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METHOD AND SYSTEM FOR SYNTHESIZING FUEL FROM DILUTE CARBON DIOXIDE SOURCE

Resumen de: US2025388817A1

A method for producing a synthetic fuel from hydrogen and carbon dioxide comprises extracting hydrogen molecules from hydrogen compounds in a hydrogen feedstock to produce a hydrogen-containing fluid stream; extracting carbon dioxide molecules from a dilute gaseous mixture in a carbon dioxide feedstock to produce a carbon dioxide containing fluid stream; and processing the hydrogen and carbon dioxide containing fluid streams to produce a synthetic fuel. At least some thermal energy and/or material used for at least one of the steps of extracting hydrogen molecules, extracting carbon dioxide molecules, and processing the hydrogen and carbon dioxide containing fluid streams is obtained from thermal energy and/or material produced by another one of the steps of extracting hydrogen molecules, extracting carbon dioxide molecules, and processing the hydrogen and carbon dioxide containing fluid streams.

低容量高圧電解デバイス

Resumen de: CN120390829A

The present invention provides a small high-voltage electrolyzer for generating hydrogen and oxygen, the small high-voltage electrolyzer comprising: one or more cells each comprising a plurality of high-voltage electrolysis cells wherein the electrolysis cells of the respective cells are electrically connected in series; and a central electrolyte header functionally connected to each of the electrolytic cells for supplying a liquid electrolyte to the cell; a central hydrogen header connected to each of the electrolytic cells for discharging the generated hydrogen from the cells; a central oxygen header connected to each of the electrolytic cells for discharging the generated oxygen from the cells; the direct-current power supply is used for supplying power to each unit of the electrolytic bath which is connected in series; wherein the cells of the electrolytic cells connected in series are electrically connected in parallel.

エネルギー発生装置、システム、及びそれらの使用方法

Resumen de: WO2024097986A2

Disclosed herein are devices, systems, and methods of using aluminum, activated with a liquid metal catalyst stored inside of one or multiple shipping containers or shipping container-like boxes to produce hydrogen and direct heat on demand.

CONTROL DEVICE FOR HYDROGEN PRODUCTION APPARATUS, HYDROGEN PRODUCTION FACILITY, CONTROL METHOD FOR HYDROGEN PRODUCTION APPARATUS, AND CONTROL PROGRAM FOR HYDROGEN PRODUCTION APPARATUS

Resumen de: US2025389038A1

A control device for a hydrogen production apparatus is a control device for controlling operation of a hydrogen production apparatus and includes: an estimated reaching time calculation unit configured to calculate, on the basis of a change rate of a pressure of a storing unit for storing hydrogen produced by the hydrogen production apparatus, an estimated reaching time for the pressure of the storing unit to reach a specified value; a start-up time acquisition unit configured to acquire a start-up time of the hydrogen production apparatus in accordance with a state of the hydrogen production apparatus; and a determination unit configured to determine a start-up timing for starting up the hydrogen production apparatus on the basis of a comparison between the estimated reaching time and the start-up time.

SYSTEMS AND PROCESS FOR CARBON CAPTURE AND CONVERSION

Resumen de: US2025387748A1

An active CO2 capture unit for capturing CO2 from a dilute source of CO2 input gas can include an inlet through which an input gas is introduced into the unit and a non-aqueous region comprising a non-aqueous CO2 binding organic liquid containing OH− arranged to be in contact with the input gas to chemisorb CO2 from the input gas and convert the chemisorbed CO2 into HCO3− by reacting with OH−. The unit also includes an aqueous region arranged downstream of the non-aqueous region, wherein at an aqueous region interface, the HCO3− interacts with H2O and decomposes to CO2 and CO32. An anion exchange membrane is disposed between the non-aqueous region and the aqueous region to facilitate HCO3− diffusion and migration from the non-aqueous region to the aqueous region. A captured CO2 outlet is disposed downstream of the aqueous region.

WATER ELECTROLYSIS CATALYST MADE FROM IRIDIUM OXIDE POWDER, WATER ELECTROLYSIS ELECTRODE MEMBRANE, AND MEMBRANE WITH CATALYST LAYER

Resumen de: US2025389035A1

The present invention discloses a water electrolysis catalyst suitable for a polymer electrolyte water electrolysis apparatus, and an anode electrode membrane using the catalyst. The water electrolysis catalyst of the present invention is a water electrolysis catalyst containing iridium oxide in a powder form. The iridium oxide powder contains an amorphous iridium oxide powder, and an average particle size of the powder is 0.01 μm or more and 30 μm or less. The water electrolysis catalyst containing the iridium oxide powder of the present invention contains amorphous iridium oxide, shows a specific property in TG-DTA, and exhibits an exothermic peak in a region of 300° C. to 450° C. in the TG-DTA.

PHOTOCATALYTIC CELL, HYDROGEN GAS GENERATION SYSTEM, AND PHOTOCATALYST SHEET

Resumen de: US2025387773A1

A photocatalytic cell of the disclosure is a photocatalytic cell that contains a photocatalyst sheet and an electrolyte. The photocatalyst sheet includes a carrier sheet provided with multiple fibers bonded thereto, and multiple photocatalyst particles supported or fixed on the carrier sheet, the multiple photocatalyst particles include tungsten oxide particles, and a mass of the multiple photocatalyst particles per unit area of the photocatalyst sheet is 20 g/m2 or more.

CATALYST AND PROCESS

Resumen de: WO2024170902A1

An oxygen evolution catalyst material is provided, the catalyst material comprising iridium oxide (IrOx) and a potassium iridate crystalline phase. The potassium iridate crystalline phase provides a reflection in the x-ray diffraction (XRD) pattern of the catalyst material at 20 = 13° and offers high oxygen evolution catalyst activity.

ELECTROLYZER AND METHOD FOR DECOUPLED WATER ELECTROLYSIS

Resumen de: WO2024166004A1

Electrolytic cell (10) for the decoupled electrolysis of water comprising a first electrode (11), for the production of hydrogen (H2) and oxygen (O2), alternatively; a second electrode (12); an alkaline aqueous solution (13) in which the first electrode and the second electrode are immersed; polarity reversal means operatively connected to both the first electrode and the second electrode; the first electrode and the second electrode are polarized in the opposite way to each other in all operating conditions; the second electrode (12) comprises porous conductive carbon.

PART COATED WITH A CARBON-BASED LAYER

Resumen de: CN120858473A

The invention relates to a component comprising a metal substrate and a layer of an amorphous carbon-based material having sp2 hybrid bonds and sp3 hybrid bonds wherein the layer has a first content of sp3 hybrid bonds on the substrate side and a second content of sp3 hybrid bonds on the outer surface side of the layer, the first content being greater than the second content; it is characterized in that the average content of sp3 hybrid bonds within the layer is from 5% to 65%, preferably from 5% to 45%, and in that the content of sp3 hybrid bonds varies continuously within the layer.

ELECTROLYZER

Resumen de: EP4667621A1

The present application relates to an electrolyzer. The electrolyzer comprises a plurality of cells (1) defining a cell stack (1), each cell (1) comprising first and second cavities, channels (2) for input of a liquid electrolyte into each cavity of each cell (1); output channels (31, 32) for output of hydrogen from the first cavities; and outlet channels (31, 32) for oxygen output from the second cavities, wherein each cell (1) defines a first half (A) and a second half (B), wherein the inlet channels (2) are located in the first half (A) and the outlet channels (31, 32) are located in the second half (B). This arrangement of the input and output channels improves the efficiency of the cells both individually and collectively, and reduces corrosion effects normally generated by hot spots.

METHOD FOR MANUFACTURING HYDROGEN EVOLUTION REACTION CATALYST ELECTRODE AND CATALYST ELECTRODE MANUFACTURED THEREFROM

Resumen de: KR20250177508A

본 발명은 (a) 니켈 전구체, 몰리브덴 전구체, 붕산 및 산화 그래핀을 포함하는 혼합 용액을 제조하는 단계; 및 (b) 상기 혼합 용액에 전류 밀도를 인가하여 기판 상에 니켈 및 몰리브덴을 전착시키는 단계;를 포함하는 수소 발생 반응 촉매 전극의 제조방법 및 이로부터 제조된 촉매 전극에 관한 것이다.

HYDROGEN PRODUCTION SYSTEM AND METHOD FOR OPERATING HYDROGEN PRODUCTION SYSTEM

Resumen de: EP4667623A1

This hydrogen production system comprises: a solid oxide electrolysis cell (SOEC) that electrolyzes water vapor; a water vapor generation device that heats supply water to generate water vapor; and a combustor that partially burns hydrogen included in water vapor discharged from a hydrogen electrode of the SOEC. The water vapor generation device is configured such that the supply water is at least partially heated through heat exchange between at least part of the supply water and gas including combustion gas generated in the combustor so as to produce at least part of the water vapor.

ELECTRODE CATALYST LAYER AND MEMBRANE ELECTRODE ASSEMBLY

Resumen de: EP4667624A1

An electrode catalyst layer 2 includes catalyst particles 12, an ionomer 13, and ionomer-adsorptive carbon fibers 14α. The ionomer-adsorptive carbon fibers 14α may have an adsorption amount of the ionomer of 10 mg or more per 1 g of the ionomer-adsorptive carbon fibers, may have a diameter in a range of 50 nm or more and 1 µm or less, and may be vapor-grown carbon fibers (VGCF) subjected to hydrophilic treatment.

HYDROGEN GENERATION VIA HIGH FLUID VELOCITY ELECTROLYSIS AND GAS SEPARATION

Resumen de: CN120882907A

A system and method for generating hydrogen from a liquid source comprising water is disclosed. The system comprises: a high fluid velocity electrolysis cell comprising an inlet and an outlet, the inlet of the high fluid velocity electrolysis cell being fluidly connected to a liquid source; and a gas fractionation system fluidly connected to the outlet of the high fluid velocity electrolysis cell.

ELECTROLYZER WITH VARIABLE NUMBER OF ACTIVE ELECTROLYSIS CELLS

Resumen de: AU2024222987A1

A system, comprising: an electrolyzer having a plurality of electrolysis cells arranged in a cell stack, wherein the electrolysis cells are electrically connected in series and grouped into two or more cell groups, each cell group having an electrical contact at either end; an electrical circuit having one or more switches, each switch coupled between the electrical contacts of a respective one of the cell groups and configured to selectively disconnect the cell group from the cell stack by electrically bypassing the cell group via a lower resistance path, to thereby vary the number of active electrolysis cells in the cell stack; and a controller configured to determine the number of active electrolysis cells based on a variable amount of direct current (DC) electrical energy supplied to the cell stack by an electrical energy source, and to control the one or more switches based on the determination.

METHOD OF PRODUCING GREEN HYDROGEN FROM PYRITE RECOVERED FROM MINE WASTE

Resumen de: WO2024170774A1

The present invention relates to a method of producing green hydrogen and associated products from pyrite separated from mine waste (e.g., disposed tailings or active tailings streams) in an energetically self-sustained process. This is achieved by a method according to the present invention comprising the following steps: (a) separation and enrichment of a mine waste material comprising pyrite to obtain a pyrite concentrate, (b) oxidation of the pyrite concentrate to obtain SO2 gas; (c) separation of the SO2 gas; (d) utilization of SO2 gas from step (c) to generate H2 gas and H2SO4 via a SO2-depolarized electrolyzer (SDE) process or a sulfur-iodine-cycle (S-I-cycle) process.

ELECTROLYSER UNIT COMPRISING A PLURALITY OF INDIVIDUAL ELECTROLYSER STACKS AND METHOD FOR CONNECTING ELECTROLYSER STACKS TO FORM UNITS

Resumen de: AU2024221020A1

The invention comprises a method for connecting a pair of electrolyser stacks with electrolyte, electric current and gas drain piping. Accordingly, each pair of stacks of the electrolyser: - through interconnection endplates are supplied with alkaline electrolyte at elevated pressure by common electrolyte supply pipes and further, - through the interconnection endplate drain off oxygen gas containing electrolyte, and hydrogen gas containing electrolyte, to common gas separation vessels for oxygen and hydrogen respectively, - pull first electrically interconnected current injection electrodes adjacent to interconnection endplates to zero electrical potential through a zero potential conductor, and - supply second current injection electrodes placed adjacent to distal endplates with electric current at potentials equally higher and lower respectively than the zero potential at the first electrodes.

Hydrogen extraction system and method

Resumen de: GB2641899A

A hydrogen extraction system for extracting hydrogen from a liquid electrolyte 102 comprising at least one isotopologue of lithium hydride, the system including an electrolysis cell 100 comprising: a first electrode for generating hydrogen from the liquid electrolyte 102; a second electrode spaced apart from the first electrode; and a solid-state electrolyte 112 comprising a high entropy oxide (HEO) material for physically isolating one of the electrodes from the liquid electrolyte 102 and conducting ions from the liquid electrolyte 102 and the electrode thus physically isolated. The HEO material may comprise five or more different metal cations, comprising magnesium (Mg), cobalt (Co), nickel (Ni), copper (Cu), and zinc (Zn), and may comprise lithium (Li). A method of extracting hydrogen using the extraction system is defined. A tritium breeding system is defined, comprising the hydrogen extraction system and a breeder blanket, the breeding system configured to supply liquid electrolyte comprising at least one tritium-containing isotopologue of lithium hydride to the electrolysis cell from the breeder blanket and to return liquid electrolyte to the breeder blanket from the electrolysis cell following electrolysis of the at least one tritium-containing isotopologue of lithium hydride.

Stackanordnung für eine elektrochemische Anlage, elektrochemische Anlage

Resumen de: DE102024205651A1

Die Erfindung betrifft eine Stackanordnung (1) für eine elektrochemische Anlage, insbesondere eine Elektrolyseanlage oder ein Brennstoffzellensystem, umfassend mindestens einen Stack (2) sowie eine den mindestens einen Stack (2) aufnehmende Einhausung (3). Erfindungsgemäß bildet die Einhausung (3) mindestens zwei Aufnahmeräume (4) aus, die durch mindestens eine Trennwand (5) voneinander getrennt sind, vorzugsweise gasdicht getrennt sind, wobei in einem ersten Aufnahmeraum (4.1) der mindestens eine Stack (2) und in einem weiteren Aufnahmeraum (4.2) mindestens eine Komponente (6) eines Subsystems der elektrochemischen Anlage aufgenommen ist.Die Erfindung betrifft ferner eine elektrochemische Anlage mit einer erfindungsgemäßen Stackanordnung (1).

电解器

Resumen de: AU2024291248A1

The present invention refers to an electrolyzer (1) for the production of hydrogen from an alkaline electrolyte. The electrolyzer (1) comprises a first header (11) and a second header (12) between which a plurality of elementary cells (20) and a plurality of bipolar plates (5, 5', 5'') are stacked. Each bipolar plate (5) separates two adjacent elementary cells. According to the invention, each of said bipolar plates (5, 5',5'') comprises two plate-form components (5A, 5B) coupled together and configured so as to define one or more inner cavities (66) for the circulation of a cooling fluid. Furthermore, each bipolar plate (5, 5', 5'') comprises an inlet section (SI) and an outlet section (SV) respectively for the inlet and outlet of said cooling fluid in said one or more inner cavities (66).

電解槽スタックを取り扱うための方法、並びに電解槽スタック及び生産ユニット

Resumen de: AU2023401179A1

Electrolyser stack and production unit is provided, in which the electrolyser stack (1,2,3,4,5,6) comprise endplates (11) and pull rods (18) extending between the endplates (11). Feet (9,10) are arranged at the endplates (11) whereby each foot (11) comprises a downwardly directed support surface arranged to abut onto a production track (7,8) or handling unit track (12) whereby the production tracks (7,8) are arranged to extend in parallel with the length axis of the electrolyser stack and whereby the electrolyser stack is movable along the production track by sliding the feet (9,10) along upward facing horizontal slide tracks (17) of the production track

ギ酸水溶液を利用した二酸化炭素搬送システム、ギ酸製造システム、ギ酸分解システム及びギ酸分解装置

Resumen de: JP2025185691A

【課題】ＣＯ２発生源から排出されるＣＯ２をコスト及びエネルギーを抑えながら簡易に搬送できる、ギ酸水溶液を利用したＣＯ２搬送システムを提供する。【解決手段】本発明に係る、ギ酸水溶液を利用したＣＯ２搬送システムは、ＣＯ２発生源から発生するＣＯ２を原料としてギ酸を製造するギ酸製造部を少なくとも１つ含む複数のギ酸製造部において製造された、ギ酸を８５ｗｔ％未満の割合で含むギ酸水溶液を、前記ギ酸を分解してＣＯ２及び水素を生成する分解部に搬送する搬送手段を有し、前記搬送手段は、前記複数のギ酸製造部で製造された前記ギ酸水溶液を前記分解部に集める。【選択図】図１

A power converter for a bioelectrochemical system

Resumen de: NZ769901A

A power converter for a bioelectrochemical system comprises first converters (102-104) each comprising a direct current terminal (105) for supplying electric current via electrodes of the bioelectrochemical system, and a second converter (106) for supplying energy to the first converters from an external electric power grid. Each first converter comprises an electric element (107) for receiving energy from the second converter and a circuitry (108) for converting voltage of the electric element into electrolysis voltage suitable for the bioelectrochemical system. The electric element can be a secondary winding of a transformer or a direct voltage energy storage. Each first converter is galvanically isolated from the other first converters at least when the first mentioned first converter supplies energy to the bioelectrochemical system. Thus, each first converter drives its own electrode pair without disturbing the other first converters.

Catalyst for Decomposing Ammonia Method of Preparing the Same and Method for Generating Hydrogen Using the Same

Nº publicación: KR20250176462A 19/12/2025

Solicitante:

한국화학연구원

Resumen de: WO2025258984A1

The present invention relates to a catalyst for an ammonia decomposition reaction, a method for preparing same, and a method for producing hydrogen by using same, and more particularly, to: a catalyst for an ammonia decomposition reaction, wherein at least one selected from ruthenium, nickel, cobalt, and iron is supported as a catalytically active species on an alumina catalyst support including a metal oxide layer containing at least one metal element selected from the group consisting of magnesium (Mg), yttrium (Y), and praseodymium (Pr), and thus the catalytic activity for the ammonia decomposition reaction can be improved even when using a smaller amount of a catalytically active species as compared to conventional catalysts, and the catalyst for an ammonia decomposition reaction is thermally stable and exhibits superior catalytic activity to conventional metal oxide catalysts, even at lower temperatures, and thus can improve ammonia conversion rates; a method for preparing same; and a method for producing hydrogen by using same.