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Resultados 95 resultados LastUpdate Última actualización 30/09/2022 [13:16:00] pdf PDF xls XLS

Publicaciones de solicitudes de patente de los últimos 60 días/Applications published in the last 60 days



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MICROBIAL ELECTROCHEMICAL ELECTRODES

NºPublicación: US2022306501A1 29/09/2022

Solicitante:

ARIEL SCIENT INNOVATIONS LTD [IL]

WO_2021038576_A1

Resumen de: US2022306501A1

The present invention is directed to an anode including bacteria, a polymer, and a conductive material, wherein the bacteria, the polymer and the conductive material are deposited on at least one surface of the anode. Further provided is a microbial electrochemical system comprising the herein disclosed anode, and methods of using the same, such as for treating wastewater, hydrogen production, or generating electricity.

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METHOD FOR PRODUCING HIGHLY PURE HYDROGEN BY COUPLING PYROLYSIS OF HYDROCARBONS WITH ELECTROCHEMICAL HYDROGEN SEPARATION

NºPublicación: US2022306462A1 29/09/2022

Solicitante:

BASF SE [DE]

CN_114867683_PA

Resumen de: US2022306462A1

The present invention comprises a process for producing hydrogen, wherein in a first stage hydrocarbons are decomposed into solid carbon and into a hydrogen-containing gaseous product mixture, the hydrogen-containing gaseous product mixture, which has a composition in respect of the main components CH4, N2, and H2 of 20% to 95% by volume H2 and 80% to 5% by volume CH4 and/or N2, is discharged from the first stage at a temperature of 50 to 300° C., and this is supplied at a temperature differing from this exit temperature by not more than 100° C. to an electrochemical separation process and, in this second stage, the hydrogen-containing product mixture is separated in the electrochemical separation process at a temperature of 50 to 200° C. into hydrogen having a purity of >99.99% and a remaining residual gas mixture.

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ELECTROCHEMICAL HYDROGEN COMPRESSOR

NºPublicación: US2022307142A1 29/09/2022

Solicitante:

HONDA MOTOR CO LTD [JP]

JP_7135147_B1

Resumen de: US2022307142A1

An electrochemical cell of an electrochemical hydrogen compressor is provided with a first flow field member having a hydrogen gas flow field and a second flow field member having a water channel. The first flow field member is located between the anode electrode and the anode separator. The second flow field member is located between the anode electrode and the first flow field member. A first porous member is located between the first flow field member and the second flow field member. A second porous member is located between the second flow field member and the anode electrode.

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ELECTRICALLY CONDUCTIVE NANOFIBERS FOR POLYMER MEMBRANE-BASED ELECTROLYSIS

NºPublicación: US2022307141A1 29/09/2022

Solicitante:

HAHN SCHICKARD GES FUER ANGEWANDTE FORSCHUNG E V [DE]

CN_114127336_PA

Resumen de: US2022307141A1

The invention preferably relates to an electrolytic cell for generating hydrogen and oxygen with a layer system comprising at least one pair of catalytically active layers between which a polymer membrane is arranged, wherein the layer system comprises electrically conductive ceramic or metallic nanofibers. In particular, the layer system comprises a pair of catalytically active layers, as well as transport layers close to the anode and/or close to the cathode, wherein the pair of catalytically active layers comprises catalytically active nanoparticles, and wherein, in order to increase in-plane conductivity or connectivity of the catalytically active nanoparticles, an intermediate layer comprising ceramic or metallic nanofibers is present between one of the catalytically active layers and one of the transport layers, or metallic or ceramic nanofibers are present within one of the catalytically active layers in addition to the catalytically active nanoparticles. The nanofibers can themselves be catalytically active or catalytically inactive.

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MODULAR SYSTEMS FOR HYDROGEN GENERATION AND METHODS OF OPERATING THEREOF

NºPublicación: EP4061984A1 28/09/2022

Solicitante:

OHMIUM INT INC [US]

AU_2020386982_PA

Resumen de: US2021156039A1

A modular system for hydrogen generation includes a plurality of cores and a hub. Each core includes an electrolyzer and a power supply. The power supply is operable to manage electrical power to the electrolyzer of the core and is redundant to the power supply of at least another one of the plurality of cores. The hub includes a water module, a heat exchange module, and a switchgear module. The water module includes a water source in fluid communication with the electrolyzer of each one of the plurality of cores, the heat exchange module includes a heat exchanger in thermal communication with the electrolyzer of each one of the plurality of cores, and the switchgear module includes a switch activatable to electrically isolate the power supply of each one of the plurality of cores.

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ELECTROCHEMICAL DEVICES, MODULES, AND SYSTEMS FOR HYDROGEN GENERATION AND METHODS OF OPERATING THEREOF

NºPublicación: EP4061985A1 28/09/2022

Solicitante:

OHMIUM INT INC [US]

AU_2020387622_PA

Resumen de: US2021156038A1

A system for hydrogen generation includes at least one cabinet defining a first volume, a second volume, and a third volume, where the first volume, the second volume and the third volume are fluidically isolated from each other, a water circuit located in the first volume, an electrochemical module including an electrolyzer electrochemical stack located in the second volume, a hydrogen circuit located in the third volume, at least one first fluid connector fluidly connecting the water circuit and the electrolyzer electrochemical stack, and at least one second fluid connector fluidly connecting the electrolyzer electrochemical stack and the hydrogen circuit.

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FIBROUS SUBSTRATES FOR HYDROGEN GENERATION

NºPublicación: US2022298013A1 22/09/2022

Solicitante:

HONEYWELL INT INC [US]

Resumen de: US2022298013A1

The disclosure describes a system for generating hydrogen gas from a hydrocarbon through pyrolysis with reduced soot formation and increased carbon loading. The system includes a pyrolysis reactor configured to generate the hydrogen gas from the hydrocarbon through pyrolysis. The pyrolysis reactor includes one or more fibrous substrates configured to provide a deposition surface for carbon generated from the pyrolysis of the hydrocarbon. Each fibrous substrate has an effective void fraction between 40% and 95%, and includes a plurality of fibers configured to maintain chemical and structural stability between about 850° C. and about 1300° C. The one or more fibrous substrates may have a relatively high surface area to fiber volume of the plurality of fibers.

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A COMPACT HYDROGEN-OXYGEN GENERATOR

NºPublicación: US2022298654A1 22/09/2022

Solicitante:

UNIV SOUTH CHINA TECH [CN]

WO_2021135505_A1

Resumen de: US2022298654A1

The present invention discloses a compact vehicle-mounted hydrogen-oxygen generator. In the fluid path, the water circulation outlet of the water tank is in communication via one of the two one-way throttle valves with the water pump, which is in communication with the electrolytic tank of the hydrogen-oxygen generator, which is in communication with the water circulation inlet of the water tank through the other one-way throttle valve, and the gas outlet of the water tank is in communication with an engine air-inlet via the steam-water separator and the dry flame arrester in turn. In the circuit, the water pump and the electrolytic tank of the hydrogen-oxygen generator are connected in parallel to the ends of the positive and negative electrodes of the vehicle power supply, respectively; the switch, the fuse and the electrolytic tank of the hydrogen-oxygen generator are connected in series to the vehicle power supply. The present invention realizes high-efficiency electrolysis through a porous electrode rod with high specific surface area, high catalytic activity, high electrical conductivity and high surface energy (being hydrophilic and air-repellent), as well as the compact design of tightly nested stainless steel sleeves; on the premise of meeting the gas production requirements, the present invention reduces the volume and weight of the electrolytic tank; the present invention realizes the single electrolytic chamber assembly of the vehicle-mounted hydrogen-oxygen gener

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STABLE HYDROGEN EVOLUTION ELECTROCATALYST BASED ON 3D METAL NANOSTRUCTURES ON A TI SUBSTRATE

NºPublicación: US2022298657A1 22/09/2022

Solicitante:

FONDAZIONE ST ITALIANO TECNOLOGIA [IT]

WO_2020255005_A1

Resumen de: US2022298657A1

The present invention relates to an electrocatalyst comprising a Ti substrate coated with a 3D Cu nanostructured matrix decorated with a mixture of amorphous TiO2 and nanoparticles of a noble metal, preferably Pt nanoparticles, an electrochemical cell comprising said electrocatalyst and their use for hydrogen production via hydrogen evolution reaction (HER) in basic conditions. The present invention also refers to an in situ process for the preparation of said electrocatalyst and simultaneous production of hydrogen, comprising the steps of: (a) providing an electrochemical cell having a 3-electrode configuration comprising a starting working electrode which comprises a Ti substrate coated with vertically oriented CuO nanoplatelets, the cell further comprising a counter electrode and a reference electrode; (b) adding an aqueous basic electrolyte solution to the cell of step (a), said aqueous basic electrolyte solution comprising a precursor of a noble metal, preferably a Pt precursor; (c) applying a negative potential with respect to the reference electrode to the cell of step b).The present invention also refers to a process for producing hydrogen which utilizes the electrochemical cell comprising the electro-catalyst according to the invention.

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METHODS FOR ENHANCED ELECTROLYTIC LOADING OF HYDROGEN

NºPublicación: US2022298659A1 22/09/2022

Solicitante:

IND HEAT LLC [US]

US_2020399769_A1

Resumen de: US2022298659A1

An electrolytic method of loading hydrogen into a cathode includes placing the cathode and an anode in an electrochemical reaction vessel filled with a solvent, mixing a DC component and an AC component to produce an electrolytic current, and applying an electrolytic current to the cathode. The DC component includes cycling between: a first voltage applied to the cathode for a first period of time, a second voltage applied to the cathode for a second period of time, wherein the second voltage is higher than the first voltage, and wherein the second period of time is shorter than the first period of time. The peak sum of the voltages supplied by the DC component and AC component is higher than the dissociation voltage of the solvent. The AC component is selected based on a local minimum of a Nyquist plot to minimize energy loss while maintaining hydrogen transport.

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SECONDARY BATTERY FOR PRODUCING HYDROGEN BY USING CARBON DIOXIDE, AND COMBINED CYCLE POWER SYSTEM COMPRISING SAME

NºPublicación: WO2022197009A1 22/09/2022

Solicitante:

ULSAN NAT INST SCIENCE & TECH UNIST [KR]
GT CO LTD [KR]

Resumen de: WO2022197009A1

The present invention relates to a secondary battery capable of being charged and discharged, and a combined cycle power system comprising the secondary battery, the secondary battery comprising: a cathode part including a first electrolytic solution, which is an aqueous electrolyte accommodated in a first reaction space, and a cathode partially immersed in the first electrolytic solution; and an anode part including a second electrolytic solution, which is an aqueous electrolyte accommodated in a second reaction space, and an anode partially immersed in the second electrolytic solution, wherein the anode includes an oxygen evolution reaction catalyst and is made of a material that is not metal, and, during discharge, carbon dioxide gas flows into the first electrolytic solution, hydrogen ions and bicarbonate ions are generated by means of the reaction of the water of the first electrolytic solution and the carbon dioxide gas, and the hydrogen ions and the electrons of the cathode are combined to generate hydrogen gas. The secondary battery according to the present invention does not use metal as an anode, and thus does not require anode replacement resulting from metal consumption and can be semi-permanently used.

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PROCESS FOR IMPROVING CARBON CONVERSION EFFICIENCY

NºPublicación: US2022298649A1 22/09/2022

Solicitante:

LANZATECH INC [US]

JP_2021512598_A

Resumen de: US2022298649A1

The invention provides for the integration of a CO-consuming process, such as a gas fermentation process, with a CO2 electrolysis process. The invention is capable of utilizing a CO2-comprising gaseous substrate generated by an industrial process and provides for one or more removal modules to remove at least one constituent from a CO2-comprising gaseous substrate prior to passage of the gaseous substrate to a CO2 electrolysis module. The invention may further comprise one or more pressure modules, one or more CO2 concentration modules, one or more O2 separation modules, and/or an H2 electrolysis module. Carbon conversion efficiency is increased by recycling CO2 produced by a CO-consuming process to the CO2 electrolysis process.

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METHOD FOR OPERATING AN ELECTROLYSIS SYSTEM

NºPublicación: WO2022194436A1 22/09/2022

Solicitante:

SIEMENS ENERGY GLOBAL GMBH & CO KG [DE]

DE_102021202576_PA

Resumen de: WO2022194436A1

The invention relates to a method for operating the electrolysis system (01), wherein deionized water (05) provided by a water treatment (04) is split in an electrolyzer (06) into hydrogen and oxygen. The waste heat produced in the electrolyzer (06) is supplied to a cooling device (07) via a cooling circuit. In order to support cooling, an ion-containing waste water (02) obtained in the water treatment (04) is supplied to the cooling device (07).

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IONIC LIQUID BASED MATERIALS AND CATALYSTS FOR HYDROGEN RELEASE

NºPublicación: US2022298650A1 22/09/2022

Solicitante:

UNIV CARNEGIE MELLON [US]
MASSACHUSETTS INST TECHNOLOGY [US]

WO_2021055475_A1

Resumen de: US2022298650A1

In some aspects, the present disclosure pertains to methods for the electrochemical production of hydrogen in an electrochemical cell comprising an anode, a cathode and a liquid electrolyte comprising an ionic hydrogen carrier, wherein the electrochemical cell is operated under conditions such that hydrogen gas is produced from the ionic hydrogen carrier at the cathode and wherein nitrogen gas is produced from the ionic hydrogen carrier at the anode. Other aspects pertain to devices and systems for carrying out such methods.

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Electrolyte additive

NºPublicación: GB2604855A 21/09/2022

Solicitante:

HYDROSTAR EU [GB]

Resumen de: GB2604855A

A hydrogen producing electrolyte additive is described. It comprises one or more catalytic promoters selected from: propionic acid and/or propionate salt and/or propionic derivatives and/or propionibacterium, or any combination of these. The additive may comprise a mineral supplement food or drink product, a medicinal supplement or a veterinary supplement. The additive can be used to aid recovery after an accident or surgery. It may also be used in a coolant. The additive can be used in a fuel cell or electrolytic system. It an be used in the production of hydrogen and/or oxygen or a mixture of gases.

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PROCESS AND APPARATUS FOR COMPRESSING HYDROGEN GAS IN A CENTRIFUGAL COMPRESSOR

NºPublicación: EP4060089A2 21/09/2022

Solicitante:

AIR PROD & CHEM [US]

US_2022290691_PA

Resumen de: EP4060089A2

A process for producing compressed hydrogen gas including: electrolysing water to produce hydrogen gas, and compressing the hydrogen gas in a multistage compression system including: a centrifugal compression stage (K102) and a recycle system for recycling a portion of the hydrogen gas from a product end to a feed end of the centrifugal compression stage (K102); wherein hydrogen gas feed is fed to the feed end at a pre-determined feed temperature and pressure and mole fraction of water; wherein a portion of the hydrogen gas is removed from the product end, reduced in pressure in the recycle system to the pre-determined feed pressure and is then recycled to form at least part of the hydrogen gas feed to the centrifugal compression stage (K102); and further including cooling hydrogen gas comprising the reduced pressure hydrogen gas such that the water mole fraction in the hydrogen gas feed is at the pre-determined water mole fraction.

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METHOD AND APPARATUS FOR DOSING HYDROGEN IN A CENTRIFUGAL COMPRESSION SYSTEM

NºPublicación: EP4059889A2 21/09/2022

Solicitante:

AIR PROD & CHEM [US]

US_2022290310_PA

Resumen de: EP4059889A2

A method for supplying hydrogen gas for consumption in at least one downstream process (34), the method comprising: electrolysing water to provide hydrogen gas; compressing the hydrogen gas in a multistage compression system (10) to provide compressed hydrogen gas; and feeding at least a portion of the compressed hydrogen gas to the downstream process(es) (34); wherein the multistage compression system (10) comprises at least one centrifugal compression stage (12, 16, 106, 114); wherein the hydrogen gas is dosed with nitrogen gas upstream of the centrifugal compression stage(s) (12, 16, 106, 114); and wherein the nitrogen gas is present in the compressed hydrogen gas when fed to the downstream process(es) (34).

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PROCESS AND PLANT FOR PROVIDING A PRODUCT GAS MIXTURE FROM A STARTING GAS MIXTURE

NºPublicación: EP4060082A1 21/09/2022

Solicitante:

LINDE GMBH [DE]

Resumen de: EP4060082A1

The invention provides a process (200) for providing a product gas mixture (B) from a starting gas mixture (A) containing carbon dioxide and at least one hydrocarbon, wherein a first feed mixture (C) is formed using at least a part of the starting gas mixture (A), wherein the first feed mixture (C) being subjected to at least one membrane separation step (13) to produce a first fraction (D) depleted in carbon dioxide and enriched in the at least one hydrocarbon and a second fraction (E) enriched in carbon dioxide and depleted in the at least one hydrocarbon, and wherein a second feed mixture (F) formed using at least a part of the second fraction (E) is combusted to produce electric energy (G) and waste heat (H). Water (N) is subjected to a conditioning step (30) and thereafter to an electrolysis step (40) to generate hydrogen, and at least a part (Q) of the electric energy (G) is used in the electrolysis step (40). A corresponding plant is also part of the present invention.

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METHOD AND APPARATUS FOR DOSING HYDROGEN IN A CENTRIFUGAL COMPRESSION SYSTEM

NºPublicación: US2022290310A1 15/09/2022

Solicitante:

AIR PROD & CHEM [US]

EP_4059889_PA

Resumen de: US2022290310A1

A method for supplying hydrogen gas for consumption in at least one downstream process, the method comprising: electrolysing water to provide hydrogen gas; compressing the hydrogen gas in a multistage compression system to provide compressed hydrogen gas; and feeding at least a portion of the compressed hydrogen gas to the downstream process(es); wherein the multistage compression system comprises at least one centrifugal compression stage; wherein the hydrogen gas is dosed with nitrogen gas upstream of the centrifugal compression stage(s); and wherein the nitrogen gas is present in the compressed hydrogen gas when fed to the downstream process(es).

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AMMONIA DEHYDROGENATION

NºPublicación: WO2022189664A1 15/09/2022

Solicitante:

COORSTEK MEMBRANE SCIENCES AS [NO]

Resumen de: WO2022189664A1

A process for the production of compressed hydrogen in a membrane reactor, said membrane reactor comprising a first zone separated by a proton conducting membrane from a second zone, said first zone having a gas inlet and a product outlet and said second zone having a product outlet; said process comprising; a. feeding a gas comprising ammonia to said first zone via said gas inlet, and allowing a reaction to take place in said first zone so that hydrogen and nitrogen are formed; b. applying an electric field over said proton conducting membrane; c. allowing hydrogen to dissociate into electrons and protons to selectivity pass through the proton conducting membrane to said second zone where protons and electrons recombine to form hydrogen in the second zone; wherein the membrane reactor comprises a pressure regulator at said product outlet from said second zone so that, in operation, the partial pressure of hydrogen in the second zone is higher than the partial pressure of hydrogen in the first zone.

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PROCESS AND APPARATUS FOR COMPRESSING HYDROGEN GAS IN A CENTRIFUGAL COMPRESSOR

NºPublicación: CA3151494A1 15/09/2022

Solicitante:

AIR PROD & CHEM [US]

US_2022290309_PA

Resumen de: CA3151494A1

A process for producing compressed hydrogen gas, said process comprising electrolysing water to produce hydrogen gas and compressing said hydrogen gas in a multistage compression system to produce compressed hydrogen gas. The multistage compression system comprises at least one centrifugal compression stage, and the hydrogen gas is fed to the centrifugal compression stage at a pre-determined feed temperature and pressure and having a pre-determined relative humidity. The process further comprises adding water and heat to the hydrogen gas upstream of the centrifugal compression stage, as required, to humidify the hydrogen gas to the pre-determined relative humidity.

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METHOD AND APPARATUS FOR DOSING HYDROGEN IN A CENTRIFUGAL COMPRESSION SYSTEM

NºPublicación: CA3151520A1 15/09/2022

Solicitante:

AIR PROD & CHEM [US]

US_2022290310_PA

Resumen de: CA3151520A1

A method for supplying hydrogen gas for consumption in at least one downstream process, the method comprising: electrolysing water to provide hydrogen gas; compressing the hydrogen gas in a multistage compression system to provide compressed hydrogen gas; and feeding at least a portion of the compressed hydrogen gas to the downstream process(es); wherein the multistage compression system comprises at least one centrifugal compression stage; wherein the hydrogen gas is dosed with nitrogen gas upstream of the centrifugal compression stage(s); and wherein the nitrogen gas is present in the compressed hydrogen gas when fed to the downstream process(es).

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PROCESS AND APPARATUS FOR COMPRESSING HYDROGEN GAS IN A CENTRIFUGAL COMPRESSOR

NºPublicación: CA3151498A1 15/09/2022

Solicitante:

AIR PROD & CHEM [US]

US_2022290691_PA

Resumen de: CA3151498A1

A process for producing compressed hydrogen gas including: electrolysing water to produce hydrogen gas, and compressing the hydrogen gas in a multistage compression system including: a centrifugal compression stage and a recycle system for recycling a portion of the hydrogen gas from a product end to a feed end of the centrifugal compression stage; wherein hydrogen gas feed is fed to the feed end at a pre-determined feed temperature and pressure and mole fraction of water; wherein a portion of the hydrogen gas is removed from the product end, reduced in pressure in the recycle system to the pre-determined feed pressure and is then recycled to form at least part of the hydrogen gas feed to the centrifugal compression stage; and further including cooling hydrogen gas comprising the reduced pressure hydrogen gas such that the water mole fraction in the hydrogen gas feed is at the pre-determined water mole fraction.

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METHANE PRODUCTION SYSTEM

NºPublicación: WO2022191061A1 15/09/2022

Solicitante:

NGK INSULATORS LTD [JP]

Resumen de: WO2022191061A1

This methane production system (1) comprises a co-electrolysis device (30), and a reforming device (40) connected to the co-electrolysis device (30). The co-electrolysis device (30) has a co-electrolysis cell (32) including: a hydrogen electrode (2) that generates H2, CO, and O2- from CO2 and H2O; an electrolyte (3) that can convey O2-; and an oxygen electrode (4) that generates O2 from O2- transferred from the hydrogen electrode (2) through the electrolyte (3). The reforming device (40) generates CH4 from CO and H2 generated at the hydrogen electrode (2).

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INFRARED LIGHT RECYCLING THERMOPHOTOVOLTAIC HYDROGEN ELECTRICAL POWER GENERATOR

Nº publicación: WO2022189947A1 15/09/2022

Solicitante:

BRILLIANT LIGHT POWER INC [US]

Resumen de: WO2022189947A1

A power generator is described that provides at least one of electrical and thermal power comprising (i) at least one reaction cell for reactions involving atomic hydrogen products identifiable by unique analytical and spectroscopic signatures, (ii) a molten metal injection system comprising at least one pump such as an electromagnetic pump that provides a molten metal stream to the reaction cell and at least one reservoir that receives the molten metal stream, and (iii) an ignition system comprising an electrical power source that provides low-voltage, high-current electrical energy to the at least one steam of molten metal to ignite a plasma to initiate rapid kinetics of the reaction and an energy gain. In some embodiments, the power generator may comprise: (v) a source of H2 and O2 supplied to the plasma, (vi) a molten metal recovery system, and (vii) a power converter capable of (a) converting the high-power light output from a blackbody radiator of the cell into electricity using concentrator thermophotovoltaic cells with light recycling or (b) converting the energetic plasma into electricity using a magnetohydrodynamic converter.

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