Alerta

PROCESSES FOR PREPARING HYDROXIDES AND OXIDES OF VARIOUS METALS AND DERIVATIVES THEREOF

Resumen de: AU2026210821A1

There is provided a process for preparing a metal hydroxide comprising (i) at least one metal chosen from nickel and cobalt and optionally (ii) at least one metal chosen from manganese, lithium and aluminum, said process comprising: reacting a metal sulfate comprising (i) at least one metal chosen from nickel and cobalt and optionally (iii) at least one metal chosen from manganese and aluminum with sodium hydroxide and optionally a chelating agent in order to obtain a solid comprising said metal hydroxide and a liquid comprising sodium sulfate; separating said liquid and said solid from one another to obtain said metal hydroxide; submitting said liquid comprising sodium sulfate to an electromembrane process for converting said sodium sulfate into sodium hydroxide; and reusing said sodium hydroxide obtained by said electromembrane process for reacting with said metal sulfate. ul u l

A PROCESS AND A PLANT FOR THE PRODUCTION OF METHANOL

Resumen de: WO2026171707A1

A process for the production of e-methanol, including the steps of: producing a stream of hydrogen (311) from water electrolysis (302); converting said stream of hydrogen (311) and a CO2 containing stream (313) in a methanol converter of a methanol synthesis loop (300) producing a stream of crude methanol (314) and optionally a stream of purge gas (50); purifying said stream of crude methanol in a methanol distillation section (301) producing a stream of light ends (33) and a stream of fusel oil (80); the process includes the step of producing a POX effluent (106) by performing a partial oxidation (POX) process to one or more of the following POX feed streams: said stream of light ends (33); said stream of fusel oil (80); said stream of purge gas (50); the invention further discloses a plant for production of e-methanol, a method for controlling a methanol plant and a method for revamping a methanol plant.

METHOD AND SYSTEM

Resumen de: WO2026173101A1

The present invention relates to a method comprising: a step (A) for electrolyzing an alkali metal hydroxide aqueous solution which contains halide ions and which has a concentration of not less than 1 mol/L to produce hydrogen gas with a cathode and produce halogen acid ions with an anode; a step (B) for pyrolyzing at least some of a compound selected from the group consisting halogen acid ions produced in step (A) and a halogen acid salt produced from at least some of the halogen acid ions; and a step (C) for collecting, as an oxidizing agent, at least some of the halogen acid ions that were not pyrolyzed in the step (B).

WATER ELECTROLYSIS SYSTEM, METHOD FOR TAKING OUT ELECTROLYTIC CELL, AND ELECTROLYTIC CELL UNIT

Resumen de: WO2026173012A1

Provided is a water electrolysis system enabling mounting of a plurality of electrolytic cells while suppressing deterioration in maintainability.　The present invention provides a water electrolysis system comprising a water piping base, a product piping base, and an electrolytic cell unit. The electrolytic cell unit includes an electrolytic cell, a water piping part, a product piping part, and a support. The support is configured to unitize the electrolytic cell, the water piping part, and the product piping part. The water piping part is configured to be connected to the water piping base at a first connection part to constitute water piping through which water to be introduced into the electrolytic cell can circulate. The product piping part is configured to be connected to the product piping base at a second connection part to constitute product piping through which a fluid containing the product discharged from the electrolytic cell can circulate. The electrolytic cell unit is configured to be removable from the water electrolysis system.

HYDROGEN GAS PRODUCTION METHOD AND HYDROGEN GAS PRODUCTION DEVICE

Resumen de: WO2026172697A1

The present invention provides a hydrogen gas production method and a hydrogen gas production device that make it possible to reduce the production cost of hydrogen gas and to efficiently produce hydrogen gas at a lower cost than in the past. Provided is a hydrogen gas production method that includes a decomposition step A for introducing ammonia into a decomposition tower (12) of an ammonia decomposition unit (10) to obtain a decomposed gas and a purification step B for separating residual ammonia and nitrogen gas from the decomposed gas at a purification unit (20A) to obtain purified hydrogen gas. The hydrogen gas production method is characterized by also including an ammonia heating step C for mixing off-gas that includes the residual ammonia and nitrogen gas separated from the decomposed gas at the purification step B with air, combusting the off-gas at a combustor (31) of an ammonia heating unit (30), and using the combustion heat of the combusted off-gas to heat the ammonia before the ammonia is introduced into the decomposition tower (12).

Multifunktionselement für eine Elektrolysezelle einer Elektrolysevorrichtung, Verfahren zum Herstellen desselben und Elektrolysezelle

Resumen de: DE102025105819A1

Multifunktionselement (12c) für eine aus mehreren Zellstapelelementen (12) bestehende Elektrolysezelle (13) einer Elektrolysevorrichtung (10), bestehend aus einem Polymerschaum (22) und aus von dem Polymerschaum (22) auf-genommenen Metallpartikeln (24).

MEMBRANE ELECTROLYSER SUITABLE FOR ELECTROLYSIS OF WATER IN A BASIC MEDIUM

Resumen de: WO2026172325A1

The invention relates to an electrolyser for producing dihydrogen via a water electrolysis reaction in a basic medium, the electrolyser comprising a block (20) comprising: - N electrolysis cells (10) connected to one another between two electrode plates, i.e. an anode plate and a cathode plate, - a circuit for flow of fluid arranged to deliver water to the block of cells, and - a power supply (32) intended to deliver a current to the block of cells with a view to generating a water electrolysis reaction. The electrolyser also comprises: - a voltage generator (34) configured, when it is active, to apply a backup voltage (Ts) across the electrode plates of the block of cells and - a control means configured to activate the voltage generator (34) when it detects the power supply (32) has been interrupted.

SEPARATOR FOR WATER ELECTROLYSIS AND STACK FOR WATER ELECTROLYSIS COMPRISING THE SAME

Resumen de: KR20260126304A

0001a 수전해용 분리판 및 이를 포함하는 수전해용 스택이 개시된다. 본 발명에 따른 수전해용 분리판은 매니폴드와 반응부의 사이에 유체를 이동 및 확산시키는 유동 확산부를 포함하고, 유동 확산부는 일면으로 돌출된 돌기부 및 타면으로 돌출된 홈부를 포함하되, 돌기부와 홈부가 격자무늬 형태로 배열된다.

ELECTROLYTE RECOVERY DEVICE FOR REUSE AND ELECTROLYSIS SYSTEM COMPRISING THE SAME

Resumen de: KR20260126305A

0001a 재사용을 위한 전해액 회수장치 및 이를 포함하는 전해액 시스템이 개시된다. 본 발명에 따른 전해액 회수장치는 유체로부터 전해액을 포집하는 제1 다공체 및 포집된 전해액을 저장하는 저장부를 포함하는 하층, 하층의 제1 다공체를 통과한 유체를 열교환기를 사용하여 냉각하는 중층, 중층을 통과한 유체로부터 전해액을 포집하는 제2 다공체가 탑재된 상층 및 상층에서 회수된 전해액을 상기 저장부로 이동하도록 안내하는 회수유로를 포함한다.

Reversible solid oxide cell system using thermal battery

Resumen de: KR20260126258A

0001a 본 발명은 열배터리를 이용한 가역 고체산화물전지 시스템에 관한 것으로, 모드에 따라 전력 또는 수소를 생산하는 가역 고체산화물전지와, 상기 가역 고체산화물전지와 연동하여 가스의 열을 축열하거나 축열된 열로 가스를 가열하는 열배터리를 포함하되, 상기 가역 고체산화물전지와 상기 열배터리는 핫박스 내에 설치될 수 있다.

ELECTROCATALYSTS FOR THE HYDROGEN EVOLUTION REACTION

Resumen de: WO2026171464A1

The invention relates to an electrocatalyst for the hydrogen evolution reaction (HER), comprising a conductive carbon carrier, and a catalytic material arranged on the conductive carbon carrier, wherein the catalytic material comprises a nickel(II) complex corresponding to general formula 4, in which R1 and R2 each independently represent a phenyl group optionally having one or more identical or different R3 substituents, and R3 is selected from a halogen, a hydroxy group, a C1-C4 alkyl group, a C1-C4 alkoxy group, a C1-C4 thioalkyl group, a C1-C4 dialkylamino group, a cyano group, a CF3 group, and an O-CF3 group.

CATALYST-COATED MEMBRANE AND WATER ELECTROLYSIS CELL

Resumen de: WO2026171781A1

The invention relates to a catalyst-coated membrane (100) having a cathode (5a), an anode (5b) and an ionomer membrane (2) lying between the cathode (5a) and the anode (5b), for use in water electrolysis, wherein the ionomer membrane (2) has a first surface (2a) and has a second surface (2b), and the first surface (2a) has a first active area (3a) and the second surface (2b) has a second active area (3b), wherein the first active area (3a) and the second active area (3b) are each coated with a catalyst layer; wherein the first active area (3a) is surrounded by a first passive area (4a), and the second active area (3b) is surrounded by a second passive area (4b); the catalyst-coated membrane (100) further comprising a film (12) which surrounds an outer perimeter (11) of the ionomer membrane (2) without overlapping the ionomer membrane (2), wherein a) if a layer thickness of the film (12) is greater than a layer thickness of the ionomer membrane (2), the difference between the layer thickness of the film (12) and the layer thickness of the ionomer membrane (2) in the layer thickness direction (Z), perpendicular to the layer expansion direction (XY), is less than 50 µm, preferably less than 30 µm, more preferably less than 20 µm, even more preferably less than 10 µm and most preferably less than 5 µm, and b) if the layer thickness of the ionomer membrane (2) is greater than the layer thickness of the film (12), the difference between the layer thickness of the film (12) and

Membrane electrode assembly, electrochemical cell, and hydrogen production device

Resumen de: AU2026200345A1

A membrane electrode assembly includes: an anode; a cathode; and an electrolyte membrane provided between the anode and cathode. The anode includes: a porous and conductive anode conductive transport layer; and an anode catalyst layer provided between the anode conductive transport layer and the electrolyte membrane. The anode catalyst layer 5 includes first sheet layers and first gap layers, each first sheet layer and each first gap layer being alternately stacked. The cathode includes a porous and conductive cathode conductive transport layer, and a cathode catalyst layer provided between the cathode conductive transport layer and the electrolyte membrane. The cathode catalyst layer includes second sheet layers and second gap layers, each second sheet layer and each second gap layer being 10 alternately stacked. A porosity of the cathode conductive transport layer is higher than a porosity of the anode conductive transport layer. an a n 12a 12b 22b 22a FIG.　8 12b 22a an a n

NON-COATED AUSTENITIC STEEL SHEET FOR BIPOLAR PLATE FOR ALKALINE WATER ELECTROLYSIS

Resumen de: EP4793391A1

0001 According to the present invention, an uncoated austenitic steel sheet for an alkaline water electrolysis separator is provided, comprising, by wt%: C: more than 0% and 0.04% or less, Si: more than 0% and 0.4% or less, Mn: more than 0% and 0.5% or less, Cr: more than 0% and 2.0% or less, Ni: 33% to 40%, Co: more than 0% and 4.0% or less, the balance of Fe and other inevitable impurities, wherein a value of the following Formula (1) is 0.83 or less, a surface roughness Ra value is 0.07 µm to 0.25 µm, and corrosion resistance is excellent in an alkaline environment. 9.0 − 0.2495 × Ni + 0.9 × Cr − 0.005 × Co (wherein Ni, Cr and Co represent the content (wt%) of each element).

FLOW THROUGH ELECTRODE

Resumen de: WO2025078333A1

The present invention relates to an electrode (100) for electrolysis of electrolyte, said electrode comprising: first porous layer (102) permeable to electrolyte and gases produced by the decomposition of electrolyte; a second porous layer (104) permeable to electrolyte and gases produced by the decomposition of electrolyte, said second porous layer (104) being arranged adjacent to the first porous layer (102), wherein the first porous layer (102) comprises Nickel.

AMMONIA DECOMPOSITION CATALYST DEVICE, HYDROGEN PRODUCTION METHOD, AND AMMONIA COMBUSTION METHOD

Resumen de: EP4792933A1

0001 A purpose of the present invention is to provide an ammonia decomposition catalyst device with which a conversion of ammonia (NH<3>) can be improved. An ammonia decomposition catalyst device 100 for producing hydrogen (H<2>) through decomposition of ammonia (NH<3>) has a gas-flow upstream-side region 100a and a gas-flow downstream-side region 100b, in which a base density of the gas-flow downstream-side region 100b is a higher than that of the gas-flow upstream-side region 100a.

WATER SPLITTING CELL FOR USE IN WATER SPLITTING DEVICE AND WATER SPLITTING DEVICE

Resumen de: EP4793409A1

The water electrolysis cell is a water electrolysis cell for use in a water electrolysis apparatus that electrolyzes water when irradiated with light to generate hydrogen. The water electrolysis cell includes a laminate including an anode electrode, a perovskite battery cell, and a cathode electrode laminated in this order, and an electrically insulating protective material that covers the outer periphery of the laminate.

AMMONIA REFORMER AND HYDROGEN PRODUCTION SYSTEM INCLUDING THE SAME

Resumen de: KR20260125495A

0001a 본 발명의 암모니아 개질기 및 이를 포함하는 수소 생산 시스템은 암모니아 개질기 내부 열 전달 균일성을 향상시켜 암모니아를 효과적으로 분해함으로써 시스템의 스케일을 줄일 수 있고, 동일 시간 범위 내에 투입량 대비 많은 수소를 생산할 수 있어 공정 효율이 우수하다.

電極および電極の製造方法

Resumen de: WO2025033904A1

The present invention relates to an electrode and a method for manufacturing same, the electrode comprising: a nickel-containing metal substrate; a first sol-gel coating layer formed on at least one surface of the metal substrate; and a second sol-gel coating layer formed on the first sol-gel layer, wherein the first sol-gel coating layer and the second sol-gel coating layer each independently include nickel and iron. According to the present invention, the provided electrode for anion exchange membrane water electrolysis can implement improved electrochemical performance and has excellent durability.

직접 현장 메탄올 생산을 위해 원자로 시스템으로부터의 과열 증기를 사용한 포름산나트륨 및 옥살산나트륨의 열분해

Resumen de: US20250243139A1

An integrated energy system including a power plant is discussed herein. In some examples, the integrated energy system may include at least one nuclear reactor and electrical power generation system configured to generate steam and electricity, a water treatment plant configured to produce Sodium Hydroxide (NaOH) from salt water, a Sodium Formate (HCOONa) production plant configured to receive the Sodium Hydroxide (NaOH) to produce Sodium Formate (HCOONa), a Thermal Decomposition reactor configured to receive the Sodium Formate (HCOONa) and configured to receive at least a first portion of the steam or at least a second portion of the electricity from the power plant to indirectly heat the Thermal Decomposition reactor to produce Hydrogen (H2), Carbon Dioxide (CO2), and Carbon Monoxide (CO) from the Sodium Formate (HCOONa), and a Methanol (CH3OH) reaction chamber configured to receive the Hydrogen (H2), the Carbon Dioxide (CO2), and the Carbon Monoxide (CO) to produce Methanol (CH3OH).

セパレータおよびそれを含む電気化学セル

Resumen de: WO2025048510A1

The present invention relates to a separator in which an anode catalyst layer is coated on one surface of a porous substrate, and an electrochemical cell comprising same, the separator allowing ions to smoothly move through pores of the porous substrate and exhibiting low overpotential due to having the anode catalyst layer coated on one surface thereof.

HYDROGEN PRODUCTION SYSTEM LINKED WITH OUTPUT CONTROL OF NUCLEAR POWER PLANT AND CONTROL METHOD THEREOF

Resumen de: KR20260124681A

본 발명은 원자력 발전소의 출력제어와 연계된 수소 생산 시스템 및 그 제어 방법에 관한 것이다. 시스템은 전력계통 운영자로부터 원전 출력제어 정보를 획득하고, 원자력 발전소의 발전 전력과 소내 소비전력에 기초하여 수전해 장치에 공급 가능한 전환가능전력을 산정하며, 계통 접속점에서 측정되는 순송전 전력이 목표 송전 전력을 추종하도록 복수의 전해 스택군의 소비전력을 제어한다. 복수의 전해 스택군은 빠른 부하 추종을 담당하는 저온 전해 스택군과 원전 2차계통의 증기를 이용하는 고온 전해 스택군을 포함할 수 있다. 고온 전해 스택군은 감발 전력이 없는 동안 원전 추기증기로 핫 스탠바이 상태를 유지하고, 감발 전력이 발생하면 열적 정지 없이 전해전력을 공급받을 수 있다. 감발 전력의 고주파 변동 성분은 저온 전해 스택군에, 저주파 지속 성분은 고온 전해 스택군에 배분될 수 있고, 부하전환 중 전체 수전해 소비전력이 목표값을 유지하도록 중첩 제어될 수 있다. 이에 따라 원전의 안정운전, 계통 출력제어 이행, 수소 생산효율 및 고온 전해 스택의 열적 안정성을 함께 향상시킬 수 있다.

ELECTROLYTIC REACTION SYSTEM

Resumen de: WO2025076572A1

The invention relates to an electrolytic reaction system (1) for producing process gases in the form of gaseous hydrogen and oxygen, comprising at least three electrode assemblies (2), each of which comprise a plurality of hollow cylindrical electrodes that are arranged coaxially to one another and are positioned one inside the other. At least three electrode assemblies (2) are uniformly distributed about a common central vertical axis (4), and a hollow cylindrical container wall (5) for receiving an electrolyte is provided for each electrode assembly (2). A cover element (7) is supported on the upper end face (6) of each of the container walls (5), and the cover element (7) has through-openings (8) which run in the vertical direction and which are designed to discharge process gases produced within the container walls (5). A collecting hood (9) is provided on the cover element (7) in order to combine process gases exiting the individual through-openings (8). An electromagnetic coil (10) which is designed in the form of a ring and comprises a central air core (11) is received by the cover element (7) or is mounted on the cover element (7) and is aligned such that the central vertical axis (4) of the at least three electrode assemblies (2) passes through the central air core (11).

MULTIMETALLIC CATALYSTS

Resumen de: US20250116020A1

0000 The present disclosure includes catalysts, including electrocatalysts. Mixed metal electrocatalyst materials can include Ru, W, Mo, and/or Pd which can be applied to reduce the need for Ir, while exhibiting desirable performance.

MEMBRANE ELECTRODE ASSEMBLY AND WATER-ELECTROLYSIS DEVICE

Nº publicación: EP4793410A2 19/08/2026

Solicitante:

AGC INC [JP]
AGC Inc.

Resumen de: EP4793410A2

0001 To provide a membrane electrode assembly which is excellent in strength and is capable of reducing the electrolysis voltage when applied to a water electrolysis apparatus, and such a water electrolysis apparatus. 0002 The membrane electrode assembly of the present invention is a membrane electrode assembly for use in a water electrolysis apparatus, comprising an anode having a catalyst layer, a cathode having a catalyst layer, and a polymer electrolyte membrane disposed between the anode and the cathode, wherein the polymer electrolyte membrane comprises a fluorinated polymer having ion exchange groups, and a woven fabric, the aperture ratio of the woven fabric is at least 50%, the denier number of warp yarns and the denier number of weft yarns, constituting the woven fabric, are each independently at least 2, a relation of Y≦240X-170 is satisfied, where the membrane thickness of the polymer electrolyte membrane is Y µm, and the ion exchange capacity of the fluorinated polymer is X meq/g dry resin, the membrane thickness Y of the polymer electrolyte membrane is at least 20 µm and at most 150 µm, and the density of the warp yarns and weft yarns constituting the woven fabric is at least 19.7 yarns/cm (50 yarns/inch).