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COMPOSITE FILM OF POLYETHERSULFONE AND OF PARTICLES OF ZIRCONIUM OXIDE OF FORMULA ZRO2, AND USE THEREOF AS ION-CONDUCTING MEMBRANE

Resumen de: WO2025098984A1

The invention relates to a composite film of polyethersulfone, poly(oxy-1,4-phenylenesulfonyl-1,4-phenylene), and of particles of zirconium oxide of formula ZrO2, wherein the content of the zirconium oxide particles in the composite film is greater than 40% by mass of the mass of the composite film. After having been impregnated with an aqueous solution, the composite film can be used as an ion-conducting membrane, in particular hydroxide anion-conducting or proton-conducting membrane, in a fuel cell or an electrolyzer.

METHOD FOR THE EXTRACTION AND USE OF OXYGEN FROM AN AQUEOUS MEDIUM

Resumen de: WO2025099081A1

The present invention relates to a method for the extraction of oxygen from an aqueous medium, the method comprising the following steps: - providing an oxygen-permeable extraction membrane (18); then - bringing a first aqueous medium (14) containing oxygen (12) into contact with a first face (20) of the membrane; - bringing a second aqueous medium (16) comprising a carrier compound (30) into contact with a second face (22) of the membrane; - diffusing the oxygen from the first aqueous medium into the second aqueous medium through the membrane (18); and forming a complex compound (32) by binding the oxygen (12) to the carrier compound (30). The carrier compound (30) is an organic molecule selected from among an annelid globin, an annelid globin protomer, and an annelid extracellular hemoglobin.

METHOD FOR PRODUCING A MEMBRANE-ELECTRODE UNIT FOR AN ELECTROCHEMICAL CELL

Resumen de: WO2025098719A1

The invention relates to a method for producing a membrane-electrode unit (1) for an electrochemical cell (100), comprising the following method steps: • providing a membrane (2) coated with electrodes (3, 4), • providing a first film (11) and a second film (12), wherein the two films (11, 12) each have a cut-out for the active region (35) of the electrochemical cell (100), wherein at least one of the two films (11, 12) is provided with an adhesive (13), • laminating the electrode (3, 4)-coated membrane (2) between the two films (11, 12), wherein in an adhesion region (23) the two films (11, 12) are directly adhesively bonded to one another by means of the adhesive (13) such that the two films (11, 12) form a frame structure (10) for the membrane-electrode unit (1), • punching at least one media connection (30) from the frame structure (10) and simultaneously melting the two films (11, 12) in a connection region (15) over at least a partial periphery (33) of the media connection (30).

USE OF A LEAF STRUCTURE, ELECTRIC CELL, AND METHOD

Resumen de: WO2025098711A1

According to various embodiments, a leaf structure (10) of organic origin is used to form a separator (106) of an electric cell (100a, 100b).

STACK OF FUEL CELL UNITS AND FUEL CELL COMPRISING SUCH A STACK

Resumen de: WO2025098669A1

The invention relates to an assembly (1) comprising a stack of a plurality of fuel cell units, each comprising an anode plate (10) and a cathode plate (20), each of which comprises a reactive face and a cooling face, wherein the reactive face is provided with raised and recessed regions forming a reactant circuit that comprises a plurality of first cavities (51, 52), wherein the cooling face forms a cooling circuit that comprises a plurality of second cavities (55), wherein each plate (10, 20) comprises a third cavity (53, 54) for accommodating a seal, and wherein each plate (10, 20) is configured so that the mean depth (P1, P2, P3, P4, P5) of all the cavities is equal.

FUEL ELECTRODE SUPPORTED SOLID OXIDE CELL AND ITS METHOD

Resumen de: WO2025099353A1

An object of the invention is a fuel electrode supported solid oxide cell comprising a fuel electrode (104) including fuel electrode support (110) being porous and electronically conductive, an oxygen electrode (100), and an electrolyte element (102) between the fuel electrode and the oxygen electrode. The fuel electrode supported solid oxide cell comprises at least tri- composite fuel electrode support (110) comprising ferroelastic material added to electrically conducting material and structural support material composite to increase at least one of flexural strength, compressive strength, and fracture toughness of the fuel electrode supported solid oxide structure, the ferroelastic material being chemically compatible in oxidizing environment with electrically conducting material and structural support material at the manufacturing temperatures of a solid oxide cell.

ELECTROCHEMICAL CELL ASSEMBLY

Resumen de: WO2025098597A1

The invention relates to an electrochemical cell assembly (10), comprising a first end plate (12), a second end plate and a stack (16) of cell units (18), wherein each cell unit defines an external perimeter, a housing (42) surrounding the stack to define or enclose a fluid volume (48), at least one electrically insulating member (98) being located between the housing and the external perimeters of the cell units and a positioning device (100) for the at least one electrically insulating member, comprising at least one positioning member (106) protruding from either the housing or one of the end plates into the fluid volume, wherein the at least one positioning member has a positioning surface interacting with the electrically insulating member for positioning the electrically insulating member relative to the housing and/or the end plates. The invention also relates to methods of manufacturing an electrochemical cell assembly.

ELECTROCHEMICAL CELL ASSEMBLY

Resumen de: WO2025098587A1

The invention relates to an electrochemical cell assembly (10), comprising an end plate assembly (12) and a stack (16) of cell units (18) comprising a plurality of cell units stacked upon one another along a stacking direction (20), wherein an internal fluid channel (22) is provided in the cell assembly for supplying fluid to each of the cell units, said fluid channel has a manifold section (36) extending through or along the stack of cell units in stacking direction and a supply section (38) adjoining said manifold section and being upstream of the manifold section, a cross-sectional area (42) of the supply section is at least locally smaller than a cross-sectional area (46) at an upstream end (44) of the manifold section (36).

Kontrollverfahren für eine Kontrolle einer kurzfristigen Lasterhöhung eines Brennstoffzellensystems

Resumen de: AT527709A1

Die vorliegende Erfindung betrifft ein Kontrollverfahren für eine Kontrolle einer kurz- fristigen Lasterhöhung eines Brennstoffzellensystems (100) mit wenigstens einem Brennstoffzellenstapel (110), wobei die folgenden Schritte vorgesehen sind: ‐ Betreiben einer Kompressorvorrichtung (136) in einem Kathodenzuführab- schnitt (132) des wenigstens einen Brennstoffzellenstapels (110) mit einer Reservedrehzahl (RD) zur Erzeugung eines Reservemassenstroms (RM) an Kathodenzuführgas (KZG), wobei der Reservemassenstrom (RM) um einen Differenzmassenstrom (DM) größer als ein für die aktuelle Lastanforderung (LA) benötigter Sollmassenstrom (SM) des Kathodenzuführgases (KZG) ist, ‐ Führen des Differenzmassenstroms (DM) über ein wenigstens teilweise geöffnetes Kathodenbypassventil (142) in einem Kathodenbypassabschnitt (140) zwischen einem Kathodenzuführabschnitt (132) und einem Kathodenabführabschnitt (134) des Brennstoffzellensystems (100) zum Erzeugen eines Kathodenbypass-Massenstroms (KBM) an Kathodenzuführgas (KZG) an dem wenigstens einen Brennstoffzellenstapel (100) vorbei, ‐ Erfassen einer kurzfristigen, erhöhten Lastanforderung (LA) für das Brennstoffzellensystem (100), ‐ Bestimmen des für die erfasste erhöhte Lastanforderung (LA) notwendigen erhöhten Sollmassenstroms (SM), ‐ Zumindest teilweises Schließen des Kathodenbypassventils (142) zum redu- zieren des Kathodenbypass-Massenstroms (KBM) zum Erzielen des erhöhten Sollmassenstroms (SM).

ELECTROCHEMICAL CELL ASSEMBLY

Resumen de: WO2025098588A1

The invention relates to an electrochemical cell assembly (10) comprising a stack of cell units (18), wherein each cell unit extends in a first direction (22) and in a second direction (24) perpendicular to the first direction and defines an external perimeter (26), a housing (42) surrounding the stack to define or enclose a fluid volume (48), a fluid inlet port (50) and a fluid outlet port (52), wherein the housing and the external perimeters of the cell units are separated by a gap (60) forming a fluid bypass (62) for fluid to bypass the stack, an electrically insulating board (64) located in said gap, and a sealing device (100) interacting with the electrically insulating board to reduce or prevent fluid flow along the fluid bypass provided by said gap.

Kontrollverfahren für eine Kontrolle einer kurzfristigen Lastreduktion eines Brennstoffzellensystems

Resumen de: AT527712A1

Die vorliegende Erfindung betrifft ein Kontrollverfahren für eine Kontrolle einer kurz- fristigen Lastreduktion eines Brennstoffzellensystems (100) mit wenigstens einem Brennstoffzellenstapel (110), wobei die folgenden Schritte vorgesehen sind: ‐ Erfassen einer kurzfristigen, reduzierten Lastanforderung (LA) für das Brennstoffzellensystem (100), ‐ Zumindest teilweises Öffnen eines Kathodenbypassventils (142) in einem Kathodenbypassabschnitt (140) zwischen einem Kathodenzuführabschnitt (132) und einem Kathodenabführabschnitt (134) des Brennstoffzellensystems (100) zum Erzeugen eines Kathodenbypass-Massenstroms (KBM) an Kathodenzu- führgas (KZG) an dem wenigstens einen Brennstoffzellenstapel (100) vorbei.

DUAL PURPOSE ENERGY PLANT HAVING A FUEL CELL SYSTEM

Resumen de: WO2025099643A1

A system for generating electricity with reduced or negative carbon emissions includes a power plant section having an electricity generating unit that includes a solid oxide fuel cell (SOFC) system. The SOFC system includes a SOFC fuel cell reactor and a combustor with an energy exchange path. The combustor is coupled to the fuel cell reactor to combust unutilized fuel. The system also includes a direct air capture (DAC) section having a carbon dioxide (CO2) adsorption device having a CO2 adsorbent material and a ventilator electrically coupled to the electric generator for flowing ambient air through the CO2 adsorption device in a carbon capture mode. The CO2 adsorption device is coupled to and in energy communication with the energy exchange path for releasing adsorbed CO2 in a carbon release mode.

FUNCTIONALISED FLUORINATED POLYMER AND METHOD FOR PREPARING SAME

Resumen de: WO2025099382A1

The present invention relates to a polymer P1 comprising residues of a fluorinated monomer and a segment containing a -PO2X group. The present invention also relates to a method for preparing the polymer and its use in a separator or as an electrode binder in electrochemical devices.

HYBRID ELECTROCHEMICAL METHOD AND SYSTEM FOR SYNGAS PRODUCTION

Resumen de: WO2025101433A1

A syngas generation system includes a molten carbonate fuel cell (MCFC) including a MCFC cathode configured to receive a MCFC cathode input stream including a flue gas stream and a MCFC anode configured to output a MCFC anode exhaust stream including carbon dioxide and steam. The syngas generation system further includes a solid oxide electrolysis cell (SOEC) including an SOEC cathode and an SOEC anode. The SOEC is configured to receive, at the SOEC cathode, an SOEC cathode input stream, the SOEC cathode input stream including at least a portion of the MCFC anode exhaust stream, co-electrolyze carbon dioxide and steam in the SOEC cathode input stream, and output, from the SOEC cathode, an SOEC cathode exhaust stream including carbon monoxide and hydrogen gas.

APPARATUS AND METHOD FOR PROCESSING GASES

Resumen de: WO2025099103A1

The present invention relates to an apparatus and a method for processing gases.

APPARATUS AND METHOD FOR PROCESSING GASES

Resumen de: WO2025099102A1

The present invention relates to an apparatus and a method for processing gases.

RECIRCULATION DELIVERY UNIT FOR FUEL CELL

Resumen de: WO2025099686A1

A recirculation delivery unit includes a pump and an ejector disposed within a common housing. The ejector path is disposed between the pump path and a motor operating the pump. The pump and the ejector may have a common inlet into the housing and/or a common outlet out of the housing. Fluid passing through the pump may be combined with fluid passing through the ejector before leaving the housing. A heater may be disposed within the ejector to provide de-icing and/or inhibit ice formation.

BIPOLAR PLATE ASSEMBLY AND ELECTROCHEMICAL UNIT

Resumen de: WO2025098915A1

The aim of the invention is to provide a bipolar plate assembly for an electrochemical unit, said bipolar plate assembly allowing an optimized feed and/or discharge of a fluid medium to and/or from a membrane-electrode unit. This is achieved in that at least two bipolar plates are provided which are arranged in a stack and by means of which a plurality of flow channels for a fluid medium are formed, wherein the flow channels are delimited by webs at least in some regions, and the webs are designed such that the flow channels have expanded regions and narrow regions in an alternating manner in the flow direction. The expanded regions and/or narrow regions of one bipolar plate and the expanded regions and/or narrow regions of the adjacent bipolar plate are arranged in an offset manner relative to one another along the flow direction of the flow channels and/or have a different extension length and/or extension width along the flow direction of the flow channels.

BIPOLAR PLATE ASSEMBLY AND ELECTROCHEMICAL UNIT

Resumen de: WO2025098913A1

The aim of the invention is to provide a bipolar plate assembly for an electrochemical unit, said bipolar plate assembly allowing an optimized feed and/or discharge of a fluid medium to and/or from a membrane-electrode unit. This is achieved in that at least two bipolar plates are provided which are arranged in a stack and by means of which a plurality of flow channels for a fluid medium are formed, wherein the flow channels are delimited by webs at least in some regions, and the webs are designed such that the at least two adjacent bipolar plates are supported against each other at least partly via the webs. A gas diffusion layer is provided which is arranged between the at least two bipolar plates, said gas diffusion layer comprising at least one section which has a thickness that deviates from the base thickness of the gas diffusion layer, and at least one depression is provided on the upper face of the webs in order to receive the gas diffusion layer section which deviates from the base thickness.

APPARATUS AND METHOD FOR PROCESSING GASES

Resumen de: WO2025099101A1

The present invention relates to an apparatus and a method for processing gases.

IMPROVED FUEL CELL SYSTEM

Resumen de: WO2025099222A1

The invention relates to an assembly (24) formed by an air transport circuit (21) and a device (23) for thermally regulating the air transport circuit (21) for a fuel cell stack (6), the thermal-regulation device (23) comprising a heat exchanger (4) mounted on the upstream air duct (21A) in order to regulate the air temperature therein and supplied with heat-transfer fluid by a distribution element (8) selectively mixing the streams of heat-transfer fluid from the heat-transfer fluid inlet duct (25A) leading from the outlet of another heat exchanger (9) into the fuel cell stack (6), and from the heat-transfer fluid outlet duct (25B) leading out of the fuel cell stack (6) in order to control the air temperature in the upstream air duct (21A).

HYBRID SYSTEM

Resumen de: WO2025099192A1

The invention concerns a hybrid system (1), comprising at least: a body; a hydrogen fuel cell (20); a battery pack (40) electrically connected to the hydrogen fuel cell (20); a heat-regulating assembly (50) comprising a FC cooling system (60) for the hydrogen fuel cell (20) and a BP cooling system (70) for the battery pack (40); and an electronic control system (90); wherein the hybrid system (1) further comprises solar panels (30) electrically connected to the battery pack (40).

CONTROL METHOD FOR CONTROLLING A BRIEF POWER REDUCTION OF A FUEL CELL SYSTEM

Resumen de: WO2025097193A1

The invention relates to an control method for controlling a brief power reduction of a fuel cell system (100) comprising at least one fuel cell stack (110), having the following steps: - detecting a brief reduced load request (LA) for the fuel cell system (100), and - at least partly opening a cathode bypass valve (142) in a cathode bypass section (140) between a cathode supply section (132) and a cathode discharge section (134) of the fuel cell system (100) in order to produce a cathode bypass mass flow (KBM) of cathode supply gas (KZG) bypassing the at least one fuel cell stack (100).

LAMINATE AND ROLL BODY

Resumen de: US2025153457A1

Provided is a laminate which is excellent in adhesion between a releasing layer and a solid polymer electrolyte membrane and is excellent in stability of unwinding from its wound roll. A laminate includes: a removable base material having a support and a releasing layer; and a solid polymer electrolyte membrane arranged on the releasing layer of the removable base material, wherein the solid polymer electrolyte membrane includes a fluorinated polymer having ion exchange groups and a woven fabric.

HYDROGEN STORAGE AND SUPPLY DEVICE AND CORRESPONDING ASSEMBLY

Nº publicación: US2025155086A1 15/05/2025

Solicitante:

FAURECIA HYDROGEN SOLUTIONS FRANCE [FR]
Faurecia Hydrogen Solutions France

Resumen de: US2025155086A1

A hydrogen storage and supply device comprises an internal reservoir which internally delimits a storage volume and an external reservoir, wherein an intermediate space separates the internal reservoir from the external reservoir. A heat exchanger has a hydrogen circulation side provided with a hydrogen inlet; and a conduit supplies the heat exchanger with hydrogen. An external conduit is received in the intermediate space. The external conduit has: an intermediate volume; an upstream section having an upstream upper end passing through the internal reservoir and fluidically connected to the storage volume, and an upstream lower end connected to the intermediate volume; and a downstream section connected to the intermediate volume and having a downstream upper end connected to the hydrogen inlet. The downstream upper end is located at a first elevation, the upstream upper end is located at a second elevation, and the intermediate volume is located at a third elevation, lower than the first and second elevations.