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592
results.
Updated on
19/12/2025 [06:48:00]
Results 575 to 592 of 592
Absstract of: US2025372673A1
A fuel cell power generation system and a control method thereof. The system includes ammonia decomposition device, ammonia removal device, fuel cell, first membrane humidifier, second membrane humidifier, first gas-water separator and air compressor, the first membrane humidifier is communicated between the ammonia decomposition device and anode of the fuel cell, the second membrane humidifier is communicated between the air compressor and cathode of the fuel cell, the air compressor is configured to feed compressed air into the cathode of the fuel cell; first outlet of the fuel cell is communicated with the anode of the fuel cell, and second outlet of the fuel cell is communicated with ingress of the first gas-water separator, a first egress of the first gas-water separator is communicated with the first membrane humidifier, and a second egress of the first gas-water separator is communicated with the second membrane humidifier.
Absstract of: US2025372685A1
The present invention relates to a method for producing an ion exchange membrane comprising the steps of: a. applying an ionic liquid comprising at least one polymerizable and/or crosslinking group at the cation and/or at the anion on a cellulosic substrate, wherein the cation of the ionic liquid is a heterocyclic aromatic comprising at least one nitrogen as heteroatom, andb. polymerizing and/or crosslinking said at least one polymerizable and/or crosslinking groups forming a polymer or copolymer layer on the cellulosic substrate.
Absstract of: US2025372686A1
This fuel cell (10) comprises a housing, a stack of electrochemical cells, a fixed end plate and a movable end plate (16) clamping the stack between them, and a guidance system (30) of the movable end plate restricting the displacement of the movable end plate perpendicular to a stacking direction (X). To control the positioning of the movable end plate, the guidance system comprises at least one compression member (32) exerting a compression force (E32) on the movable end plate, according to a compression direction (Y), two guide members (36A, 36B), fixed to the movable end plate, and two oblique abutments (38A, 38B), fixed to the housing, extending parallel to the stacking direction and oblique relative to the compression direction and relative to a centering direction (Z). Under the effect of the compression force, the guide members bear against the oblique abutments and center the movable end plate, parallel to the centering direction, relative to the housing.
Absstract of: US2025369518A1
A flap device for a fuel cell system includes a flow housing, a flap shaft projecting into a flow channel, a flap body arranged in the flow channel which is attached to the flap shaft, and a tolerance compensation element. The flap shaft is rotatable about a longitudinal axis. The flap body is adjustable together with the flap shaft at least between a closed and an open position. During an assembly of the flap device, the tolerance compensation element can be fastened to the flap shaft in different positions to bridge a gap between the flap shaft and the flap body, whereby the flap body contacts the tolerance compensation element, or the tolerance compensation element is fastened to the flap body in different positions transversely to the longitudinal axis to bridge a gap between the flap shaft and the flap body, whereby the flap shaft contacts the tolerance compensation element.
Absstract of: US2025368778A1
A polymer, a preparation method, a dispersant, a positive electrode slurry, a positive electrode plate, a secondary battery, and a power consuming apparatus are disclosed. The polymer includes a structure expressed by formula (I), where X includes at least one of a carboxyl group, an ester group, a sulfo group, a sulfonate group, a phospho group, and a phosphate group; X′ includes a non-polar group; and L includes a structural unit expressed by formula (II), where R1 includes a C1-12 alkylene group, a C6-12 arylene group or formula (A), R2 includes a C1-12 alkylene group, a C6-12 arylene group or formula (B), and R3 includes hydrogen or a C1-3 alkyl group, where EO represents —CH2—CH2—O—, PO represents —CH(CH3)—CH2—O—, m1 and m2 are each independently an integer between 3 and 60, and n1 and n2 are each independently an integer between 0 and 60.
Absstract of: US2025369138A1
A method for operating an electrolysis cell, to which an electrical electrolysis current is supplied in normal operation, in order to carry out an electrolysis of a substance arranged in a reaction chamber of the electrolysis cell is provided. The method includes a direct current being supplied as individual protective current to the electrolysis cell in an operating state different from normal operation. The invention addresses the problem of reducing the outlay for an improved protective function to avoid fuel cell operation of a particular electrolysis cell. According to the invention a clocked direct current is supplied to the electrolysis cell as the individual protective current.
Absstract of: US2025367857A1
The invention relates to a method for manufacturing a tank, said method comprising #: (i) manufacturing an elongate and unconsolidated textile preform comprising several layers of the thermoplastic composite tapes, each layer comprising at least one tape wound at a given angle, said preform being manufactured by means of a specific device, said preform being manufactured according to a method comprising: implementing feed means on each of the modules, said feed means comprising selected tapes, said selected tapes comprising at least thermoplastic composite tapes, setting the speed of advance VI and the speed of rotation V2 of each of the modules and switching each module on, cutting the elongate element and/or exhausting the supply of tapes, and recovering the unconsolidated elongate textile preform obtained: step i) comprising no step of braiding the tapes, (ii) consolidating the textile preform obtained in the preceding step by heating and cooling the thermoplastic composite tapes.
Absstract of: US2025367611A1
A method for the production of an ion-conducting membrane for a water electrolyser or a fuel cell is provided. The method comprises the step of mixing a first liquid stream comprising an ion-conducting polymer and a second liquid stream comprising a cerium-containing compound in-line to form a coating composition. The coating composition is then deposited onto a substrate to form a membrane layer. An apparatus for the production of an ion-conducting membrane for a water electrolyser or a fuel cell is also provided.
Absstract of: US2025372682A1
A steam generating device is disclosed. The steam generating device includes a container having an internal space; a space partition member including a first partition portion connected to a side wall of the container and having an opening formed in a central portion and a second partition portion extending downward from the opening, and configured to partition the internal space into a steam discharge space and a heating space; a preheating member arranged in the heating space of the container and configured to receive water from an external water supply device and preheat the water; a vaporization tube arranged in a coil shape surrounding the second partition portion in the heating space and having a first end portion connected to the preheating member and a second end portion in the steam discharge space; and a heating device configured to supply thermal energy to the heating space.
Absstract of: US2025369141A1
The invention relates to a method for recycling polymer membranes comprising metal-containing catalyst material. The method comprises the following steps adding water without adding organic solvents to a polymer membrane comprising a metal-containing catalyst material to form a polymer membrane/water mixture, simultaneously increasing the pressure and the temperature of the polymer membrane/water mixture to a pressure between 20 bar and 40 bar and a temperature between 200° C. and 250° C., a liquid phase and a solid phase being formed, and separating the liquid phase and the solid phase.
Absstract of: US2025372671A1
Provided is a fuel cell system that includes an electrochemical hydrogen pump (EHP) and a polymer electrolyte membrane fuel cell (PEMFC). The EHP comprises a first membrane-electrode assembly with a first electrolyte membrane, anode, cathode, and bipolar plate, while the PEMFC includes a second membrane-electrode assembly with similar components. Hydrogen generated by the EHP is supplied to the PEMFC's anode for power generation. The system features high-temperature operation, efficient hydrogen transfer via a silica adhesive, and optimized bipolar plates made from graphitic carbon with low resistance and thermosetting resin content. The system ensures efficient power generation with minimal hydrogen loss and operates without the need for additional mechanical or electrical balance of plant components.
Absstract of: US2025372679A1
An apparatus for controlling a vehicle is introduced. The apparatus may comprise a fuel cell, a sensor, an air compressor, and a processor configured to drive, based on an input indicating that the vehicle's ignition is on, the air compressor at a specified revolutions per minute (RPM) and control an air flow to prevent from entering the fuel cell, determine, based on sensor information from the sensor, whether a flow of air, driven by the air compressor, entering the vehicle from an outside is within a specified flow range, wherein the specified flow range may comprise a target flow, and change, based on the flow of the air entering the vehicle being outside the specified flow range, a parameter to adjust an oscillation of an output of the vehicle, wherein the output of the vehicle corresponds to the specified RPM.
Absstract of: US2025372666A1
A manufacturing method of a catalyst for fuel cells using an electron beam, a catalyst for fuel cells manufactured thereby, and a membrane electrode assembly for fuel cells including the same, in which the catalyst for fuel cells is manufactured in a one-pot process to improve electrochemical performance and process efficiency of the membrane electrode assembly including the catalyst for fuel cells. The method comprises preparing a precursor dispersion liquid with a support, ceramic precursor, and metal catalyst precursor dispersed in a solvent, synthesizing the catalyst by radiating an electron beam to form ceramic and metal catalyst particles supported on the support, and heat-treating the catalyst. This process results in a catalyst that enhances the electrochemical performance and overall efficiency of the fuel cell's membrane electrode assembly.
Absstract of: US2025372669A1
A thermal management system for a fuel cell vehicle can include a compressor configured to compress refrigerant, a refrigerant-water heat exchanger provided to enable the compressor to suction the refrigerant therein, wherein the refrigerant-water heat exchanger has a first heat exchanger configured to perform heat exchange between the refrigerant and product water from a fuel cell discharge, an accumulator provided to enable the compressor to suction the refrigerant therein, wherein the accumulator has a second heat exchanger configured to perform heat exchange between the refrigerant and the product water, a flow control valve installed on a product water line configured to supply the product water, wherein the flow control valve controls an opening state thereof to selectively supply the product water to at least one of the first heat exchanger and the second heat exchanger, and a controller configured to control the opening state of the flow control valve.
Absstract of: US2025372684A1
An electrolyte membrane can include a porous support and an oligomeric ionomer with which the support is impregnated, and a method of manufacturing the same. The electrolyte membrane can include a support including a reaction product of a benzimidazole-based polymer and a crosslinking agent, and an oligomeric ionomer with which the support is impregnated and containing a proton conductive group.
Absstract of: US2025372677A1
A method of controlling a fuel cell vehicle includes determining whether a fuel cell stack is in a dry state based on relative humidity of supplied air depending on an operating temperature of the fuel cell stack or whether a battery of the vehicle is expected to be overcharged while the vehicle equipped with the fuel cell stack and the battery connected to the fuel cell stack is traveling, and switching a driving mode of the vehicle to a durability improvement mode in which at least one of the operating temperature of the fuel cell stack or an air flow rate supplied to the fuel cell stack is controlled if the fuel cell stack is in a dry state or the battery is expected to be overcharged as a result of the determination.
Nº publicación: US2025372674A1 04/12/2025
Applicant:
SUMITOMO ELECTRIC IND LTD [JP]
Sumitomo Electric Industries, Ltd
Absstract of: US2025372674A1
A tank for storing an electrolyte in a redox flow battery system includes a tank body which has an internal space separated from the outside, and a cover member, at least a surface of which is solid, wherein the cover member is disposed to float on a liquid surface of the electrolyte stored in the internal space so as to cover the liquid surface, and an area of the liquid surface that is covered by the cover member is 0.90 times or more and 0.99 times or less the entire area of the liquid surface.
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