Alerta

A METHOD OF CONTROLLING AN ELECTRIC POWER SYSTEM OF A FUEL CELL ELECTRIC VEHICLE

Resumen de: US2025376082A1

A computer implemented method controls an electric power system of a fuel cell electric vehicle (FCEV). The electric power system has a fuel cell and an energy storage system electrically connected to each other. An upcoming position at which the electric power system will assume a low load operation mode is determined, and the electric power system is controlled based on a power distribution scheme to arrive at the upcoming position with a state of charge level of the energy storage system below a predetermined threshold level, whereafter the electric power system is controlled to feed electric power at least to the energy consumer when the electric power system assumes the low load operation mode at the upcoming position.

MOLDING METHOD

Resumen de: US2025375927A1

There is provided a molding method capable of reducing damage or deformation of a base material when a seal member is molded in a direction intersecting an uneven portion of the base material. A molding method includes: a preforming step of injecting a rubber material into a groove 462 at a temperature where the rubber material is not crosslinked, in a cavity plate 410 including the groove 462 into which the rubber material is injected; and a vulcanization molding step of sandwiching a base material 300 between the cavity plate 410 in which the rubber material is injected into the groove 462 and a mold 420, and molding the rubber material onto the base material 300 as a seal member 172 at a temperature where the rubber material is crosslinked. At least a surface 422 of the mold 420 facing a recess 334 and a protrusion 332 of the base material 300 is a flat surface when viewed in a cross-section at a position separated by a predetermined distance from a molding position of the seal member 172 in an X direction substantially orthogonal to a Y direction in which the seal member 172 extends.

THERMOCOUPLE HARNESSES FOR SOLID OXIDE ELECTROCHEMICAL SYSTEMS

Resumen de: US2025377245A1

Hermetic thermocouple harnesses for solid oxide electrochemical systems include a harness having a feedthrough washer including two metal disks with holes circumferentially disposed about the disks and a braze alloy layer between the disks. Thermocouples are fed through the feedthrough washer, and induction brazing is used to seal and bind the disks and the thermocouples together. The feedthrough washer is welded to the base of the hotbox, forming a hermetic seal while allowing the thermocouples to extend between the interior and exterior of the hotbox. A second harness includes a main body, a top tube, and a sealant end having holes. Thermocouples extend from the interior of the hotbox, through the top tube, main body, and through the holes of the sealant to the exterior of the hotbox. Clearance between the thermocouples and their respective holes are closed with glass seals, and the top tube is filled with putty.

HYBRID CERAMIC MEMBRANE FOR WATER ELECTROLYSIS APPLICATION

Resumen de: US2025376777A1

The present invention relates to a method of manufacturing a dense composite polymeric-ceramic membrane, compromising the steps of casting a porous ceramic support layer comprising YSZ and TiO2 flakes, followed by thermal curing and sintering steps, coating the prepared porous ceramic support structure with a thin layer of TiO2 to vary the pore size distribution of the support structure and further densification by using ion selective polymers to reduce gas crossover while maintaining a high enough conductivity.

HIGHLY ALKALI-STABLE POLY(ARYLENE ALKYLENE PIPERIDINIUM) CATIONIC POLYMERS AND PREPARATION METHODS AND APPLICATIONS

Resumen de: US2025376553A1

The present invention relates to the field of cationic polymers, and in particular, to highly alkali-stable poly(arylene alkylene piperidinium) cationic polymers and preparation methods and applications. The preparation method for the highly alkali-stable poly(arylene alkylene piperidinium) cationic polymers includes the following steps: performing catalytic polycondensation on 1-R6-piperidine-3-carboxaldehyde or a salt or hydrate thereof and an aromatic compound to obtain a polymer having a piperidine moiety; and then further subjecting the polymer to a quaternization reaction to obtain the poly(arylene alkylene piperidinium) cationic polymer. The anion exchange membranes prepared from the piperidinium-based cationic polymers have ultra-high alkaline stability and excellent mechanical properties and ionic conductivities, and can be applied to the fields of electrochemical energy conversion such as fuel cells, hydrogen production by water electrolysis, electrochemical reduction of carbon dioxide, flow batteries, and fields of separation such as electrodialysis and water treatment.

ELECTROCHEMICAL CELLS WITH SUPPORT FIBER MATS AND MANUFACTURING METHODS THEREOF

Resumen de: US2025379237A1

An electrochemical cell includes an anode support, an anode electrode disposed on the anode support, an electrolyte layer disposed on the anode electrode, and a cathode electrode disposed on the electrolyte layer. The anode support includes a mat of ceramic support fibers and a cermet matrix including a nickel phase and a ceramic phase embedded in the mat.

MEMBRANE STACK AND HUMIDIFIER COMPRISING A MEMBRANE STACK AND A METHOD FOR MANUFACTURING THE MEMBRANE STACK

Resumen de: US2025379243A1

A membrane stack for a fuel cell humidifier includes water vapor-permeable, airtight membranes spaced apart in a stack with alternating first and second spacers. The stack enables cross-flow of humid exhaust and dry supply air. Each first spacer is separated from the adjacent membrane by a protective layer, with both connected in a direct, material-locking manner.

THERMAL MANAGEMENT SYSTEM FOR A FUEL CELL ELECTRIC VEHICLE AND A METHOD FOR CONTROLLING SAME

Resumen de: US2025379244A1

A thermal management control apparatus for a fuel cell electric vehicle includes: a stack cooling line configured to cool a fuel cell stack of the fuel cell electric vehicle; a battery cooling line configured to cool a battery of the fuel cell electric vehicle; a valve configured to control an inflow of the stack coolant; and a control apparatus configured to diagnose whether a component of the valve or the battery cooling line has failed based on the battery having overheated, and configured to cool the battery based on a failure of the valve or a component failure of the battery cooling line having occurred.

MULTILAYERED ANION EXCHANGE MEMBRANE WITH ENHANCED INTERFACE PROPERTIES FOR ELECTROCHEMICAL DEVICES

Resumen de: US2025379247A1

The present disclosure pertains to a multilayered membrane, such as an anion exchange membrane (AEM), optimized for use in various electrochemical devices. The AEM features a unique multilayered structure comprising a core layer and one or more surface layers, each designed to enhance the interface with the catalyst layer. The surface layers are distinguished by their different water uptake capacity, and increased adhesiveness, and better chemical stability compared to the core layer, attributes that are critical for improving ion transport and membrane performance. The surface layers also exhibit a lower degree of cross-linking and a higher ion exchange capacity (IEC) than the core layer. The versatile construction of the AEM allows for configurations tailored to specific applications, including electrolyzers, fuel cells, and reversible fuel cells. This disclosure promises significant advancements in electrochemical device technology, contributing to the development of efficient and sustainable energy solutions.

FUEL CELL SYSTEM COMPRISING A TEMPERATURE-CONTROLLED HUMIDIFIER AND HUMIDIFICATION CONTROL METHOD

Resumen de: WO2025253057A1

The present invention relates to a fuel cell system for a vehicle, which fuel cell system comprises a temperature control system comprising at least a first and a second heat-transfer fluid loops (5, 6, 7) intended for controlling the temperature of systems of the vehicle, and fluid control means (801, 802, 803), the system comprising a third fluid loop (8) fluidly connected to condensers (131, 221), and wherein the fluid control means (801, 802, 803) are capable of regulating the flow rate and the temperature of the heat-transfer fluid of the third fluid loop (8) according to the flow rate and temperature of the heat-transfer fluid of the first and second fluid loops (5, 6, 7) and according to a condensation requirement of each condenser (131, 221).

ELECTROCHEMICAL CELL

Resumen de: WO2025253125A1

An electrochemical cell comprising a first electrolyte layer comprising a material having a composition Ce(1-x) LnxO(2-0.5x-δ). Ln is selected from at least one rare earth metal excluding Ce, 0.22 ≤ x ≤ 0.45, and δ is the degree of oxygen deficiency.

SYSTEM FOR TREATING GASES LADEN WITH CARBON DIOXIDE EMITTED BY A CONSUMER

Resumen de: WO2025253063A1

The present invention relates to a system (1) for treating gases laden with carbon dioxide emitted by a consumer, comprising a tank (10) for storing liquefied natural gas, a consumer configured to be supplied with a fuel produced from liquefied natural gas stored in the storage tank (10), a device (18) for compressing the gases laden with carbon dioxide, a device (22) for drying these gases laden with carbon dioxide, a device (28) for condensing the carbon dioxide present in the gases laden with carbon dioxide, and a device (30, 32) for separating the carbon dioxide present in the gases emitted by the consumer, the condensation device (28) being arranged between the drying device (22) and the separation device (30, 32).

FUEL CELL VEHICLE AND A POWER MODULE FOR USE IN THE FUEL CELL VEHICLE

Resumen de: WO2025253340A1

A fuel cell power module (1) for a fuel cell vehicle comprises a fuel cell stack arrangement (11) including a fuel cell stack (111), a hydrogen supply system (113), an oxidant supply system (114), and a cooling system (115). A hydrogen refuelling arrangement (12) includes a refuelling connector (121). A hydrogen storage arrangement (15) operates at a pressure below 100 bar and comprises metal hydride containers (151) with metal hydride material (1511), a hydrogen input/output pipeline (1512), and a heating and cooling arrangement (1513). A buffer hydrogen pressure cylinder (152) is connected via a check valve and a remotely operable isolating valve (1534). A cooling supply system (165) is provided for the metal hydride containers. A heat management system (16) comprises a first heat exchanger (161), a second heat exchanger (162), and a flow switching arrangement (164) to selectively thermally couple the metal hydride containers to either the fuel cell cooling system or the cooling supply system.

PLATE-SHAPED STRUCTURE FOR A FUEL CELL, STACK OF PLATE-SHAPED STRUCTURES AND METHOD

Resumen de: WO2025252605A1

A plate-shaped structure, for example a bipolar plate, for a fuel cell has: a flow field; inlet openings and outlet openings for an anode gas and/or a cathode gas and/or a coolant; and a plurality of recesses in at least one first main surface of the plate-shaped structure, said recesses being designed - to counteract a slipping of the plate-shaped structure relative to another plate-shaped structure when the plate-shaped structure and the other plate-shaped structure are stacked on top of one another and/or - to receive a filling material in order to counteract a slipping of the plate-shaped structure relative to another plate-shaped structure and/or in order to keep the plate-shaped structure and the other plate-shaped structure spaced apart when the plate-shaped structure and the other plate-shaped structure are stacked on top of one another.

SILENCER FOR AN EXHAUST GAS SECTION OF A FUEL CELL SYSTEM

Resumen de: WO2025252959A1

The invention relates to a silencer having a cavity (10) at least partially delimited by a housing (13), a silencing device (20), arranged within the cavity (10), for reducing noise of the exhaust gas flow (S), and a water separation device (30), arranged within the cavity (10) upstream of the silencing device (20), for separating water from the exhaust gas flow (S). A flow guiding device (23) that is arranged in a silencing chamber (21) has an expansion element (231) for radially expanding at least part of the exhaust gas flow (S) flowing through the inlet opening (211) and forms a return flow channel (230), within which a flow path for the exhaust gas flow (S) is provided, the flow direction (SR) of which runs counter to the main flow direction (R).

ELECTROCHEMICAL DEVICE AND METHOD FOR PRODUCING AN ELECTROCHEMICAL DEVICE

Resumen de: WO2025252554A1

In order to provide an electrochemical device comprising multiple electrochemical units which follow one another along a stacking direction and each comprise at least one perforated plate, a bipolar plate and a membrane arrangement, which electrochemical device easily allows for precise positioning of the membrane arrangement of one electrochemical unit relative to a further, at least partially metallic element of the same electrochemical unit and/or relative to an at least partially metallic element of another electrochemical unit during the assembly of the electrochemical device, according to the invention, each electrochemical unit comprises a positioning means for positioning the membrane arrangement in at least one transverse direction, orientated perpendicular to the stacking direction, relative to a further, at least partially metallic element of the same electrochemical unit and/or relative to an at least partially metallic element of another electrochemical unit.

POLYMER ELECTROLYTE MEMBRANE FUEL CELL, METHOD FOR PRODUCING A DIFFUSION LAYER, DIFFUSION LAYER AND USE OF A DIFFUSION LAYER

Resumen de: WO2025252521A1

A polymer polymer electrolyte membrane fuel cell comprising a membrane-electrode assembly having an anode, a cathode and a polymer electrolyte membrane present between the anode and cathode, wherein a water-retaining diffusion layer is provided on the anode and a water-removing diffusion layer is provided on the cathode, which are designed in such a way that, during intended operation of the fuel cell, water produced in the cathode is removed by the water-removing diffusion layer, and a gas supply of hydrogen to the anode takes place via the water-retaining diffusion layer, wherein the hydrogen in the anode is split into protons and electrons and the protons are passed through an ionomer matrix included in the membrane-electrode assembly in a reaction direction, and the water-retaining diffusion layer has water-retaining properties such that, when the fuel cell is operating as intended, water is retained at least in the anode to provide humidification of the ionomer matrix and associated enhanced proton conduction, such that, in comparison to having a diffusion layer on the anode that is identical to the water-removing diffusion layer of the cathode, the fuel cell has at least one performance improvement measured on a polarization curve and preferably the performance improvement increases with increasing current density, wherein the ionomer matrix contains hydrocarbon ionomers.

POWER GENERATING SYSTEM COMPRISING AN HYDROGEN SUPPLY SYSTEM

Resumen de: WO2025252739A1

A hydrogen supply system (100) for a power generating system (200, 300) is described. The power generating system comprises an intake manifold (220) and a turbocharging system (240) for supplying charged air to the intake manifold (220). The hydrogen supply system (100) comprises a reformer device (110) comprising a reformer (111), the reformer device (110) configured to supply a power generator (201, 301) with hydrogen. Further described herein is a power generating system (200, 300) comprising the hydrogen supply system and a turbocharging system.

DEVICE AND METHOD FOR PROCESSING GASES CONTAINING HELIUM AND HYDROGEN

Resumen de: WO2025252277A1

The invention relates to a device for processing gases containing helium and hydrogen, comprising - a stacked gas separation device (2) which comprises a plurality of proton-permeable membranes (13) and which is designed as an electrochemical hydrogen pump provided for separating helium from a gas mixture, - a likewise stacked fuel cell (6) which is connected to the gas separation device (2), - a gas treatment system (10) which is designed to separate gas containing helium and hydrogen and which is electrically connected to the fuel cell (6) and fluidically connected to the gas separation device (2).

OPTIMIZED ARRANGEMENT OF THE FLUID CHANNELS OF INTERCONNECTORS FOR AN ELECTROCHEMICAL DEVICE

Resumen de: WO2025252401A1

The invention relates to a high-temperature electrolyser comprising corrugated interconnectors (4) arranged to improve the operation of the electrolyser and to an assembly (E1) for an electrochemical device (1), the assembly (E1) comprising an electrochemical cell (3), a first interconnector (4) and a second interconnector (4), the first interconnector and the second interconnector each having a surface (21, 22) which forms alternating concave parts (21A, 22A) and convex parts (21B, 22B), the first interconnector (4) forming first channels (62) which are each delimited by a respective one of the concave parts (21A) of the surface (21) of the first interconnector (4) and are arranged facing a first side of the electrochemical cell (3), the second interconnector (4) forming second channels (60) which are each delimited by a respective one of the concave parts (22A) of the surface (22) of the second interconnector (4) and are arranged facing a second side of the electrochemical cell (3).

A METHOD OF PRODUCTION OF LAYERED COMPOSITE MATERIAL PACKS FOR USE AS AN ELECTRODE BY A MATERIAL BONDING PROCESS

Resumen de: WO2025252384A1

A method of production of layered composite material packs for use as an electrode by a material bonding process, comprises: stacking multiple material layers to be bonded forming a pack, assembling several packs for forming a stack, with placing inert interface plates between adjacent packs (3) to separate the packs by the inert interface plates, placing inert interface plates on top and bottom of the stack, placing the stack in between a top and a bottom plate and connecting the top and bottom plates with constraining fixtures for forming a rack, whereas the material of the constraining fixtures is so chosen that their thermal expansion coefficient is smaller than a value of thermal expansion for the total of the stack, pressing towards each other the top and bottom plates to apply an initial pressing force, placing the rack into a furnace, heating up the furnace to a bonding temperature with a heating rate between 0.1K/min and 35K/min and applying a connecting pressure due to the difference in thermal expansion coefficients of the stack material and the constraining fixtures, holding the bonding temperature for a predetermined time to form a bond via material diffusion in between the material layers, cooling down the furnace, disassembling the stack and removing the bonded packs.

LAMINATION SYSTEM AND METHOD FOR LAMINATING PLANAR ELEMENTS WITH A WEB MATERIAL

Resumen de: WO2025252357A1

A lamination system has a conveyor which is configured to convey a web material with a plurality of planar elements arranged thereon, and has a laminating device. The laminating device has a first pair of laminating rollers and a second pair of laminating rollers, each of which is designed to laminate the planar elements arranged on the web material with the web material. The first pair of laminating rollers is designed to exert, in cooperation, a contact pressure on the web material and on a first planar element arranged thereon during a first time period and to release the contact pressure exerted during the first time period during a second time period. The second pair of laminating rollers is designed to exert, in cooperation, a contact pressure on the web material and on a second planar element arranged thereon during the first time period and to release the contact pressure exerted during the first time period during the second time period.

Kopplungsanordnung für ein Brennstoffzellensystem für ein Fahrzeug, insbesondere Nutzfahrzeug, Brennstoffzellensystem und Fahrzeug

Resumen de: DE102024116286A1

Kopplungsanordnung (280) für ein Brennstoffzellensystem (205) für ein Fahrzeug (200a), insbesondere Nutzfahrzeug (200b), wobei das Brennstoffzellensystem (205) eine mit einer ersten Welle (217a) antreibbare erste BOP-Komponente (215a) aufweist und das Fahrzeug (200a), insbesondere Nutzfahrzeug (200b), eine mit einer von der ersten Welle (217a) verschiedenen zweiten Welle (222a) antreibbare zweite Komponente (220a) aufweist; wobei die Kopplungsanordnung (280) dazu eingerichtet ist, bei einer ersten Rotationsbewegung (R1) von der ersten Wellen (217a) der BOP-Komponente (215a) eine zweite Rotationsbewegung (R2) von der zweiten Welle (222a) der zweiten Komponente (220a) zu bewirken.

Vorrichtung zum Verbinden einer ersten Bipolarplattenlage mit einer zweiten Bipolarplattenlage zu einer Bipolarplatte

Resumen de: DE102024115833A1

Um eine Vorrichtung zum Herstellen einer Bipolarplatte aus zwei Bipolarplattenlagen derart zu verbessern, dass die Herstellung der Bipolarplatte mit optimaler Ausrichtung der ersten Bipolarplattenlage zur zweiten Bipolarplattenlage erfolgen kann, wird vorgeschlagen, dass für jede herzustellende Verbindungsnaht (62, 112, 114, 116, 118, 122, 124) der entsprechende Nahtbereich (61, 111, 113, 115, 117, 121, 123) von einer dem Basis (134) abgewandten Seite des mindestens einen Niederhalteelements (142, 152, 252, 352) oder bei mehreren Niederhalteelementen der Gesamtheit der Niederhalteelemente (142, 152, 252, 352) vollständig über dessen gesamte Längsausdehnung zugänglich ist.

Brennstoffzellensystem für ein Fahrzeug

Nº publicación: DE102024115774A1 11/12/2025

Solicitante:

SCHAEFFLER TECHNOLOGIES AG [DE]
Schaeffler Technologies AG & Co. KG

Resumen de: DE102024115774A1

Die Erfindung betrifft ein Brennstoffzellensystem für ein Fahrzeug, mit mehreren in einem Gehäuse (1) in einem Brennstoffzellenstapel (2) angeordneten Brennstoffzellen (3), dadurch gekennzeichnet, dass zur Vermeidung von Kondensation von Luftfeuchte im Brennstoffzellenstapel (2) aus einem zum Spülen des Gehäuses (1) eingeleiteten Spülluftstrom (5) Trennmittel (8) im Gehäuse (1) vorgesehen sind, durch die der Spülluftstrom (5) im Gehäuse (1) vom Brennstoffzellenstapel (2) getrennt geführt ist und die für aufgrund von Leckagen aus dem Brennstoffzellenstapel (2) austretendes Brennstoffgas (7) durchlässig sind, wobei Letzteres mit dem Spülluftstrom (5) aus dem Gehäuse (1) ausleitbar ist.