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793
resultados
Última actualización
27/09/2024 [08:40:00]
Resultados 50 a 75 de 793
Resumen de: EP4431642A1
A membrane and a composite membrane with excellent durability, which enable the manufacture of a water electrolysis device with high water electrolysis performance, a membrane electrode assembly and a water electrolysis device including the membrane are provided. The membrane includes a fluoro compound having an ionic group, has OH<sup>-</sup> ion conductivity, and has a conductivity of more than 2 × 10<sup>-2</sup> S/cm.
Resumen de: US2024200213A1
A solid or liquid fuel to plasma to electricity power source that provides at least one of electrical and thermal power comprising (i) at least one reaction cell for the catalysis of atomic hydrogen to form hydrinos, (ii) a chemical fuel mixture comprising at least two components chosen from: a source of H2O catalyst or H2O catalyst; a source of atomic hydrogen or atomic hydrogen; reactants to form the source of H2O catalyst or H2O catalyst and a source of atomic hydrogen or atomic hydrogen; one or more reactants to initiate the catalysis of atomic hydrogen; and a material to cause the fuel to be highly conductive, (iii) a fuel injection system such as a railgun shot injector, (iv) at least one set of electrodes that confine the fuel and an electrical power source that provides repetitive short bursts of low-voltage, high-current electrical energy to initiate rapid kinetics of the hydrino reaction and an energy gain due to forming hydrinos to form a brilliant-light emitting plasma, (v) a product recovery system such as at least one of an augmented plasma railgun recovery system and a gravity recovery system, (vi) a fuel pelletizer or shot maker comprising a smelter, a source or hydrogen and a source of H2O, a dripper and a water bath to form fuel pellets or shot, and an agitator to feed shot into the injector, and (vii) a power converter capable of converting the high-power light output of the cell into electricity such as a concentrated solar power device comprising a plural
Resumen de: US2024291279A1
The invention is directed to a system and method for for producing energy on transportation routes. A road-based Solar System for production of hydrogen and electricity is provided. This is a novel decentralized system for production, storage, energy collection, conversion is disclosed comprising:a. System and method for converting solar energy to electrical energy;b. Means and methods for storing and/or transporting said electrical energy;c. System and for converting said electrical energy to a gas fuel;d. System and method for storing or transporting said gas fuel;The modules and units for converting solar energy to electrical energy are configured to be positioned above, adjacent on or a transportation network, thereby utilising the pre-existing road system and drastically reducing wasteful land use.
Resumen de: EP4431639A1
A hydrogen generator with self-sterilization function comprises an electrolysis module, a hydrogen water cup, an integrated channel device and an automatic diversion device. The electrolysis module is configured to electrolyze electrolytic water to generate the gas comprising hydrogen. The hydrogen water cup is configured to accommodate liquid and inputting the gas comprising hydrogen into the liquid to generate the liquid comprising hydrogen. The integrated channel device is stacked above the electrolysis module and comprises a gas input channel, a gas output channel, and a gas flow channel. The automatic diversion device is configured for selectively connecting the gas input channel, the hydrogen water cup and the gas output channel or selectively connecting the gas input channel, the gas flow channel and the gas output channel. Wherein, the pH value of the electrolytic water in the electrolysis module is in a range between 12-14.
Resumen de: WO2023086972A1
A process and system for generating hydrogen gas are described, in which water is electrolyzed to generate hydrogen and oxygen, and a feedstock including oxygenate(s) and/or hydrocarbon(s), is non-autothermally catalytically oxidatively reformed with oxygen to generate hydrogen. The hydrogen generation system in a specific implementation includes an electrolyzer arranged to receive water and to generate hydrogen and oxygen therefrom, and a non-autothermal segmented adiabatic reactor containing non-autothermal oxidative reforming catalyst, arranged to receive the feedstock, water, and electrolyzer-generated oxygen, for non-autothermal catalytic oxidative reforming reaction to produce hydrogen. The hydrogen generation process and system are particularly advantageous for using bioethanol to produce green hydrogen.
Resumen de: EP4431638A1
A compression apparatus includes an electrolyte membrane, an anode disposed on a principal surface of the electrolyte membrane, a cathode disposed on another principal surface of the electrolyte membrane, and a voltage applicator that applies a voltage between the anode and the cathode. Upon the voltage applicator applying a voltage between the anode and the cathode, the compression apparatus causes protons extracted from an anode fluid fed to the anode to move to the cathode through the electrolyte membrane and produces compressed hydrogen. The compression apparatus includes a face seal disposed on an outer periphery of the anode and an elastic material interposed between the anode and the face seal.
Resumen de: AU2022439854A1
A flare stack 10 is provided with: a main burner 11 to which ammonia is supplied; a pilot burner 12 to which ammonia is supplied; a first catalyst 13, which is disposed, in the flow of ammonia, upstream of the pilot burner 12 and decomposes the ammonia supplied to the pilot burner 12 to produce reformed fuel containing hydrogen; and a heater 14 for heating the first catalyst 13.
Resumen de: PL444095A1
Układ do przetwarzania, magazynowania, dystrybucji nośników energii oraz produkcji energii elektrycznej składa się ze: źródła energii elektrycznej, urządzenia do wytwarzania, energetycznego zagęszczania i przetwarzania paliw, urządzenia do uzdatniania paliwa gazowego, zespołu zbiorników do magazynowania paliwa oraz urządzenia do wytwarzania energii elektrycznej i ciepła. W układzie źródłem przetwarzanej energii elektrycznej jest energia odnawialna lub energia elektryczna pochodząca z sieci elektroenergetycznej. Urządzenie do wytwarzania, zagęszczania i przetwarzania paliw składa się z elektrolizera (1), sprężarki (2), biogazowni (5) z pompą hybrydową i chłodziarki (8). W elektrolizerze (1), w którym następuje rozpad na gazowe cząsteczki wodoru i tlenu, przeprowadzana jest elektroliza wody. W sprężarce (2), następuje sprężanie gazów, a w konsekwencji zwiększenie ich gęstości energetycznej. W biogazowni (5) z pompą hybrydową prowadzony jest proces fermentacji metanowej oraz wtłaczany jest wodór do zbiornika z materiałem organicznym w celu zwiększenia udziału metanu w produkowanym biogazie. Do biogazowni (5) z pompą hybrydową dostarczane jest ciepło, substrat, natomiast z biogazowni z pompa hybrydową dostarczany jest biogaz do stacji uzdatniania gazu i wytwarzany jest poferment. Chłodziarka (8) pozwala na obniżenie temperatury metanu do temperatury jego skraplania. Urządzeniem do uzdatniania paliwa gazowego jest stacja uzdat
Resumen de: WO2024185460A1
An electrolysis cell according to the present disclosure is provided with: a first separator; a second separator; an anion exchange membrane disposed between the first separator and the second separator; a negative electrode disposed between the first separator and the anion exchange membrane; and a positive electrode disposed between the second separator and the anion exchange membrane. The first separator has a flow path for supplying an electrolyte solution to the negative electrode, and hydrogen and hydroxide ions are produced at the negative electrode by consuming at least some of the electrolyte solution supplied from the flow path. The second separator does not have a flow path for supplying the electrolyte solution to the positive electrode, and oxygen and water are produced at the positive electrode from the hydroxide ions that have come from the negative electrode through the anion exchange membrane, in a state where the electrolyte solution is not supplied to the positive electrode.
Resumen de: US2024165555A1
An environmental control system employs an electrolysis cell utilizing an anion conducting membrane. A power supply is coupled across the anode and cathode of the electrolysis cell to drive reactions to reduce oxygen and/or carbon dioxide in an output gas flow. A cathode enclosure may be coupled with the electrolysis cell and provide an input gas flow and receive the output gas flow. A first electrolysis cell may be utilized to reduce the carbon dioxide concentration in an output flow that is directed to a second electrolysis cell, that reduces the concentration of oxygen. The oxygen and/or carbon dioxide may be vented from the system and used for an auxiliary purpose. An electrolyte solution may be configured in a loop from a reservoir to the anode, to provide a flow of electrolyte solution to the anode. Moisture from the cathode may be collected and provided to the anode.
Resumen de: WO2023152130A1
A method for operating a plurality of electrolyser-stacks is described, wherein each of the plurality of electrolyser-stacks are configured to be provided with water and electrical energy to produce at least a first reaction gas electrochemically at a first electrode type of each of the electrolyser-stacks, and wherein the first reaction gas produced by each of the plurality of electrolyser- stacks are merged into a first gas stream, including: determining a concentration of impurities, which is originated by a second reaction gas electrochemically produced at a second electrode type of each of the electrolyser-stacks, within the first gas stream; generating a trigger signal if the concentration of the impurities of the second reaction gas within the merged first reaction gas exceeds a specific second reaction gas level; identifying at least one electrolyser-stack out of the plurality of electrolyser- stacks, which is low performing in respect to excessively feeding second reaction gas impurities into the first gas stream, by measuring a current density of at least one electrolyser-stack of the plurality of electrolyser-stacks, if the trigger signal is generated.
Resumen de: AU2022380594A1
An apparatus for electrolysing seawater is disclosed. In one embodiment, the apparatus comprises diaphragm-less electrolytic cells comprising an anode and a cathode. The anode comprises a plurality of anode cells in series and the cathode comprises a plurality of cathode cells in series to control the cell voltage and substantially prevent the production of oxygen and chlorine in the cells while hydrogen is being produced. Also disclosed is a membrane type Unipolar electrolytic cell when used to process alkaline seawater to produce twice the hydrogen and oxygen compared to a conventional electrolysis of seawater.
Resumen de: WO2024183612A1
The present disclosure relates to a system and method for treating CO2 produced in cement clinker production. A system for treating CO2 produced in cement clinker production, the system being connected to a cement clinker production unit which produces cement clinker and discharges flue gas comprising CO2, and the system comprising: the cement clinker production unit which produces cement clinker and discharges flue gas comprising CO2; a CO2 capture unit, which captures CO2 in flue gas emitted from the cement clinker production unit; and a solid oxide electrolysis cell unit, which comprises a cathode, an anode and a cathode gas-intake pipe, and the solid oxide electrolysis cell unit being connected to the CO2 capture unit by means of the cathode gas-intake pipe, wherein steam and CO2 captured by the CO2 capture unit are supplied to a stack of the solid oxide electrolysis cell unit via the cathode gas-intake pipe, and the stack of the solid oxide electrolysis cell unit electrolyzes the steam and CO2, to produce first gas at least comprising H2 and CO at the cathode, and produce second gas at least comprising O2 at the anode.
Resumen de: WO2024183613A1
The present invention relates to an integrated system for a cement process, the system comprising a solid oxide electrolysis cell, a first waste heat recovery and vaporization device, and a second waste heat recovery and vaporization device. The first waste heat recovery and vaporization device receives water, and receives a first gas having a first temperature produced in a cement process, produces a first steam flow, and delivers the first steam flow into the second waste heat recovery and vaporization device; the second waste heat recovery and vaporization device receives water, and receives a second gas having a second temperature higher than the first temperature produced in the cement proces s, produces a second steam flow, performs mixing to produce a third steam flow, and delivers the third steam flow into the electrolysis cell. The electrolysis cell produces hydrogen gas and oxygen gas by means of an electrolysis reaction. The hydrogen gas and oxygen gas produced by the electrolysis reaction act as a green fuel and accelerant of the cement process; the system uses high-temperature waste heat of a cement production process to supply heat to a solid oxide electrolysis cell, which increases energy efficiency of the electrolysis cell and can further enhance energy-saving and carbon-reduction effects in the cement production process.
Resumen de: WO2024184395A1
The invention relates to a stack arrangement (12) for electrochemical energy conversion, having a number of cells (14) stacked one on top of another, wherein the cells (14) each have a membrane (16) having an assigned cathode function surface (20) and anode function surface (22), and bipolar plates (24) and/or monopolar plates (48) and/or polar plates (49) are disposed between the cells (14). Within the stack arrangement (12), there is an arrangement either of substacks (74, 76, 78) having a number of cells (14) or of cells (14) in inverse sequence (105) relative to one another or a combination of the two, where an electrochemically active surface (18) of the cells (14) Is subdivided into two or more mutually galvanically separated segments (62, 64, 66, 68). In addition, the invention relates to the use of the stack arrangement (12) for formation of hydrogen in an electrolysis device or a fuel cell for conversion of hydrogen to electrical current and to the use of the stack arrangement (12) in electrochemical systems for conversion of gaseous or liquid media to electrical current and to the use of the stack arrangement (12) in a redox flow system.
Resumen de: WO2024183950A1
The invention relates to an apparatus and a process for synthesising ammonia (7), in which, in a synthesis circuit, an ammonia synthesis gas (1) containing hydrogen and nitrogen is formed by adding anhydrous makeup hydrogen and is supplied to an ammonia reactor (A) in order to convert the ammonia synthesis gas, using catalytic assistance, into a synthesis product (2) containing ammonia, hydrogen and nitrogen, which synthesis product is cooled in one or more cooling steps (K) in order to obtain an ammonia-rich condensate (7) and a gas phase (6) consisting largely of hydrogen and nitrogen, at least part of which is recycled via the synthesis circuit upstream of the ammonia reactor (A) in order to form the ammonia synthesis gas (1), wherein an aqueous hydrogen fraction (electrolytic hydrogen) (11), generated by electrochemically splitting water, is provided in order to obtain the anhydrous makeup hydrogen. The process is characterised in that the electrolytic hydrogen (11), or a hydrogen fraction (12) obtained from the electrolytic hydrogen by reducing free oxygen (O), is added to the synthesis product (2) to be cooled in order to separate off water and to obtain the anhydrous makeup hydrogen.
Resumen de: WO2024184065A1
An offshore hydrogen production platform (100) is described comprising a support structure (101) and plurality of vertically spaced decks (110, 111, 112) arranged to be supported by the support structure (101). The plurality of vertically spaced decks (110,111, 112) comprise an uppermost deck (110), and wherein the uppermost deck (110) comprises a hydrogen production equipment (130). The offshore hydrogen production platform (100) further comprises an enclosure (113) arranged to encapsulate the hydrogen production equipment (130). Also described is a method of producing hydrogen using hydrogen production equipment (130) located on a uppermost deck (110) of an offshore hydrogen platform (100).
Resumen de: MX2024002151A
An electrolyzer electrocatalyst, comprising Cobalt (Co) oxide, Zirconium (Zr) and a noble metal, an electrode for use in an electrolyzer, the electrode comprising a support and a coating comprising said electrocatalyst, an electrochemical system comprising an electrolyser, the electrolyser having an electrode comprising said electrocatalyst, the use of said electrocatalyst for catalysing an electrolysis process, a method for electrolysing water using said electrocatalyst and a method for producing an electrode comprising said electrocatalyst.
Resumen de: AU2022360746A1
A system for an electrochemical process comprises an electrochemical reactor (101), an electric power source (104) for supplying controllable direct voltage to electrodes of the electrochemical reactor, a measurement apparatus (105) for producing measurement data indicative of formation of product gases of the system, and a controller (106) configured to reduce the direct voltage when: an idle command to set the system into an idle state has been received, the measurement data indicates formation of the product gas, and the direct voltage is above a lower limit of a safe voltage area free from degradation of the electrodes. Thus, in the idle state, the direct voltage is reduced only by an amount needed for stopping the product gas formation but not more. Therefore, the degradation such as corrosion of the electrodes can be avoided or at least reduced in the idle state.
Resumen de: JP2024123413A
【課題】水を分解して水素と酸素とを生成し得る新規な酸化バナジウム系光触媒を提供すること。【解決手段】正方晶系結晶構造を有するＳｃＶＯ４を主成分化合物として含む複合酸化物粒子を備える光触媒。【選択図】図２１
Resumen de: JP2024124332A
【課題】安価な鉄族元素を活性成分とするアンモニア分解触媒に関して、低温活性が高く、工業的に利用可能な強度を持ち、経済的に優れた触媒、その製造方法及び当該触媒を用いたアンモニア分解方法を提供する。【解決手段】活性アルミナを主成分とする担体に、鉄族元素の少なくとも一種及びレニウムが担持されているアンモニア分解触媒。活性アルミナを主成分とする担体に鉄族元素の少なくとも一種及びレニウムが担持されているアンモニア分解触媒に、４００℃～６００℃の温度、常圧～１０ＭＰａの圧力のもとでアンモニアを接触させるアンモニア分解方法。【選択図】なし
Resumen de: WO2024186357A1
A first aspect is directed to a method for producing hydrogen by thermochemical splitting of water includes injecting one or more feed streams of water into a reaction chamber. The method further includes using a subterranean heat source to carry out the thermochemical splitting of water to form hydrogen and oxygen in the reaction chamber. The formed products are subsequently removed from the reaction chamber. A second aspect is directed to a reaction system includes a wellbore extending from a surface into a subterranean heat source. The reaction system further includes a reaction chamber configured to be maintained at a reaction temperature using a subterranean heat source. The reaction system further includes one or more inlet conduits. The inlet conduits are configured to provide one or more feed streams to the reaction chamber. The reaction system also includes outlet conduits configured to allow flow of one or more product streams.
Resumen de: WO2024184755A1
A method comprising generating process heat from hydrox. In some versions, hydrox comprises at least 10%, 50%, 60%, 70%, 90%, or 99% by volume or by weight of a material having a stoichiometric ratio of hydrogen gas and oxygen gas. The process may comprise a step of providing an electric hydrox generator (EOG) and some EOG comprise an electrolyzer to produce hydrox. Versions of the electrolyzer have two or more cells, which may exhibit a variable resistance function. The variable resistance function is measured or controlled electrically, mechanically, or electro-mechanically. he EOG can operate using photovoltaic electricity, which sometimes comes from a modules arranged flatly on the ground. In some versions, the power path does not contain a device that functions to adjust the voltage of the electricity in the power path. The disclosed methods can combust hydrox such that the combustion exhaust has less than 1000 NOx ppb.
Resumen de: WO2024184586A1
The invention relates to a method for producing hydrogen. The method comprises providing water and a gaseous substance, the gaseous substance comprises hydrogen atoms and carbon atoms, producing a mixture comprising the water and bubbles comprising the gaseous substance, decreasing diameter of the bubbles comprising the gaseous substance, and producing gaseous hydrogen by decomposing the gaseous substance in the bubbles having the decreased diameter. The invention further relates to apparatus for producing hydrogen gas.
Nº publicación: WO2024185460A1 12/09/2024
Solicitante:
MITSUBISHI HEAVY IND LTD [JP]
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Resumen de: WO2024185460A1
An electrolysis cell according to the present disclosure is provided with: a first separator; a second separator; an anion exchange membrane disposed between the first separator and the second separator; a negative electrode disposed between the first separator and the anion exchange membrane; and a positive electrode disposed between the second separator and the anion exchange membrane. The first separator has a flow path for supplying an electrolyte solution to the negative electrode, and hydrogen and hydroxide ions are produced at the negative electrode by consuming at least some of the electrolyte solution supplied from the flow path. The second separator does not have a flow path for supplying the electrolyte solution to the positive electrode, and oxygen and water are produced at the positive electrode from the hydroxide ions that have come from the negative electrode through the anion exchange membrane, in a state where the electrolyte solution is not supplied to the positive electrode.
BOPI
Sede Electrónica
