| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 429021000 | By electrical current | 33 |
| 20080213641 | Photoelectrochemical Reaction Cell - The invention relates to a reaction cell for the photoelectrochemical production of hydrogen gas, comprising a housing which is filled with an aqueous electrolyte, a pair of electrodes consisting of a first electrode of a doped conductor which is immersed in the electrolytes and a second electrode which is made of metal and which is immersed in the electrolytes and which is electrically conductively connected to the first electrode, also comprising a light source which illuminates the pair of electrodes. The reaction cell is characterized in that the electrodes are connected to each other in a flat manner, the pair of electrodes divides the reaction cell into two chambers, wherein the chambers are connected to each other in a fluidically conducting manner and the housing is provided with at least one gas outlet. | 09-04-2008 |
| 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 |
| 20080248350 | ELECTROCHEMICAL APPARATUS TO GENERATE HYDROGEN AND SEQUESTER CARBON DIOXIDE - A carbon dioxide negative method of manufacturing renewable hydrogen and trapping carbon dioxide from the air or gas streams is described. Direct current renewable electricity is provided to a water electrolysis apparatus with sufficient voltage to generate hydrogen and hydroxide ions at the cathode, and protons and oxygen at the anode. These products are separated and sequestered and the base is used to trap carbon dioxide from the air or gas streams as bicarbonate or carbonate salts. These carbonate salts, hydrogen, and trapped carbon dioxide in turn can be combined in a variety of chemical and electrochemical processes to create valuable carbon-based materials made from atmospheric carbon dioxide. The net effect of all processes is the generation of renewable hydrogen from water and a reduction of carbon dioxide in the atmosphere or in gas destined to enter the atmosphere. | 10-09-2008 |
| 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 |
| 20080292925 | Pre-reformer - A pre-reformer ( | 11-27-2008 |
| 20080318097 | ELECTROCHEMICAL CELL FOR OXIDATION OF AMMONIA AND ETHANOL - An electrochemical cell for causing a reaction that produces hydrogen, the electrochemical cell comprising: a first electrode comprising: at least one layered electrocatalyst formed of at least one active metal layer deposited on a carbon support, wherein the at least one active metal layer is active to a target species; a second electrode comprising a conductor; a basic electrolyte; ammonia, ethanol, or combinations thereof; and electrical current in communication with the first electrode. | 12-25-2008 |
| 20090042072 | ON-DEMAND HYDROGEN GAS GENERATION DEVICE WITH PRESSURE-REGULATING SWITCH - The present disclosure generally relates to an on-demand hydrogen gas generation device, suitable for use in a fuel cell, which utilizes water electrolysis, and more particularly galvanic cell corrosion, and/or a chemical hydride reaction, to produce hydrogen gas. The present disclosure additionally relates to such a device that comprises a switching mechanism that has an electrical current passing therethrough and that repeatedly and reversibly moves between a first position and a second position when exposed to pressure differential resulting from hydrogen gas generation, in order to (1) alter the rate at which hydrogen gas is generated, such that hydrogen gas is generated on an as-needed basis for a fuel cell connected thereto, and/or (2) ensure a substantially constant flow of hydrogen gas is released therefrom. The present disclosure additionally or alternatively relates to such an on-demand hydrogen gas generation device that comprises a gas management system designed to maximize the release or evolution of hydrogen gas, and in particular dry hydrogen gas, therefrom once it has been formed, thus maximizing hydrogen gas output. The present disclosure is still further directed to a fuel cell comprising such an on-demand hydrogen gas generation device, and in particular a fuel cell designed for small-scale applications. | 02-12-2009 |
| 20090061267 | POWER DEVICE AND OXYGEN GENERATOR - A system for oxygen, hydrogen and carbon mass regeneration and recycling for breathing, and fuel/energy generation purposes, especially for fuel cells and rocket motors, by combination and integration of a photoelectrolytically powered electrochemical and gas handling system with one or more fuel cells. | 03-05-2009 |
| 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 |
| 20090081500 | FUEL CELL UTILIZING AMMONIA, ETHANOL OR COMBINATIONS THEREOF - An fuel cell utilizing ammonia, ethanol, or combinations thereof, comprising: a housing; an anode disposed within the housing, the anode comprising at least one layered electrocatalyst, wherein the at least one layered electrocatalyst comprises at least one active metal layer and at least one second metal layer deposited on a carbon support; a basic electrolyte disposed adjacent the anode; a cathode disposed adjacent the basic electrolyte, wherein the cathode comprises a conductor; and an oxidant in communication with the cathode for connecting with a power conditioner, a load, or combinations thereof, wherein the power conditioner, the load, or combinations thereof is in communication with the anode, which oxidizes the ammonia, ethanol, or combinations thereof, causing the fuel cell to form an electric current. | 03-26-2009 |
| 20090081501 | ON-DEMAND HYDROGEN GAS GENERATION DEVICE - The present disclosure generally relates to an on-demand hydrogen gas generation device, suitable for use in a fuel cell, which utilizes water electrolysis, and more particularly galvanic cell corrosion, and/or a chemical hydride reaction, to produce hydrogen gas. The present disclosure additionally relates to such a device that comprises a switching mechanism that has an electrical current passing therethrough and that repeatedly and reversibly moves between a first position and a second position when exposed to pressure differential resulting from hydrogen gas generation, in order to (1) alter the rate at which hydrogen gas is generated, such that hydrogen gas is generated on an as-needed basis for a fuel cell connected thereto, and/or (2) ensure a substantially constant flow of hydrogen gas is released therefrom. The present disclosure additionally or alternatively relates to such an on-demand hydrogen gas generation device that comprises a gas management system designed to maximize the release or evolution of hydrogen gas, and in particular dry hydrogen gas, therefrom once it has been formed, thus maximizing hydrogen gas output. The present disclosure is still further directed to a fuel cell comprising such an on-demand hydrogen gas generation device, and in particular a fuel cell designed for small-scale applications. | 03-26-2009 |
| 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 |
| 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 |
| 20090123801 | Hydrogen Generating Device as Well as Fuel Cell Power Generating Device, Electric Automobile, Sumbergible Ship and Hydrogen Supply System Using the Same - A hydrogen generating device capable of generating a gas containing hydrogen at a low temperature, as well as a fuel cell power generating device, an electric automobile, a submergible ship and a hydrogen supply system using the hydrogen generating device are provided. | 05-14-2009 |
| 20090148734 | Power system using water as fuel - A power system includes a power supply unit, a hydrogen oxygen generator that has an electrolytic chamber and positive electrode module and negative electrode module mounted in the electrolytic chamber and electrically connected to the power supply unit to electrolyze an electrolytic solution into a gas of hydrogen and oxygen, a storage unit for storing generated gas of hydrogen and oxygen generated, a nozzle connected to the storage unit for outputting the gas of hydrogen and oxygen to a carburetor of a vaporizing system of a motion mechanism for guiding into a combustion chamber by an air intake device for combustion and explosion to move the motion mechanism, and a pressure regulator for regulating the pressure of the gas of hydrogen and oxygen outputted from the storage unit to the nozzle. | 06-11-2009 |
| 20090169933 | Hydrogen Generating Device - A hydrogen generating device can decompose fuel containing an organic compound at low temperature to generate hydrogen-containing gas that scarcely contains nitrogen and carbon monoxide without providing electric energy from outside or by providing only a small amount of electric energy from outside. | 07-02-2009 |
| 20090202876 | OXYGEN PERMEABLE FILM, OXYGEN PERMEABLE SHEET, AND CELL INCLUDING THESE - An oxygen permeable film including an aggregate of water-repellent particles and having an average particle size of the particles of 0.01 to 50 μm has a contact angle with water of not less than 120° and super water repellency, and therefore has an excellent water vapor permeation inhibiting capability. As the particles, fluorocarbon resins such as polytetrafluoroethylene, polyvinyl fluoride and polyvinylidene fluoride are suitable. The specific surface area of the oxygen permeable film is preferably not less than 0.1 m | 08-13-2009 |
| 20090208789 | SYSTEM AND METHOD FOR PURGING WATER FROM A FUEL CELL STACK - A system for delivering an input fuel stream to a fuel cell stack to generate electrical current and to discharge an unused fuel stream is provided. A supply produces a supply fuel stream. An ejector combines a purged fuel stream and the supply fuel stream and controls the flow of the input fuel stream to the fuel cell stack. A purging arrangement receives the unused fuel stream which includes impurities and purges the impurities from the unused fuel stream to generate the purged fuel stream. A bypass valve is capable of delivering the purged fuel stream to the ejector. A blower is capable of delivering the purged fuel stream to the ejector. A controller controls one of the bypass valve and the blower for delivering the purged fuel stream to the ejector based on the amount of electrical current generated by the fuel cell stack. | 08-20-2009 |
| 20090208790 | FLUID RECYCLING APPARATUS AND FUEL CELL SYSTEM HAVING THE FLUID RECYCLING APPARATUS - An improved fluid recycling apparatus and a fuel cell system comprising the same effectively recycle moisture contained in fluid circulating in a fuel cell system and operate independent of orientation. The fluid recycling apparatus includes an electric penetration pump and a gas/liquid separation unit. The electric penetration pump has first and second electrodes and an electric penetration layer interposed between the first and second electrodes. The electric penetration pump directs a liquefied fluid through an electric fluid passage formed in the electric penetration layer by applying a voltage between the first electrode and the second electrode. The gas/liquid separation unit is disposed upstream of the electric fluid passage, contacting the electric penetration pump, and comprises a porous material that can absorb the liquefied fluid. The gas/liquid separation unit comprises at least one fluid inflow hole through which a mixture of a gaseous fluid and a liquefied fluid is introduced, and at least one gas discharge hole communicating with the fluid inflow hole configured for discharging the gaseous fluid. | 08-20-2009 |
| 20090208791 | FUEL CELL DEVICE - A fuel cell device includes a housing containing a fuel processor that generates fuel gas and a fuel cell having electrodes forming an anode and cathode, and an ion exchange electrolyte positioned between the electrodes. The housing can be formed as first and second cylindrically configured outer shell sections that form a battery cell that is configured similar to a commercially available battery cell. A thermal-capillary pump can be operative with the electrodes and an ion exchange electrolyte, and operatively connected to the fuel processor. The electrodes are configured such that heat generated between the electrodes forces water to any cooler edges of the electrodes and is pumped by capillary action back to the fuel processor to supply water for producing hydrogen gas. The electrodes can be formed on a silicon substrate that includes a flow divider with at least one fuel gas input channel that can be controlled by a MEMS valve. | 08-20-2009 |
| 20090208792 | FUEL CELL DEVICE - A fuel cell device includes a housing containing a fuel processor that generates fuel gas and a fuel cell having electrodes forming an anode and cathode, and an ion exchange electrolyte positioned between the electrodes. The housing can be formed as first and second cylindrically configured outer shell sections that form a battery cell that is configured similar to a commercially available battery cell. A thermal-capillary pump can be operative with the electrodes and an ion exchange electrolyte, and operatively connected to the fuel processor. The electrodes are configured such that heat generated between the electrodes forces water to any cooler edges of the electrodes and is pumped by capillary action back to the fuel processor to supply water for producing hydrogen gas. The electrodes can be formed on a silicon substrate that includes a flow divider with at least one fuel gas input channel that can be controlled by a MEMS valve. | 08-20-2009 |
| 20090258266 | FUEL CARTRIDGE AND FUEL CELL GENERATION SYSTEM HAVING THE SAME - A fuel cartridge and a fuel cell power generation system equipped with the fuel cartridge are disclosed. The fuel cartridge can include a hydrogen generation part, which generates hydrogen by reacting with an electrolyte solution, a liquid-gas separation membrane, which surrounds the hydrogen generation part and separates the generated hydrogen from the electrolyte solution and discharges the hydrogen to the outside, and a cap, which opens and closes the liquid-gas separation membrane. The fuel cartridge of the present invention can reduce an effect of electrolyte solution flowing backwards and generate hydrogen more efficiently by minimizing the loss of electrolyte solution. | 10-15-2009 |
| 20090263692 | ELECTRODE CARTRIDGE, HYDROGEN GENERATING APPARATUS AND FUEL CELL POWER GENERATION SYSTEM HAVING THE SAME - An electrode cartridge, a hydrogen generating apparatus and a fuel cell power generation system equipped with the electrode cartridge and hydrogen generating apparatus are disclosed. The electrode cartridge can include an anode configured to generate electrons in an electrolyte solution, a cathode configured to generate hydrogen from the electrolyte solution by receiving the electrons at the anode, a liquid-gas separation membrane, which is disposed to surround the anode and the cathode, configured to separate the hydrogen from the electrolyte solution and discharge the hydrogen to the outside, and a support configured to support the liquid-gas separation membrane for preventing an expansion of the liquid-gas separation membrane. The electrode cartridge of the present invention can prevent an effect of electrolyte solution flowing backwards when generating hydrogen as well as an effect of electrolyte solution leak when moving. | 10-22-2009 |
| 20090263693 | HYDROGEN GENERATING APPARATUS AND FUEL CELL GENERATION SYSTEM - A hydrogen generating apparatus and a fuel cell power generation system having the hydrogen generating apparatus are disclosed. The hydrogen generating apparatus can include an electrolyte bath configured to contain an electrolyte solution, an anode placed inside the electrolyte bath and configured to generate electrons, a cathode placed inside the electrolyte bath and configured to receive the electrons from the anode to generate hydrogen, a condensation plate disposed on a transfer path of the hydrogen such that moisture carried in the hydrogen is condensed and the hydrogen is separated, and a heat exchanger configured to cool down the condensation plate heated by the moisture carried in the hydrogen. The hydrogen generating apparatus of the present invention can increase the efficiency of hydrogen generation by removing the moisture carried in the hydrogen while generating the hydrogen and reusing the moisture circulated through the electrolyte solution. | 10-22-2009 |
| 20090263694 | APPARATUS FOR GENERATING HYDROGEN AND FUEL CELL POWER GENERATION SYSTEM HAVING THE SAME - Disclosed are an apparatus for generating hydrogen and a fuel cell power generation system that have the same. The apparatus in accordance with an embodiment of the present invention include: an electrolytic bath configured to contain electrolyte solution; an anode placed inside the electrolytic bath and configured to generate an electron; a cathode placed inside the electrolytic bath and configured to generate hydrogen by receiving the electron from the anode; a controller electrically connected to the anode and the cathode, and configured to control flow of electricity between the anode and the cathode; and a mechanical switch electrically connected to the controller in parallel and configured to flow electricity between the anode and the cathode in order to start the controller. | 10-22-2009 |
| 20090263695 | APPARATUS FOR GENERATING HYDROGEN AND FUEL CELL POWER GENERATION SYSTEM HAVING THE SAME - Disclosed are an apparatus for generating hydrogen and a fuel cell power generation system that have the same. The apparatus in accordance with an embodiment of the present invention include: an electrolytic bath into which an electrolyte solution is injected; an anode placed inside the electrolytic bath and configured to generate an electron; a cathode placed inside the electrolytic bath and configured to generate hydrogen by receiving the electron from the anode; and a gelling agent accepted inside the electrolytic bath and configured to gel the electrolyte solution such that the fluidity of the electrolyte solution is reduced. | 10-22-2009 |
| 20090297899 | Housing, apparatus for generating hydrogen and fuel cell power generation system having the same - Disclosed are a housing, an apparatus for generating hydrogen and a fuel cell power generation system having the same. The housing in accordance with an embodiment of the present invention includes a case, a hollow space formed in the case, a cartridge being inserted in the hollow space, the cartridge configured to generate hydrogen; and a moisture removing layer, being formed on a wall of the hollow space and including chemical hydride. The housing is capable of removing both water vapor, included in the hydrogen generated by the apparatus for generating hydrogen, and dew, condensed in the housing, and obtaining additional hydrogen by hydrolyzing the water vapor and the condensed dew. | 12-03-2009 |
| 20090325009 | Electric power supply apparatus and portable electronic device having the same - An electric power supply apparatus and a portable electronic device equipped with the electric power supply apparatus are disclosed. The electric power supply apparatus can include: a replaceable cartridge that supplies hydrogen or electrical power; a housing that forms a cavity, in which the cartridge may be inserted; a stack connected with the cartridge and configured, if the cartridge is supplying hydrogen, to receive the hydrogen from the cartridge and generate electrical power; and a circuit unit electrically connected with the cartridge and the stack that determines the type of the cartridge and supplies electrical power to the electronic device. With certain embodiments of the invention, a device can be recharged using replaceable cartridges. Also, various types of cartridges can be used in a single system, allowing a higher level of compatibility. | 12-31-2009 |
| 20100009224 | HYDROGEN GENERATING APPARATUS AND FUEL CELL POWER GENERATION SYSTEM - A hydrogen generating apparatus is disclosed. The hydrogen generating apparatus in accordance with an embodiment of the present invention includes: a first hydrogen generating unit, which has a first electrode generating hydrogen by decomposing an electrolyte aqueous solution; a second hydrogen generating unit, which has a second electrode that is placed adjacent to the first hydrogen generating unit and surface thereof is formed with a super absorbent polymer that is gelled when water is absorbed; a solution separation membrane interposed between the first hydrogen generating unit and the second hydrogen generating unit; a reactor accommodating the first hydrogen generating unit, the second hydrogen generating unit and the solution separation membrane; and a hydrogen vent being formed on one side of the reactor, which is adjacent to the second hydrogen generating unit. | 01-14-2010 |
| 20100035105 | ELECTRICAL STORAGE DEVICE - A component for an electrochemical cell is disclosed which comprises a mass of electrochemically active paste with two or more electrically conductive, electrically isolated electrodes embedded in it. Terminals protrude from the mass and are electrically connected to the electrodes. The mass can be self supporting or can be in the form of a layer which is on one face of a porous substrate. Where paste on the other side of the substrate. The paste on one side of the substrate can be positive and the paste on the other side of the substrate negative, whereby the component constitutes a cell. | 02-11-2010 |
| 20100092818 | GAS-LIQUID SEPARATOR, HYDROGEN GENERATING APPARATUS, AND FUEL CELL GENERATION SYSTEM HAVING THE SAME - Disclosed are a gas-liquid separator, a hydrogen generating apparatus, and a fuel cell generation system, having the same. The gas-liquid separator can include an inflow path, into which a fluid material having a liquid and a gas flows; a centrifugal path, connected to the inflow path to receive the fluid material and formed spirally such that the fluid material is separated into the liquid and the gas by difference in centrifugal forces, an outer side of the centrifugal path having stronger affinity for the liquid than an inner side of the centrifugal path; and an outflow path, connected to the centrifugal path and discharging the liquid and the gas, which have been separated in the centrifugal path. With the present invention, it is possible to efficiently separate gas such as hydrogen and liquid such as a electrolyte solution without complex devices. | 04-15-2010 |
| 20100104904 | System For Generating Electrical Energy Comprising An Electrochemical Reformer And A Fuel Cell - A system for generating electrical energy comprises an electrochemical reformer for converting fuel into a fuel gas. The fuel gas is supplied to a separator, which removes fuel components from the gas flow to a generator, which uses the fuel gas for generating electrical energy. Electrical power needed for the operation of the reformer is supplied by the generator. An external electric load can also be supplied with electrical energy. | 04-29-2010 |
| 20100119897 | HYDROGEN FUEL CELL SYSTEMS - A hydrogen fuel cell system. A gas/water distributor connects to a hydrogen fuel cell module. A hydrogen input pipe connects to the gas/water distributor, inputting hydrogen thereinto. A reservoir receives water. A water input pipe connects the gas/water distributor to the reservoir. A pump is connected to the water input pipe, transporting the water from the reservoir to the gas/water distributor. A gas/water confluent device connects to the hydrogen fuel cell module. The hydrogen fuel cell module is disposed between the gas/water distributor and the gas/water confluent device. An output pipe connects the gas/water confluent device to the reservoir. | 05-13-2010 |
