| Patent application number | Description | Published |
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| 20080199744 | Hydrogen generating apparatus, fuel cell power generation system, method of controlling hydrogen generating quantity and recorded medium recorded program performing the same - The present invention discloses a hydrogen generating apparatus that is capable of controlling the amount of hydrogen generation. The hydrogen generating apparatus in accordance with an embodiment of the present invention has an electrolyzer, which is filled with an aqueous electrolyte solution containing hydrogen ions, a first electrode, which is accommodated in the electrolyzer, is submerged in the aqueous electrolyte solution, and generates electrons, a second electrode, which is accommodated in the electrolyzer, is submerged in the aqueous electrolyte solution, and receives the electrons to generate hydrogen, a switch, which is located between the first electrode and the second electrode, a flow rate meter, which measures an amount of hydrogen generation in the second electrode, and a switch controller, which receives a set value, compares the amount of hydrogen generation measured by the flow rate meter with the set value, and controls an on/off status of the switch. The amount of hydrogen generation can be controlled by use of on/off time and/or on/of frequency of the switch. | 08-21-2008 |
| 20080213642 | Hydrogen generating apparatus and fuel cell power generation system controlling amount of hydrogen generation - Hydrogen generating apparatus that is capable of controlling the amount of hydrogen generation. The hydrogen generating apparatus has an electrolyzer, a first electrode, a second electrode, a switch, which is located between the first electrode and the second electrode, a flow rate meter, which measures an amount of hydrogen generation in the second electrode, and a switch controller, which receives a set value, compares the amount of hydrogen generation measured by the flow rate meter with the set value, and controls an on/off status of the switch. The amount of hydrogen generation can be controlled by use of on/off time and/or on/of frequency of the switch. | 09-04-2008 |
| 20080226954 | Hydrogen generating apparatus, fuel cell power generation system, method of controlling hydrogen generating quantity and recorded medium recorded program performing the same - The present invention discloses a hydrogen generating apparatus that is capable of controlling the amount of hydrogen generation. The hydrogen generating apparatus in accordance with an embodiment of the present invention has an electrolyzer, which is filled with an aqueous electrolyte solution containing hydrogen ions, a first electrode, which is accommodated in the electrolyzer, is submerged in the aqueous electrolyte solution, and generates electrons, a second electrode, which is accommodated in the electrolyzer, is submerged in the aqueous electrolyte solution, and receives the electrons to generate hydrogen, a variable resistance, which is located between the first electrode and the second electrode, a flow rate meter, which measures an amount of hydrogen generation in the second electrode, and a variable resistance controller, which receives a set value, compares the amount of hydrogen generation measured by the flow rate meter with the set value, and controls a resistance value of the variable resistance. The amount of hydrogen generation can be controlled by use of variable resistance. | 09-18-2008 |
| 20080241610 | Hydrogen generating apparatus and fuel cell power generation system controlling amount of hydrogen generation - Hydrogen generating apparatus that is capable of controlling the amount of hydrogen generation. The hydrogen generating apparatus in accordance with an embodiment of the present invention has an electrolyzer, a first electrode, a second electrode, a variable resistance, which is located between the first electrode and the second electrode, a flow rate meter, which measures an amount of hydrogen generation in the second electrode, and a variable resistance controller, which receives a set value, compares the amount of hydrogen generation measured by the flow rate meter with the set value, and controls a resistance value of the variable resistance. The amount of hydrogen generation can be controlled by use of variable resistance. | 10-02-2008 |
| 20080261088 | Fuel cell and manufacturing method thereof - A fuel cell and a method of manufacturing the fuel cell are disclosed. A method of manufacturing a fuel cell by electrically connecting a first cell and a second cell that are coupled over both sides of a membrane with a predetermined gap between the first cell and the second cell, where the first cell and the second cell each has an anode on one side and a cathode on the other side, may include perforating a hole in the membrane between the first cell and the second cell, and electrically connecting the anode of the first cell with the cathode of the second cell through the hole using a conductive member. This method does not entail unnecessary increases in volume or complicated flow paths, and the method can reduce electrical resistance while simplifying the peripheral equipment. | 10-23-2008 |
| 20080265875 | Fluid production computation apparatus using electromagnetic induction theory and fluid producing apparatus capable of computing fluid production - A fluid production computation apparatus using the electromagnetic induction theory is disclosed. In accordance with an embodiment of the present invention, the fluid production computation apparatus includes a line through which a current flows according to fluid production; a magnetic sensor, measuring magnetism induced by the current; and a fluid production computation unit, computing the fluid production through magnetism measured by the magnetic sensor. The conventional flow measurement apparatus measures the flow by measuring a current or a voltage induced by magnetism formed by a fluid or by using a fluid measurement sensor. However, with the present invention, an apparatus can be miniaturized and the measurement can be precisely performed by measuring a magnetic field induced by a current flowing according to fluid production. | 10-30-2008 |
| 20080268306 | Hydrogen generating apparatus fuel cell power generation system - A hydrogen generating apparatus and a fuel cell power generation system are disclosed. The hydrogen generating apparatus may include: an electrolyte bath, which contains an electrolyte solution; a first electrode, which is coupled to one side within the electrolyte bath, and which is configured to generate electrons; and a second electrode, which is coupled to the one side within the electrolyte bath with a predetermined distance from the first electrode, and which is configured to generate hydrogen using the electrons and the electrolyte solution. The apparatus can be structured to have electrodes and conductive coating layers secured to the inside of the electrolyte bath, to reduce resistance between the electrodes and an external circuit and facilitate the movement of electrons. | 10-30-2008 |
| 20080268307 | Hydrogen generating apparatus and fuel cell power generation system - A hydrogen generating apparatus and a fuel cell power generation system are disclosed. The hydrogen generating apparatus may include an electrolyte bath, which contains an electrolyte solution; a first electrode, which is stacked on a surface inside the electrolyte bath, and which generates electrons; a moisture absorption layer, which is stacked on the first electrode, and which absorbs moisture from the electrolyte solution; and a second electrode, which is stacked on the moisture absorption layer, and which generates hydrogen using the electrons and the electrolyte solution. With this apparatus, the electrodes can be formed as thin films, whereby the number of electrodes can be increased and -the gaps between electrodes can be decreased, to increase the amount of hydrogen generation. Also, the flow of electrons can be controlled, using a control unit, in accordance to the amount of hydrogen or amount of electrical power required by the fuel cell. | 10-30-2008 |
| 20080268310 | Hydrogen generating apparatus and fuel cell system using the same - The hydrogen generating apparatus of the present invention includes an electrolyzer filled with an aqueous electrolyte solution containing ammonium chloride; a first metal electrode that is disposed in the electrolyzer, is immersed in the aqueous electrolyte solution, and generates electrons; and a second metal electrode that is disposed in the electrolyzer, is immersed in the aqueous electrolyte solution, and generates hydrogen gas by receiving the electrons. The hydrogen generating apparatus according to the present invention can increase hydrogen generation time and an amount of hydrogen generation. | 10-30-2008 |
| 20080268320 | Fuel cell electrode, membrane-electrode assembly, and fuel cell system - An electrode for a fuel cell, and a membrane-electrode assembly and a fuel cell system that include the electrode are disclosed. An electrode for a fuel cell that includes an electrode substrate, a first channel formed in the electrode substrate, a first hydrophilic interface formed on an inner surface on one side of the first channel which guides liquids, and a first hydrophobic interface formed facing the first hydrophilic interface which guides gases, makes it possible for water obtained as a side product at the cathode to be separated from air without additional devices, so that it has a potential for utilization not only in portable electronic devices but also in low-capacity power source devices. | 10-30-2008 |
| 20080318096 | Hydrogen generating apparatus and fuel cell power generation system - A hydrogen generating apparatus can include an absorbent layer that absorbs an aqueous solution, a metal membrane deposited on either side of the absorbent layer such that the absorbent layer is interposed between the metal membranes, and a support layer formed on one side of one of the metal membranes that transports hydrogen generated by a reaction between the aqueous solution and the metal membrane. A batch type reaction may thus be implemented between the aqueous solution and the metal membranes, so that the reaction can be controlled to provide an even rate of hydrogen generation. Possible disturbances to the reaction resulting from by-products can be prevented, and since there is no additional equipment required, the volume and weight of the fuel cell power generation system can be reduced, and the extra power consumption by the additional equipment can be avoided. | 12-25-2008 |
| 20080318104 | Electrolyte solution for hydrogen generating apparatus and hydrogen generating apparatus comprising the same - The invention provides an electrolyte solution for hydrogen generating apparatus including water; at least one ionizing compound; and at least one chelating agent. The electrolyte solution for hydrogen generating apparatus according to the invention can increase hydrogen generation time and an amount of hydrogen generation by controlling hydrogen generation rate and by reducing an amount of metal hydroxide generation. | 12-25-2008 |
| 20090011296 | Hydrogen generating apparatus and fuel cell power generation system - A hydrogen generating apparatus and a fuel cell power generation system. An aspect of the invention provides a hydrogen generating apparatus for generating hydrogen through a dissociation reaction of an aqueous solution using electrons formed by an ionization of a metal. The hydrogen generating apparatus can include a chamber, which contains the aqueous solution, and in one side of which an outlet is formed to discharge the hydrogen; and a membrane, which is formed inside the chamber adjacent to the outlet, and which selectively permits the passage of the hydrogen. With certain embodiments of the invention, the overflowing of reagents can be prevented, for higher efficiency in the fuel cell. Because of the improvement in efficiency of the fuel cell power generation system, the volume of the system can be reduced, allowing for easier application to mobile devices. | 01-08-2009 |
| 20090011297 | Metal composite electrode for a hydrogen generating apparatus - A metal composite electrode for a hydrogen generating apparatus and a hydrogen generating apparatus including the metal composite electrode are disclosed, where the metal composite electrode includes a metal and a metal hydride. The metal composite electrode used in a hydrogen generating apparatus can be utilized to increase the amount and duration of hydrogen generation. | 01-08-2009 |
| 20090029206 | ELECTROLYTE SOLUTION FOR HYDROGEN GENERATING APPARATUS AND HYDROGEN GENERATING APPARATUS COMPRISING THE SAME - One aspect of the invention provides an electrolyte solution for a hydrogen generating apparatus that includes water, at least one metal borohydride, at least one ionic compound, and at least one chelating agent, as well as a hydrogen generating apparatus that includes the electrolyte solution. With an electrolyte solution for a hydrogen generating apparatus based on an embodiment of the invention, it is possible to regulate the rate at which the hydrogen is generated and increase the amount and time of hydrogen generation. | 01-29-2009 |
| 20090061268 | Hydrogen generating apparatus and fuel cell power generation system - A hydrogen generating apparatus according to an embodiment of the invention may include an electrolyte bath, which contains an electrolyte solution, and in an inside surface of which a first groove and a second groove are formed; a first electrode, which is coupled to the first groove with a predetermined distance from either end of the surface of the electrolyte bath, and which is configured to generate electrons; and a second electrode, which is coupled to the second groove with a predetermined distance from either end of the surface of the electrolyte bath, and which is configured to generate hydrogen using the electrons and the electrolyte solution. By using this hydrogen generating apparatus, the volume for holding the fuel can be increased, the gaps between electrodes can be reduced, and the circulation of water can be facilitated to increase the duration of the reactions. | 03-05-2009 |
| 20090075132 | Reactor cover and hydrogen generating apparatus and fuel cell power generation system having the same - A reactor cover, and a hydrogen generating apparatus and a fuel cell power generation system having the reactor cover are disclosed. The reactor cover includes a base panel; a control unit, which is coupled to one side of the base panel, and which regulates a reaction for generating the hydrogen; a circuit pattern buried in the base panel in electrical connection with the control unit; and an electrode pad formed on the other side of the base panel in electrical connection with the circuit pattern. In the reactor cover, the base panel and the control unit may be integrated, to eliminate unnecessary wiring, prevent short-circuiting, and consequently provide a reactor cover that can be fabricated and used more easily. | 03-19-2009 |
| 20090075137 | Filter, hydrogen generator and fuel cell power generation system having the same - A filter, and a hydrogen generator and a fuel cell power generation system having the filter, are disclosed. The filter includes a frame, in which an opening is formed each in two sides; a cover, which is coupled to the opening, and in which at least one hole is formed to allow the gas to pass; and a desiccant, which is filled inside the frame, and which absorbs the moisture. By using such a filter, the backflow of the electrolyte solution, which may occur while generating hydrogen, can be prevented, by passing the hydrogen through a desiccant filled inside a frame, to consequently increase the hydrogen generating efficiency of the hydrogen generator. | 03-19-2009 |
| 20090078567 | Method of connecting electrodes and hydrogen generating apparatus using the same - A method of connecting electrodes in a hydrogen generating apparatus and a hydrogen generating apparatus using this method are disclosed. The method of connecting the electrodes of a hydrogen generating apparatus may include: depositing a first terminal layer onto one side of a first electrode, which is configured to generate electrons; attaching one side of a wire onto the first terminal layer; depositing a second terminal layer onto one side of a second electrode, which is configured to receive the electrons and generate hydrogen; and attaching the other side of the wire onto the second terminal layer. Using this method, the resistance between electrodes can be reduced to increase the flow rate of hydrogen, and the distance between the electrodes can be minimized to reduce the volume of the hydrogen generating apparatus. | 03-26-2009 |
| 20090081499 | ELECTROLYTE SOLUTION FOR HYDROGEN GENERATING APPARATUS AND HYDROGEN GENERATING APPARATUS COMPRISING THE SAME - The invention provides an electrolyte solution for hydrogen generating apparatus including water; at least one ionizing compound; and at least one cation exchange resin, as well as a hydrogen generating apparatus that includes the electrolyte solution. The electrolyte solution for hydrogen generating apparatus according to the invention can increase the time and amount of hydrogen generation by reducing an amount of metal hydroxide generation. | 03-26-2009 |
| 20090087706 | Fuel cell power generation system - A fuel cell power generation system that includes: a hydrogen generating apparatus which generates hydrogen; a fuel electrode, of which a portion is coupled to the hydrogen generating apparatus so as to receive the hydrogen and dissociate the hydrogen into hydrogen ions and electrons, and in which a fuel channel is formed that has one side open; a membrane, stacked over the fuel electrode such that the membrane covers the open side of the fuel channel; an air electrode, which is coupled to the membrane, and which receives the hydrogen ions from the fuel electrode through the membrane; and a pressure sensor, which is formed on the portion of the fuel electrode, and which measures a pressure inside the fuel channel and regulates a quantity of hydrogen supplied to the fuel electrode. With this system, the flow rate of hydrogen can be regulated in a simple manner. | 04-02-2009 |
| 20090092869 | Apparatus for generating hydrogen and fuel cell power generation system having the same - An apparatus for generating hydrogen by dissociating an electrolyte solution includes: an electrolyte bath, in which an outlet is formed, and which contains the electrolyte solution; an anode coupled to the electrolyte bath that generates electrons; a cathode coupled to the electrolyte bath that receives the electrons from the anode to generate hydrogen; a filter, which covers the outlet to filter out foreign substances carried in the hydrogen; a pressure sensor coupled inside the electrolyte bath that senses the pressure inside the electrolyte bath and generates an output signal corresponding to the pressure; and a control unit, electrically connected with the anode and the cathode, which controls the flow of electricity between the anode and the cathode in response to the output signal. Using the apparatus, safety hazards caused by increases in the pressure inside the electrolyte bath can be prevented. | 04-09-2009 |
| 20090130506 | Apparatus for generating hydrogen and fuel cell power generation system having the same - An apparatus for generating hydrogen and a fuel cell power generation system equipped with the apparatus are disclosed. The apparatus can include an electrolyte bath containing the electrolyte solution, an anode positioned inside the electrolyte bath and configured to generate electrons, a cathode positioned inside the electrolyte bath and configured to receive the electrons from the anode to generate hydrogen, and a supplementary device configured to increase an amount of the hydrogen generated. The apparatus can be utilized to increase the amount of hydrogen generation at initial operation and reduce the time required to reach steady state. | 05-21-2009 |
| 20100282599 | Method for manufacturing of hydrogen generating apparatus and hydrogen generating apparatus using the same - A method of manufacturing a hydrogen generating apparatus and a hydrogen generating apparatus manufactured using this method are disclosed. The method includes: inserting an elastic member inside a reactor, which has one side open; inserting an electrode, to which a wire is connected, and an aqueous electrolyte solution inside the elastic member; placing a cover, in which a through-hole is formed, on the open side of the reactor, such that a portion of the wire is positioned outside the reactor; and connecting the portion of the wire positioned outside the reactor to a control unit. Using this method, the inner materials remaining inside the reactor can be removed in a simple manner after the reaction, and replacement costs can be saved as the reactor itself does not have to be replaced. | 11-11-2010 |
| 20110104579 | Fuel cell power generation system, method of controlling hydrogen generating quantity and recorded medium recorded program performing the same - A fuel cell power generation system including: a hydrogen generating apparatus, controlling an amount of hydrogen generation by controlling an on/off status of a switch connected between electrodes; and a fuel cell, being supplied with hydrogen generated by the hydrogen generating apparatus and producing a direct current by converting chemical energy of the hydrogen to electrical energy. The hydrogen generating apparatus used in the system preferably includes an electrolyzer, filled with an aqueous electrolyte solution containing hydrogen ions; a first electrode, accommodated in the electrolyzer, submerged in the aqueous electrolyte solution, and generating electrons; a second electrode, accommodated in the electrolyzer, submerged in the aqueous electrolyte solution, receiving the electrons to generate hydrogen; a switch, located between the first electrode and the second electrode; a meter, measuring an amount of hydrogen generation or an output of a fuel cell; and a switch controller, receiving a set value, comparing the amount of hydrogen generation or the output of the fuel cell measured by the meter with the set value, and controlling an on/off status of the switch. | 05-05-2011 |
