Alerta

MICROFABRICATED POROUS TRANSPORT LAYER

Absstract of: US2025316720A1

A novel microfabricated Titanium-based porous transport layer (PTL) is described, for use in a hydrogen electrolytic fuel cell. The novel structure may have improved properties and enable improved utilization of the catalyst layer, which is a key metric for hydrogen fuel systems. The structure is intended to be used with a polymeric membrane and is disposed directly adjacent to the catalytic layer on the cathode side of the structure. The improved performance result from is three dimensions microfabricated design, which allows a large number of tightly controlled through hole structure, which increases the surface area available for the electrolytic reaction.

METHOD FOR CALIBRATING A DEVICE FOR REGULATING THE RETURN FLOW IN A FUEL CELL SYSTEM

Absstract of: US2025316731A1

A method for calibrating a device for regulating the return flow (70) in a fuel cell system (1), the fuel cell system (1) having a fuel cell stack (101), an air path (10), an exhaust gas line (12) and a fuel line (20) with a recirculation circuit (50).The following method steps are carried out:a. setting a stationary load point of the fuel cell system (1);b. fixing the current drawn from the fuel cell stack (101);c. actuating a device for regulating the return flow (70) such that exhaust gas from the exhaust gas line (12) flows via a return flow line (66) into the air path (10);d. increasing the mass flow of exhaust gas flowing through the return flow line (66) by actuating the device for regulating the return flow (70) until a hydrogen concentration can be measured at a hydrogen sensor (64);e. defining the maximum permitted mass flow of exhaust gas through the return flow line (66) for the previously selected stationary load point.

ELECTROCHEMICAL OXYGEN REDUCTION CATALYST

Absstract of: US2025316718A1

The electrochemical oxygen reduction catalyst includes metal particles and a modifier that modifies the metal particles. The present disclosure relates to an electrochemical oxygen reduction catalyst, wherein the modifier is an organic nitrogen compound, the organic nitrogen compound includes a triazine ring and fluorine bonded to the triazine ring via a covalent bond, and the organic nitrogen compound has a fluorine content of 29 g/eq or less.

ELECTROCHEMICAL OXYGEN REDUCTION CATALYST

Absstract of: US2025316716A1

The present disclosure relates to an electrochemical oxygen reduction catalyst comprising metal particles and a modifier for modifying the metal particles, wherein the modifier is an organic nitrogen compound, wherein the organic nitrogen compound comprises pyridine type nitrogen and may further comprise a quaternary nitrogen, and wherein the organic nitrogen compound has a total content of the pyridine type nitrogen and, if present, the quaternary nitrogen of 40 g/eq or less.

3D ELECTRODES AND FLOW STRUCTURES FOR HIGH PERFORMING HYBRID REDOX FLOW BATTERIES

Absstract of: US2025316715A1

A redox flow battery apparatus includes a membrane, a flow plate, and a porous electrode positioned between the membrane and the flow plate. The porous electrode has a surface configured for a reversible metal deposition thereon from a metal ion electrolyte solution flowing through the porous electrode. The porous electrode has a predefined porosity configured to allow the flowing of the metal ion electrolyte solution through the porous electrode.

PT-ANCHORED OVER ZIRCONIUM PHOSPHATE FOR PROTON EXCHANGE MEMBRANE FUEL CELL APPLICATIONS

Absstract of: US2025316719A1

The present invention provides a carbon-free electrocatalyst for oxygen reduction reaction (ORR) in polymer electrolyte membrane fuel cells (PEMFCs). Described herein is a Pt decorated carbon-free catalyst with solid-state proton conducting zirconium phosphate (ZrP) as support material for PEMFC. The invention further describes the process for obtaining said Pt decorated conducting zirconium phosphate (ZrP) as support material as proton conductor. Also, the present invention relates to an efficient proton conductor which optimizes utilization of Pt- catalyst thereby improving the performance of the PEMFC. The carbon-free system alleviates the problem of carbon-corrosion leading to detachment of Pt-nanoparticles.

ANION CONDUCTING POLYMER ELECTROLYTE MEMBRANES BY ULTRAVIOLET-LIGHT CURING FOR QUASI-SOLID-STATE ZINC-AIR BATTERIES

Absstract of: US2025316735A1

The current invention describes Anion exchange polymer electrolyte membrane (AEPEM) by simple UV-irradiation procedure using simple acrylate/methacrylate monomers/oligomers, with at least one of them possessing quaternary ammonium group to obtain a polymer membrane, which when soaked in 6 M KOH solution yield an AEPEM having OH— group incorporated into the polymer matrix having good ionic conductivity.

CONTROL SYSTEM, WORK MACHINE, AND CONTROL METHOD

Absstract of: AU2024241128A1

This control system (163) controls a work machine (10) having a work device as well as being provided with a fuel cell (143) and a power storage device (144). The control system is provided with: a required power determination unit (174) that determines the magnitude of required power necessary for the operation of the work machine; and a fuel cell control unit (178) that controls the fuel cell, on the basis of the standard generation power of the fuel cell, the maximum dischargeable power of the power storage device, and the required power.

WATER ELECTROLYSIS AND FUEL CELL STACKS WITH INSERT MOLDING AND METHODS OF MAKING THE SAME

Absstract of: AU2024225709A1

The invention provides an electrolysis cell for alkaline water electrolysis as well as a method to make the cell with application of insert molding procedures. The invention also includes cells for PEM and AEM electrolysis and for fuel cell function. The cell is characterized by low material and manufacturing costs as well as the possibility to significantly scale up production while maintaining expected operational integrity. This invention enables one to apply insert-molding to manufacture the various types of specific cells and combine each type into stacks. In particular, the insert molding is applied to the membrane/ diaphragm and the separator plate of each cell. Cross flow and co-flow configurations are described.

GAS SUPPLY DEVICE

Absstract of: US2025314354A1

The gas supply device disclosed in the present specification includes a cover that shuts off the periphery of the main stop valve and the connector of the gas cartridge from the outside air, and a removal device that removes impurities from the inner space of the cover in a state where the connector and the main stop valve are not connected. The controller of the gas supply device connects the main stop valve and the connector when impurities are removed from the inner space by the removal device, and opens the main stop valve. The gas supply device disclosed herein shuts off the periphery of the main stop valve and the connector from the outside air and removes impurities from the periphery of the main stop valve. Therefore, contamination of the gas supply device with impurities can be suppressed.

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

Absstract of: US2025313964A1

Proposed is 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. The system includes a natural gas storage that stores liquefied natural gas including shale gas, a hydrocarbon reformer that produces a gaseous mixture containing hydrogen and carbon dioxide, a hydrogen charging station configured to receive and store the hydrogen, to capture carbon dioxide, to collect a reactant, and to separate a carbon dioxide reactant and a waste solution from the reactant, a carbon resource storage that stores the carbon dioxide reactant, a hydrogen generator that generates hydrogen and transfers the generated hydrogen to the hydrogen charging station, a fuel cell that receives the hydrogen and generates electricity, and an artificial forest creation apparatus that captures carbon dioxide in the atmosphere and transfers the captured carbon dioxide to the reactor.

RADICAL SCAVENGER, MANUFACTURING METHOD THEREFOR, MEMBRANE-ELECTRODE ASSEMBLY, AND FUEL CELL

Absstract of: WO2025211527A1

Disclosed are a radical scavenger for improving durability, a membrane-electrode assembly, a fuel cell, and methods for manufacturing the foregoing. According to one aspect, provided is a radical scavenger comprising radical-scavenging particles and a protective layer formed on the surfaces of the radical-scavenging particles, wherein a ratio of the standard deviation of thickness to the average thickness of the protective layer is 5 % or less.

MEMBRANE ELECTRODE ASSEMBLY FOR FUEL CELL, AND FUEL CELL

Absstract of: WO2025211071A1

Provided is a membrane electrode assembly for a fuel cell, the membrane electrode assembly being capable of maintaining high gas diffusibility without allowing generated water to accumulate. The membrane electrode assembly for a fuel cell comprises: a catalyst layer having a first main surface and a second main surface; a gas diffusion layer disposed on the first main surface side; and an electrolyte membrane disposed on the second main surface side. The gas diffusion layer contains an electroconductive material and a polymer resin. The electroconductive material contains a fibrous carbon material. The strength S1 required to peel the interface between the catalyst layer and the gas diffusion layer is 31.2-1000 N·cm-2.

FUEL BATTERY BLOCK AND FUEL BATTERY SYSTEM

Absstract of: WO2025211001A1

A fuel battery block (200) comprises: a first plate member 21; a second plate member 22; a frame member 23; a plurality of first fuel battery cells 100a; and a plurality of second fuel battery cells 100b. In the first fuel battery cell 100a, a first lead-out part 14a is positioned on the first plate member 21 side, and a second lead-out part 12a is positioned on the second plate member 22 side. In the second fuel battery cell 100b, the second lead-out part 12a is positioned on the first plate member 21 side, and the first lead-out part 14a is positioned on the second plate member 22 side.

SYSTEM, METHOD OF CONTROLLING A SYSTEM, AND VEHICLE COMPRISING A SYSTEM

Absstract of: US2025313100A1

A system for a vehicle, the system comprising a hydrogen fuel storage system for storing hydrogen fuel; a recirculation hydrogen fuel system for transporting hydrogen fuel, the recirculation hydrogen fuel system having a fuel inlet configured to be in fluid communication with the hydrogen fuel storage system and further a fuel return line to the hydrogen fuel storage system, wherein the recirculation hydrogen fuel system is configured to be in fluid communication with a hydrogen fuel-consuming power source, the system further comprising an electrically powered compressor disposed in the recirculation hydrogen fuel system; and wherein the electrically powered compressor is controllable to pressurize hydrogen fuel in the recirculation hydrogen fuel system in response to a determined need for dissipating energy.

Rubber composition and rubber article incorporating same

Absstract of: US2025313688A1

The invention relates to a rubber composition based on at least one EPM copolymer or one EPDM terpolymer, and a rubber article incorporating it, such as a seal or a pipe (10) e.g. for an air, water, or cooling circuit equipping a fuel cell.The composition comprises:a filler comprising a carbon black and a lamellar inorganic filler,a processing aid system,a plasticizing system, anda crosslinking system comprising a peroxide,wherein the composition comprises, in mass percents:28-32% of carbon black, which is chosen from theASTM N600 or N700 series of blacks, andthose having a specific surface area of 15-25 m2/g, an iodine adsorption index of 16-24 mg/g, and a DBP absorption index of 90-110 mL/100 g,10-20% of the lamellar inorganic filler,1.0-6.0% of the processing aid system, which comprises a carbon black covering agent, and10-22% of the plasticizing system.

Self-Charging Battery-Powered Electric Vehicle

Absstract of: US2025313101A1

The present invention is a self-charging battery-powered electric vehicle (EV) that integrates a dual traction battery system and a hydrogen fuel cell to enhance driving range and efficiency. The EV features a first traction battery pack and a second traction battery pack, wherein a power controller automatically switches between battery packs and enables the hydrogen fuel cell to recharge the inactive pack while driving. A hydrogen fuel cell system, coupled with swappable (i.e., selectively removable) and fixed hydrogen tanks, generates electricity for battery charging and direct propulsion. Additionally, a hydrogen tank swapping station provides secure and automated hydrogen refueling. The system optimizes energy distribution based on driving patterns, terrain, and climate conditions.

IONOMERS WITH IONIC BIS(SULFONYL)IMIDE MOIETY AND MEMBRANES CONTAINING THE SAME

Absstract of: US2025313668A1

This disclosure provides ionomers comprising a polymeric backbone that includes highly acidic bis(sulfonyl)imide groups and methods of making these ionomers and membranes formed from these ionomers and devices comprising these ionomer membranes.

GAS-LIQUID SEPARATOR

Absstract of: US2025312717A1

The present disclosure relates to a gas-liquid separator including a housing member having an inlet port through which air is introduced, and a discharge port through which the air is discharged. A vortex generation member is provided in the housing member and is configured to generate a vortex in the air introduced into the housing member so that droplets contained in the air come into contact with an inner surface of the housing member. A variable pressure flow path is provided in the housing member as well, and is configured to guide the flow of air, from which the droplets are separated, to the discharge port and change pressure of the air from an inlet toward an outlet thereof, thereby obtaining an advantageous effect of ensuring efficiency in capturing droplets and minimizing an increase in differential pressure.

MEMBRANE ELECTRODE ASSEMBLY AND WATER ELECTROLYZER

Absstract of: US2025313968A1

An object of the present invention is to provide an electrode assembly in which an electrolyte membrane is kept from being deteriorated with durability improved. The present invention provides a membrane electrode assembly including an anode electrode on one surface of an electrolyte membrane and a cathode electrode on the other surface thereof, characterized in that the anode electrode includes a porous substrate (A), the cathode electrode includes a porous substrate (B), and the porous substrate (A) and the porous substrate (B) has a total thickness more than 1,000 μm.

METHOD AND APPARATUS FOR OPTIMIZING DESIGN BASED ON PERFORMANCE EVALUATION OF GAS DIFFUSION LAYER OF FUEL CELL

Absstract of: US2025315579A1

The present disclosure relates to a field of a fuel cell test, and in particular, to a method and an apparatus for optimizing design based on performance evaluation of a gas diffusion layer of a fuel cell. The method includes: determining an overall porosity of the gas diffusion layer of the fuel cell according to production requirements, and obtaining a plurality of porosity structures with the overall porosity; obtaining performance evaluation indexes of the gas diffusion layer of the fuel cell, and constructing a performance evaluation system for the gas diffusion layer of the fuel cell; calculating, with reference to evaluation functions and index weight ratios, performance comprehensive scores of the plurality of porosity structures in the performance evaluation system of the gas diffusion layer of the fuel cell; determining an optimal design scheme in the plurality of porosity structures according to the performance comprehensive scores.

AN ELECTRONICALLY COMMUTATED FUEL CELL SYSTEM

Absstract of: US2025316737A1

A fuel cell management system is disclosed herein. The fuel cell management system comprises: a first arrangement of fuel cells configured to provide a first voltage and a first current, where the first arrangement includes at least two fuel cells connected in series; a second arrangement of fuel cells configured to provide a second voltage and a second current, where the second arrangement includes at least two fuel cells connected in parallel; a plurality of switches coupled to fuel cells of the first arrangement and the second arrangement; and a control circuit configured to activate different switches of the plurality of switches to connect an output node of the fuel cell management system to one of a plurality of arrangements of fuel cells, where the plurality of arrangements of fuel cells includes the first arrangement and the second arrangement.

METHOD FOR STARTING A COMPRESSOR ASSEMBLY OF A FUEL CELL SYSTEM

Absstract of: US2025316733A1

The invention relates to a method for starting a compressor assembly of a fuel cell system, the compressor assembly comprising an electrically operable first compressor and a downstream second compressor, which is coupled, by means of a rotor, to a turbine disposed in a cathode path of the fuel cell system, and the method comprising the steps of starting the first compressor and accelerating the first compressor to a first rotational speed at least corresponding to an idling rotational speed of the first compressor, selecting a first rotational speed gradient from a first and a second rotational speed gradient value, wherein the first rotational speed gradient value exceeds the second rotational speed gradient value, accelerating the first compressor from the first rotational speed to a second rotational speed with the first rotational speed gradient, examining, during the acceleration to the second rotational speed, whether the rotor rotates freely or whether the rotor is blocked, accelerating the first compressor to a maximum starting rotational speed by means of a second rotational speed gradient if the rotor rotates freely, or maintaining the second rotational speed, examining the rotation again and accelerating the first compressor to the maximum starting rotational speed if the rotor rotates freely, wherein the first rotational speed gradient value is selected from environmental and operating parameters of the fuel cell system if it is more probable that a rotor of the

Verfahren zum Betreiben eines Brennstoffzellensystems; Brennstoffzellensystem

Absstract of: DE102024203207A1

Verfahren zum Betreiben eines Brennstoffzellensystems (100) mit mindestens einem Brennstoffzellenstack (11) in dem ein Kathodenraum (K) angeordnet ist und mit einer Kathodenzuleitung (31), die in Strömungsrichtung in den Kathodenraum (K) mündet, mit einer Rezirkulationsleitung (34), die mit der Kathodenzuleitung (31) verbunden ist und in der ein Rezirkulations-Ventil (35) angeordnet ist, wobei während eines Trocknungsvorgangs des Brennstoffzellenstacks die Luftfeuchtigkeit im Kathodenraum K eingestellt wird, indem folgende Schritte mindestens einmal durchgeführt werden:a. Ermitteln einer aktuellen Luftfeuchtigkeit in der Kathodenzuleitung (31)b. Vergleichen der aktuellen Luftfeuchtigkeit mit mindestens einem Grenzwert, der eine Luftfeuchtigkeit beschreibtc. Mindestens anteiliges Öffnen des Rezirkulations-Ventils (35) über eine erste Zeitdauer, wenn die aktuelle Luftfeuchtigkeit kleiner oder gleich ist als der mindestens eine Grenzwert

Elektrochemische Zelleneinheit

Nº publicación: DE102024203039A1 09/10/2025

Applicant:

BOSCH GMBH ROBERT [DE]
Robert Bosch Gesellschaft mit beschr\u00E4nkter Haftung