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PROCESS AND MEMBRANE

Resumen de: US20260031366A1

A process for producing an ion-conducting membrane comprising a recombination catalyst-containing membrane layer. The membrane layer if fabricated from an ink comprising a stabilised dispersion of recombination catalyst nanoparticles. Also provided are ion-conducting membranes for electrochemical devices, such as fuel cells or water electrolysers, with a recombination catalyst-containing membrane layer comprising dispersed recombination catalyst nanoparticles, a nanoparticle stabilising agent, and an ion-conducting polymer.

OXIDIZED SULFUR HETEROCYCLES FOR NON-AQUEOUS REDOX FL0W BATTERIES

Resumen de: US20260031380A1

Disclosed herein are a variety of systems, compositions, and methods for reversibly storing electrical energy in a redox flow battery with a unit cell potential equal to or greater than 3.0 volts (V). The system may include an electroactive redox molecule, a positive section, and a negative section. The electroactive redox molecule may comprise an anolyte moiety comprising a multi-ring conjugated system comprising at least one sulfone group, wherein an anolyte reaction occurs at a cell potential less than −1.50 V. The positive section may comprise a first metal electrode in contact with the electroactive bipolar redox molecule and a supporting electrolyte dissolved in a solvent. The negative section may comprise a second metal electrode in contact with the electroactive bipolar redox molecule and additional electrolyte dissolved in additional solvent.

FUEL CELL SYSTEM INCLUDING ALCOHOL VAPORIZATION COMPONENTS AND METHOD OF OPERATING THE SAME

Resumen de: US20260031379A1

A method of operating a fuel cell system includes vaporizing a liquid fuel in a vaporizer located in a hot box using heat generated by the fuel cell system to form a fuel vapor, and providing the fuel vapor to a stack of fuel cells located in the hot box to generate power.

ELECTROLYTE COMPOSITIONS WITH HIGH BUFFER CONCENTRATIONS

Resumen de: US20260031381A1

An electrolyte solution including a redox active species and a buffer is described. The concentration of both the redox active species and the buffer in the electrolyte solution is greater than 0.4 M. The pH of the electrolyte solution is in the range of from 5 to 11. In some embodiments of the electrolyte solution, the concentration of the buffer is equal to or greater than the concentration of the redox active species.

FUEL BATTERY MODULE AND FUEL BATTERY DEVICE

Resumen de: US20260031378A1

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.

FUEL CELL STACK

Resumen de: US20260031369A1

A fuel cell stack may include a cell part including fuel cells stacked in a stacking direction, wherein each fuel cell may include: a support frame supporting a membrane electrode and gas diffusion layer assembly; and a first separator and a second separator interposing the support frame therebetween in the stacking direction; and a sealing plate facing one of opposing end surfaces of the cell part in the stacking direction. Each fuel cell may further include through holes forming manifolds in the cell part. When viewed in the stacking direction, the sealing plate may be devoid of through holes in its area overlapping the manifolds formed in the cell part. The sealing plate may include a substrate, and at least one of a plurality of first separators and a plurality of second separators may include the same substrate except for presence of the through holes.

VOLTAGE MONITORING ARRANGEMENT FOR AN ELECTRIC CELL STACK, PARTICULARLY FOR A FUEL CELL STACK

Resumen de: US20260031374A1

A voltage monitoring arrangement is provided for an electric cell stack including a plurality of electric plates sandwiching insulation layers, wherein the voltage monitoring arrangement is configured to monitor a voltage of at least one electric plate of the electric cell stack, wherein the voltage monitoring arrangement includes at least one voltage monitoring unit with a contact element being in contact with the at least one electric plate, a first signal line being configured to supply a first signal from a signal source to a processing unit, wherein the voltage monitoring unit includes a first signal path interrupting element interposed in the first signal line, wherein the first signal path interrupting element is connected to the contact element and is configured to forward the first signal dependent on a voltage being present at the at least one electric plate, wherein the voltage monitoring arrangement includes a support element being designed to be arranged within the electric cell stack, wherein the support element is configured to support at least the contact element.

MANAGING OPERATION OF A FUEL CELL SYSTEM IN A FUEL CELL VEHICLE

Resumen de: US20260031375A1

A system and method for controlling operation of a fuel cell system of a fuel cell vehicle are provided. The method comprises estimating an expected duration of a shutdown of the fuel cell system; determining a time until a next freeze preparation of the fuel cell system when a hydrogen protection time at the anode side is to be extended during the shutdown; in response to determining that the expected duration of the shutdown is shorter than the time until the freeze preparation, enabling a hydrogen refill at the anode side; and, in response to determining that the expected duration of the shutdown is longer than the time until the freeze preparation, and in response to determining that power produced by the fuel cell system during a cathode oxygen depletion to be performed after the freeze preparation cannot be supplied to at least one power consumer, disabling the hydrogen refill.

METHOD AND SYSTEM FOR STORING GRID ELECTRICITY AND DISPENSING THE STORED ELECTRICITY ON DEMAND

Resumen de: US20260031377A1

The present invention relates to a method of supplying electricity to an electrical load including steps of providing an alkaline solution, reacting the alkaline solution with silicon so as to produce hydrogen. processing the hydrogen in a fuel cell to generate electricity, and supplying the electricity from an output of the fuel cell to the electrical load via a suitable electrical interfacing module.

FUEL CELL STACK

Resumen de: US20260031370A1

A fuel cell stack is provided which includes at least a fuel cell stack body with a plurality of unit fuel cells, wherein each unit fuel cell includes a bipolar plate and a membrane electrode assembly, which are alternatingly stacked in a stacking direction, a first and second terminal plate sandwiching the fuel cell stack body, wherein the first and second terminal plate are adapted to collect the electric energy generated by the fuel cell stack body, a first and second end plate which sandwich the first and second terminal plate, and a housing, wherein the housing includes at least a bottom plate, a stack enclosure configured to cover the side faces of the fuel cell stack, and a top plate, wherein the first end plate is configured as the bottom plate of the housing and is provided with at least one protruding connection element which protrudes laterally from the first end plate and is configured to connect the stack enclosure to the first end plate.

ELECTRIC POWER SUPPLY SYSTEM

Resumen de: US20260031372A1

Provided is an electric power supply system capable of efficiently storing and discharging hydrogen.The electric power supply system includes a hydrogen storage unit, a holding unit including a first holding device that holds a first hydrogen tank, a second holding device that holds a second hydrogen tank, and a third holding device that holds a third hydrogen tank, and a fuel cell that generates electric power based on hydrogen supplied from the hydrogen storage unit. For a hydrogen tank that receives hydrogen supplied from the hydrogen generation unit, a valve between the hydrogen tank and the hydrogen generation unit is opened, and a valve between the hydrogen tank and the fuel cell is closed during the reception of supplied hydrogen. For a hydrogen tank that supplies hydrogen to the fuel cell, a valve between the hydrogen tank and the hydrogen generation unit is closed, and a valve between the hydrogen tank and the fuel cell is opened during the hydrogen supply. For a hydrogen tank that does not receive hydrogen supplied from the hydrogen generation unit and does not supply hydrogen to the fuel cell, a valve between the hydrogen tank and the hydrogen generation unit is closed, a valve between the hydrogen tank and the fuel cell is closed, and the hydrogen tank is removably held by the holding unit.

INTEGRATED MEMBRANE ASSEMBLY FOR AN ELECTROCHEMICAL CELL AND METHOD OF MAKING THE SAME

Resumen de: US20260031371A1

An electrochemical cell includes an integrated membrane assembly, a first bipolar plate arranged on a first side of the integrated membrane assembly, and a second bipolar plate arranged on a second side of the integrated membrane assembly. The integrated membrane assembly includes a first gas diffusion layer, a second gas diffusion layer spaced apart from the first gas diffusion layer, a membrane located between the first gas diffusion layer and the second gas diffusion layer, and a plurality of bond members adhered to the first gas diffusion layer or the second gas diffusion layer. The first bipolar plate is formed to include at least one first pressure relief channel, and the second bipolar plate is formed to include at least one second pressure relief channel.

PURIFYING METHOD FOR AN ELECTROLYTE LIQUID OF A REDOX FLOW BATTERY

Resumen de: US20260031373A1

In order to efficiently reduce the concentration of contaminants in an electrolyte liquid suitable for a redox flow battery, the electrolyte liquid, after passing through the negative half-cells of the one or more cell stacks, passes through positive half-cells of the one or more cell stacks of the purifying redox flow battery, without passing through a second tank, via a connecting device that connects the negative half-cells and the positive half-cells of a cell stack to one another.

METAL-AIR FUEL BATTERY SYSTEM WITH FOLLOW-UP ADJUSTMENT OF LARGE-SIZED ANODE

Resumen de: US20260031437A1

A metal-air fuel battery system with follow-up adjustment of a large-sized anode is provided, which relates to a technical field of a battery. The battery system includes a flexible case, a follow-up adjustment module and a drive mechanism, where the flexible case, as an electrochemical reaction space, is configured to accommodate an electrolyte solution and a metal ingot therein, and have a flexible air electrode embedded in an inner wall thereof; the follow-up adjustment module is configured to change a shape of the flexible case according to a size change of the metal ingot, to reduce the electrochemical reaction space; and the drive mechanism is configured to control action of the follow-up adjustment module.

Methods for Electrochemical Mechanistic Analysis of Cyclic Voltammograms

Resumen de: US20260029471A1

Systems and methods for automatic analysis of underlying electrochemical mechanisms of various electrochemistry systems are described. The automatic analysis can reduce manual analysis performed by humans to a minimum. Electrochemical mechanisms of electrochemical systems measured by cyclic voltammograms can be characterized, categorized and ranked. The deep learning-based processes can provide qualitative, semi-quantitative, and/or quantitative results to deconvolute complex electrochemical systems.

METHOD AND ASSOCIATED APPARATUS FOR CONTROLLING THE POWER OF A FUEL CELL STACK

Resumen de: US20260031376A1

Methods and associated apparatuses for controlling the power of a fuel cell stack are disclosed. One disclosed method includes (i) determining to change the output power of the fuel cell stack to a target power value, (ii) determining the temperature of the fuel cell stack, and (ii) adjusting the output power of the fuel cell stack when the temperature of the fuel cell stack is greater than or equal to a predetermined temperature threshold. In this manner, the adjustment of the output power of the fuel cell stack can be adapted to the temperature of the fuel cell stack, thereby enabling the amount of water generated by the fuel cell stack to vary with temperature. Thus, the humidity of the membrane electrode in the fuel cell stack can be maintained within a reasonable range at different temperatures, thereby ensuring the operational efficiency of the fuel cell system.

MEMBRANE ELECTRODE ASSEMBLY UTILIZING STAMPED BIPOLAR PLATE ARRANGEMENT

Resumen de: US20260028731A1

A bipolar plate arrangement comprises a first plate portion and a separate second plate portion juxtaposed and connected to one another, the first plate portion and the second plate portion defining a plurality of aligned port apertures. An inner seal is positioned between the first plate portion and the second plate portion, the inner seal, the first plate portion, and the second plate portion together defining a plurality of fluid passages providing fluid communication between the port apertures and a corresponding fluid aperture defined in one of the first plate portion or the second plate portion.

ANTI-WINDUP CONTROL TECHNIQUES FOR OVERVOLTAGE MANAGEMENT IN FUEL CELL ELECTRIC VEHICLES

Resumen de: US20260027949A1

An overvoltage management system for a fuel cell electric vehicle (FCEV) includes a power sensor configured to measure a power output by a fuel cell system of the FCEV, wherein the fuel cell system is configured to generate electric current for recharging a high voltage battery system of the FCEV and a control system to determine a power command for the fuel cell system, receive the measured power output by the fuel cell system, calculate a difference between the measured power output and the power command, and based on the calculated difference, control an integrator of a feedback controller for the fuel cell system to prevent windup of the feedback controller and an overvoltage malfunction of the high voltage battery system.

MOLDING METHOD AND MOLD

Resumen de: US20260027759A1

Disclosed herein are a molding method and a mold capable of further reducing the distance between a base material and a seal member. A molding method includes: a preforming step of injecting a rubber material into a groove at a temperature where the rubber material is not vulcanized, in a cavity plate including the groove into which the rubber material is injected; and a vulcanization molding step of sandwiching a base material between the cavity plate and a mold, and molding the rubber material onto the base material as a seal member at a temperature where the rubber material is vulcanized. The cavity plate includes a gap forming portion between such portion and an inclined portion of the base material when a flat surface and a flat surface of the base material are pressed in the vulcanization molding, and a connecting groove connecting the groove and the gap forming portion.

FUEL CELL VEHICLE

Resumen de: US20260027919A1

Disclosed is a fuel cell vehicle capable of using an electric vehicle-dedicated platform. The fuel cell vehicle includes a fuel cell unit, a hydrogen tank, and a battery disposed in a hydrogen area located between front wheels and rear wheels, and includes a frame coupled to a vehicle body and configured to allow the fuel cell unit, the hydrogen tank, and the battery to be mounted thereto.

DUAL AIR INTAKE SYSTEM FOR A VEHICLE

Resumen de: US20260027918A1

A dual air intake system for supplying air to one or more fuel cells of a vehicle. The dual air intake system comprises a pair of air intakes comprising a respective pair of dividers, a pair of outlet channels coupled to the respective pair of air intakes, a pair of air filters coupled to the respective pair of outlet channels, and a manifold coupled to the pair of air filters. The air intakes are coupled to a cab of the vehicle facing outwards relative to a travel direction of the vehicle and further arranged at a sustainable height from front wheels of the vehicle for receiving the air and removing water/moisture from the received air. Due to such an arrangement of the air intakes, amount of cleaner air is uniformly supplied to the fuel cell(s) even during negative pressure effects on any of the air intakes.

METHOD OF PRODUCING SEPARATOR PLATES BY HOT COMPACTION

Resumen de: US20260027755A1

A method for producing a separator plate, where a malleable compound of thermo-plastic polymer and electro-conductive filler is provided for hot-compacting into a separator plate. The compound is inserted into a press-form, which is heated to a first predetermined temperature in a heating station, and only then inserted into a press for hot compaction between press blocks, which simultaneously during the compaction take up thermal energy for cooling the press-form and the sheet, that is resulting in the separator plate.

INSULATION FILLING DEVICE FOR FUEL REFORMER

Resumen de: US20260027748A1

Embodiments relate to an insulation filling device for a fuel reformer, comprising: a feeder for supplying a powder insulation material; a stirrer for mixing the powder insulation material with a liquid binder for the agglomeration of the particles of the powder insulation material to form an insulation paste; and a thermal molding device for compressing said insulation paste to form a plurality of insulation molds having a predetermined shape and filling the insulation space of the fuel reformer with said insulation molds.

INCREASING FLOW RATE IN ELECTRODEIONIZATION DEVICES

Resumen de: US20260027522A1

An electrodeionization device includes a spacer comprising a first inlet port, a first outlet port, a first plurality of first flow channels configured to direct fluid in a first direction from the first inlet port to the first outlet port, and a second flow channel in series fluid communication with the first plurality of first flow channels between the first inlet port and first outlet port and configured to direct fluid in a second direction different from the first direction from the first inlet port to the first outlet port.

PRESSURE RETARDED OSMOSIS JELLY ROLL MEMBRANE ASSEMBLY

Nº publicación: US20260027524A1 29/01/2026

Solicitante:

JOHNSON LONNIE G [US]
Johnson Lonnie G

Resumen de: US20260027524A1

A membrane assembly for extracting water from ambient air or seawater includes a manifold tube surrounded by a membrane web arranged about the manifold tube in a spiral configuration. The manifold tube has an entrance end, an exit end, web entrance ports, and web exit ports. The web membrane has a first osmosis membrane, a second osmosis membrane, a barrier layer positioned between the first osmosis membrane and the second osmosis membrane to form a first fluid flow conduit in fluid communication with the web entrance ports and a second fluid flow conduit in fluid communication with the web exit entrance ports and an end of the first fluid flow conduit. The web membrane also has a first porous structural material layer positioned within the first and second fluid flow conduit, and a second porous structural material layer positioned about the first osmosis membrane.