the hydride powder and liquid catalyst; a powder transferring device for transferring the hydride powder to the hydrogen separating chamber; and a residue collector for collecting residues that are generated from the reaction and settled at the bottom of the hydrogen separating chamber.

Abstract: A fuel cell system that effectively processes a flue gas generated from a heat source of a fuel reforming apparatus. The fuel reforming apparatus generates a reforming gas containing hydrogen through a reformation reaction of the fuel from a fuel supply, and a fuel cell main body generates electrical energy through an electrochemical reaction of the reforming gas with an oxidizing agent. The fuel reforming apparatus includes a reforming reaction part and a heat source. The reforming reaction part induces a reforming reaction in the fuel, and the heat source provides heat energy to the reforming reaction part. A flue gas postprocessor induces an oxidation-reduction reaction in a flue gas exhausted by a combustion reaction of the heat source to decrease toxic ingredients, such as CO, hydrocarbons, and NOx, in the flue gas.