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FUEL CELL STACK

Absstract of: 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

Absstract of: 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

Absstract of: 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

Absstract of: 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.

BIPOLAR PLATE AND ELECTROCHEMICAL DEVICE COMPRISING A BIPOLAR PLATE

Absstract of: WO2026021954A1

Disclosed is a bipolar plate for an electrochemical unit of an electrochemical device comprising multiple successive electrochemical units in a stacking direction, wherein the bipolar plate comprises an anode gas passage opening, a cathode gas passage opening, an electrochemically active region, an anode gas distribution region and a cathode gas distribution region, wherein the anode gas distribution region comprises anode gas flow channels through which an anode gas can flow, and the cathode gas distribution region comprises cathode gas flow channels through which a cathode gas can flow, wherein the anode gas flow channels and the cathode gas flow channels are arranged relative to one another such that a projection of at least one anode gas flow channel onto a cathode-side bipolar plate layer perpendicular to the planar surface of a cathode-side bipolar plate layer intersects a cathode gas flow channel in an intersection region. In order to create a bipolar plate of said type in which a weld seam can have a greater longitudinal extent in an intersection region without a support frame of a membrane-electrode assembly of an electrochemical unit bulging too far into the anode gas flow channel, according to the invention, at least one anode gas flow channel is widened locally to such an extent that at least one anode-side ridge that bounds the anode gas flow channel is shifted in at least one section in a transverse direction of the anode gas flow channel which is perpendicular

METHOD FOR OPERATING A FUEL CELL SYSTEM, CONTROL DEVICE

Absstract of: WO2026021935A1

The invention relates to a method for operating a fuel cell system (100), in particular a mobile fuel cell system, comprising a fuel cell stack (101) with media channels which are dried by the application of air from an air path (10) before the fuel cell system (100) is switched off. Before the fuel cell system is switched off, the temperature T_K of a coolant in a cooling circuit (30) is detected and the drying time dt is adapted as a function of the temperature T_K. The invention also relates to a control device for a fuel cell system (100).

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

Absstract of: 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

Absstract of: 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

Absstract of: 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

Absstract of: 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.

WATER ELECTROLYSIS DEVICE AND A SYSTEM COMPRISING SUCH A WATER ELECTROLYSIS DEVICE

Absstract of: WO2026021999A1

The present invention relates to a water electrolysis device comprising a plurality of nanopillars. Each nanopillar has a vertical extension in relation to a plane of extension of a substrate supporting the nanopillars. Further, each nanopillar comprises a plurality of quantum dot segments of InxGa1-xN alloy, wherein each quantum dot segment is interposed along the vertical extension between barrier segments of GaN, wherein each quantum dot segment has a thickness of less than or equal to 20 nm along the vertical extension. Moreover, each nanopillar comprises a p-side portion constituting a photoanode and an n-side portion constituting a photocathode, wherein the photoanode comprises at least one quantum dot segment and the photocathode comprises at least one quantum dot segment, wherein the photoanode and the photocathode are separated by a depletion portion comprising GaN. A system for water electrolysis comprising such a water electrolysis device is also presented.

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

Absstract of: 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

Absstract of: 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

Absstract of: 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

Absstract of: 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

Absstract of: 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

Absstract of: 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.

MEDICAL DEVICE AND MEDICAL SYSTEM USING SAID MEDICAL DEVICE

Absstract of: US20260027300A1

A medical device includes a holder that may be applied to the skin of a patient, a biofuel cell, a pump configured for supplying blood to the biofuel cell, a sensor configured to emit a signal representative of a blood parameter, a control unit connected to the pump and the sensor, and a rechargeable battery electrically connected to the biofuel cell. The control unit is configured to perform a recharging procedure including the following steps: processing the signal emitted by the sensor, estimating a value of the blood parameter of the patient, comparing said estimated value with a threshold value, and, based on the comparison, commanding the activation of the pump for delivering a predetermined amount of blood to the biofuel cell for generation electricity and recharging the battery.

INCREASING FLOW RATE IN ELECTRODEIONIZATION DEVICES

Absstract of: 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

Absstract of: 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.

Fuel cell system

Absstract of: AU2026200185A1

22106811_1 (GHMatters) P122479.AU Abstract A fuel cell system (200, 300) and a method for operating the fuel cell system (200, 300). The fuel cell system (200, 300) comprising an anode inlet (226) and an anode outlet (227); means for heating the stack (205); an anode off gas recirculation loop (240) configured to provide a gas flow 5 path to recirculate anode off gas from the anode outlet (227) to the anode inlet (226); and a controller (290). The method comprising, at start-up of the fuel cell system (200, 300): heating the stack (205) to a first threshold temperature; providing an unreformed hydrocarbon fuel to the anode inlet (226) at a first fuel flow rate from a fuel supply (225) when but not before the stack (205) is above the first threshold temperature; recirculating anode off gas from the anode outlet 10 (227) to the anode inlet (226) while providing unreformed fuel to the anode inlet (226); and drawing a current from the fuel cell system (200, 300) while recirculating the anode off gas. Fig. 2 Abstract an b s t r a c t a n PCT/EP2022/055150 Fig. 2 + wo 2022/184712 an + a n

ELECTROCHEMICAL FLOW SYSTEM, REDOX FLOW BATTERY, AND ELECTROCHEMICAL REACTOR

Absstract of: AU2024311508A1

An electrochemical flow system is disclosed. In one arrangement, the electrochemical flow system comprises a plurality of flow cells. Each of the flow cells is configured to allow flow of an electrolyte through the flow cell and to contact the electrolyte in the flow cell with one or more electrodes. A flow management system is also provided, comprising a conduit arrangement comprising a first flow unit, the flow cells, and a second flow unit. The conduit arrangement is configured to guide a flow of the electrolyte from the first flow unit through the flow cells and into the second flow unit along an electrolyte flow path. A flow driving arrangement is also provided, configured to drive the flow of the electrolyte along the electrolyte flow path. The flow management system is configured to provide one or more insulating buffers, each insulating buffer spanning the electrolyte flow path upstream or downstream of the plurality of flow cells. The insulating buffer spans the flow path such that, during the flow of the electrolyte through the flow cells, electrolyte located within each flow cell is electrically separated from electrolyte in the other flow cells. This electrical separation is at least via paths through electrolyte respectively upstream or downstream of the plurality of flow cells, by the insulating buffer blocking the paths.

RECYCLING OF CATALYTIC COATED MEMBRANE COMPONENTS FROM FUEL CELLS AND REFORMERS

Absstract of: AU2024307386A1

The present invention relates to a method for recycling a membrane electrode assembly from a fuel cell or a reformer. Further, the present invention relates to a polymer or a polymer solution obtained from the method according to the invention and to the use of the obtained polymer or polymer solution.

FRAME BODY, CELL FRAME, BATTERY CELL, CELL STACK, AND REDOX FLOW BATTERY SYSTEM

Absstract of: AU2024292320A1

This plate-like frame body for use in a cell frame of a battery cell has a first main surface and a second main surface, which is the opposite surface to the first main surface, wherein: the first main surface includes a plurality of recessed portions that are open at the first main surface, and liquid grooves constituting a portion of flow passages of an electrolytic solution within the battery cell; and each of the plurality of recessed portions is distributed and arranged in a position different from that of the liquid grooves.

Vorrichtung, insbesondere elektrochemische Vorrichtung

Nº publicación: DE102024206960A1 29/01/2026

Applicant:

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