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656
resultados
Última actualización
18/06/2025 [06:50:00]
Resultados 575 a 600 de 656
Resumen de: US2025180499A1
A sensor for detecting at least one property of a fluid medium in a measurement chamber, in particular for detecting a H2 fraction in a measurement gas. The sensor includes at least one sensor element which is designed to detect a thermal conductivity of the fluid medium and for outputting a measurement signal. The sensor further includes a branch element, which defines an interior space, the branch element being designed to branch off a part of the fluid medium from the measurement chamber into the interior space, and at least one diaphragm. The sensor element is fluidically connected to the interior space using the diaphragm.
Resumen de: US2025179671A1
A pressure control system for pressure control of at least two pressurized fluid systems comprises a duct for each fluid system having an inlet connectable to the respective fluid system and an outlet, a pressure control valve arranged within each of the ducts to control the fluid flow from the inlet to the outlet of the duct, wherein the pressure control valves are pilot-operated pressure relief valves having an inlet port for a pilot gas to affect a cracking pressure of the pressure control valves, wherein the pressure control system further comprises a common pilot gas buffer system, which is connected to each of the inlet ports of the pressure control valves for a simultaneous pressure control of the fluid systems.
Resumen de: US2025179941A1
A thermal energy storage system with fluid flow insulation, the system including heated thermal storage blocks positioned within a housing, and a method for operating the thermal energy storage system, including providing a flow of fluid into the housing, the fluid convectively extracting heat from a top region, a side region and a bottom region of the thermal energy storage system, to generate heated fluid that insulates the thermal storage blocks from the housing and a foundation of the thermal energy storage system.
Resumen de: US2025179942A1
An apparatus includes one or more thermal storage blocks that define a radiation chamber and a fluid flow slot positioned above the radiation chamber to define a fluid pathway in a first direction. The apparatus includes a heater element positioned adjacent to the radiation chamber in a second, different direction, wherein the radiation chamber is open on at least one side to the heater element. The apparatus includes a fluid movement system configured to direct a stream of fluid through the fluid pathway in the first direction.
Resumen de: US2025179940A1
An energy storage system (TES) converts variable renewable electricity (VRE) to continuous heat at over 1000° C. Intermittent electrical energy heats a solid medium. Heat from the solid medium is delivered continuously on demand. Heat delivery via flowing gas establishes a thermocline which maintains high outlet temperature throughout discharge. The delivered heat which may be used for processes including power generation and cogeneration. In one application, the TES provides higher-temperature heat through non-combustible fluid to an alumina calcination system used to remove impurities or volatile substances and/or to incur thermal decomposition to a desired product.
Resumen de: US2025179250A1
The present invention relates to a method for the preparation of a sulfonated polyarylenesulfone polymer (sP), the sulfonated polyarylenesulfone polymer (sP) obtained by the inventive process, a membrane (M) comprising the sulfonated polyarylenesulfone polymer (sP), a process for the preparation of the membrane, and the use of the membrane (M) for the separation of gases from gas mixtures.
Resumen de: US2025183331A1
An electrical connection assembly for a bipolar plate of a fuel cell includes at least one bimetal element connected to the bipolar plate, an NTC heating element, and an electrically conductive plug connector element provided for placement on the bipolar plate. When the plug connector element is plugged on the bipolar plate an electrically conductive connection between the bipolar plate and the plug connector element is established by the NTC heating element and a connection connected electrically in parallel to the NTC heating element is established by the bimetal element only in a predetermined temperature range.
Resumen de: US2025183342A1
To provide a liquid composition capable of forming a polymer electrolyte membrane which is excellent in the initial power generation characteristics when made into a membrane electrode assembly, and which is excellent in durability and has few defects. This liquid composition comprises a liquid medium, a sulfonic acid group-containing fluorocarbon polymer and a hardly soluble cerium compound, wherein the ion exchange capacity of the sulfonic acid group-containing fluorocarbon polymer is from 1.36 to 2.50 meq/g dry resin, the average particle size of the hardly soluble cerium compound is from 1 nm to 3,000 nm, and the ratio of the total number of moles of cerium atoms in the hardly soluble cerium compound to the total number of moles of sulfonic acid groups in the sulfonic acid group-containing fluorocarbon polymer is from 0.001 to 0.3.
Resumen de: US2025183421A1
A hybrid energy system and process of preparation thereof to generate hydrogen and electricity simultaneously, which is cost effective. Provided is an iron-doped hollow carbon nanorod (FeHCNR) by utilizing polydopamine (PDA), as a potential bifunctional catalyst for empowering both hydrogen evolution reaction (HER) and oxygen reduction reaction (ORR). Further provided is a method of preparation of FeHCNR and use thereof in hybrid battery system for simultaneous generation of electricity and hydrogen.
Resumen de: US2025183326A1
An electrode catalyst includes a mesoporous carbon support having pores, and catalyst metal particles supported in at least some of the pores of the support. The catalyst metal particles are constituted by an alloy of platinum and at least one transition metal selected from Groups 3 to 12 elements of the periodic table. An average degree of alloying of the electrode catalyst calculated by Equation (1) below is 40% or more. A ratio r/R of a mean particle size r of the catalyst metal particles to a modal pore size R of the mesoporous carbon support is from 0.20 to 0.95. Equation (1) is: Degree (%) of alloying=lattice constant of alloy calculated from XRD−lattice constant of platinum/theoretical value of lattice constant of alloy−lattice constant of platinum×100.
Resumen de: US2025183343A1
The present invention is directed to a method and apparatus for simultaneously implementing mechanochemical and electrochemical synthesis conditions. With respect to the method, the method may be configured to improve one or more reaction metric such as increasing product yield, reducing organic solvent consumption, reducing the reaction time, reducing the amount of, or completely eliminating, at least one toxic reagent or solvent, or enabling electrochemical synthesis of the chemical product without complete solubility of the organic substrate in the organic solvent. With respect to the apparatus, the apparatus is configured to define a reaction area between an anode and cathode that can be mechanochemically agitated to improve synthesis without disrupting the electrochemical reaction.
Resumen de: US2025183340A1
A membrane electrode assembly includes an anion conducting membrane and electrodes. The membrane electrode assembly is made from two different polymers in one system. The membrane electrode assembly of this invention is suitable for use in electrochemical devices, including anion exchange membrane electrolyzers.
Resumen de: US2025183332A1
The present disclosure relates to systems and methods of improving fuel cell stack performance by preventing corrosion and heat loss. The present disclosure describes embodiments of end plates positioned in a fuel cell stack that are configured to increase fuel cell stack efficiency.
Resumen de: US2025183336A1
The present invention provides a method for monitoring a battery power plant comprising a plurality of battery modules which are designed as a redox flow battery, and wherein the method comprises the following steps:S1: generating a time-varying excitation current I with a base frequency f, by means of which at least one battery module is excited to perform an impedance spectroscopy;S2: time-resolved detecting the excitation current I and a response voltage V;S3: calculating the impedance Z(ω), wherein ω=2πf;and wherein the method comprises the following step:S4: initiating maintenance work on the at least one battery module if Re{Z(ω)} exceeds a predefined limit value,and wherein in step S1 the excitation current I is generated by use of a converter, wherein the base frequency of the generated time-varying excitation current is f≤20 Hz.
Resumen de: US2025174695A1
Provided is an electrolyte for an organic redox flow battery, which is capable of increasing the solubility of an organic electrode active material with respect to an electrolyte through micelle solubilization. According to an aspect of the present invention, provided is an electrolyte for an organic redox flow battery, which includes an organic electrode active material, a solvent, and a surfactant.
Resumen de: CN119654493A
The invention relates to a magnetic rotor arrangement (2) for a side channel compressor (1) of a fuel cell system (31) for conveying and/or compressing a gaseous medium, in particular hydrogen, the magnetic rotor arrangement (2) being rotatably mounted about an axis of rotation (4) and/or being drivable by means of a drive device (6), the magnetic rotor arrangement (2) has a compressor wheel (10), by means of which an air flow can be generated in particular in a compressor chamber (30), a hub (9), a return ring (22) and at least one bearing (27, 47). According to the invention, the hub (9) has a groove (13), which extends annularly about the axis of rotation (4) and can be enclosed by a rotor chamber (46), the loop (22) and at least two segment magnets (24), preferably four segment magnets (24), are located at least almost completely in the groove (13). Here, the loop (22) is connected to the hub (9) by means of at least one pin (42) and/or screw element (44). The invention further relates to a side channel compressor (1) and/or a fuel cell system (31) having the magnetic rotor arrangement (2) according to the invention and/or a method for producing the magnetic rotor arrangement (2).
Resumen de: WO2024239034A1
The present invention relates to a gas conduit device (10) which serves to conduct a high-temperature gas between high-temperature fuel cell stacks (SOFC stacks). According to the invention, the gas conduit device (10) has a conduit body (11), which is made of a ceramic material and serves to electrically isolate electrical potentials at axial ends of the conduit body (11).
Resumen de: EP4564490A1
An electrochemical cell device includes a plurality of electrochemical cells arranged in a first direction, and including a first cell and a second cell. The plurality of electrochemical cells each include an element portion, a support body, and a fixing material. The support body supports the element portion. The fixing material fixes the element portion and the support body. The first cell is different from the second cell in a position of the fixing material when viewed in a plan view in the first direction.
Resumen de: EP4564488A1
The present invention relates to a cartridge for a fuel cell humidifier, and a fuel cell humidifier, wherein the cartridge is provided in the fuel cell humidifier that humidifies dry gas to be supplied to a fuel cell stack by using wet gas, and comprises: an inner case having openings at respective ends; an inner inlet formed in the inner case and configured to introduce first gas into the inner case; an inner outlet disposed at a position spaced apart from the inner inlet along a first axis direction and configured to discharge the first gas from the interior of the inner case; and a hollow fiber membrane bundle contained inside the inner case, wherein the hollow fiber membrane bundle comprises a plurality of interlaced hollow fiber membranes formed by interlacing at least two hollow fiber membranes.
Resumen de: CN119366013A
Systems and methods are provided for an electrolyte for a flow battery that includes a redox active material and a plurality of support salts dissolved in the electrolyte. The concentration of the redox active material is greater than 2.0 M, and the plurality of dissolved support salts include potassium and ammonium salts, calcium salts, and manganese salts.
Resumen de: EP4563206A1
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.
Resumen de: EP4563258A1
The present disclosure provides a method and device for forming a plate to have a hat shape that protrudes from a bottom surface to a certain height and has a flat surface on an upper portion, and the method includes (S1) a step of forming the plate to have a protrusion shape having a curved surface on an upper portion such that a thickness reduction rate of the plate is uniform; (S2) a step of forming corner portions at both ends by moving the plate in a central portion to the left and right such that the protrusion portion has a flat surface; and (S3) a step of forming a flat surface by correcting protruding portions in the corner portions at both ends to make the protruding portions flat.
Resumen de: EP4564489A1
A membrane electrode assembly includes an electrolyte layer, and a catalyst layer that includes particles carrying a catalyst metal and is positioned on a first surface of the electrolyte layer. The membrane electrode assembly includes a symbol containing therein encoded information required for manufacture of the membrane electrode assembly. The symbol is a discolored laser trace in the electrolyte layer, and is disposed in an edge of the first surface where the catalyst layer is not positioned.
Resumen de: EP4564487A1
Provided are a sheet and a sealing material that are based on clay and are excellent in an electrical insulating property in a high-temperature environment. A sheet, containing: a first component as a main component; and a second component optionally, in which the first component is clay, a diameter change rate is 10% or less, as thermal dimensional stability, when a weight of the entire sheet is 100% by weight, a content of iron oxide is 6% by weight or less, the second component is a filling material, when the weight of the entire sheet is 100% by weight, a sum of the first component and the second component is 90% by weight or more, and the first component : the second component = 20 : 80 to 100 : 0 is set, and a sealing material containing the sheet. In this case, the swelling clay is swelling muscovite, and in the swelling muscovite, at least a part of K<sup>+</sup> ions in an interlayer of the muscovite is exchanged with Li<sup>+</sup> ions. In addition, the second component is a filling material of clay or an oxide.
Nº publicación: EP4563605A1 04/06/2025
Solicitante:
HANWHA SOLUTIONS CORP [KR]
Hanwha Solutions Corporation
Resumen de: EP4563605A1
The present disclosure relates to a novel cross-linked copolymer that can be preferably used as an anion exchange membrane (AEM) material for fuel cells because of its excellent mechanical properties, excellent alkaline stability, and high ionic conductivity and hydration.
BOPI
Sede Electrónica
