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PRODUCTION OF AMMONIA, METHANOL, AND SYNTHESIS PRODUCTS FROM ONE OR MORE GASIFICATION PRODUCTS

Resumen de: US2025263294A1

Ammonia, methanol, Fischer Tropsch products, and derivatives thereof are made by using hydrogen and oxygen supplied from an electrolyzer that is at least partially powered by renewable power, resulting in green process and systems that produce green products disclosed herein. A process using biomass and renewable energy includes producing an unshifted syngas from biomass and oxygen in a gasification unit, introducing water into an electrolyzer to produce an oxygen product and a hydrogen product, and introducing the oxygen product to the gasification unit. The electrolyzer is powered by renewable energy, and the oxygen product supplies at least a portion of the oxygen to the gasification unit.

SYSTEM FOR CAPTURING AND RECYCLING CARBON DIOXIDE AND PROCUCING HYDROGEN FOR CEMENT MANUFACTURING FACILITY

Resumen de: US2025262590A1

Proposed is a system for capturing and recycling carbon dioxide and producing hydrogen for a cement manufacturing facility. The system includes a preheater provided with multiple stages of cyclones arranged in series in a vertical direction and configured to receive and preheat a cement raw material, a calciner configured to calcine the cement raw material preheated by the preheater, a kiln configured to burn the cement raw material calcined in the calciner, an exhaust line connected to the cyclones and configured to discharge an exhaust gas respectively discharged from the calciner and the kiln to the outside, a reactor configured to capture carbon dioxide in the exhaust gas, to collect a reactant containing the captured carbon dioxide, and to separate a carbon dioxide reactant and a waste solution in the reactant, and a hydrogen generator configured to generate hydrogen gas by receiving the separated carbon dioxide from the reactor.

METHOD OF PREPARING CATALYST FOR AMMONIA DECOMPOSITION

Resumen de: US2025262610A1

According to the embodiments of the present disclosure, an ammonia decomposition catalyst may be prepared by performing heat treatment on alumina, a lanthanum compound and a cerium compound in a reducing gas atmosphere to form a composite oxide on an alumina support, and supporting an active metal including ruthenium on the composite oxide.

SYSTEMS AND METHODS FOR INCREASED SULFURIC ACID CONCENTRATION FROM SULFUR DIOXIDE DEPOLARIZED ELECTROLYSIS AND USES THEREOF

Resumen de: WO2025174971A1

A method can include coupling sulfur dioxide depolarized electrolysis (e.g., electrochemical oxidation of sulfur dioxide to sulfuric acid with electrochemical reduction of water to hydrogen) with the contact process to facilitate formation of high concentration sulfuric acid with concurrent hydrogen production. The sulfuric acid and hydrogen can optionally be used cooperatively for downstream processes (e.g., metal extraction from ore, fertilizer production, hydrocarbon processing, etc.).

SYMMETRIC AMMONIA ELECTROLYSIS SYSTEM BASED ON PLASMONIC PHENOMENON

Resumen de: WO2025174066A1

The present application relates to a plasmonic phenomenon-based symmetric ammonia electrolysis system and an ammonia electrolysis method using same. A hybrid electrode, according to embodiments of the present application and the symmetric ammonia electrolysis system comprising same, may reactivate the surface of a catalyst by utilizing plasmonic phenomena during an electrochemical reaction by using a plasmonic-active electrode (antenna-reactor) composite electrode.

Proton Torch with In-Situ Gas Generator Module

Resumen de: US2025267782A1

A system which facilitates the joining of metal or ceramic objects via heat in an oxygen-depleted atmosphere comprising: a plasma flame generator (torch), regulator, gas purifier, in-situ hydrogen generator, liquid pumps, battery, and electrical power supply. The electrical system is self-contained and is intended to provide equal or greater functionality to that of existing TIG/Plasma arc welders but in a portable form-factor free from reliance on expensive and cumbersome high pressure compressed gas bottles.

SYSTEM NETWORK COMPRISING AT LEAST TWO ELECTROLYSIS SYSTEMS AND A POWER SUPPLY SOURCE

Resumen de: US2025266688A1

A system network includes at least two electrolysis systems, a power supply source, and a central supply line. The central supply line is connected to the secondary side of a transformer. The primary side of the transformer can be fed with energy from the power supply source. The transformer is designed for an operating frequency above the mains frequency of the public power grid, and so a higher-frequency AC grid is formed, to which the electrolysis systems are connected via the central supply line.

STACKABLE ELECTRO-SYNTHETIC OR ELECTRO-ENERGY CELLS

Resumen de: US2025266470A1

Electro-energy or electro-synthetic cells whose architectures allow them to be readily stacked into a cell stack. The cells include polymeric cell frames that incorporate within them, functional materials, such as an inter-electrode separator, electrodes, metallic bipolar plates, and the like. For example, an electro-energy or electro-synthetic cell includes a polymeric cell frame, a first electrode and a second electrode, and an inter-electrode separator positioned between the first electrode and the second electrode. A compressive component is positioned adjacent to the first electrode. The compressive component may be a metallic bipolar plate compressive component and/or a metallic porous transport layer compressive component. In one example the polymeric cell frame is sealed to the metallic bipolar plate by a polymer-to-metal join. In another example at least one polymeric structural locating component locates the metallic bipolar plate against the polymeric cell frame. A cell stack includes a plurality of the cells.

SCALABLE FLOW FIELD FOR AN ELECTROCHEMICAL CELL AND METHOD OF HIGH-SPEED MANUFACTURING THE SAME

Resumen de: AU2024219118A1

The present application relates to a flow field for use in an electrolysis cell comprising one or more sheets of porous material with a corrugated structure. The electrolysis cell comprises a membrane, an anode, a cathode, an anode reinforcement layer, a cathode reinforcement layer, an anode flow field, a cathode flow field, and a bipolar plate assembly comprising an embedded hydrogen seal. The anode flow field comprises one or more porous sheets having at least one straight edge and at least one of the porous sheets has the form of a corrugated pattern with a plurality of peaks and valleys whose axes are generally aligned with one straight edge of the sheet. The anode flow field geometry simultaneously provides resiliency, for efficient mechanical compression of the cell, and well-distributed mechanical support for the anode reinforcement layer adjacent to the anode flow field.

WATER ELECTROLYSIS SYSTEM AND ENERGY SYSTEM

Resumen de: US2025266534A1

A water electrolysis system includes: a water electrolysis device including a membrane electrode assembly formed by sandwiching an electrolyte membrane between an anode and a cathode, the water electrolysis device being configured to generate oxygen gas at the anode by supplying water to the cathode and electrolyzing the water; and a water supply device configured to supply, to the anode, water generated in association with power generation of a fuel cell stack.

PRETREATMENT METHOD AND CELL

Resumen de: WO2025173338A1

This pretreatment method comprises, prior to incorporating a mesh plate (80) into a cell, exposing the mesh plate (80) to ultrasonic waves while the mesh plate (80) is immersed in water. Hydrophilicity of the mesh plate (80) is thereby improved. Stagnation of gas in the mesh plate (80) when an electrochemical reaction is performed in a cell can therefore be suppressed. The efficiency of an electrochemical reaction in a cell can be improved as a result.

WATER SPLITTING DEVICE

Resumen de: WO2025173297A1

A water splitting device for generating hydrogen when irradiated with light, said water splitting device comprising: an electrolytic bath that is filled with an electrolytic solution; and a water splitting cell that is immersed in the electrolytic solution and comprises a laminate in which an anode, a hole transport layer, a Perovskite battery cell, an electron transport layer, and a cathode have been laminated in the given order, and an electrically insulating protective material which covers the outer periphery of the laminate.

METHOD OF ELECTROLYSIS AND SYSTEM FOR GENERATING HYDROGEN

Resumen de: WO2025171442A1

The invention is directed to methods of electrolysis and cells used for the same. The method comprising generating and delivering a humidified gas stream or liquid water to an electrolysis cell comprising an anode side, a cathode side and an ion permeable membrane located between them wherein the anode side has a first catalytic layer and the cathode side has a second electrolytic layer, contacting the humidified gas stream or liquid water with the first catalytic layer and contacting a portion of the ion- permeable membrane on the cathode side with liquid water, applying a voltage such that oxygen gas is generated at the anode and hydrogen gas is generated at the cathode. The invention is also related to an electrolytic cell for performing the methods and a kit that allows for retrofitting existing cells to perform the methods.

PARTIAL LOAD OPERATION OF ELECTROLYZER

Resumen de: AU2024307301A1

A method and arrangement of performing electrolysis by an electrolyzer includes an operational mode and a partial operational mode. During the operational mode operational power from a main power source (202) to a first (808) and second set of stacks (806). In response to detecting a power insufficient for the first and the second set of stacks (806) to perform electrolysis without impurities, the electrolyzer is set to a partial operational mode, wherein the first set of stacks (808) perform electrolysis without impurities and the second set of stacks (806) do not perform electrolysis.

WATER ELECTROLYSIS STACK WITH UNIFORMAL STACKING PRESSURE

Resumen de: KR20250125006A

본 발명은 수전해 스택에 관한 것으로서, 직렬로 적층되는 복수의 스택 유닛과, 상기 복수의 스탯 유닛의 양단에 형성되는 엔드플레이트를 포함하여 구성되고, 상기 스택유닛은, 육각형 형상으로 형성되는 복수의 MEA를 포함하고, 상기 복수의 MEA는 인접하는 MEA와 서로 교대로 어긋나게 배치되고, 상기 엔드플레이트는 상기 복수의 MEA의 배치형상에 상응하는 형상을 가지는 것을 특징으로 하며, 복수의 MEA를 병렬로 배치하여 수전해 스택의 용량을 증가시킬 수 있고, MEA를 육각형으로 형성하여 MEA간의 간격이 일정하게 이격되어 MEA간에 전압, 전류 차가 일정하게 유지되어 효율이 높고, 장수명을 기대할 수 있으며, 육각형으로 형성된 복수의 MEA를 2열로 배치하되 서로 교대로 어긋나게 배치하여, 1.5열의 배치에 가깝게 배치할 수 있으므로, 스택유닛이 차지하는 면적을 작게하여 콤팩트하게 제조할 수 있다.

ELECTROLYSIS STACK WITH RETRACTABLE COLUMN-TYPED CELL MODULE

Resumen de: KR20250125005A

본 발명은 수전해 스택에 관한 것으로서, 복수의 장착구멍이 형성된 애노드측 플레이트와, 상기 애노드측 장착구멍에 상응하는 위치에 형성된 복수의 장착구멍을가지는 캐소드측 플레이트와, 상기 장착구멍에 상응하는 구멍을 가지며 상기 애노드측 플레이트와 상기 캐소드측 플레이트가 연결되는 수전해 스택바디와, 상기 장착구멍에 착탈가능하게 삽입되는 복수의 셀 모듈을 포함하여 구성되고, 상기 셀 모듈은, MEA를 포함하며 기둥형상으로 형성되는 MEA유닛과, 애노드측 유닛과, 캐소드측 유닛을 포함하여 구성되고, MEA유닛을 애노드측 플레이트와 캐소드측 플레이트에 착탈하게 구성함과 동시에 MEA유닛을 기둥형으로 복수개가 착탈가능하게 구성함으로써 스택의 용량을 용이하게 증가시킬 수 있고 스택에 용이하게 착탈가능하게 구성하여 조립이 용이하고 경제적인 수전해 스택을 제공할 수 있다. 또한, 기둥형상으로 병렬로 조립하여 고압의 압력을 사용하더라도 MEA가 손상되지 않을 뿐만 아니라 기둥형상의 MEA지지체가 애노드측 플레이트와 캐소드측 플레이트에 단단하게 체결되어 축하중을 지지할 수 있으므로 고압 압력에도 견딜 수 있는 수전해 스택을 제공할 수 있다.

Hydrogen production system using ammonia and its control method

Resumen de: KR20250125178A

본 발명은 수소 생산 원료인 암모니아를 가열하여 분해 반응을 수행하기 위한, 시스템의 준비(start-up), 시스템 질소 퍼징 및 버너 공기공급, 분해반응기 승온, 암모니아 공급, 분해가스 생성확인 및 시스템 정지(shut-down)를 순차적으로 수행하는 정제된 수소를 생산하는 암모니아를 이용한 수소 생산 시스템 및 그 제어방법에 관한 것이다.

POLYMER ELECTROLYTE MEMBRANE (PEM) ELECTROLYTIC CELLS USING ZEOLITE-TEMPLATED CARBON (ZTC) AS ELECTROCATALYST

Resumen de: US2025263850A1

A polymer electrolyte membrane (PEM) electrolytic cell assembly, and a method for making the assembly, are provided. An exemplary method includes forming a functionalized zeolite templated carbon (ZTC), including forming a CaX zeolite, depositing carbon in the CaX zeolite using a chemical vapor deposition (CVD) process to form a carbon/zeolite composite, treating the carbon/zeolite composite with a solution including hydrofluoric acid to form a ZTC, and treating the ZTC to add catalyst sites, forming the functionalized ZTC. The method further includes incorporating the functionalized ZTC into electrodes, forming a membrane electrode assembly (MEA), and forming the PEM electrolytic cell assembly. The method further includes coupling the PEM electrolytic cell assembly to a heat source.

METHOD OF ELECTROLYSING HYDROGEN BROMIDE AFTER BROMINATION

Resumen de: US2025263849A1

A method of electrolysing hydrogen bromide comprising the steps i) brominating a hydrocarbon such that hydrogen bromide is produced, ii) providing an electrolytic cell comprising an anode, a cathode, and a membrane sandwiched between the anode and the cathode, iii) feeding a first composition comprising hydrogen bromide and water to the anode, iv) feeding a second composition comprising hydrogen bromide and water to the cathode, and v) operating the electrolytic cell to produce hydrogen at the cathode, wherein the hydrogen bromide fed in step iii) and/or the hydrogen bromide fed in step iv) is hydrogen bromide produced in step i).

Apparatus and method for the production of hydrogen

Resumen de: US2025263845A1

The invention relates to a method and an apparatus for the production of hydrogen from a hydrogen-containing substance by splitting the hydrogen-containing substance into its components, wherein the hydrogen-containing substance is stimulated by means of an electromagnetic wave generator. The electromagnetic wave generator emits energy at the resonant frequency of an atomic bond of the hydrogen-containing substance. According to the invention, it is provided that the splitting of the hydrogen-containing substance takes place in an electromagnetic resonator.

Methods and Systems of PFAS Destruction using UV Irradiation at 222 Nanometers

Resumen de: US2025263322A1

Methods, systems and devices for PFAS destruction including adding a sulfite salt to an aqueous solution containing PFAS and then irradiating the aqueous solution with light at 222 nm. The method may include adding a base to the aqueous solution in an amount sufficient to raise a pH of the aqueous solution including PFAS to about 10 or more. It may also include adding a halide salt such as a bromide salt or an iodine salt, and further adding a carbonate. Greater than 90%, or greater than 99%, of the PFAS in the solution may be destroyed by irradiating the aqueous solution in this way.

Catalytic Reactor System and Catalyst for Conversation of Captured CO2 and Renewable H2 Into Low-Carbon Syngas

Resumen de: US2025263302A1

The present invention describes an improved catalytic reactor system with an improved catalyst that transforms CO2 and low carbon H2 into low-carbon syngas with greater than an 80% CO2 conversion efficiency, resulting in the reduction of plant capital and operating costs compared to processes described in the current art. The inside surface of the adiabatic catalytic reactors is lined with an insulating, non-reactive surface which does not react with the syngas and effect catalyst performance. The improved catalyst is robust, has a high CO2 conversion efficiency, and exhibits little or no degradation in performance over long periods of operation. The low-carbon syngas is used to produce low-carbon fuels (e.g., diesel fuel, jet fuel, gasoline, kerosene, others), chemicals, and other products resulting in a significant reduction in greenhouse gas emissions compared to fossil fuel derived products.

METHOD FOR PRODUCING HYDROGEN PRODUCT

Resumen de: EP4603447A1

Method for producing a hydrogen product from ammonia, comprising the steps of:- Providing an ammonia feed stream;- Passing the ammonia feed stream to at least one ammonia pre-cracking reactor for producing a partly converted ammonia feed stream comprising ammonia, hydrogen and nitrogen by a pre-cracking reaction, said pre-cracking reactor comprising a pre-cracking catalyst bed comprising from 20 wt% to 60 wt% of nickel, preferably from 25 wt% to 50 wt% of nickel as a pre-cracking catalytically active material,- Passing the partly converted ammonia feed stream to an ammonia cracking reactor for producing an effluent gas stream comprising hydrogen and nitrogen and optionally also unconverted ammonia by a cracking reaction, said cracking reactor comprising a cracking catalyst bed comprising from 10 wt% to 20 wt% of nickel as a cracking catalytically active material.

SOLID OXIDE FUEL CELL WITH CERAMIC INTERMEDIATE PLATE

Resumen de: KR20200094876A

The present invention relates to a solid oxide fuel cell and a solid oxide electrolysis cell. According to the present invention, the solid oxide fuel cell and the solid oxide electrolysis cell comprises, respectively; a flat tubular unit cell (100) having a plurality of tubular through-holes (111a, 111b) for transferring fuel gas formed in a longitudinal direction; an upper cap (200) coupled to one longitudinal end of the flat tubular unit cell (100) and blocking one end of the flat tubular unit cell (100) from the outside while communicating the plurality of tubular through-holes (111a, 111b) with each other; a cell lower slit (300) coupled to the other longitudinal end of the flat tubular unit cell (100), having an opening part (320) opening the plurality of tubular through-holes (111a, 111b) formed therein, and having an insertion groove (330) formed on a lower surface; and a manifold (400) coupled to the cell lower slit (300), having spaces (420, 430) formed therein to communicate with the plurality of tubular through-holes (111a, 111b), including a reaction gas inlet (450) through which the fuel gas is supplied and a reaction gas outlet (460) through which the fuel gas reacting with air is discharged, and dividing the spaces (420, 430) and the plurality of tubular through-holes (111) into halves to form the flow of fuel gas in a U-shape. Accordingly, since a flat tubular unit cell and a flat planar unit cell are divided into halves, respectively, inflow and outflow of t

BIPOLAR PLATE, ELECTROLYTIC CELL, ELECTROLYZER CELL AND ASSEMBLY METHOD ASSOCIATED THEREWITH

Nº publicación: EP4602195A1 20/08/2025

Solicitante:

JOHN COCKERILL HYDROGEN BELGIUM [BE]
John Cockerill Hydrogen Belgium

Resumen de: AU2023359480A1

The invention relates to a bipolar plate for an electrolytic cell, the plate comprising, on at least one of its main faces: a first zone running circumferentially; a second zone running circumferentially so as to be bordered on the outside by the first zone; a third zone running circumferentially so as to be bordered on the outside by the second zone, the various zones being arranged on the periphery of the associated main face. The invention also relates to the corresponding cell, electrolyzer cell and assembly method.