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SYSTEMS AND METHODS OF ACCELERATING FUEL CELL START-UP AND WARM-UP TIMES

Resumen de: WO2025106178A1

Provided herein are systems and methods for accelerating fuel cell start-up and warm-up times. A control system may detect a warm-up condition of the fuel cell; and activate a compressor to supply compressed heated air to a coolant circuit of the fuel cell during the warm-up condition.

SEALED MEMBRANE ELECTRODE ASSEMBLY

Resumen de: WO2025103713A1

The invention relates to a membrane electrode assembly (MEA) comprising a membrane (4) arranged between two electrodes and made of a polymer ion-conducting material, and a flat sealing element (5) surrounding an outer peripheral edge and embedded in the membrane (4) at least in an edge region, wherein the sealing element (5) is designed such that it is anchored in the membrane (4) by means of an integral bond. Furthermore, a method for manufacturing such an MEA (10) is described.

MEMBRANE ELECTRODE ASSEMBLY COMPRISING A PLANAR REINFORCEMENT COMPONENT

Resumen de: WO2025103704A1

The invention relates to a membrane electrode assembly (MEA) comprising: a membrane (4) that is made of a polymeric ion-conducting material and is arranged between two electrodes; and at least one planar reinforcement component in the layered structure, wherein, according to the invention, the at least one planar reinforcement component comprises a perforated layer (5) made of a reinforcement material. The invention also relates to a method for manufacturing such an MEA.

Verfahren zur Überprüfung der Dichtheit sowie Diagnose eines Absperrmittels bei einem Luftsystem eines Brennstoffzellensystems

Resumen de: DE102023211517A1

Die Erfindung betrifft ein Verfahren zur Überprüfung der Dichtheit sowie Diagnose mindestens eines im einen Luftkompressor (10) umfassenden Luftsystem (5) eines Brennstoffzellensystem eingesetzten Absperrmittel, umfassend Bypass-Ventil/-Drosselklappe (15), Druckregel-Ventil/-Drosselklappe (13) und/oder einer Drosselklappe (13; 15) mit dichtschließendem Modus (opD), indem im Luftsystem (5) ein Druckaufbautest und/oder ein Druckabbautest in einem Mild-Surge-Betrieb des Luftkompressors (10) durchgeführt wird.

Membran-Elektrodeneinheit mit planarer Verstärkungskomponente

Resumen de: DE102023131980A1

Es wird eine Membran-Elektroden-Einheit (MEA), umfassend eine zwischen zwei Elektroden angeordnete Membran (4) aus einem polymeren ionenleitenden Material, und wenigstens eine planare Verstärkungskomponente in dem Schichtenverbund beschrieben, wobei erfindungsgemäß die wenigstens eine planare Verstärkungskomponente eine perforierte Lage (5) aus einem Verstärkungsmaterial umfasst. Weiterhin wird ein Verfahren zur Herstellung einer solchen MEA beschrieben.

Abgedichtete Membran-Elektrodeneinheit

Resumen de: DE102023131979A1

Es wird eine Membran-Elektroden-Einheit (MEA), umfassend eine zwischen zwei Elektroden angeordnete Membran (4) aus einem polymeren ionenleitenden Material, und ein am äußeren Umfangsrand umlaufendes flächiges Dichtelement (5), das zumindest in einem Randbereich in die Membran (4) eingebettet ist, beschrieben, bei welcher das Dichtelement (5) so ausgebildet ist, dass es mittels eines Formschlusses in der Membran (4) verankert ist. Weiterhin wird ein Verfahren zur Herstellung einer solchen MEA (10) beschrieben.

Verfahren zum Betreiben eines Brennstoffzellensystems, Steuergerät

Resumen de: DE102023211411A1

Die Erfindung betrifft ein Verfahren zum Betreiben eines Brennstoffzellensystems (1), umfassend einen eine Vielzahl von Brennstoffzellen (2a, 2b) aufweisenden Brennstoffzellenstapel (200), der von Kühlkanälen (201) durchzogen ist, die über einen Kühlkreis (25) unter Verwendung einer Kühlmittelpumpe (26) mit einem Kühlmittel beaufschlagt werden, wobei zu Beginn eines Gefrierstarts (40) nach dem Prinzip der Luftverarmung in einem initialen Schritt (41) zunächst ein konstanter Strom-Sollwert (Itarget) eingestellt wird, um per Spannungsregelung über den Luftmassenstrom (Mfair) eine gewünschte Zielspannung (Utarget) zu erreichen, wobei bei Unterschreiten (42) der aktuellen Istspannung (Uist) unter zumindest eine vorgegebene Minimalspannung (Umin) die initiale Spannungsregelung über den Luftmassenstrom (Mfair) unterbrochen wird und stattdessen ein konstanter Luftmassenstrom (Mfair const) eingestellt wird, bis die Istspannung (Uist) per Stromregelung über die Minimalspannung (Umin) ansteigt.

ELECTROCHEMICAL CELL UNIT

Resumen de: WO2025103585A1

The invention relates to an electrochemical cell unit (22), the cell unit comprising a cell housing (44) that defines a fluid volume (46), wherein a housing portion (48) of the cell housing has a structured area (50), wherein a coating (94) is provided on a surface of the structured area that is facing towards the fluid volume, and wherein the structured area comprises one or more first sections in which the coating has a nominal thickness, and one or more second sections that are devoid of the coating or in which the thickness of the coating is lower than the nominal thickness. The invention also relates to an electrochemical cell assembly (10) comprising such a cell unit and to a method for preparing electrochemical cell units.

METHOD FOR PRECONDITIONING A LAMINATE TO BE USED IN ELECTROCHEMICAL CELL ASSEMBLIES

Resumen de: WO2025103586A1

The invention relates to a method for preconditioning a laminate (10) to be used in electrochemical cell assemblies (30), said method comprising providing a laminate comprising a plurality of sheets (12) that are bonded together by a binder (14), and heating the laminate at a prebaking temperature (Tpb) for a predetermined prebaking time (Δt), said prebaking temperature being equal to or more than 650 °C. The invention also relates to the use of such a laminate in an electrochemical cell assembly as well as to an electrochemical cell assembly comprising at least one component having a laminate that is preconditioning by means of such a method.

ASSEMBLY DEVICE AND SYSTEM COMPRISING AN ASSEMBLY DEVICE AND AT LEAST ONE CELL UNIT

Resumen de: WO2025103578A1

The invention relates to an assembly device (10) for assisting stacking of electrochemical cell units (102) to form a stack (100) of cell units, the assembly device comprising a support (14) having a support surface (18), an alignment device (24) for aligning the cell units relative to each other parallel to the support surface, the alignment device defines a receiving space for receiving cell units therein, the alignment device comprises at least one positioning pillar (26) that extends in a stacking direction perpendicular to the support surface, the at least one positioning pillar is configured to block a translational and/or a rotational movement of cell units positioned within the receiving space in a plane parallel to the support surface. The invention also relates to a system comprising such an assembly device and at least one cell unit as well as to a method of manufacturing an electrochemical cell stack.

CATALYST FOR AMMONIA OXIDATION, CATALYST SYSTEM AND METHOD OF PREPARING CATALYST FOR AMMONIA OXIDATION

Resumen de: EP4556114A1

According to embodiments of the present disclosure, the ammonia oxidation catalyst includes a metal oxide including titanium and chromium, wherein an energy band gap of the metal oxide measured by UV-Vis DRS is less than 1.4 eV. The catalyst system according to embodiments of the present disclosure includes: an ammonia decomposition reactor; and a catalyst unit which is located in a downstream region of the ammonia decomposition reactor, and includes the above-described ammonia oxidation catalyst.

PRODUCTION OF A COMPONENT WITH A GAS-TIGHT ION-CONDUCTING FUNCTIONAL LAYER, AND COMPONENT

Resumen de: WO2024012802A1

The invention relates to a method for producing a component (11) with a gas-tight ion-conducting ceramic functional layer (9) comprising the following steps: - pressing ceramic powder material with a sintering additive through a pressing tool (1) at a pressure of at least 50 MPa, - sintering the pressed ceramic powder material and the sintering additive. The invention also relates to a component that can be produced using the method.

SYSTEM, METHOD AND APPARATUS FOR HYDROGEN MANAGEMENT

Resumen de: WO2024015906A1

A system, method and apparatus are disclosed for enabling the efficient utilization of hydrogen as an emissions-free fuel for airships and other aircraft, including in one embodiment for transporting cryogenic hydrogen as the airship's payload. A system, method and apparatus are disclosed to provide substantially higher net energy density for the propulsion system, optimizing the weight of the cryogenic tanks, utilizing boiloff directly or indirectly for propulsion power, and employing a novel thermal management system both to cool the fuel cells and help regulate the conversion of liquid hydrogen into gas. A system, method and apparatus are also disclosed for ground-based facilities including strategically located depots, optionally supplied by such hydrogen transport vehicles, and utilizing a novel thermal compression system to store, pressurize and distribute hydrogen, including but not limited to gaseous hydrogen pipelines, transport trailers, and dispensing systems.

GAS MANAGEMENT FOR METAL-AIR BATTERIES

Resumen de: US2024113383A1

Systems, methods, and devices for gas management of metal-air batteries. Each one of a plurality of electrochemical cells may include at least one air electrode, a metal electrode, a vessel, and a liquid electrolyte between the at least one air electrode and the metal electrode in the vessel, with each one of the plurality of electrochemical cells defining a respective headspace above the liquid electrolyte in the vessel. A manifold may include ducting defining a shared vent and an outlet region, and the respective headspace of each one of the plurality of electrochemical cells may be fluidically coupled to the shared vent and in fluid communication with the outlet region of the ducting.

BI-DIRECTIONAL COOLANT FLOW IN MODULAR AND SCALABLE BATTERY PACKS

Resumen de: AU2023307912A1

A battery pack includes battery cells arranged in an array to form a battery module layer. Multiple layers are vertically stacked with thermal management devices, such as active heat exchangers in the form of battery cold plates, above and below each layer to form a multi-layer battery stack that may be held in compression by a battery pack frame. The multi-layer battery stack and battery pack frame are surrounded by a battery enclosure, which has flat sealing surfaces to ensure robust sealing. The battery pack is associated with a thermal management system for cooling and heating the battery cells of the battery pack. The battery thermal management system provides cooling and heating by alternating cooling flow directions to achieve uniform temperature distribution.

SYSTEM AND METHOD FOR PRODUCING BLUE HYDROGEN, CAPTURING CARBON DIOXIDE AND SULFUR OXIDE, RECYCLING CARBON AND STORING REACTANTS, GENERATING POWER BY USING FUEL CELL, AND CREATING ARTIFICIAL FOREST

Resumen de: EP4556437A1

The present invention relates to a system for producing blue hydrogen, capturing carbon dioxide and sulfur oxide, recycling carbon and storing reactants, generating power by using a fuel cell, and creating an artificial forest. One embodiment of the present invention comprises: a natural gas storage that stores liquefied natural gas (LNG) including shale gas; a hydrocarbon reformer that reacts the natural gas or the shale gas supplied from the natural gas storage with externally injected water to produce a gaseous mixture containing hydrogen and carbon dioxide; a hydrogen charging station that receives and stores the hydrogen generated from the hydrocarbon reformer; a reactor that receives at least one of carbon dioxide generated from the hydrocarbon reformer or carbon dioxide generated from an exhaust gas source including a power plant, a steel mill, or a cement factory, reacts same with a basic alkali mixture to capture carbon dioxide, collects a reactant containing the collected carbon dioxide, and separates a carbon dioxide reactant and waste solution from the reactant; a carbon resource storage that stores the carbon dioxide reactant separated at the reactor; a hydrogen generator that directly receives the separated carbon dioxide reactant from the reactor or generates hydrogen by using the carbon dioxide reactant delivered via the carbon resource storage, and transfers the generated hydrogen to the hydrogen charging station; a fuel cell that receives the hydrogen from t

METHOD FOR GENERATING ELECTRIC POWER OR PRODUCING HYDROGEN, AND ENERGY CONVERSION SYSTEM

Resumen de: EP4557412A1

A method for generating power or producing hydrogen from a carbon source, the method including a chemical conversion step of making, in a chemical conversion unit, a mixture obtained by mixing a solution containing an intermediate medium with a carbon source to react at a temperature at which chemical exergy of the carbon source exceeds chemical exergy in a reduced state of the intermediate medium to reduce the intermediate medium while oxidizing the carbon source, an electrochemical conversion step of bringing the intermediate medium reduced at the chemical conversion step into contact with an anode of a battery structure in an electrochemical conversion unit including the battery structure, and bringing oxygen or air into contact with a cathode of the battery structure to generate power, or bringing water into contact to produce hydrogen, and a reuse step of returning a solution containing the intermediate medium after the electrochemical conversion step to the mixture, and an energy conversion system.

FUEL CELL MODULE AND FUEL CELL DEVICE

Resumen de: EP4557411A1

A fuel battery module includes a container, a fuel battery, a combustion unit, and a first reactor. The fuel battery supplies unreacted fuel to the combustion unit along a flow path for an exhaust gas containing the unreacted fuel. The combustion unit combusts the unreacted fuel. The first reactor is positioned opposite the combustion unit. The first reactor produces at least hydrogen and a dehydrogenation product from an organic hydride through a dehydrogenation reaction.

ANION EXCHANGE RESIN, ELECTROLYTE MEMBRANE, BINDER FOR FORMING ELECTRODE CATALYST LAYER, AND BATTERY ELECTRODE CATALYST LAYER

Resumen de: EP4556510A1

Provided are an anion exchange resin being capable of producing an electrolyte membrane, a binder for forming an electrode catalyst layer, and a battery electrode catalyst layer, which has excellent electrical properties (anion conductivity) and chemical properties (gas permeability and water uptake property), an electrolyte membrane and a binder for forming an electrode catalyst layer formed from the anion exchange resin, and a battery electrode catalyst layer formed from the binder for forming an electrode catalyst layer.For example, used is an anion exchange resin in which a hydrophobic unit being composed of divalent hydrophobic groups including a bisphenol residue having an alicyclic structure, which are repeated via carbon-carbon bond, a hydrophobic unit being composed of hydrophobic groups of a plurality of aromatic rings bonded to each other via a divalent fluorine-containing hydrocarbon group, which are repeated via carbon-carbon bond, and a hydrophilic unit having a fluorene ring bonded to an anion exchange group-containing group are bonded via carbon-carbon bond.

CATION EXCHANGE RESIN, CATION EXCHANGE MEMBRANE, ELECTROLYTE MEMBRANE, BINDER FOR FORMING ELECTRODE CATALYST LAYER, AND BATTERY ELECTRODE CATALYST LAYER

Resumen de: EP4556509A1

Provided are a cation exchange resin being capable of producing a cation exchange membrane, an electrolyte membrane, a binder for forming an electrode catalyst layer, and a battery electrode catalyst layer, which has excellent electrical properties (cation conductivity) and chemical properties (gas permeability and water uptake property); a cation exchange membrane, an electrolyte membrane, and a binder for forming an electrode catalyst layer, which is formed from the cation exchange resin; and a battery electrode catalyst layer which is formed from the binder for forming an electrode catalyst layer.For example, used is a cation exchange resin in which a hydrophobic unit being composed of divalent hydrophobic groups including a bisphenol residue having an alicyclic structure, which are repeated via carbon-carbon bond, a hydrophobic unit being composed of hydrophobic groups of a plurality of aromatic rings bonded to each other via a divalent fluorine-containing hydrocarbon group, which are repeated via carbon-carbon bond, and a hydrophilic unit having an aromatic bonded to a cation exchange group-containing group are bonded via carbon-carbon bond.

FUEL CELL ELECTRODE CATALYST

Resumen de: EP4557409A1

This fuel cell electrode catalyst has catalytic metal particles made from Pt or a Pt alloy supported on a carbon carrier, wherein when XRD measurements are taken for the electrode catalyst, the peak intensity ratio of the Pt (111) surface represented by the formula Pt(111) peak intensity ratio = Pt(111) peak intensity/(Pt(111) peak intensity + Pt(200) peak intensity + Pt (220) peak intensity) was 0.626-0.630.

END ASSEMBLY OF A FUEL CELL STACK AND FUEL CELL STACK

Resumen de: EP4557413A1

The invention is related to an end assembly (10) of a fuel cell stack (100) comprising an interface plate (12) comprising a plate half (22) of a bipolar plate (20), and a compression hardware (14) for compressing the fuel cell stack (100), wherein an end side (18) of the interface plate (12) is connected to the compression hardware (14) and a stack side (16) of the interface plate (12) is connected to a first or last membrane electrode assembly (30).

OXYGEN-ENRICHED COMBUSTION FOR NATURAL GAS COMBINED CYCLE OPERATION

Resumen de: CN119522129A

Systems and methods for operating a combined cycle power plant while increasing the CO2 content in the flue gas produced by the power plant are provided. The CO2 content is increased by using a combination of exhaust gas recirculation and oxygen-enriched combustion. The oxygen-containing gas stream used to conduct the oxygen-enriched combustion can be produced by an integrated pressure swing adsorption process that allows the production of a commercial grade nitrogen gas stream (95 vol% or higher N2) while also providing an oxygen-containing gas stream with an oxygen content of between 25 vol% and 48 vol% as well as a higher O2 recovery.

METHOD AND APPARTUS

Resumen de: CN119343480A

A method for producing an ion conducting membrane for a water electrolyser or fuel cell is provided. The method includes the step of in-line mixing a first liquid stream comprising an ionically conductive polymer and a second liquid stream comprising a cerium-containing compound to form the coating composition. The coating composition is then deposited onto a substrate to form a film layer. An apparatus for producing an ion conducting membrane for a water electrolyser or fuel cell is also provided.

FUEL CELL STACK

Nº publicación: EP4555565A2 21/05/2025

Solicitante:

MTU AERO ENGINES AG [DE]
MTU Aero Engines AG

Resumen de: WO2024012628A2

The present invention relates to a fuel cell stack (1), having fuel cells (2) arranged successively in a stacking direction (3), an inner covering element (11) which follows the fuel cells (2) in the stacking direction (3), and an outer covering element (12) which follows the inner covering element (11) in the stacking direction (3) and holds the inner covering element and the fuel cells (2) together in a braced state, wherein the outer covering element (12) forms at least a first and a second spring element (15.1, 15.2) perpendicularly to the stacking direction (3), wherein each of the spring elements (15.1, 15.2) forms an arc profile (16.1, 16.2) which is convexly curved in the direction of the inner covering element (11), and the respective arc profile (16.1, 16.2) is separately suspended, and wherein the inner covering element (11) forms a respective receptacle (40.1, 40.2) for the spring elements (15.1, 15.2), each receptacle being concavely curved in the direction of the outer covering element (12) and accommodating the respective convexly curved arc profile (16.1, 16.2).