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CATALYTIC LAYER SLURRY AND PREPARATION METHOD THEREFOR, MEMBRANE ELECTRODE, AND FUEL CELL

Resumen de: WO2026067465A1

A catalytic layer slurry, comprising a platinum on carbon catalyst, a perfluorosulfonic acid resin, a hydrophobic modifier, an alcohol solvent, and deionized water, wherein the hydrophobic modifier is carbon powder having a hydrophobic coating.

MICROPOROUS CATALYTIC LAYER OF FUEL CELL FOR SPACE POWER SUPPLY AND PREPARATION METHOD THEREFOR

Resumen de: WO2026065774A1

A microporous catalytic layer of a fuel cell for a space power supply and a preparation method therefor. A cathode catalyst slurry comprises a Pt/metal oxide catalyst, a perfluorosulfonic acid ionomer, ultrapure water, and isopropyl alcohol; and an anode catalyst slurry comprises an IrO2-Pt/metal oxide catalyst, a perfluorosulfonic acid ionomer, ultrapure water, and isopropyl alcohol. The particle sizes of the Pt/metal oxide catalyst and the IrO2-Pt/metal oxide catalyst in the catalytic layer are in a gradient distribution; and the mass ratio of the perfluorosulfonic acid ionomer to a metal oxide carrier in both the anode catalyst slurry and the cathode catalyst slurry in the catalytic layer is in a gradient distribution, wherein the mass ratio of the perfluorosulfonic acid ionomer to ultrapure water and isopropyl alcohol is unchanged. The microporous catalytic layer of a fuel cell for a space power supply has high catalytic activity and strong durability, and can allow water generated in the catalytic layer to be directionally discharged, thereby enhancing the water management capability of a membrane electrode assembly under a space microgravity condition.

LOW COST METAL ELECTRODES

Resumen de: AU2026201995A1

Systems and methods of the various embodiments may provide metal electrodes for electrochemical cells. In various embodiments, the electrodes may comprise iron. Various methods may enable achieving high surface area with low cost for production of metal electrodes, such as iron electrodes. ar a r

ELECTROLYZER AND METHOD OF USE

Resumen de: US20260092380A1

Provided herein are methods for operating carbon oxide (COx) reduction reactors (CRR) and related apparatus. In some embodiments, the methods involve shutting off, reducing, or otherwise controlling current during various operation stages including hydration, break-in, normal operation, planned shut-offs, and extended shutoff or storage periods.

PULSE CURRENT-ENHANCED MOF-BASED CATALYST, PREPARATION METHOD THEREFOR AND USE THEREOF

Resumen de: WO2026066208A1

The present application relates to the field of catalytic materials for atmospheric pollutant control and discloses a pulse current-enhanced MOF-based catalyst, a preparation method therefor and a use thereof. In the present application, the method comprises: dissolving a copper salt and polyvinylpyrrolidone in a mixed solution of DMF and ethanol, and then adding formic acid; dissolving Cu-TCPP in the mixed solution of DMF and ethanol; then mixing the solutions obtained in the steps above until the solutions are uniformly dispersed, and heating and drying the mixture to obtain PML-Cu; weighing PML-Cu and calcining same in an inert gas to obtain PML-CuNPs; and using a pulse current to treat the PML-CuNPs to obtain Pulse-PML-CuNPs. In the present method, an active center is generated in situ in a two-dimensional MOF-based material Cu-TCPP by means of a node metal in-situ reduction method, and a synthesized two-dimensional MOF-based electrocatalyst PML-CuNPs has a single atomic layer structure and can maximize mass transfer rate. By means of the pulse current method, the present application further changes the surface state of the active center, and changes the surface roughness and valence state of Cu nanoparticles, thereby enhancing the reaction efficiency of electroreduction of CO2 into a multi-carbon product.

ELECTROLYTE MEMBRANE FOR PATTERNED MEMBRANE-ELECTRODE ASSEMBLY AND METHOD FOR PREPARING SAME

Resumen de: US20260094851A1

A hydrocarbon-based ion exchange membrane is hydrated, then compressed with a mesh template to form an embedded pattern on its surface. After dehydration, the template is removed, yielding an electrolyte membrane featuring improved water uptake, ion conductivity, and mechanical properties. The method supports large-area production at about 70° C. to 90° C. under pressures of about 5 MPa to 15 MPa. A catalyst slurry can be applied to the patterned membrane to create a membrane-electrode assembly, enhancing bonding strength and catalyst utilization in electrochemical devices such as fuel cells and water electrolyzers. The resulting membrane has a moisture content of about 60% by weight or more, a Young's modulus of about 100 MPa or less, and a pattern depth of about 40% or greater relative to the template wires.

FUEL CELL BIPOLAR PLATE AND METHOD FOR MANUFACTURING FUEL CELL BIPOLAR PLATE

Resumen de: WO2026070430A1

Provided is a fuel cell bipolar plate in which a cathode separator and an anode separator provided in a power generation unit cell in a fuel cell are joined via an adhesive layer, wherein: the adhesive layer comprises a cured product of an adhesive containing a thermosetting resin; the arithmetic average roughness Ra of the surfaces of the cathode separator and the anode separator in contact with at least the adhesive layer is 1.61-4.05 μm; and the warpage of the cathode separator and the anode separator is less than 5 mm. Said fuel cell bipolar plate has high flexural bonding strength.

Flow Battery Fluid Exchange System and Method

Resumen de: US20260094853A1

A method of refueling a flow battery utilizing the existing system's power source and pumps to pump electrolyte into and out of the system to allow for refueling and routine maintenance and repairs. The flow battery includes a diverter to an external source of electrolyte as well as a tank seal located at the base of either charged tank that is operable to prevent electrolyte from exiting the tanks during refueling operations. The flow battery may also include a liquid detector operable to measure the amount of electrolyte being deposited into the tanks during refueling.

FUEL CELL SYSTEM AND METHOD FOR OPERATING A FUEL CELL SYSTEM

Resumen de: WO2026068050A1

The invention relates to a fuel cell system. The fuel cell system comprises a main fuel cell and a recirculation path. The main fuel cell comprises: an anode inlet through which fuel can flow into the main fuel cell; and an anode outlet from which an anode exhaust gas including unconsumed fuel can flow out. The recirculation path, in which the anode exhaust gas can flow as a recirculate, connects the anode inlet to the anode outlet. The recirculation path comprises an electrochemical filter and a bypass path. The electrochemical filter is designed to extract the unconsumed fuel from the recirculate. The extracted fuel can be recirculated to the anode inlet. The recirculate can be recirculated from the anode outlet to the anode inlet through the bypass path, while bypassing the electrochemical filter. The fuel cell system is designed to operate with a bypass ratio of more than 70 percent. The bypass ratio is defined as a ratio of a portion of the recirculate flowing through the bypass path to a total amount of the recirculate. The invention also relates to a corresponding method for operating a fuel cell system.

COORDINATED OPTIMIZATION METHOD AND SYSTEM FOR HYDROGEN FUEL CELL VEHICLE, DEVICE, AND MEDIUM

Resumen de: US20260091708A1

A coordinated optimization method and system for a hydrogen fuel cell vehicle, a device, and a medium. The method includes: determining a target output voltage and a target output current corresponding to a stack in a hydrogen fuel cell vehicle; determining a sub-stack efficiency score corresponding to one of sub-stacks, and determining a sub-stack stability score corresponding to the sub-stack; obtaining a comprehensive score of the sub-stack efficiency score and the sub-stack stability score, and determining a primary stack and a secondary stack from the sub-stacks according to a comprehensive score result; generating, according to the target output voltage and the target output current, a primary stack output parameter corresponding to the primary stack and a secondary stack output parameter corresponding to the secondary stack; and dynamically adjusting an operating state of the primary stack, and dynamically adjusting an operating state of the secondary stack.

FUEL CELL SEPARATOR MANUFACTURING METHOD AND FUEL CELL SEPARATOR

Resumen de: WO2026070428A1

This fuel cell separator manufacturing method comprises: irradiating, with infrared lasers, the surface of a molded body formed by molding a composition containing a graphite powder and an epoxy resin component containing a main agent, a curing agent, and a curing accelerator to remove the resin on the surface of the molded body; and further performing hydrophilic treatment. The infrared lasers have: a beam quality (M2) of 2.8 or less; a spot diameter of 150-300 μm; and a pulse energy per unit area of 8-50 mJ/mm2. The fuel cell separator manufacturing method is for manufacturing a fuel cell separator having: small warpage after irradiation even when the thin fuel cell separator is irradiated with lasers; low contact resistance and excellent electrical conductivity when laminated; and good hydrophilicity.

燃料電池システム

Resumen de: AU2024234878A1

The invention relates to a fuel cell system consisting of at least - a fuel cell (12), - a coolant circuit (16) having a coolant pump (18) and a heat exchanger (20), - a water separator (34), and - a fan (22), which generates a gaseous medium flow, in particular an air flow, in the direction of the heat exchanger (20), wherein by means of a cooling device, which has a conveying device (46), the water separated in the water separator (34) reaches a discharge device (50) which, by means of spray nozzles (52), sprays the water into the environment, characterised in that by means of the spray nozzles (52), the discharge device (50) sprays the water in a direction opposite the direction of the medium flow generated by the fan (22).

HOLLOW FIBER MEMBRANE MODULE

Resumen de: US20260091358A1

A hollow fiber membrane module including a plurality of hollow fiber membranes, a case, in an accommodation interior of which the plurality of hollow fiber membranes are accommodated, the accommodation interior being open at both ends, and a pair of sealing and fixing portions that seal gaps among the plurality of hollow fiber membranes in a state where each of hollow interiors of the plurality of hollow fiber membranes is open on each of one end side and the other end side of the case, wherein the hollow fiber membrane module further including a holding member provided in the case and configured to hold the plurality of hollow fiber membranes, and the plurality of hollow fiber membranes are fixed to the holding member by the pair of sealing and fixing portions.

MITIGATION OF GREENHOUSE GASES

Resumen de: US20260091352A1

A method of reducing the greenhouse gas impact of livestock farming includes feeding a fuel gas comprising one or more hydrocarbons to an anode of a solid oxide fuel cell stack, withdrawing air, that includes methane originating from livestock, from a livestock housing or enclosure and feeding the withdrawn air to a cathode of the solid oxide fuel cell stack. The oxygen in the air is allowed exothermically to react with the one or more hydrocarbons in the fuel gas to form at the anode a heated first exhaust stream comprising water and carbon dioxide and at the cathode a heated second exhaust stream comprising methane, thereby generating an electrical current from the solid oxide fuel cell stack through an external electrical circuit. At least the heated second exhaust stream is fed to a combustor and combusted, producing a heated tail gas stream.

THERMAL ENERGY STORAGE SYSTEMS FOR USE IN MATERIAL PROCESSING

Resumen de: US20260092542A1

An energy storage system (TES) converts variable renewable electricity (VRE) to continuous heat at over 900° C. Intermittent electrical energy heats a solid medium. Heat from the solid medium is delivered continuously on demand. Heat delivery via flowing gas establishes a thermocline which maintains high outlet temperature throughout discharge. The delivered heat which may be used for processes including power generation and cogeneration. In one application, thermal energy storage systems are used to improve efficiency and reduce carbon emissions associated with processing materials or other industrial applications.

CATALYTIC ELECTRODE FOR FUEL CELL OR ELECTROLYTIC CELL, AND PROCESS FOR MANUFACTURING SAID ELECTRODE

Resumen de: US20260094848A1

A method of preparing an array of vertically aligned carbon nanotubes for use in catalytic electrodes for fuel cell or electrolytic cell, comprising: providing an array of vertically aligned carbon nanotubes obtained by a gas phase growth process in which the precursor of a carbon nanotube growth catalyst is added continuously to the feed gas; and depositing a plurality of platinum nanodots onto the outer surface of said vertically aligned carbon nanotubes by using a gas phase deposition process such as ALD. The ALD process advantageously uses a platinum source gas which is Pt(PF3)4. The nanodots can be protected by nanocaging.

COMPRESSION DEVICE FOR FUEL CELL STACKS

Resumen de: US20260094854A1

A fuel cell stack comprising a compression plate assembly comprising a second end plate having a first planar surface and an opposing second planar surface, wherein the first planar surface is adjacent a fuel cell stack and the second planar surface is adjacent a compression housing, wherein the compression housing comprises: a spring recess and a plurality of discrete grooves on its inner axial surface of the spring recess; a spring assembly in the spring recess; a load disc in the spring recess and in contact with the spring assembly; and a resilient retaining apparatus in the spring recess and in contact with the load disc; wherein the resilient retaining apparatus engages with one of the plurality of discrete grooves and the load disc and the spring assembly are physically separated from the inner axial surface of the spring recess.

COMPOSITIONS AND SYSTEMS FOR ELASTIC TURBULENCE

Resumen de: AU2024340371A1

A fluid composition which is able to exhibit elastic turbulence while pumped through a flow path which compels changes of direction of flow streamlines and comprise a solution of two or more flexible linear polymers in two categories. The first category has an average molecular weight of at least 10 MegaDaltons and the second category has an average molecular weight in a range from 0.25 to 5 MegaDaltons. The concentration of the first polymer is sufficient to enable elastic turbulence with or without the second category. The concentration of the second category is greater than that of the first. When flowing under low shear towards or away from a chamber where the flow path will induce elastic turbulence, the second category polymer reduces elastic instabilities and consequent pressure drop, thereby reducing pumping energy requirement.

FLOWING ELECTROCHEMICAL CELLS

Resumen de: AU2024341296A1

An electrochemical cell wherein electrolyte flows through the cell, as in a redox flow battery or a fuel cell, uses electrolyte(s) which are in a state of elastic turbulence in contact with the electrode(s). The elastic turbulence enhances transport of electrochemically reactive species to the surfaces of the electrode(s) and the transport of reaction products away from those surfaces.

SENSOR DEVICE FOR MONITORING A WATER ELECTROLYSIS INSTALLATION, TO BE PLACED INSIDE A FLUID OF THE WATER ELECTROLYSIS INSTALLATION, RELATED INSTALLATION AND METHOD

Resumen de: US20260092385A1

The sensor device comprises: at least one optical fiber probe having a sensing region; a light source apparatus providing an input light to the optical fiber probe; a processing apparatus for processing an output light emitted by the optical fiber probe after receiving the input light from the light source apparatus; characterized by: a temperature sensor and/or a pressure sensor located in the vicinity of the sensing region to measure a temperature and/or pressure of the fluid in contact with the sensing region, the temperature sensor and/or pressure sensor being connected to the processing apparatus for processing simultaneously the output light and the measured fluid temperature and/or pressure.

ELECTRODE AND ELECTROCHEMICAL CELL

Resumen de: US20260094846A1

An electrochemical cell is disclosed having a porous metal support, a gas transport layer on the porous metal support, and an electrode layer on the gas transport layer. The gas transport layer is electrically conductive and has an open pore structure comprising a pore volume fraction of 20% by volume or higher and wherein the electrode layer has a pore volume fraction lower than the pore volume fraction of the gas transport layer. Also disclosed is a stack of such electrochemical cells and a method of producing such an electrochemical cell.

STATIC ENERGY STORAGE CELL

Resumen de: AU2024337772A1

There is provided herein a static energy storage cell comprising: (i) a first electrode and a second electrode, (ii) an electrolyte system comprising: a a membrane comprising a cross-linked hydrophilic polymer hydrated in an aqueous solution, wherein the membrane is situated between the first electrode and the second electrode, b. a first electrolyte comprising a first species which can undergo a redox reaction at the first electrode, wherein the first electrolyte is situated between the membrane and the first electrode, c. a second electrolyte comprising a second species which can undergo a redox reaction at the second electrode, wherein the second electrolyte is situated between the membrane and the second electrode, wherein the first electrode and the second electrode are carbon electrodes, wherein the first species is a metallic species, and wherein the second species is a halogen species. Method of manufacture of the static energy storage cell is also provided.

METHOD, DEVICE AND SYSTEM FOR MONITORING AN ELECTROCHEMICAL SYSTEM

Resumen de: EP4718091A1

Nach einem Aspekt der Erfindung wird ein Überwachungsmodell zur Überwachung einer elektrochemischen Anlage, insbesondere einer Brennstoffzelle, bereitgestellt. Das Verfahren umfasst ein Erfassen von Betriebsdaten der elektrochemischen Anlage als Trainingsdaten. Das Verfahren umfasst ein Trainieren eines ersten neuronalen Prädiktors basierend auf den Trainingsdaten zum Vorhersagen einer Zellspannung. Der erste neuronale Prädiktor repräsentiert einen stationären Betrieb der elektrochemischen Anlage. Das Verfahren umfasst ein Trainieren eines zweiten neuronale Prädiktors basierend auf den Trainingsdaten zum Vorhersagen eines Alterungseinflusses auf die Zellspannung der elektrochemischen Anlage. Der erste neuronale Prädiktor und/oder der zweite neuronale Prädiktor werden ausgehend von einem jeweiligen Basismodell trainiert. Der erste neuronale Prädiktor und/oder der zweite neuronale Prädiktor sind jeweils eingerichtet, einen Ausgangswert zu erzeugen. Das Verfahren umfasst ferner ein Bereitstellen des Überwachungsmodells, das den ersten neuronale Prädiktor, den zweiten neuronale Prädiktor und eine Verknüpfung derer Ausgangswerte umfasst.

GRID-INTERACTIVE CRYOGENIC ENERGY STORAGE SYSTEMS WITH WASTE COLD RECOVERY CAPABILITIES

Resumen de: EP4718007A2

An energy storage system comprises at least one cryogen storage device that includes a subcooling loop and that is configurable to store a cryogen with or without boil-off losses. The system also comprises a cryoplant configured to interact with a power source and with the subcooling loop of the at least one cryogen storage device. The system also includes a control system configured to control the interaction of the cryoplant with the power source and the at least one cryogen storage device. The control system is configured to control interaction of the cryoplant with the power source and the at least one cryogen storage device according to a plurality of operational modes, including: a cooling mode, a passive storage mode, a fuel cell backup mode, and a liquefaction mode.

Electrochemical fuel conversion system

Nº publicación: GB2644315A 01/04/2026

Solicitante:

CERES POWER LTD [GB]
Ceres Power Limited

Resumen de: GB2644315A

A method of operating an electrochemical fuel conversion system which comprises a plurality of cells arranged in groups and a plurality of switches which are for selectively engaging and disengaging respective cells or groups of cells with a circuit by repetitively and sequentially increasing and then decreasing a number of cells or groups of cells in an oscillatory pattern. The method can be used to engage a first number of cells in series in the circuit when the current is below a first threshold value and engage a larger number of cells in series when the current is above this threshold value. The method can be used in an electrolyser with an AC power supply or in a fuel cell to provide an AC power supply. A duty cycle and/or a pulse-width modulation cycle of a cell or a group of cells can be modified based on their health characteristics. Also a system and controller for performing the method.