Alerta

ELECTROLYSIS SYSTEM AND METHOD FOR OPERATING SAME NOTWITHSTANDING OCCURRENCE OF ADVERSE OPERATIONAL EVENTS

Resumen de: WO2026021830A1

Electrolysis system and method to operate said system notwithstanding occurrence of an adverse operational event are provided. Disclosed embodiments feature bypass circuitry configured to dynamically and quickly adapt the electrolysis system during occurrences of such adverse operational events and effectively inhibit the possibility of having to shut down the entire electrolysis system.

Elektrochemische Anlage

Resumen de: DE102024206988A1

Elektrochemische Anlage mit einem elektrochemischen Stack (1), in dem ein erster Reaktionsraum (2) und ein zweiter Reaktionsraum (3) ausgebildet sind, die durch eine semipermeable Barriere (4) voneinander getrennt sind und zwischen denen eine elektrische Potentialdifferenz angelegt werden kann. Zumindest einer der Reaktionsräume (2; 3) ist während des Betriebs mit Wasser befüllt und mit einer Ablaufleitung (10) verbunden, über die Wasser bzw. die wässrige Lösung abfließen kann. Die Innenseite (110) der Ablaufleitung (10) ist hydrophilisiert und weist einen Benetzungswinkel (α) von 0° bis 90° auf.

METHODS AND SYSTEMS FOR POWER-TO-FUEL APPLICATIONS USING TAIL GAS FROM FUEL SYNTHESIS AND/OR METHANE IN HIGH TEMPERATURE ELECTROLYZER

Resumen de: WO2026024816A1

A continuous method includes passing a steam feed stream and one or more of a recycled tail gas stream and a methane-rich feed stream to an anode of an electrolyzer containing a cathode, the anode and an electrolyte inserted between the cathode and the anode, thereby producing an anode effluent including syngas, and passing the anode effluent including syngas to the reactor unit, thereby producing a chemical product or a fuel-based product.

METHOD AND PLASMA REACTOR FOR THE PRODUCTION OF HYDROGEN GAS

Resumen de: WO2026022486A1

Described herein includes a method for the production of hydrogen gas, the method comprising: (i) providing a DC electrical power supply; (ii) providing a plasma reactor (100) comprising: (a) a plasma chamber (105), (b) a plasma torch (135) comprising a first plasma electrode extending into the plasma chamber, (c) a second plasma electrode extending into the plasma chamber, and (d) first and second spray systems, each extending into the plasma chamber; (iii) establishing a DC electric potential between the first plasma electrode and the second plasma electrode to generate and sustain a reaction zone about a plasma arc therebetween; (iv) providing a spray of a hydrogen-containing feedstock into the reaction zone from the first spray system, whereby a mixture of gases comprising hydrogen gas is formed in the plasma chamber by decomposition of the hydrogen-containing feedstock; and (v) providing a spray of water into the plasma chamber adjacent to the reaction zone from the second spray system, whereby the spray of water cools and dilutes the mixture of gases formed in step (iv).

SYNERGISTIC BLUE AND GREEN AMMONIA PROCESS

Resumen de: WO2026024621A1

An integrated blue-green ammonia process that avoids the need for air separation is disclosed. Water electrolysis, to produce hydrogen, produces oxygen as a co-product. Natural gas (methane) is reacted in a reformer with steam and air to create a mixture composed primarily of hydrogen, steam, nitrogen and carbon dioxide. The oxygen from electrolysis drives this process, either directly inside an autothermal reformer, or indirectly by oxycombustion in the furnace of a steam methane reformer. The steam is removed by cooling the gas, the carbon dioxide is removed, leaving a purified stream comprising hydrogen and nitrogen. This stream can be combined with additional hydrogen from the electrolyzer to yield a 3:1 mixture of hydrogen and nitrogen for the Haber-Bosch process to make ammonia. The disclosed blue-green process is two-fold less expensive than the conventional green ammonia process and emits about half as much greenhouse gas as the conventional blue ammonia process.

HYDROGEN PRODUCTION SYSTEM AND HYDROCARBON PRODUCTION SYSTEM

Resumen de: WO2026023125A1

This hydrogen production system comprises: a hydrogen compound member; a water supply member for supplying water to the hydrogen compound member; and a heat recovery device for recovering adsorption heat that is generated when hydrogen, which is generated by decomposing some of water into hydrogen and oxygen in the presence of the hydrogen compound member, is adsorbed to the hydrogen compound member. This hydrocarbon production system comprises: a hydrogen compound member; a water supply member for supplying water to the hydrogen compound member; a heat recovery device for recovering adsorption heat that is generated when hydrogen, which is generated by decomposing some of water into hydrogen and oxygen in the presence of the hydrogen compound member, is adsorbed to the hydrogen compound member; a heating device for heating the hydrogen compound member to which hydrogen is adsorbed; and a gas supply device for supplying a carbon dioxide-containing gas that contains carbon dioxide to the hydrogen compound member.

PURIFICATION PLANT AND PURIFICATION PLANT CONTROL METHOD

Resumen de: WO2026023164A1

This purification plant comprises: a temperature swing adsorption (TSA) tower in which unreacted ammonia is adsorbed to an adsorbent and removed from a decomposition gas and from which a resulting treated gas is discharged; a gas-purifying device that separately discharges product gas refined from the treated gas and off-gas; an off-gas heating device that heats the off-gas and supplies same to the TSA tower as regeneration gas for regenerating the adsorbent in the TSA tower; a combustion device that supplies, as a heat source for the off-gas heating device, a portion of a combustion gas resulting from combusting the regeneration gas discharged from the TSA tower; an off-gas flow path that circulates the off-gas through the combustion device; and a combustion-gas flow path that circulates the combustion gas through the off-gas heating device.

FRAME FOR AN ELECTROLYSER CELL AND ELECTROLYSER CELL COMPRISING SUCH A FRAME

Resumen de: WO2026022833A1

The present invention relates to a frame for an electrolyser cell and electrolyser cell comprising such a frame. Said frame (10) for an electrolyser cell comprises: a base part (34) with a central opening (42) configured to serve as active chamber of the electrolyser cell, said base part (34) being made of reinforced polymeric material with reinforcing fibres and/or mineral filler in a percentage greater than 10%; a cover part (36) coupled with the base part (34), said cover part (36) being made of polymeric material or rubber without reinforcing fibres or mineral filler, or with a percentage of reinforcing fibres or mineral filler not exceeding 10%; and a plurality of sealing gaskets (38, 40) arranged between the base part (34) and the cover part (36).

AN ELECTROLYZER FOR ELECTROLYZING SALINE WATER

Resumen de: AU2024298608A1

An electrolyzer (1) for electrolyzing saline water comprising: a housing (10) extending along a longitudinal direction (X-X) between a first end portion (11) and an opposed second end portion (12) and having a feed fluid inlet (13) and a product fluid outlet (14); two or more electrolytic cells (20) connected fluidically between the feed fluid inlet (13) and the product fluid outlet (14) and configured to electrolyze saline water entering the housing (10) to produce an electrolyzed fluid comprising hydrogen, hypochlorite and saline water; each electrolytic cell (20) comprising an anode (21) and a cathode (22); the housing (10) comprises: an inner wall (30) extending from the first end portion (11) towards the second end portion (12) along the longitudinal direction (X-X) and dividing at least a portion of the housing (10) in an inlet channel (15) and an outlet channel (16) respectively associated to the feed fluid inlet (13) and to the product fluid outlet (14); a diverting channel (40) at the second end portion (12) configured to divert the electrolyzed fluid from the inlet channel (15) to the outlet channel (16), the two or more electrolytic cells (20) being arranged along the inlet channel (15), the outlet channel (16) and the diverting channel (40)

GAS SUPPLY SYSTEM FOR LNG DUAL-FUEL MAIN ENGINE, AND LNG DUAL-FUEL POWERED SHIP

Resumen de: WO2026020744A1

A gas supply system for an LNG dual-fuel main engine, and an LNG dual-fuel powered ship. The gas supply system comprises an LNG supply unit (10), a dual-fuel main engine (20), an electrolytic hydrogen production unit (30), an exhaust gas recirculation unit (40), and a cold and heat circulation unit (50). The LNG supply unit (10) comprises an LNG storage tank (11), a submersible pump (12), an LNG heat exchanger (13) and a buffer tank (14). The electrolytic hydrogen production unit (30) comprises a pure water unit (31), a pure water heat exchanger (32), an electrolytic cell (33), a hydrogen storage tank (34), and an oxygen storage tank (35). The exhaust gas recirculation unit (40) comprises a flue gas heat exchanger (41). The cold and heat circulation unit (50) comprises an expansion water tank (51) and a circulation pump (52).

ELECTROLYSIS OF CARBON DIOXIDE TO SOLID CARBON

Resumen de: WO2026020196A1

An electrolytic process and an apparatus for producing solid carbon and gaseous oxygen from CO2. In one aspect the process comprises using a cathode that includes a solid, semi-solid or liquid metal containing a catalytically active material for CO2 reduction that includes less than or equal to 10 wt.% of at least one of copper or silver or gold. In another aspect the process comprises using a "spouted" bed electrolysis apparatus comprising a downwardly moving packed bed of cathode particles that include a catalyst, such as copper, for CO2 reduction and an upward flow of electrolyte.

METHOD AND SYSTEM FOR STORING GRID ELECTRICITY AND DISPENSING THE STORED ELECTRICITY ON DEMAND

Resumen de: US20260031377A1

The present invention relates to a method of supplying electricity to an electrical load including steps of providing an alkaline solution, reacting the alkaline solution with silicon so as to produce hydrogen. processing the hydrogen in a fuel cell to generate electricity, and supplying the electricity from an output of the fuel cell to the electrical load via a suitable electrical interfacing module.

SYSTEMS AND METHODS FOR SUPPLYING GASEOUS AMMONIA TO SERIALLY-CONNECTED AMMONIA CRACKING UNITS

Resumen de: US20260028949A1

The present invention relates, in general, to systems and methods for generating hydrogen from ammonia on-board vehicles, where the produced hydrogen is used as a fuel source for an internal combustion engine. The invention provides an expansion valve configured to maintain ammonia in a gaseous state prior to introduction into a cracking system that comprises a heat-exchange cracking unit and electric cracking unit coupled in series which enables reliable hydrogen generation under varying engine operating conditions.

ELECTROLYSIS ENERGY RECOVERY

Resumen de: US20260028934A1

An energy supply system includes an electrolysis system to perform electrolysis on a first source of water, and break the water into hydrogen and oxygen components. The hydrogen and oxygen components are supplied to a power generation system. The power generation system includes a combustor receiving the hydrogen and oxygen components and is operable to combust the hydrogen and oxygen components. The combustor also receives a source of steam. Products of combustion downstream of the combustor pass over a top turbine rotor, driving the top turbine rotor to rotate. A first generator generates electricity from the rotation of the top turbine rotor.

METHOD FOR HEATING A FURNACE

Resumen de: US20260029198A1

A method for heating a furnace including radiant tubes and being able to thermally treat a running steel strip including the steps of: i. supplying at least one of the radiant tubes with H2 and O2 such that the H2 and the O2 get combined into heat and steam, ii. recovering the steam from the at least one of the radiant tubes, iii. electrolysing the steam to produce H2 and O2, and iv. supplying at least one of the radiant tubes with the H2 and O2 produced in step iii, such that they get combined into heat and steam.

ELECTROCHEMICAL APPARATUS

Resumen de: US20260028733A1

An electrochemical apparatus includes a cell stack, a power conversion apparatus, a control unit, and a heating tank. The power conversion apparatus is electrically connected to the cell stack. The control unit controls the power conversion apparatus. The heating tank includes a housing space housing the cell stack and heats the cell stack. The cell stack produces hydrogen by electrolyzing water using supplied power, or generates power through an electrochemical reaction between hydrogen and an oxidizing agent. The power conversion apparatus is disposed outside the heating tank, further toward a lower side than the cell stack is. The power conversion apparatus and the cell stack are electrically connected by a conductor that passes through a wall portion of the heating tank. The power conversion apparatus is disposed such that at least a portion thereof overlaps the heating tank when viewed in a vertical direction.

EFFECTIVE SHUTDOWN PURGE SYSTEM AND METHOD FOR ELECTROLYZER STACKS

Resumen de: US20260028739A1

An electrolysis system includes an electrolyzer stack, a water source, and a cathode-side purging system. The electrolyzer stack has an anode side and a cathode side. The water source is fluidically coupled to an inlet of the anode side of the electrolyzer stack. The cathode-side purging system is fluidically coupled to a first and second outlet of the cathode side.

ニッケルめっき金属材、電解用電極基材、電解用電極、及び電解槽。

Resumen de: WO2026018801A1

Problem To provide a nickel-plated metal material for water electrolysis capable of suppressing damage to a diaphragm while maintaining a suitable gas generation surface area. Solution This nickel-plated metal material comprises: a sheet-shaped metal base material having a plurality of opening parts; and a roughened nickel layer provided on at least one surface of the metal base material. ΔRzjis on a surface on the roughened nickel layer side is 4.0 μm or less, and a developed area ratio Sdr on the surface on the roughened nickel layer side is 15.0% or more. The ΔRzjis represents the difference between the ten-point average roughness Rzjis1 of the end portion of the opening part and the ten-point average roughness Rzjis2 of the center portion between the two adjacent opening parts.

Electrolyzer Systems and Operation Thereof

Resumen de: US20260028730A1

Conventional control schemes for electrolyzers focus on maximizing electrical efficiency, which describes the relationship between the electrical energy consumed and the gas produced by the electrolyzer. However, the cost associated with high electrical efficiency may be unnecessarily expensive. In one embodiment presented herein, a model is used to determine the cost (or profit) associated with a gas produced by the electrolyzer at each of a plurality of operating conditions. The control system can select the operating condition to use based on which operating condition is associated with the lowest cost (or highest profit), even though that operating condition may not be associated with the highest electrical efficiency.

METHODS AND SYSTEMS FOR POWER-TO-FUEL APPLICATIONS USING TAIL GAS FROM FUEL SYNTHESIS AND/OR METHANE IN HIGH TEMPERATURE ELECTROLYZER

Resumen de: US20260028738A1

A continuous method includes passing a steam feed stream and one or more of a recycled tail gas stream and a methane-rich feed stream to an anode of an electrolyzer containing a cathode, the anode and an electrolyte inserted between the cathode and the anode, thereby producing an anode effluent including syngas, and passing the anode effluent including syngas to the reactor unit, thereby producing a chemical product or a fuel-based product.

METHODS AND SYSTEMS FOR POWER-TO-FUEL APPLICATIONS USING TAIL GAS FROM FUEL SYNTHESIS AND/OR METHANE IN HIGH TEMPERATURE ELECTROLYZER

Resumen de: US20260028737A1

A continuous method includes passing a first steam feed stream to a cathode of an electrolyzer including the cathode, an anode and an electrolyte inserted between the cathode and the anode, thereby producing a cathode effluent including hydrogen, passing a second steam feed stream and one or more of a recycled tail gas stream from a reactor unit and a methane-rich feed stream to the anode of the electrolyzer, wherein the one or more of the recycled tail gas stream and the methane-rich feed stream are utilized as fuel for producing the cathode effluent including hydrogen, and passing the cathode effluent including g hydrogen and a carbon dioxide feed stream to the reactor unit, thereby producing a chemical product or a fuel-based product.

METHODS AND SYSTEMS FOR ACCELERATING BRINE POND EVAPORATION USING WASTE HEAT

Resumen de: US20260028728A1

The present application relates generally to methods and systems for accelerating the evaporation of brine pond water. In one embodiment the application pertains to an integrated process for producing hydrogen wherein waste heat evaporates the brine water. The process comprises producing hydrogen and heat from water using an electrolyzer and then heating a heat transfer fluid with the heat from the electrolyzer. The heated heat transfer fluid is pumped to a heat exchanger where it heats a brine solution from the brine pond to increase its evaporation.

Method for Use in Controlling Operation of a Hydrogen Production Plant

Resumen de: US20260028734A1

A method for use in controlling operation of a hydrogen production plant includes determining a maximum available amount of energy of a predetermined energy category in a current time interval; determining a target minimum amount of the energy of the predetermined energy category to be used for hydrogen production in the current time interval; and determining hydrogen setpoints for the current time interval using the maximum available amount and the target minimum amount as constraints.

水電解装置の制御装置、水素製造装置、および水電解装置の制御方法

Resumen de: JP2026013794A

【課題】本発明が解決しようとする課題は、全ての水電解装置を短時間で起動するように制御可能な水電解装置の制御装置、水素製造装置、および水電解装置の制御方法を提供することである。【解決手段】上記課題を達成するために、複数の水電解装置の温度上昇曲線を作成可能な導出部と、温度上昇曲線を比較して、温度上昇曲線の補正をすべきか判定可能な判定部と、この判定に基づき、水電解装置を加熱可能な加熱器の出力および水電解装置の電解電圧の少なくとも一方を調整可能な調整部と、を含むことを特徴とする。【選択図】図１

水電解システム及び水電解システムの運用方法

Nº publicación: JP2026014082A 29/01/2026

Solicitante:

株式会社日立製作所

Resumen de: WO2026018535A1

This water electrolysis system comprises: one or more water electrolysis stacks; a water line for supplying water to each water electrolysis stack; an oxygen line for discharging an oxygen gas that is generated in each water electrolysis stack and surplus water; a hydrogen line for discharging a hydrogen gas that is generated in each water electrolysis stack and surplus water; an insulation pipe for electrically insulating the water electrolysis stacks from the pipes of the water line, the oxygen line, and the hydrogen line; and a DC power supply for supplying DC power so as to drive the water electrolysis stacks. During the operation of this water electrolysis system, water is supplied to a part in which the hydrogen gas and surplus water are mixed in the water electrolysis stacks or the hydrogen line on the upstream side of the insulation pipe of the hydrogen line.