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METHOD, CONTROL DEVICE, AND COMPUTER PROGRAM FOR DETERMINING THE NITROGEN CONCENTRATION IN THE GAS MIXTURE IN AN ANODE LINE SYSTEM OF A FUEL CELL SYSTEM, AND NITROGEN CONCENTRATION DETERMINING DEVICE, FUEL CELL SYSTEM, VEHICLE, AND COMPUTER-READABLE MEDIUM

Resumen de: WO2026082386A1

The invention relates to a method, a control device (160), and a computer program for determining the nitrogen concentration in the gas mixture in an anode conducting system (130) of a fuel cell system (100) and to a nitrogen concentration determining device (150), to a fuel cell system (100), to a vehicle, and to a compuer-readable medium. The method according to the invention has the steps of receiving a first pressure signal which is representative of the pressure of the fuel received by a jet pump (139); receiving a second pressure signal which is representative of the pressure of the gas mixture in the anode line system (130) downstream of the fuel cell (110); receiving a first temperature signal which is representative of the temperature of the gas mixture in the anode line system (130) downstream of the fuel cell (110); receiving a second temperature signal which is representative of the temperature of the gas mixture in the anode line system (130) upstream of the fuel cell (110); determining the nitrogen concentration in the anode line system (130) of the fuel cell system (100) on the basis of the received signals; and transmitting a nitrogen signal which is representative of the determined nitrogen concentration.

COMPRESSION SYSTEMS FOR ELECTROCHEMICAL STACKS

Resumen de: US20260112676A1

A system and method of actively managing electrochemical stack compression using a hybrid compression system is provided. The method includes: receiving, by a data acquisition unit, stack data from an electrochemical stack in real time; providing, by the data acquisition unit, the stack data to a first compression controller and to a second compression controller; controlling, by the first compression controller, a first compression system configured to provide first adjustments to a compression force applied to the electrochemical stack; and controlling, by the second compression controller, a second compression system configured to provide second adjustments to the compression force on the electrochemical stack. The first compression system may be configured to provide the first adjustments to the compressive force during start-up and/or shutdown of the electrochemical stack. The second compression system may be configured to provide the second adjustments during the steady-state operation of the electrochemical stack.WO

OPEN-CIRCUIT PURGING METHOD AND DEVICE FOR FUEL CELL SYSTEM AND STORAGE MEDIUM

Resumen de: WO2026082025A1

An open-circuit purging method for a fuel cell system. The fuel cell system comprises a stack (4) and a DC-DC module (5), and the method comprises: when the fuel cell system is shut down, on the basis of an under-voltage protection voltage of the stack (4), determining a first target value of a low-side current, wherein the low-side current is a current output by the stack (4) to the DC-DC module (5), and the first target value is greater than 0 A; purging the stack on the basis of the first target value, and acquiring the current voltage of the stack (4); when the current voltage is discharged to the under-voltage protection voltage, controlling the DC-DC module (5) to discharge the current voltage to a safe voltage of the stack, and determining a second target value of the low-side current, wherein the second target value is 0 A; and purging the stack on the basis of the second target value.

FUEL CELL SYSTEM

Resumen de: US20260112665A1

0000 A fuel cell system including a plurality of fuel cells, and an electronic control unit configured to control the plurality of fuel cells. The electronic control unit includes a microprocessor and a memory connected to the microprocessor, and each of the plurality of fuel cells includes a temperature detection part configured to detect a temperature of the each of the plurality of fuel cells. The microprocessor is configured to perform the controlling including controlling the plurality of fuel cells such that all of the plurality of fuel cells perform a predetermined warm-up operation when the temperature detected by the temperature detection part of at least one of the plurality of fuel cells is equal to or lower than a predetermined temperature, after a startup of the plurality of fuel cells.

FLOW BATTERY CYCLE RECOVERY SYSTEM AND METHOD

Resumen de: WO2026081443A1

A flow battery cycle recovery system and method. The flow battery cycle recovery system comprises: a positive electrode liquid storage tank containing a positive electrode electrolyte, wherein the positive electrode electrolyte contains reducing ions and active ions, and the reducing ions can react with the active ions to reduce the valence state of the active ions and generate a first oxidizing gas; a catalytic reaction apparatus containing a catalyst, wherein the catalytic reaction apparatus can receive the first oxidizing gas to oxidize and immobilize the catalyst; and a negative electrode liquid storage tank containing a negative electrode electrolyte, wherein the negative electrode electrolyte undergoes a side reaction to generate a first reducing gas. The catalytic reaction apparatus can receive the first reducing gas, the first reducing gas is used for reducing the oxidized catalyst, and the resulting acid gas can be returned to the negative electrode liquid storage tank.

STATIONARY FUEL CELL SYSTEM

Resumen de: US20260112675A1

0000 A stationary fuel cell system includes: two power generation modules each including an auxiliary machine structure including an auxiliary machine that receives and transmits gas to and from a fuel cell stack, and a fuel cell stack connected to at least one surface of the auxiliary machine structure in an up-down direction; a pipe module including an intake pipe through which air to be supplied to the power generation module flows and an exhaust pipe through which air discharged from the power generation module flows; and an electrical equipment module including a main power line that is connected to a branch power line drawn out from the fuel cell stack and sends power generated by the power generation module to an external power converter.

REDOX FLOW BATTERY AND METHOD FOR OPERATING SAME

Resumen de: US20260112663A1

A redox flow battery includes a cell arrangement and a measuring apparatus for determining the charging state. The measuring apparatus comprises includes a hydraulic connecting line which connects the first tank to the second tank so that there is a permanent electrical connection between the electrolyte liquids in the two tanks. The measuring apparatus includes at least two electrodes. A first electrode is arranged directly in the positive electrolyte circuit. A second electrode is arranged directly in the negative electrolyte circuit. The redox flow battery includes a control apparatus which is designed such that it can detect a voltage difference between two electrodes.

FUEL CELL AND METHOD OF FORMING A FUEL CELL

Resumen de: US20260112661A1

0000 A fuel cell includes a flexible body and first and second fittings attached to the flexible body. The first and second fittings each include a first opening configured for ingress or egress of a fluid, and each include second openings extending through outer portions of the first and second fittings. The first and second fittings are more rigid than the flexible body. The fuel cell further includes a first elongated interconnect attached to the first fitting through one or more of the second openings extending through the outer portion of the first fitting and connected to the second fitting through one or more of the second openings extending through the outer portion of the second fitting such that the first elongated interconnect couples together the first and second fittings.

COOLING MULTIPLE PARALLEL HYDROGEN FUEL CELL MODULES

Resumen de: US20260112662A1

0000 A fuel cell electrical power system includes a first fuel cell module, a second fuel cell module, a heat exchanger, a common coolant, a first coolant piping branch, and a second coolant piping branch. A first pump and two valves are disposed on the first coolant branch, and a second pump and two valves are disposed on the second coolant branch. The fuel cell electrical power system is capable of functioning in a condition in which the second fuel cell module and the second pump are not operating to cause substantially all of the flow of coolant fluid generated by the first pump to circulate through the common coolant piping and to circulate substantially none of the flow of the coolant fluid generated by the first pump through the second fuel cell module.

USE OF RENEWABLE ENERGY IN AMMONIA SYNTHESIS

Resumen de: US20260108861A1

0000 An ammonia synthesis plant comprising: a feed pretreating section operable to pretreat a feed stream; a syngas generation section operable to reform the feed stream to produce a reformer product stream; a shift conversion section operable to subject the reformer product stream to the water gas shift reaction, to produce a shifted gas stream comprising more hydrogen than the reformer gas stream; a purification section operable to remove at least one component from the shifted gas stream, and provide an ammonia synthesis feed stream; and/or an ammonia synthesis section operable to produce ammonia from the ammonia synthesis feed stream, wherein the ammonia synthesis plant is configured such that, relative to a conventional ammonia synthesis plant, more of the energy required by the ammonia synthesis plant or one or more sections thereof is provided by a non-carbon based energy source, a renewable energy source, and/or electricity.

Fluidabscheider, Brennstoffzellensystem sowie Verfahren zum Ablassen eines Ablassfluids eines Fluidabscheiders

Resumen de: DE102024130791A1

Die vorliegende Erfindung betrifft einen Fluidabscheider (100) zum Abtrennen zumindest eines Abtrennfluids aus einem Gasgemisch. Der Fluidabscheider (100) umfasst einen Gasgemischeingang (10) zum Zuführen des Gasgemisches, einen Gasgemischausgang (20) zum Abführen eines zumindest teilweise bereinigten Gasgemisches, einen Ablassausgang (30) zum Ablassen eines Ablassfluids, zumindest eine Fluidabscheider-Wand (1) zum zumindest abschnittsweisen Begrenzen eines Innenraums (IR) des Fluidabscheiders (100), sowie zumindest einen Ablass-Strömungspfad (P1) des Ablassfluids, wobei sich der Ablass-Strömungspfad (P1) zumindest von dem Gasgemischeingang (10) entlang der Fluidabscheider-Wand (1) zu dem Ablassausgang (30) fluidtechnisch erstreckt, und wobei die Fluidabscheider-Wand (1) zumindest abschnittsweise entlang des Ablass-Strömungspfades (P1) elastisch verformbar ausgestaltet ist.

Rotor für ein Gebläse für eine Brennstoffzellenanordnung für ein Fahrzeug, insbesondere Nutzfahrzeug, Gebläse, Brennstoffzellenanordnung, Fahrzeug

Resumen de: DE102024130888A1

Rotor (9) für ein Gebläse (1) für eine Brennstoffzellenanordnung (205) für ein Fahrzeug (200a), insbesondere Nutzfahrzeug (200b); wobei der Rotor (9) eine Motorwelle (7) mit wenigstens einem Lagersitz (7a) für ein Luftlager (18, 19) zur drehbaren Lagerung der Motorwelle (7) aufweist; der Rotor (9) eine drehfest mit der Motorwelle (7) verbundene Haltevorrichtung (13) mit wenigstens einem innerhalb der Haltevorrichtung (13) gehalterten Dauermagnetelement (9a) aufweist; und der Rotor (9) einen an der Haltevorrichtung (13) angeordneten Wärmkörper (30) aufweist; wobei der Wärmkörper (30) aus einem ersten Material (M1) besteht und die Haltevorrichtung (13) aus einem von dem ersten Material (M2) verschiedenen zweiten Material (M2) besteht, wobei das erste Material (M1) elektrisch leitfähig ist; und das erste Material (M1) und das zweite Material (M2) jeweils nichtmagnetisch ist.

POLYACRYLONITRILE GEL MEMBRANES

Resumen de: WO2026082843A1

The present invention pertains to a process for the manufacture of a polymer electrolyte membrane comprising a polyacrylonitrile-based polymer and to uses of said electrolyte membrane in various applications, particularly in electrochemical applications.

HYDROGEN FUEL CELL SHIP WITH HYDROGEN TUBE TRAILER APPLIED THERETO

Resumen de: WO2026084084A1

The present disclosure relates to a hydrogen fuel cell ship comprising: a hydrogen fuel cell; a fuel chamber which is located on a deck of the hydrogen fuel cell ship and is partitioned by one or more fuel chamber partition walls; and a hydrogen supply unit which supplies hydrogen to the hydrogen fuel cell from a hydrogen fuel container located in the fuel chamber, wherein the fuel chamber comprises: a hydrogen fuel container fixing portion comprising a twist lock foundation installed on the deck of the hydrogen fuel cell ship; the hydrogen fuel container loaded on the hydrogen fuel container fixing portion; and a buffering space formed between the fuel chamber partition walls spaced apart from the side surface of the hydrogen fuel container.

HIGH PERFORMANCE HYBRID POLYACRYLONITRILE COMPOSITES MEMBRANES

Resumen de: WO2026082841A1

The present invention pertains to a process for the manufacture of a hybrid organic/inorganic composite, to a polymer electrolyte membrane based on said hybrid and to uses of said electrolyte membrane in various applications, particularly in electrochemical applications.

AUSGANGSSTEUERVORRICHTUNG

Resumen de: DE102025142241A1

Eine Ausgangssteuervorrichtung kann eine Verschlechterung zwischen Batterie und Brennstoffzelle ausgleichen. Die Ausgangssteuervorrichtung umfasst einen Erfassungsabschnitt, der Informationen in Bezug auf den Gesundheitszustand der Brennstoffzelle und der Batterie erfasst, die Leistung zum Betrieb eines Motors als Fahrzeugantriebsquelle ausgeben, sowie Informationen, die eine angeforderte Ausgangsleistung des Motors anzeigen; und einen Steuerabschnitt, der die Batterie und die Brennstoffzelle derart steuert, dass, wenn die Information über den Gesundheitszustand der Batterie nicht kleiner als ein im Voraus gesetzter Zielwert ist, die Brennstoffzelle eine vorbestimmte erste Leistung unabhängig von der angeforderten Ausgangsleistung ausgibt und die Batterie eine zweite Leistung entsprechend der angeforderten Ausgangsleistung ausgibt, und dass, wenn die Information über den Gesundheitszustand der Batterie größer als der Zielwert ist, die Batterie eine vorbestimmte dritte Leistung unabhängig von der angeforderten Ausgangsleistung ausgibt und die Brennstoffzelle eine vierte Leistung entsprechend der angeforderten Ausgangsleistung ausgibt.

FUEL CELL MODULE, SYSTEM, AND PROCESS

Resumen de: WO2026082306A1

A fuel cell module (100) is provided for generating electricity, which includes at least three annular segments (102) in a successively stacked arrangement that are operative to form a casing (104). The casing includes therein a fuel cell chamber (106) having a fuel inlet (108), a depleted fuel outlet (140), and a plurality of fuel cells (112) comprised of an electrolyte layer (118) between an anode layer (120) and a cathode layer (122). Each of the fuel cells extends through all three of the segments. The segments include at least one electrically insulating segment (156) stacked between two electrically conductive segments (146, 148). The electrically conductive segments correspond to positive and negative terminal segments, to which the fuel cells inside the module are electrically connected, and to which an electrical load (2216) outside the module may be electrically connected.

VEHICLE WITH REVERSIBLE FUEL CELL SYSTEM AND METHOD OF OPERATION

Resumen de: US20260112664A1

0000 A method of operation is provided during which hydrogen fuel is produced using a reversible fuel cell system onboard a vehicle while the vehicle is stationary and/or docked. The reversible fuel cell system receives water and input electricity to produce the hydrogen fuel. The hydrogen fuel is stored onboard the vehicle. Output electricity is generated using the reversible fuel cell system while the vehicle is moving. The reversible fuel cell system receives the hydrogen fuel stored onboard the vehicle and air to generate the output electricity.

POROUS CARBON, ELECTRODE MATERIAL, CATALYST CARRIER, CAPACITOR, FUEL CELL, SECONDARY BATTERY, AND METHOD FOR PRODUCING POROUS CARBON

Resumen de: WO2026083826A1

Disclosed is a powder porous carbon which has a specific surface area of 1,400 m2/g to 2,800 m2/g, a micropore volume of 0.2 cm3/g to 1.4 cm3/g, and a mesopore volume of 0.2 cm3/g to 1.4 cm3/g, wherein the total gas amount of hydrogen (H2) derived from terminal hydrogen of carbon, water (H2O) derived from an oxygen-containing functional group, carbon monoxide (CO), and carbon dioxide (CO2) detected from the porous carbon by temperature-programmed desorption gas analysis is 0.01-2.0 mmol/g.

MANUFACTURING MULTI-LAYERED BIPOLAR PLATE FOR FUEL CELL

Resumen de: US20260108944A1

A method of manufacture is provided during which a first material layer is disposed with a second material layer to provide a multi-layered preform. The first material layer lengthwise and widthwise overlaps the second material layer. The first material layer is configured from or otherwise includes a titanium material. The second material layer is configured from or otherwise includes an aluminum material. The multi-layered preform is clamped between a first die and a second die. The first die and the second die each lengthwise and widthwise overlap the multi-layered preform. The multi-layered preform clamped between the first die and the second die is sintered and bonded to provide a bipolar plate for a fuel cell. The titanium material in the first material layer of the bipolar plate is bonded to the aluminum material in the second material layer of the bipolar plate during the sintering of the multi-layered preform.

Verfahren zur Überwachung eines Brennstoffzellensystems und Brennstoffzellensystem

Resumen de: DE102024210041A1

Die Erfindung geht aus von einem Verfahren (10a; 10b; 10c) zur Überwachung eines Brennstoffzellensystems (12a; 12b; 12c), welches zumindest einen Brennstoff in ein Abgas umsetzt, welches aus dem Brennstoffzellensystem (12a; 12b; 12c) abgeführt wird, wobei in zumindest einem Verfahrensschritt eine Brennstoffmenge in dem Abgas charakterisiert wird.Es wird vorgeschlagen, dass zur Charakterisierung der Brennstoffmenge in zumindest einem ersten Ermittlungsschritt (14a; 14b; 14c) ein Sauerstoffparameter des Abgases an einer ersten Ermittlungsstelle ermittelt wird und in zumindest einem weiteren Ermittlungsschritt (16a; 16b; 16c) ein weiterer Wert des Sauerstoffparameters an einer weiteren Ermittlungsstelle ermittelt wird.

CELL FOR AN ELECTROCHEMICAL ENERGY CONVERTER

Resumen de: WO2026082265A1

The present invention relates to a method (100) for producing a cell (200) for an electrochemical energy converter (300), the method (100) comprising: - arranging (101) a terrace seal (201) in a recess (203) formed by a frame terrace (205) of a frame (207) for encompassing a membrane electrode assembly (MEA) (209) of the cell (200), wherein the frame (207) comprises a frame body (211) and the frame terrace (205), wherein a height of the frame terrace (205) is smaller than a height of the frame body (211), wherein the terrace seal (201) comprises a first part (213) and a second part (215), wherein a height of the second part (215) of the terrace seal (201) is smaller than a height of the first part (213) of the terrace seal (201), wherein the first part (213) of the terrace seal (201) protrudes in height direction over an upper level (217) of the recess (203), and wherein the second part (215) of the terrace seal (201) protrudes in height direction beneath the upper level (217) of the recess, - combining (103) the MEA (209) and the frame (207), thereby pressing the first part (213) of the terrace seal (201) in the recess (203) using the MEA (209), - arranging (105) a first bipolarplate (219) on an upper side of the MEA (209) and the frame (207), - arranging (107) a second bipolarplate (221) on a lower side of the MEA (209) and the frame (207).

Verfahren zum Diagnostizieren eines Katalysator-Zustands in einer Brennstoffzelle

Resumen de: DE102024210232A1

Die vorliegende Erfindung betrifft ein Verfahren zum Diagnostizieren des Zustands mindestens eines Katalysators (20), der in Brennstoffzellen, insbesondere in Hochtemperatur-Brennstoffzellen oder in Festoxid-Brennstoffzellen, vorgesehen wird, die in Form mindestens eines Stacks seriell angeordnet werden, aufweisend die folgenden Schritte:- Einstellen eines stabilen Betriebszustands, insbesondere eines thermisch stabilen Betriebspunkts, des Stacks;- Abschalten oder Herunterfahren der Last des Stacks in einen Leerlaufzustand, insbesondere auf Null;- Messen und Auswerten-- der Leerlaufspannung pro Brennstoffzelle und-- der am Ausgang des Stacks noch auftretenden Konzentration des am Eingang des Stacks zugeführten gasförmigen Brennstoffs.

NANOSTRUCTURED ANION-EXCHANGE MEMBRANE AND METHOD FOR OBTAINING SAME

Resumen de: WO2026082550A1

The invention relates to a method for obtaining an anion-exchange membrane which contains an ionomer film, wherein the copolymer chains of the ionomer are arranged throughout the thickness of the film according to a nanostructure having double gyroid morphology, the ionomer being of formula A-B'-C, wherein A is a hydrocarbon polyvinylaromatic block; B' is a polymer block, of which the constituent repeating units each contain a nitrogen-containing aromatic heterocyclic pendant group and in which all or part of the nitrogen-containing aromatic heterocyclic pendant groups are N-alkylated; and C is a hydrophilic polyether block. The nanostructure formed maximises the transport of anions and water through the membrane and improves the operation of a fuel cell or an electrolyser containing such a membrane.

COMPUTER SYSTEM AND A METHOD FOR CONTROLLING A FUEL CELL SYSTEM

Nº publicación: US20260112673A1 23/04/2026

Solicitante:

VOLVO TRUCK CORP [SE]

Resumen de: US20260112673A1

A computer system and method for controlling a power system comprising a fuel cell system and an electric energy storage system is disclosed. The fuel cell system comprising a power conversion and distribution circuitry configured to convert and deliver electric power to an electric energy storage system and to a power consumer. The method for controlling the power system comprises predicting a power request for power delivery from the fuel cell system. The method further comprises monitoring operating voltage of the power system. The method further comprises detecting an upcoming event during which a power capability of the fuel cell system is expected to be insufficient to deliver power in accordance with the power request. The method further comprises determining if a selection criterion for selecting a first operating mode is fulfilled and activating the first operating mode when the selection criterion is fulfilled.