Alerta

PROCESS AND PLANT TO DECOMPOSE AMMONIA

Resumen de: WO2026033405A1

A process and a related plant for decomposing ammonia and synthesizing a hydrogen-rich process stream by a direct cooling performed downstream of the decomposition reactor with a stream consists of, or essentially consists of, nitrogen and/or ammonia, where the decomposition of ammonia takes place in a thermal or autothermal chemical reactor.

COMPLEX KNITTED STRUCTURES AS ELECTRODE FOR ELECTROLYSIS OF WATER

Resumen de: WO2026032903A1

The present invention relates to an electrode for the electrolysis of, in particular, alkaline water solutions. The electrode has a 3D-knitted metal structure in the form of a net. The metal is predominantly made of nickel. The invention also relates to a corresponding electrolysis cell and its use for the electrolysis of alkaline aqueous solutions.

FLUID TRANSPORT COMPONENT AND METHOD FOR PRODUCING THE FLUID TRANSPORT COMPONENT

Resumen de: WO2026032632A1

The invention relates to a fluid transport component (1) for an electrolyser, having a gas diffusion layer (2) which comprises a metal and is porous, and having a porous transport layer (3) which comprises a carbon paper and/or a carbon nonwoven, characterised in that the gas diffusion layer (2) is integrally bonded and electrically conductively connected to the porous transport layer (3). The invention additionally relates to a method for producing a fluid transport component (1) for an electrolyser, having the following steps: a) providing a gas diffusion layer (2) which comprises a metal and is porous; b) providing a porous transport layer (3) which comprises a carbon paper and/or a carbon nonwoven; and c) integrally bonding and electrically conductively connecting the gas diffusion layer (2) to the porous transport layer (3).

METHOD FOR PRODUCING CARBON MONOXIDE AND METHOD FOR PRODUCING SYNGAS

Resumen de: WO2026032578A1

A method for producing carbon monoxide is specified. The method comprises electrochemical desorption of carbon dioxide and oxygen from a solution containing a metal hydrogen carbonate and forming carbon monoxide from the carbon dioxide. The carbon monoxide produced can be used in a method for forming syngas.

MEMBRANE ELECTROLYZER WITH CATHODE WATER FLOW IN OPPOSITE DIRECTION TO ANODE WATER FLOW

Resumen de: US20260043149A1

The following disclosure relates to an electrochemical cell or system that is configured to operate with forced water flow on the cathode side of the cell and forced water flow on the anode side of the cell. The system may include at least one electrochemical cell having a cathode, an anode, and a membrane separating the cathode and the anode. The system has the forced water flow on the cathode side of the cell to be principally in opposite direction of the forced water flow on the anode side of the cell.

SYSTEM AND METHOD FOR REDUCING IMPURITY BUILDUP IN ELECTROLYZER SYSTEMS

Resumen de: US20260043151A1

A method of operating an electrolyzer system includes providing steam to a stack of electrolyzer cells through a steam filter, electrolyzing the steam into a hydrogen product in the stack of electrolyzer cells, receiving data from one or more sensors indicating that the filter requires cleaning or replacement, and cleaning or replacing the steam filter in response to the receiving the data from the one or more sensors indicating that the steam filter requires cleaning or replacement.

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

Resumen de: US20260043160A1

This control device is for a hydrogen production facility and comprises: a plurality of electrolysis cells for electrolyzing water or steam; and a plurality of rectifiers for supplying DC power to each of the plurality of electrolysis cells. The control device is provided with: a degradation coefficient acquisition unit configured to acquire a plurality of degradation coefficients indicating the degrees of deterioration of the respective electrolysis cells, an individual necessary current calculation unit configured to calculate, on the basis of a total necessary current corresponding to a hydrogen generation volume required for the hydrogen production facility and the plurality of degradation coefficients, a plurality of individual necessary currents indicating necessary currents required for the electrolysis cells; and a control unit configured to control the respective rectifiers on the basis of the plurality of individual necessary currents.

SOLID OXIDE ELECTROLYZER CELL INCLUDING ELECTROLYSIS-TOLERANT AIR-SIDE ELECTRODE

Resumen de: US20260043159A1

A solid oxide electrolyzer cell (SOEC) includes a solid oxide electrolyte, a fuel-side electrode disposed on a fuel side of the electrolyte, and an air-side electrode disposed on an air side of the electrolyte. The air-side electrode includes a barrier layer disposed on the air side of the electrolyte and including a first doped ceria material, and a functional layer disposed on the barrier layer and including an electrically conductive material and a second doped ceria material.

ELECTROLYTIC CELL AND ANION-EXCHANGE CONDUCTIVE HOLLOW FIBER TUBE MATRIX THEREOF

Resumen de: US20260043158A1

An electrolytic cell and an anion-exchange conductive hollow fiber tube matrix thereof are disclosed. The anion-exchange conductive hollow fiber tube matrix includes a plurality of conductive hollow fiber tubes arranged adjacent to each other in a matrix. The conductive hollow fiber tubes each have a diffusion surface and two opposite ends defined as an inlet and an outlet. An anode and a cathode of the electrolytic cell are disposed adjacent to the diffusion surface. Water in an electrolysis tank flows into the conductive hollow fiber tubes from the inlet, water molecules enter the cathode from the diffusion surface and decompose to produce hydrogen and hydroxide ions, the hydrogen is discharged from the cathode, the hydroxide ions return to the conductive hollow fiber tubes from the diffusion surface and then enter the anode from the diffusion surface to produce oxygen, the oxygen is discharged from a surface of the anode.

ALKALINE WATER ELECTROLYSIS APPARATUS

Resumen de: US20260043154A1

An alkaline water electrolysis apparatus includes: a separation membrane including a first main surface and a second main surface opposite to the first main surface; a first electrode including a third main surface and a fourth main surface opposite to the third main surface, the third main surface being provided to face the first main surface of the separation membrane; and a first bipolar plate including a fifth main surface, the fifth main surface being provided in contact with the fourth main surface of the first electrode, wherein the first electrode consists of a first metal porous body having a three-dimensional mesh structure.

PHOTOCATALYTIC CELL AND HYDROGEN GAS GENERATION SYSTEM

Resumen de: US20260043150A1

A photocatalytic cell of the disclosure is installed in an inclined manner at an angle of 5° or more and 45° or less with respect to a horizontal plane. The photocatalytic cell includes: a translucent member; an electrolytic solution; a photocatalytic sheet including photocatalytic particles; an injection port through which the electrolytic solution is injected into an inside of the photocatalytic cell; a discharge port through which the electrolytic solution is discharged to an outside of the photocatalytic cell; and an exhaust port through which gas inside the photocatalytic cell is discharged, at least a part of the photocatalytic sheet is immersed in the electrolytic solution, a position of the exhaust port is higher than a position of the injection port, a gap between a surface of the translucent member and a surface of the photocatalytic sheet is 5 mm or more and 50 mm or less in width, and the injection port and the discharge port allow the electrolytic solution to flow from an upper part toward a lower part in the gap between the translucent member and the photocatalytic sheet.

CDTE PHOTOVOLTAIC MODULE SYSTEMS AND METHODS FOR AUTONOMOUS WATER ELECTROLYSIS

Resumen de: US20260047229A1

Techniques for water electrolysis employing: a glass substrate layer; a transparent conductive oxide (TCO) layer including TCO electrical disconnects formed in the TCO; a photovoltaic (PV) layer including PV electrical disconnects formed in the PV layer, portions of the PV layer extending into the TCO electrical disconnects; a metal back contact (MBC) layer including MBC electrical disconnects formed in the MBC layer, portions of the MBC layer extending into the PV electrical disconnects; an insulating layer including insulating voids formed in the insulating layer to expose anode and cathode portions of the MBC layer, portions of the insulating layer extending into the MBC electrical disconnects; a metal conductor layer adjacent the insulating layer and including a metal conductor extending into insulating voids to form metal conductors electrically coupled to the exposed anode and cathode portions; catalyst coatings on the metal conductors electrically coupled to the anode and cathode portions.

Magnetohydrodynamic hydrogen electrical power generator

Resumen de: AU2026200498A1

A power generator is described that provides at least one of electrical and thermal power comprising (i) at least one reaction cell for reactions involving atomic hydrogen hydrogen products identifiable by unique analytical and spectroscopic signatures, (ii) a molten metal injection system comprising at least one pump such as an electromagnetic pump 5 that provides a molten metal stream to the reaction cell and at least one reservoir that receives the molten metal stream, and (iii) an ignition system comprising an electrical power source that provides low-voltage, high-current electrical energy to the at least one steam of molten metal to ignite a plasma to initiate rapid kinetics of the reaction and an energy gain. In some embodiments, the power generator may comprise: (v) a source of H2 and O2 supplied to the 10 plasma, (vi) a molten metal recovery system, and (vii) a power converter capable of (a) converting the high-power light output from a blackbody radiator of the cell into electricity using concentrator thermophotovoltaic cells or (b) converting the energetic plasma into electricity using a magnetohydrodynamic converter. an a n

電解セル

Resumen de: JP2026022181A

【課題】本開示は、新たな直接空気電解法を提供することを目的とし、好ましくは、強塩基性や強酸性の溶液、及び、貴金属電極触媒を用いる必要がない、直接空気電解法を提供することを目的とする。【解決手段】アノードと、前記アノードに対向するカソードと、細孔を有する基材と、吸水性化合物と、を備え、前記基材は、前記アノードと前記カソードとの間に配置され、前記吸水性化合物は、前記基材の細孔中に存在する、電解セル。【選択図】なし

TREATMENT SYSTEM WITH SEPARATOR TANK

Resumen de: WO2026035442A1

A system includes at least one electrochemical device including a proton exchange membrane situated between an anode and a cathode. An oxygen separator is fluidly connected to an inlet to the anode and a hydrogen separator is fluidly connected to an outlet from the cathode. A separator tank fluidly interconnects an outlet from the hydrogen separator to an inlet to the oxygen separator.

ELECTROLYTIC CELL, ELECTROLYSIS TANK, AND METHOD FOR PRODUCING HYDROGEN

Resumen de: WO2026034402A1

This electrolytic cell comprises an element provided with: an anode chamber provided with an anode; a cathode chamber provided with a cathode; a conductive partition wall provided between the anode chamber and the cathode chamber; and an outer frame that borders the conductive partition wall. The electrolytic cell is stacked with a gasket and a diaphragm interposed between cells. Sealing of an electrolytic solution is achieved by applying surface pressure between the gasket and the diaphragm and between the gasket and the outer frame. The contact ratio between the diaphragm and a first electrode, which is at least one of the anode and the cathode, is 15%-60%, and a region in which the local stress between the diaphragm and the first electrode is 0.1 MPa or more is 5% or less.

HYDROGEN PRODUCTION SYSTEM

Resumen de: WO2026033985A1

Provided is a hydrogen production system (40) which comprises: an exhaust heat reception unit (41) that receives exhaust heat generated by an external exhaust heat source (11); a water vapor generation unit (42) that generates water vapor by heating water by means of the exhaust heat received by the exhaust heat reception unit (41); a cell stack (43) that electrolyzes the water vapor generated by the water vapor generation unit (42) so as to generate hydrogen; and a replenishment unit (44) that, when the amount of exhaust heat is insufficient with respect to the amount necessary for generating the required amount of water vapor, replenishes water, water vapor, or the water vapor generation unit (42) with heat, or replenishes the cell stack (43) with water vapor from an external water vapor supply source (95).

암모니아를 촉매적으로 분해하는 플랜트의 시동

Resumen de: WO2025012271A1

The invention relates to a plant for preparing H2 by catalytically decomposing NH3. The plant according to the invention can be operated in a start-up mode in order to heat apparatuses of the plant to an increased operating temperature using a heat-transfer medium, e.g. following interruption of a continuous operation of the plant due to maintenance work. After heating to the operating temperature, the plant according to the invention can be operated in a production mode for continuous production of H2. The invention also relates to a method for starting up a plant for preparing H2 by catalytically decomposing NH3.

셀 스택의 판형 요소 및 셀 스택

Resumen de: WO2025051333A1

The invention relates to a plate-like element (10) of a cell stack (2) of an electrochemical system (1), having a first plate side (26), a second plate side (27), a plurality of openings (13, 21, 22, 23, 23') and a first structure (14) for forming a flow field for coolant and several further structures (14') for forming distributors for operating media on the first plate side (26). The structure (14) comprises a coolant conducting structure (15, 16) through which a first coolant path (15) and a second coolant path (16) arranged mirror-symmetrically thereto are formed, each of which have, starting from one of the openings (21), an elongate inflow portion (17), a centre portion (18) which starts from the inflow portion (17), fans out and describes at least one meandering bend (19), and an elongate outflow portion (20) which adjoins the centre potion (18) and is narrower than the centre portion (18). A longitudinal axis (30) of the inflow portion (17) of the first coolant path (15) matches a longitudinal axis (30) of the outflow portion (20) of the second coolant path (16), and a longitudinal axis (30') of the inflow portion (17) of the second coolant path (16) matches a longitudinal axis (30') of the outflow portion (20) of the first coolant path (15). The invention also relates to a cell stack (2) comprising a plurality of such plate-like elements (10) which are parallel to one another.

PROCESS FOR PRODUCING A HYDROGEN PRODUCT

Resumen de: WO2026032563A1

A process (100) for producing a hydrogen product (20) from a feedstock stream (10), the process (100) comprising the following steps: - performing a combustion of a fuel gas (S11) to bring a heat input to the process (100) thereby generating a flue gas (52), - pre-heating the ammonia stream (S3), said preheating being realized in a first heat exchanger (4) arranged to heat the ammonia stream by heat exchange with the flue gas, - sending the pre-heated ammonia stream (12) to a vaporizer (5) and vaporizing (S4) said pre-heated ammonia stream, - sending the vaporized ammonia (14) from said vaporizer (5) as said feedstock stream (S6) and/or sending the vaporized ammonia from said vaporizer as said fuel to said combustion (S11).

COMPOUNDED FLUORINATED SULFONYL FLUORIDE POLYMERS AND ION EXCHANGE MEMBRANES MADE THEREFROM

Resumen de: CN120898031A

The present invention relates to a composition comprising from about 90% to about 99.99% by weight of one or more non-crosslinked fluorinated sulfonyl fluoride polymers and from about 0.01% to about 10% by weight of one or more noble metal catalysts, based on the total weight of the composition, wherein the one or more noble metal catalysts are uniformly distributed throughout the one or more non-crosslinked fluorinated sulfonyl fluoride polymers. Such compositions may be formed as cation exchange precursors, for example by extrusion, and, after treatment, form cation exchange membranes. The resulting films and membranes have a noble metal catalyst uniformly distributed throughout the layer of the catalyst-containing polymer.

COAXIAL CATALYST SYSTEM FOR AMMONIA CRACKING

Resumen de: EP4691967A1

Die Erfindung betrifft ein Katalysatorsystem zur Spaltung von Ammoniak in Wasserstoff und Stickstoff, umfassend mindestens Rohr mit einer zentral durch das innere des Rohrs verlaufenden Achse, wobei in dem Rohr mindestens zwei koaxial angeordnete Bereiche, in Form von einem ersten Bereich entlang der zentralen Achse und mindestens einem den ersten Bereich umgebenden weiteren Bereich, ausgebildet sind, und wobei der erste Bereich ein erstes Katalysatormaterial und der mindestens eine weitere Bereich mindestens ein weiteres Katalysatormaterial enthält, dadurch gekennzeichnet, dass a) das erste Katalysatormaterial mindestens ein Metall aufweist, das ausgewählt ist aus der Gruppe bestehend aus Edelmetallen und Nicht-Edelmetalle, und b) das mindestens eine weitere Katalysatormaterial mindestens ein Nicht-Edelmetall aufweist. Das erste und das mindestens eine weitere Katalysatormaterial sind verschieden.

METHOD FOR MANUFACTURING A CATALYST-COATED MEMBRANE

Resumen de: CN120752767A

A method of making a catalyst coated ion conducting membrane for use in an electrochemical device, such as a fuel cell or an electrolytic cell, is provided. The method includes providing an electrolyte membrane having a first face and a second face, the first face disposed opposite the second face. A first catalyst ink is deposited onto the first side of the electrolyte membrane to form a first wet catalyst layer, and then dried to form a first catalyst layer on the first surface of the electrolyte membrane. The first catalyst ink comprises a first ionically conductive polymer; a first electrocatalyst; and a first dispersant. Subsequently, a second catalyst ink is deposited onto a second face of the electrolyte membrane to form a second wet catalyst layer and dried to form a second catalyst layer. The second catalyst ink comprises a second ionically conductive polymer; a second electrocatalyst; and a second dispersant. Before depositing the second catalyst ink onto the second side of the electrolyte membrane, the first catalyst layer is subjected to a temperature A of 130 DEG C or more, and the second catalyst layer is subjected to a temperature B lower than the temperature A.

POROUS TRANSPORT LAYER

Resumen de: CN120882906A

A porous transport layer for an electrolytic cell or for a fuel cell, the porous transport layer comprising: a first non-woven layer having metal fibers, the first non-woven layer having metal fibers being arranged for contacting a proton exchange membrane, where the first non-woven layer having metal fibers comprises metal fibers having a first equivalent diameter, and the second non-woven layer having metal fibers having a second equivalent diameter; wherein the first non-woven layer having metal fibers has a first surface roughness and a first porosity,-a second non-woven layer having metal fibers wherein the second non-woven layer having metal fibers comprises metal fibers having a second equivalent diameter, wherein the second nonwoven layer having metal fibers has a second surface roughness and a second porosity wherein the first surface has a material ratio of less than 5% material at a height of 5 mu m and greater than 70% material at a depth of-5 mu m, the first equivalent diameter is less than the second equivalent diameter, the first surface roughness is at least 20% less than the second surface roughness, and the second surface roughness is at least 20% less than the second surface roughness. The first porosity is at least 10% less than the second porosity, such as in the range of 20% to 120%, for example, the first porosity is at least 10% less than the second porosity, such as in the range of 10% to 50%, and wherein the first nonwoven layer is metallurgically bo

SYSTEM AND METHOD FOR ELECTROLYSIS PLANT INTERCONNECTED TO RENEWABLE ENERGY POWER SOURCE AND POWER GRID

Nº publicación: EP4690407A1 11/02/2026

Solicitante:

SIEMENS ENERGY GLOBAL GMBH & CO KG [DE]
Siemens Energy Global GmbH & Co. KG

Resumen de: CN121039917A

Systems and methods are provided for an electrolysis plant interconnecting a renewable energy source (22) and a power grid (20). The system includes a power source (22) and an electrolysis plant (30) including electrolysis equipment (32) connected to the power source (22) to energize the electrolysis equipment to respective operating conditions. The control system (40) is connected to the power source (22) and the power grid (20). Upon detection of a power failure or otherwise insufficient power supply of the renewable power source, the control system is configured to bring the electrolysis device to a corresponding standby condition. The electrolysis device is connected to an electrical grid to energize the electrolysis device to a standby condition. Optionally, a backup power supply (26) is connected to the control system such that the backup power supply is configured to energize the control system upon detecting that the renewable power source and the grid are simultaneously powered off or are simultaneously otherwise insufficient in power supply.