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ELECTROCHEMICAL CELL AND ELECTROCHEMICAL DEVICE

Resumen de: AU2024361604A1

Provided are an electrochemical cell and an electrochemical device which are easy to manufacture and capable of retrofitting. This electrochemical cell comprises: a first plate, a second plate, and a seal part provided between the first plate and the second plate, wherein an anode chamber and a cathode chamber are respectively formed on the inner sides facing each other of the first plate and the second plate. The seal part has: a plurality of frame bodies arranged at intervals from the inner side to the outer side; and a plurality of seal materials arranged between the frame bodies and arranged in a compressed state between the first plate and the second plate. This electrochemical device comprises the above-described electrochemical cell.

PROTON EXCHANGE MEMBRANE AND CATALYST-COATED PROTON EXCHANGE MEMBRANE

Resumen de: AU2024312824A1

Proton exchange membranes are described. The proton exchange membranes comprise a reinforced membrane, a continuous nonporous hydrogen recombination catalyst coating layer comprising a mixture of hydrogen recombination catalyst and a proton conducting ionomer, and a continuous nonporous cross-linked polyelectrolyte multilayer coating comprising alternating layers of a polycation polymer and a polyanion polymer. Catalyst coated membranes incorporating the proton exchange membranes and methods of making the proton exchange membranes are also described.

ION-CONDUCTING MEMBRANE, METHOD FOR MANUFACTURING SUCH A MEMBRANE, ELECTROCHEMICAL CELL COMPRISING SUCH A MEMBRANE AND PLANT COMPRISING SUCH A CELL

Resumen de: AU2024305585A1

The invention relates to an ion-conducting membrane (10) for an electrochemical device, said membrane comprising a layer of a material comprising: - 5% to 30% by weight of a polymer binder and - 70% to 95% by weight of a powdered ceramic, the powdered ceramic comprising ceramic doped with yttrium oxide and/or ceramic doped with cerium oxide. The invention can be used to produce a non-porous membrane for low-temperature electrolysis (0°C to 150°C).

SYSTEMS AND METHODS FOR PRODUCING RENEWABLE HYDROGEN

Resumen de: AU2024303520A1

Methods for producing renewable hydrogen and systems related to the same are provided.

CATALYST-COATED POLYMER ELECTROLYTE MEMBRANES AND METHODS FOR THEIR MANUFACTURE

Resumen de: WO2026013411A1

CATALYST-COATED POLYMER ELECTROLYTE MEMBRANES AND METHODS FOR THEIR MANUFACTURE A method for the manufacture of catalyst-coated polymer electrolyte membranes for water electrolysis is provided. The method comprises the steps of forming a polymer electrolyte membrane on a first catalyst layer comprising a platinum-containing catalyst on a carbon support material and a catalyst layer ion-conducting polymer. The first catalyst layer has an expected effective platinum surface area in the range of and including 5 to 200 cm2Pt/cm2 and a carbon content in the range of and including 30 to 60 wt%. Catalyst coated membranes obtainable by the method are also provided. Figure 2

ELECTRODEPOSITION OF ELECTROCATALYST

Resumen de: WO2026013390A1

Pulsed electrodeposition methods for producing conformal layers of metallic systems are provided. The off or near-off state during pulsed deposition allows concentration of metal near the deposition electrode to replenish. Electrocatalysts made by the method are also provided, in particular CuFeNi trimetallic systems and mono- and bi-metallic systems based on Cu, Fe and Ni.

MATERIAL SUITABLE FOR ELECTROCATALYTIC OXYGEN EVOLUTION REACTION

Resumen de: WO2026013240A1

The disclosure regards a material for electrocatalytic oxygen evolution reaction (OER) comprising co-doped strontium titanite, wherein the co-dopants comprise at least a first transition metal (M1) and a second transition metal (M2) with the general composition Sr(Ti1-y-zM1yM2z)O3-δ, wherein the atomic fraction of titanium (1-y-z) is > 0.35.5

SYSTEM AND PROCESS FOR IMPROVING THE ELECTROLYSIS OF SALTWATER

Resumen de: WO2026013303A1

The invention provides a system and process for facilitating the direct electrolysis of saltwater, such as seawater. The system comprises an acid-base flow battery comprising an acid solution outlet, an alkaline solution outlet and a saltwater inlet; and a water electrolyser downstream of the acid-base flow battery for producing hydrogen, comprising a negative electrode and a positive electrode.

UTILIZING THE OXYGEN FROM WATER ELECTROLYSIS IN A PARTIAL OXIDATION PROCESS (POX)

Resumen de: WO2026013106A1

A process for producing a synthesis gas mixture comprising hydrogen and carbon monoxide and optionally carbon dioxide by partial oxidation of hydrocarbons or a mixture comprising hydrocarbons comprising: Reacting the hydrocarbons or the mixture comprising hydrocarbons with an oxygen-comprising reactant gas, wherein the oxygen in said oxygen-comprising reactant gas comprises at least 1 ppmv of H2 based on the total volume of the oxygen-comprising reactant gas; a synthesis gas mixture obtainable or obtained by the inventive process; a synthesis gas mixture comprising hydrogen and carbon monoxide and optionally carbon dioxide, wherein the synthesis gas has a δ18O value of < 22 ‰, referred to the international standard VSMOW; and use of an oxygen-comprising reactant gas comprising at least 1 ppmv of H2 based on the total volume of the oxygen-comprising reactant gas for the preparation of a synthesis gas mixture comprising hydrogen and carbon monoxide and optionally carbon dioxide by partial oxidation of hydrocarbons or a mixture comprising hydrocarbons. The present invention further relates to a partial oxidation reactor (POX reactor) comprising a connection for supplying an oxygen-comprising reactant gas comprising at least 1 ppmv of H2 based on the total volume of the oxygen-comprising reactant gas; and a system comprising a partial oxidation reactor (POX reactor) and a water electrolyzer connected by a gas pipe.

SYSTEM AND METHOD FOR PRODUCING PRESSURIZED HYDROGEN FROM A SOLID OXIDE ELECTROLYSER CONNECTED TO AN ELECTROCHEMICAL HYDROGEN COMPRESSOR

Resumen de: WO2026013331A1

The invention relates to a system and method for producing pressurized hydrogen from a solid oxide electrolyser connected to an electrochemical hydrogen compressor The system comprises a solid oxide electrolyser (SOEC) (1), which is configured to generate hydrogen; an electrochemical hydrogen compressor (EHC) (2), which is configured to pressurize said hydrogen generated by said SOEC; and a first recovery circuit, which is configured to recover water exiting the cathode (2c) of the EHC (2) by providing a return path through the EHC (2) to the cathode (1C) of the SOEC (1) for consumption. An optional second recovery circuit is configured to recover heat from at least one output flow (4, 5) of the SOEC (1) to a heat exchanger (15), which is configured to heat said return path (4, 18) at the cathode (1C) of said solid oxide electrolyser (1).

APPARATUS FOR GENERATING ELECTRICITY

Resumen de: US20260018632A1

A power generation system includes a housing, a lid defining an opening in the housing, and a chamber inside the housing configured to receive a cartridge comprising a powdered fuel mixture. The system also includes a fluid reservoir that stores a fluid configured to react with the powdered fuel mixture to produce hydrogen gas. A processor is configured to control ingress of the fluid from the fluid reservoir to the powdered fuel mixture in the cartridge and control egress of the gas from the cartridge to the gas storage compartment. The system also includes a generator configured to generate electricity from the gas in the gas storage compartment.

流体の処理プラント

Resumen de: JP2024092034A

To improve thermal efficiency of a treatment plant for raw material fluid.SOLUTION: A treatment plant for raw material fluid comprises a raw material reaction facility 40 for generating reaction gas RG by reacting raw material fluid NH. The raw material reaction facility 40 comprises preheaters 44a and 44b and a reactor 45. The preheaters 44a and 44b are heat exchangers for heating the raw material fluid NH by exchanging heat between a second heat medium and the raw material fluid. The reactor 45 is a heat exchanger for heating and reacting the raw material fluid NH by exchanging heat between a first heat medium different from the second heat medium and the raw material fluid NH heated by the preheaters 44a and 44b.SELECTED DRAWING: Figure 1

電気化学リアクタおよび電気化学リアクタを作動させる方法

Resumen de: CN120418995A

The invention relates to an electrochemical reactor (1), in particular a redox flow cell, a fuel cell, an electrolytic cell or an electrosynthesis cell, comprising a stack (Z) consisting of a plurality of cells (2) which are separated from each other by at least one bipolar plate (3) and are stacked in a stacking direction (R), wherein the cells (2) each have two electrodes (5, 6) and a separator (10) arranged between the two electrodes (5, 6), and wherein the at least one bipolar plate (3) is flexible. In order to be able to increase mass transfer and material distribution with low construction and equipment investment and low material load, an oscillator (13) which excites at least one bipolar plate (3) to generate oscillations is integrated in the bipolar plate (3).

THERMOCHEMICAL REACTIONS USING GEOTHERMAL ENERGY

Resumen de: TW202436207A

A first aspect is directed to a method for producing hydrogen by thermochemical splitting of water includes injecting one or more feed streams of water into a reaction chamber. The method further includes using heat from a subterranean heat source to carry out the thermochemical splitting of water to form hydrogen and oxygen in the reaction chamber. The formed products are subsequently removed from the reaction chamber. A second aspect is directed to a reaction system includes a wellbore extending from a surface into a subterranean heat source. The reaction system further includes a reaction chamber configured to be maintained at a reaction temperature using heat from the subterranean heat source. The reaction system further includes one or more inlet conduits. The inlet conduits are configured to provide one or more feed streams to the reaction chamber. The reaction system also includes outlet conduits configured to allow flow of one or more product streams.

METHOD FOR PRODUCING A COMPOUND AND APPARATUS FOR PRODUCING A COMPOUND

Resumen de: WO2024184587A1

The invention relates to a method for producing a compound comprising at least one of hydrogen or oxygen. The method comprises providing water and a first substance, producing a mixture comprising the water and bubbles comprising the first substance, decreasing diameter of bubbles comprising the first substance, decomposing a part of the water, and composing a compound at least from the decomposed water and the first substance, and the compound comprising at least one of hydrogen or oxygen. The invention further relates to apparatus for producing a compound comprising at least one of hydrogen or oxygen.

METHOD FOR PRODUCING HYDROGEN AND APPARATUS FOR PRODUCING HYDROGEN

Resumen de: WO2024184586A1

The invention relates to a method for producing hydrogen. The method comprises providing water and a gaseous substance, the gaseous substance comprises hydrogen atoms and carbon atoms, producing a mixture comprising the water and bubbles comprising the gaseous substance, decreasing diameter of the bubbles comprising the gaseous substance, and producing gaseous hydrogen by decomposing the gaseous substance in the bubbles having the decreased diameter. The invention further relates to apparatus for producing hydrogen gas.

ELECTROCHEMICAL CELL STACK

Resumen de: CN120659909A

An electrochemical cell stack (1) comprising a plurality of cells (2) separated from one another by bipolar plates (5, 5 '), where each cell (2) is formed by two half-cells (3, 4) between which a membrane (6) surrounded by a support frame (7) is arranged, and where a porous transport layer (10, 11) is present in each half-cell (3, 4). The support frame (7) describes a step shape having two adjacent cross-sectional areas (12, 13), in which the edge (18) of the membrane (6) lies in a step (17) formed by the cross-sectional areas (12, 13) and the porous transport layer (10) of the half-cell (3) extends into the step (17), and in which the porous transport layer (10) of the half-cell (3) extends into the step (17). According to the invention, the support frame (7) comprises at least one sealing arrangement (15) injection molded onto the support frame (7) and comprising an electrically insulating sealing material, according to the invention, the sealing arrangement (15) comprises three sealing regions (19, 20, 21), each having at least one sealing lip (22, 22 '), in particular a first sealing region (19) and a second sealing region (20) and a third sealing region (21), which are assigned to narrower regions of the two cross-sectional regions (12, 13) facing the membrane (6), the first sealing region and the second sealing region each contact exactly one bipolar plate (5, 5 '), and the third sealing region is located on a side of the support frame (7) facing away from the step (17)

METHOD FOR PRODUCING A MEMBRANE-ELECTRODE ASSEMBLY FOR AN ELECTROLYSIS CELL VIA DIRECT MEMBRANE DEPOSITION AND ELECTROLYSIS CELL THUS PRODUCED

Resumen de: AU2024268013A1

A method is specified for producing a membrane-electrode assembly (20) for an electrolysis cell (30) via direct membrane deposition. The method comprises (i) providing a carrier substrate (1), more particularly a gas diffusion layer, for the electrolysis cell (30), (ii) directly applying a paste-like first catalyst material (2) to the carrier substrate (1), (iii) drying/curing the first catalyst material (2), (iv) directly applying an ionomer plastisol (3) for the membrane of the electrolysis cell, (v) drying/curing the ionomer plastisol (3), (vi) directly applying a second paste-like catalyst material (4) to the ionomer plastisol (3), and (vii) drying/curing the second catalyst material (4). Additionally specified are a correspondingly produced membrane-electrode assembly (20), an electrolysis cell (30) comprising said assembly, and a corresponding cell stack.

Catalyst-coated polymer electrolyte membranes and methods for their manufacture

Resumen de: GB2642535A

A method for the manufacture of catalyst-coated polymer electrolyte membranes (CCMs) for water electrolysis is described. The CCMs may comprise a proton exchange membrane (PEM) or an anion exchange membrane (AEM) with an anode layer and/or a cathode catalyst layer applied to a face of the membrane. The method comprises the steps of forming a polymer electrolyte membrane on a first catalyst layer 2 comprising a platinum-containing catalyst on a carbon support material 1 and a catalyst layer ion-conducting polymer. The catalytic layer 2 may comprise a hydrogen evolution catalyst (HER) and/or an oxygen evolution catalyst (OER). The first catalyst layer 2 has an expected effective platinum surface area in the range of and including 5-200 cm2Pt/cm2 and a carbon content in the range of and including 30-60 wt%.

System and process for improving the electrolysis of saltwater

Resumen de: GB2642534A

A system and process for facilitating the direct electrolysis of saltwater, such as seawater, is described. The system comprises an acid-base flow battery (ABFB) 230 with an acid solution outlet 403, an alkaline solution outlet 402 and a saltwater inlet 401; and a water electrolyser 340 downstream of the ABFB for producing hydrogen 408, the electrolyser comprising a negative electrode and a positive electrode. The ABFB is in fluid communication with the water electrolyser, such that, in use, an alkaline solution from the alkaline solution outlet of the acid-base flow battery passes into a positive electrode channel of the water electrolyser proximal the positive electrode. By coupling a water electrolyser with an upstream acid-base flow battery in this way, the base solution by-product from the ABFB is fed into the positive (anode) channel of the electrolyser. In this way, the pH proximal the positive electrode is increased. As a result, saltwater is subjected to electrolysis without the evolution of chlorine or bromine at the positive electrode. The brine by-product of the process may be subjected to freshwater-saltwater reverse electrodialysis (RED) to convert dilution energy to usable electricity.

Electrodeposition method and product

Resumen de: GB2642466A

An electrocatalyst comprising CuNiFe nanoparticles on a conductive substrate is described where the nanoparticles comprise less than 5 at % Fe. The electrocatalyst may comprise part of an electrode where the conductive substrate can be a metal foil such as Ta or a metal foam such as Ni. The nanoparticles may have a mean diameter from 100-150nm. Pulsed electrodeposition methods for producing conformal layers of metallic systems are also described. The off or near-off state during pulsed deposition allows concentration of metal near the deposition electrode to replenish.

SYSTEMS AND PROCESS FOR INTEGRATION OF LOW TEMPERATURE ELECTROLYSIS OF CARBON DIOXIDE WITH FUEL PRODUCTION

Resumen de: EP4678787A1

This invention provides systems and processes for the production of a hydrocarbon fuel. A gaseous feed comprised of a carbon dioxide rich feedstock, suitably derived from waste exhaust or from direct air capture, is used as an input for a carbon dioxide electrolysis unit. The carbon dioxide electrolysis unit comprises a bipolar membrane and operates under ambient temperature and elevated pressure. The electrolysis unit comprises at least first and second outputs, wherein the first output comprises a first effluent line that comprises a synthesis gas (syngas) product and the second output comprises a second effluent line that comprises a gaseous oxygen byproduct. The first effluent line is coupled to a synthetic production unit that can produce hydrocarbon fuels, such as kerosene or methanol.

A method for shelf-life maximization of cells in an assembled electrolyser cell stack and an electrolyser cell stack.

Resumen de: DK202430371A1

Initially an assembled electrolyser cell stack comprising at least alternatingly, Electrodes and bipolar plate assemblies and Diaphragms is provided. Stack internal process and flow volumes, namely catholyte flow volume and process chambers and anolyte flow volume and process chambers adjacent to and on each side of every diaphragm are simultaneously partially or completely flooded through each of stack internal catholyte manifold and stack internal anolyte manifold with a liquid alkaline conservation medium and O2 side electrolyte inlet connection, H2 side electrolyte inlet connection, anolyte and oxygen gas exit connection and catholyte and hydrogen gas exit connection are each sealed off adjacent to an electrolyser endplate after partially or completely flooding the mentioned stack internal volumes with the fluid conservation medium.

Systematic carbon emissions reduction method for whole process of steel production and casting

Resumen de: GB2642614A

Disclosed in the present invention is a systematic carbon emissions reduction method for a whole process of steel production and casting, comprising the steps of: hydrogen injection in a blast furnace. Hydrogen comes from a nuclear hydrogen production system, hydrogen production based on water electrolysis, and hydrogen production based on coke oven gas-steam reforming; electric energy consumed by hydrogen production based on water electrolysis comes from gas power generation, steam residual pressure power generation, solar power generation, wind energy power generation, and nuclear power generation; combustible gas used for gas power generation is coke oven gas, blast furnace gas, and converter gas; steam in steam residual pressure power generation comes from a sintering waste heat boiler; steam in hydrogen production based on coke oven gas-steam reforming is low-pressure steam after residual pressure power generation; the final product is a cast steel profile, a casting material of a high-carbon spheroidal graphite cast iron profile having a carbon content of 2-4% and a silicon content of 2-4%, and a casting material of a high-carbon spheroidal graphite cast steel profile having a carbon content of 1-2% and a silicon content of 1-1.9%; the waste of the final product enters a converter or an electric furnace for cyclic smelting.

System and method for producing pressurized hydrogen from a solid oxide electrolyser connected to an electrochemical hydrogen compressor

Nº publicación: FI20245884A1 13/01/2026

Solicitante:

TEKNOLOGIAN TUTKIMUSKESKUS VTT OY [FI]
Teknologian tutkimuskeskus VTT Oy

Resumen de: FI20245884A1

The invention relates to a system and method for producing pressurized hydrogen from a solid oxide electrolyser connected to an electrochemical hydrogen compressor. The system comprises a solid oxide electrolyser (SOEC) (1), which is configured to generate hydrogen; an electrochemical hydrogen compressor (EHC) (2), which is configured to pressurize said hydrogen generated by said SOEC; and a first recovery circuit, which is configured to recover water exiting the cathode (2c) of the EHC (2) by providing a return path through the EHC (2) to the cathode (1C) of the SOEC (1) for consumption. An optional second recovery circuit is configured to recover heat from at least one output flow (4, 5) of the SOEC (1) to a heat exchanger (15), which is configured to heat said return path (4,18) at the cathode (1C) of said solid oxide electrolyser (1).