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583
resultados
Última actualización
22/10/2025 [06:50:00]
Resultados 150 a 175 de 583
Resumen de: US2025323302A1
A membrane electrode assembly includes a cathode disposed on one end and an anode disposed on an opposite end from the cathode. The membrane electrode assembly also includes a proton exchange membrane disposed between the cathode and the anode. Additionally, the anode further includes at least one catalyst layer including a catalyst active material, carbon support material, at least one ionomer, and polymelamine formaldehyde polymer as an additive.
Resumen de: WO2025217410A1
A carbon-oxygen battery system, including a Boudouard reactor in fluid communication with an electrochemical cell; a carbon store configured to store carbon; a gas store in fluid communication with the electrochemical cell, and a fuel gauge. The gas store is configured to separately store oxygen and a carbon-containing gas, wherein the gas store comprises a movable barrier separating the oxygen from the carbon-containing gas. The fuel gauge configured to determine a state of charge based on a position of the movable barrier, a mass of the oxygen in the gas store, a mass of the carbon-containing gas in the gas store, a mass of carbon in the carbon store, a volume of carbon in the carbon store, or a combination thereof. The gas store and the electrochemical cell form a closed system.
Resumen de: WO2025217434A1
A methane-oxygen battery system including an electrochemical cell including a positive electrode, a negative electrode, and an electrolyte; a reactor in fluid communication with the negative electrode; a fuel gauge; and a gas store including a first compartment in fluid communication with the positive electrode and configured to store oxygen, a second compartment in fluid communication with the negative electrode and configured to store carbon dioxide and water, a third compartment in fluid communication with the negative electrode or the reactor and configured to store methane, a first barrier between the first compartment and the second compartment, and a second barrier between the second compartment and the third compartment. The gas store and the electrochemical cell form a closed system. The fuel gauge is configured to determine a state of charge based on a position of at least one of the first barrier or the second barrier.
Resumen de: WO2025217411A1
Described herein are functionally graded solid-state electrolytes and methods of making the same. In some embodiments, the electrolytes comprise a multi-polymer electrolyte gradient comprising poly(acrylonitrile) (PAN) polymer and poly(ethylene oxide) (PEO) polymer. In some embodiments, the methods of making such electrolytes comprise combinatory aerosol jet printing techniques using aerosolized ink streams comprising polymer electrolytes. The functionally graded solid-state electrolytes described herein have reduced resistance and improved lithium-ion transport and conductivity relative to conventional heterogeneous multilayered solid-state electrolytes. Also described herein are lithium-ion solid-state batteries comprising functionally graded solid-state electrolytes.
Resumen de: WO2025216387A1
Disclosed is a polymer electrolyte membrane for enhancing the performance of a membrane-electrode assembly. According to an aspect of the present invention, a polymer electrolyte membrane is provided where one or more holes are formed in at least one surface, at least one of the one or more holes including functional nanoparticles therein, wherein the arithmetic average roughness (Ra) of at least one surface of the polymer electrolyte membrane is 0.11 μm to 0.35 μm.
Resumen de: WO2025215981A1
This binder for a fuel cell comprises a polymer of a monomer selected from N-vinylimidazole, a derivative of N-vinylimidazole, and a mixture thereof, and has features of being usable under non-humidified high temperature conditions and having a low environmental impact since the binder contains no fluorine atom. The binder is suitable as, for example, an ink binder for forming a catalyst layer of a fuel cell.
Resumen de: WO2025215980A1
This electrolyte membrane for a fuel cell comprises a polybenzimidazole nanofiber and a polymer of monomers selected from N-vinylimidazoles, derivatives of N-vinylimidazoles, and mixtures thereof, and is characterized by, as a result of containing no fluorine atoms, causing little environmental loads, and undergoing little deterioration in high-temperature regions of 80°C or higher.
Resumen de: WO2025216255A1
In the present invention, a DC-DC converter-less fuel cell system (1) comprises: an FC (11); a battery (12); an inverter (13); a hydrogen system (21); an air system (22); an FC relay (18) provided between the FC (11) and the inverter (13); a battery relay (19) provided between the battery (12) and the inverter (13); and a control device (20) for controlling the hydrogen system (21), the air system (22), the FC relay (18), and the battery relay (19). When the system is started, the control device (20) connects both relays (18, 19), and then commences supplying hydrogen from the hydrogen system (21) to the FC (11) and supplying air from the air system (22) to the FC (11).
Resumen de: WO2025216456A1
The present invention generally relates to implantable continuous blood glucose measurement technology. In particular, the present invention relates to an implantable continuous blood glucose measurement device for continuously measuring blood glucose in the body of a user, in which an oscillator for generating a variable frequency output signal corresponding to a voltage or current applied to both ends thereof is connected to a glucose fuel cell for generating electrical energy by glucose in the body, comprises an LED element, which is turned on or off by the output signal of the oscillator, or an antenna for wirelessly transmitting the output signal of the oscillator. The present invention has the advantage that blood glucose can be continuously measured in a state in which a blood glucose sensor is implanted in the body, without having to replace same.
Resumen de: WO2025215991A1
A diagnostic device (30, 30A) diagnoses a reactor (FC, EC). The diagnostic device comprises an impedance measurement unit (32, 32A) that measures the internal impedance of the reactor, and a storage unit (M) in which there is stored an equivalent circuit model simulating the electrochemical characteristics of the reactor. The diagnostic device furthermore comprises: a parameter identification unit (34, 34A) that identifies parameters within the equivalent circuit model; and a state diagnosis unit (36, 36A) that diagnoses the internal state of the reactor on the basis of the equivalent circuit model, in which the parameters identified by the parameter identification unit (34, 34A) are used. The equivalent circuit model includes one or more anode diffusion resistors and one or more anode diffusion capacitances as parameters indicating the gas transport characteristics of an anode of the reactor. The parameter identification unit identifies parameters including an anode diffusion resistor and an anode diffusion capacitance on the basis of a physical quantity having a correlation with the gas diffusion rate in the anode of the reactor.
Resumen de: US2025320099A1
A system includes a plurality of power modules connected in parallel and a variable current load controller coupled to the plurality of power modules. The input terminals of the plurality of power modules are configured to be coupled to an output of a fuel cell stack, and the output terminals of the plurality of power modules are configured to supply power to a forklift. The plurality of power modules is further configured to provide electrical isolation between the fuel cell stack and the forklift. The variable current load controller is configured to regulate power distribution among the plurality of power modules.
Resumen de: US2025319909A1
A railway vehicle, comprises a traction motor, a hydrogen tank, a roof box forming a housing, a replaceable power unit, separate from the traction motor and the hydrogen tank, the replaceable power unit comprising a support, a compressor and a fuel cell. The replaceable power unit has a mounted configuration, in which the replaceable power unit is received and secured into the housing, the fuel cell being fluidly connected to the hydrogen tank, fluidly connected to the compressor and electrically connected to the traction motor, and an extracted configuration, in which the replaceable power unit is separated from the housing with the compressor and the fuel cell still secured to the support, the compressor still fluidly connected to the fuel cell and the fuel cell fluidly separated from the hydrogen tank and electrically separated from the traction motor.
Resumen de: US2025319462A1
An ion exchanger filter device comprises a housing comprising a central tube extending in an axial direction, and at least two receiving compartments respectively enclosing at least two ion exchanger cartridges, the at least two receiving compartments being arranged circumferentially and in fluid connection with the central tube, each of the at least two ion exchanger cartridges comprising a cartridge container with a circumferentially extending wall enclosing a receptacle filled with an ion exchanger material, and the circumferentially extending wall comprising one or more outflow ports distributed at or about a circumference of the circumferentially extending wall. The ion exchanger filter further comprises a connector comprising at least one inflow opening and at least one outflow opening for a medium, the connector being in fluid connection to a central opening of the housing. The medium flows through the at least two ion exchanger cartridges in parallel.
Resumen de: US2025319431A1
A hydrogen-permeable filter includes a tungsten mesh including a plurality of tungsten wires that are woven. For example, the plurality of tungsten wires each have an elongation percentage greater than or equal to 5%. For example, the plurality of tungsten wires each have a tensile strength greater than or equal to 1600 MPa. For example, the plurality of tungsten wires each have a diameter less than or equal to 40 μm.
Resumen de: US2025323297A1
The invention relates to a method for operating a cell stack (12) comprising a number of electrochemical cells (10) which are arranged one above the other, are sealed off from one another, and through which a gaseous medium (38), in particular H2, flows, which gaseous medium leaves the cell stack (12) via at least one outlet channel (32; 84, 86). According to one variant, one outlet channel (32) for the gaseous medium (38), in particular H2, comprises open ends (52) at its ends for the outflow of the gaseous medium (38). In a second embodiment, a first outlet channel (84) for the gaseous medium (38), in particular H2, and a second outlet channel (86) for the gaseous medium (38), in particular H2, are alternately opened or closed at their ends by means of diagonally acting pairs (96, 98) of valves (88, 90, 92, 94) in such a way that, at the first and at the second outlet channel (84, 86), one end is always a closed end (50), and an opposite end is always an open end (52).
Resumen de: WO2025214036A1
Provided in the present invention are a closed cathode structure of an air-cooled fuel cell and a fuel cell system. The structure comprises an air inlet and a hydrogen outlet/inlet arranged on the left side, and a hydrogen inlet/outlet and an air outlet arranged on the right side, wherein the middle part between the two sides is a reaction zone in which an anode hydrogen flow channel, a cathode air flow channel and a heat dissipation air flow channel are provided; the reaction area comprises a hydrogen reaction zone and an air reaction zone; an air inlet of the cathode air flow channel is close to a heat dissipation air inlet of the heat dissipation air flow channel; and an air outlet of the cathode air flow channel is close to a heat dissipation air outlet of the heat dissipation air flow channel. The closed cathode structure of the air-cooled fuel cell and the fuel cell system optimize the hydrothermal balance layout, eliminate a wet-cold area and a dry-hot area, improve the utilization efficiency of a catalyst and a proton exchange membrane, and increase the current density.
Resumen de: WO2025213696A1
Conductive carbon and a preparation method therefor, and a battery and an electric apparatus, which relate to the field of batteries. The battery comprises conductive carbon, wherein an ID1/IG1 value of the conductive carbon is 0.2 to 1.01, and an ID2/IG2 value thereof is 0.3 to 1.99; and ID1 is the peak intensity of a D peak in a Raman spectrum of the conductive carbon, IG1 is the peak intensity of a G peak in the Raman spectrum of the conductive carbon, ID2 is the peak area of the D peak in the Raman spectrum of the conductive carbon, and IG2 is the peak area of the G peak in the Raman spectrum of the conductive carbon. When the conductive carbon is applied, as a conductive agent, to a negative electrode sheet of an olivine-structured transition metal phosphate-based battery, the ID1/IG1 and ID2/IG2 of the conductive carbon are controlled within the ranges to effectively control the degree of a defect of the conductive carbon, thereby reducing the consumption of active lithium in the whole negative electrode sheet, improving the storage capacity retention rate of the battery, and prolonging the storage life.
Resumen de: WO2025213651A1
The present invention relates to a method for preparing polyarylsulfone ether on the basis of a double-end-capping method. In the method, a bifunctional phenol and a bifunctional halogenated arylsulfone are used as raw materials, and are subjected to a condensation polymerization reaction in an organic solvent in the presence of an inorganic caustic alkali or inorganic caustic salt to prepare polyarylsulfone ether. After the molecular weight of the polyarylsulfone ether reaches a preset value, a halogen-eliminating metal phenate end-capping agent is added to a polymerization system, thereby removing an end group of a halogen atom and also achieving control over the molecular weight distribution during polymerization; and after a predetermined molecular weight is reached by means of condensation polymerization, a high-activity metal-phenate-removing aromatic end-capping agent is added to the polymerization system to remove a metal phenate end group and terminate the condensation polymerization reaction, and to make the polyarylsulfone ether have an aromatic end group and also contain necessary functional groups during end-capping. The obtained polyarylsulfone ether not only has good comprehensive performance, but can also meet the subsequent requirements of application fields; and by using end-capping agents containing corresponding functional groups, the requirements of different application scenarios for the polyarylsulfone ether can be met by means of the end-capping reacti
Resumen de: US2025323300A1
A fuel exhaust dilution structure may include a first chamber and a second chamber. The first chamber may include a first inlet through which a fuel exhaust stream generated by a fuel cell stack enters the fuel exhaust dilution structure, a second inlet for receiving ambient air, and a tunnel within the first chamber and connected to the first inlet. The tunnel receives the fuel exhaust stream from the first inlet, and is positioned and shaped to draw the ambient air into the first chamber through the second inlet. The second chamber may be connected to the first chamber. The second chamber is configured to receive and mix the fuel exhaust gas and the ambient air to generate a mixed gas. The second chamber includes an outlet through which the mixed gas exits the fuel exhaust dilution structure.
Resumen de: US2025323294A1
A vehicle control apparatus may identify a first sensing value for measuring a flow rate of air corresponding to a first RPM while the air is supplied to a fuel cell stack from an outside of the vehicle control apparatus by driving an air compressor based on the first RPM, obtain a first amount of change in a temperature of a coolant flowing using a cooler and a second amount of change in a temperature of the air compressor during a first time during which the air compressor is driven based on the first RPM, obtain a first flow rate value representing the flow rate of the air supplied to the fuel cell stack by using the first amount of change in the temperature of the coolant and the second amount of change in the temperature of the air compressor.
Resumen de: US2025323305A1
The fuel cell module includes an auxiliary device assembly including a fuel cell stack and an air compressor, and a frame member supporting the auxiliary device assembly. The frame member includes: a pair of side members extending in a first direction; a pair of cross members extending along a second direction perpendicular to the first direction, arranged in a rectangular shape together with the side members, and shorter than the side members; and four connecting members connecting the side members and the cross members arranged in a rectangular shape to each other. The fuel cell stack is fixed to each of the side members and is fixed to one of the cross members or a connecting member connected thereto. The auxiliary device assembly is fixed to each of the side members and is fixed to the other of the cross members or a connecting member connected thereto.
Resumen de: US2025323301A1
An all-iron redox flow battery comprising a first electrolyte tank configured to contain a first electrolyte solution and a second electrolyte tank configured to contain a second electrolyte solution; a flow cell comprising a negative flow half-cell configured for passing through first electrolyte solution and a positive flow half-cell configured for passing through second electrolyte solution; a third electrolyte tank, distinct from the first and second electrolyte tanks, configured to contain a third electrolyte solution, wherein the battery is configured to selectively provide fluid communication of the third electrolyte tank with at least one of the first electrolyte tank and the second electrolyte tank; and a rebalancing cell comprising a negative rebalancing half-cell and a positive rebalancing half-cell, wherein the negative rebalancing half-cell is configured to receive hydrogen gas from the first electrolyte tank and/or from a separate hydrogen source, and wherein the positive rebalancing half-cell is configured for passing through third electrolyte solution, whereby the rebalancing cell is configured to lower a pH of the third electrolyte solution.
Resumen de: US2025323283A1
A high temperature fuel cell includes an anode, a cathode, a polymer electrolyte membrane disposed between the anode and the cathode, phosphoric acid, and a cathode catalyst disposed on the cathode and in contact with the phosphoric acid. The cathode catalyst includes a Pd-containing core or a Pt-containing core, a Pt-containing shell, in a compressed state, on the Pd-containing core, and an anti-phosphate poisoning surface modifier disposed on the Pt-containing shell.
Resumen de: US2025323290A1
A fuel storage structure in a fuel cell system includes a lower casting with a first groove and a second groove formed on an upper surface of the lower casting. A first lower isolator is positioned within the first groove and a second lower isolator is positioned within the second groove. A fuel storage tank is positioned above the lower casting and is supported by the first lower isolator and the second lower isolator.
Nº publicación: US2025323285A1 16/10/2025
Solicitante:
DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECH [KR]
DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY
Resumen de: US2025323285A1
An amphoteric ion exchange separator for a redox battery according to various embodiments of the present invention may comprise a polymer matrix into which a zwitterionic functional group having a quaternary ammonium group and a sulfonic acid group is introduced.
BOPI
Sede Electrónica
