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573
results.
Updated on
25/12/2025 [06:48:00]
Results 200 to 225 of 573
Absstract of: US2025383403A1
Device and method for determining a state (100) in a stack of fuel cells or electrolysis cells, or in a fuel cell or electrolysis cell, wherein membrane electrode unit and plates are provided, with a membrane electrode unit being arranged between each, wherein with a first model (102) inflows of process media are modeled from a periphery and outflows of a process product into the periphery as well as electrical input and output variables, wherein segments of the plates are modeled with a second model (104), wherein, with a third model (106), the membrane electrode unit or segments of the membrane electrode unit are modeled, wherein the first model (102) and the second model (104) have at least one coupling variable (108, 110), wherein the second model (104) and the third model (106) are coupled segmentally via at least one coupling variable (112,114), wherein at least one input variable of the first model (102) is specified, wherein the state (100) is determined from the at least one input variable, the first model (102), the second model (104) and the third model (106).
Absstract of: WO2025256198A1
The present application provides a bipolar frame plate assembly and a vanadium redox flow battery stack. The bipolar frame plate assembly comprises a bipolar frame, a bipolar plate, and a pressing member; the bipolar frame is provided with a first recessed area; a through-slot is formed in the first recessed area; the through-slot passes through the bipolar frame; the bipolar plate is arranged in the first recessed area; the bipolar plate covers the through-slot and seals the through-slot; and the pressing member is connected to the bipolar frame and the bipolar plate, separately, so as to fix the bipolar plate in the first recessed area. By arranging the first recessed area on the bipolar frame, a stable mounting position is provided for the bipolar plate, so that the bipolar plate can be firmly fixed on the bipolar frame. By forming in the first recessed area the through-slot passing through the bipolar frame, and fixing the bipolar plate in the first recessed area by means of the pressing member, the bipolar frame plate assembly can be formed into a whole, solving the problem of electrolyte leakage, ensuring a good battery capacity, preventing the leaked electrolyte from corroding a battery system, and avoiding environmental pollution caused by electrolyte leakage.
Absstract of: WO2025255961A1
A ternary platinum-based alloy catalyst, and a preparation method therefor and the use thereof. The ternary platinum-based alloy catalyst comprises a carrier and active particles loaded in the carrier, wherein the ternary platinum-based alloy catalyst is doped with non-metal atoms, which comprise N atoms and/or P atoms; and the active particles comprise a ternary platinum-based alloy material, the constituent elements of which comprise Pt, M1 and M2, M1 and M2 being different non-noble metal elements. By means of the synergistic cooperation between the non-metal atoms and the elements of platinum, M1 and M2 in the ternary platinum-based alloy catalyst, the dissolution of the metal is effectively inhibited, the anchoring effect on nanoparticles is enhanced, the migration and agglomeration effects of the nanoparticles are weakened, the adjustment of the particle size of the platinum-based catalyst is facilitated, and the activity and stability of the catalyst in a cathode of a fuel cell are greatly improved.
Absstract of: WO2025255616A1
A fuel cell is disclosed. The fuel cell comprises at least one anode cell housing an anode electrode wherein the anode electrode is doped with an alkali dopant and at least one cathode cell housing a cathode electrode wherein the cathode electrode is doped with an acid dopant. The fuel cell is a dry fuel cell.
Absstract of: US2025382429A1
Ion exchange membranes for use in electrochemical energy conversion and storage applications include copolymers having a backbone produced from an olefin, such as ethylene, and a cyclic olefin, such as norbornene. Haloalkyl side chains with terminal halide groups are connected to the polymer backbone via Friedel-Crafts alkylation. The halide groups are then replaced with ionic groups via substitution. The ion exchange membrane material can then be cast or impregnated into a reinforcing mesh to form cation exchange membrane or anion exchange membranes. Rigidity of the ion exchange membranes can be controlled by varying the ratio of olefin to cyclic olefin in the polymer backbone.
Absstract of: US2025382179A1
The present invention refers to a process for preparing a graphitized nanoporous carbon, the so-obtained carbon particles_and the use thereof as highly stable support for electrochemical processes.
Absstract of: US2025382307A1
Disclosed is a method of preparing an amino acid ester of maytansinol by reacting maytansinol with an N-carboxyanhydride of an amino acid (NCA) in the presence of a proton sponge and a Lewis acid.
Absstract of: US2025382172A1
The present invention relates to a dimethyl ether (DME) reforming system for a smart farm and power plant, and the purpose of the present invention is to provide a DME reforming system for a smart farm and power plant, which generates carbon dioxide and hydrogen using DME as a raw material, and supplies a fertilizer and electric energy to a smart farm, and which minimizes the generation of environmental pollutants, in particular, the generation of CO2 in a DME reforming process.
Absstract of: US2025382204A1
This metal member is a metal member having a three-dimensional regular framework structure with a porosity in a range of 50% or more and 95% or less, wherein the three-dimensional regular framework structure has a framework and a plurality of pores extending in a first direction, in a cross section perpendicular to the first direction, pore rows in which the pores and the frameworks are alternately arranged are periodically laminated to form a lamination structure. In addition, the electrode has a well-shaped sheet layer having a plurality of through-holes in a thickness direction, the porosity of the well-shaped sheet layer is in a range of 20% or more and 70% or less, and the thickness of the well-shaped sheet layer is in a range of 10 μm or more and 500 μm or less.
Absstract of: US2025385272A1
An electrode of an electrochemical device includes a carbon-based support structure, an ionically conductive material dispersed on and within the support structure, a catalyst dispersed on and within the support structure, and a non-ionomeric hydrocarbon-based binder dispersed on the support structure. The ionically conductive material enables the transport of protons across the electrode, the catalyst promotes a chemical reaction of a fuel received at the electrode, and the binder retains the electrode. The electrode may be included in an electrochemical device, such as a fuel cell.
Absstract of: US2025385274A1
In one aspect, the disclosure relates to SOC cells comprising a conformal nanolayer comprising PrOx on an oxygen electrode backbone, e.g., an LSM oxygen electrode. The disclosed SOC cells comprising a conformal nanolayer comprising PrOx on an oxygen electrode backbone are prepared using a disclosed Atomic Layer Deposition (ALD) coating method. The SOC cells comprising a conformal nanolayer comprising PrOx on an oxygen electrode backbone can further comprise an additional layer material, e.g., MnOx and/or CoOx, thereon or therein the conformal nanolayer comprising PrOx. The performance of the disclosed SOC cells is improved compared to baseline cells lacking the disclosed ALD coating on an oxygen electrode backbone, e.g., an LSM oxygen electrode. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.
Absstract of: US2025385286A1
A method for controlling the humidity of a fuel cell stack air inlet, a fuel cell system in which the method may be exercised, and a fuel cell system controller adapted to execute the method in a fuel cell system. The method for controlling the humidity includes detecting the humidity of air entering a fuel cell stack air inlet downstream a humidifier, detecting the water level of a water reservoir, and using the detected values to control the humidity of air entering the fuel cell stack by controlling a supply of water from the water reservoir to a spray nozzle downstream the humidifier.
Absstract of: US2025385285A1
A fluid cooling system for cooling a fuel cell system is provided. A fluid valve controls a flow ratio between a first input port of the fluid valve and a second input port of the fluid valve to provide a predetermined wanted output temperature at an output port of the fluid valve. The processing circuitry is configured to repeatedly: obtain a first input temperature at the first input port and a second input temperature at the second input port; determine an open loop flow ratio based on the first input temperature and the second input temperature; obtain an output temperature at the output port; determine a corrective closed loop flow ratio based on the output temperature and the predetermined wanted output temperature; combine the open loop flow ratio and the corrective closed loop flow ratio to provide a combined flow ratio; and control a position of the fluid valve based on the combined flow ratio.
Absstract of: US2025385277A1
A separator for a fuel cell includes a body having ribs that extend parallel to each other. The ribs protrude from the body to come into contact with a gas diffusion layer of a membrane electrode gas diffusion layer assembly. The space between the ribs and between the separator and the gas diffusion layer defines a passage through which gas is supplied to and discharged from the membrane electrode gas diffusion layer assembly. An end face of each rib in a protruding direction is parallel to the gas diffusion layer. A protrusion protrudes from the end face of each rib toward the gas diffusion layer. The protrusion of each rib extends in a width direction of the rib to reach the passage.
Absstract of: WO2025259485A1
A method and system includes a plurality of fuel cell power plants operable to supply power to a utility grid, a connection interface operable to connect the plurality of fuel cell power plants to the utility grid, and an energy storage system operable to store power generated by the plurality of fuel cell power plants. At least one microgrid is connectable to the utility grid with the connection interface. During normal system operation, an energy storage system is operable to connect the at least one microgrid to the utility grid via the connection interface. In response to an occurrence of a predetermined grid event, the energy storage system is operable to disconnect the at least one microgrid from the utility grid and is operable to supply a microgrid load associated with the at least one microgrid. In response to an occurrence of a predetermined grid event, an energy management system is operable to maintain a desired state-of-charge for one or more batteries of the energy storage system by communicating specific power setpoints to the plurality of fuel cell power plants.
Absstract of: WO2025259118A1
The present invention is concerned with device that is configured to be administered to the gut digestate of a ruminant animal, which device is capable of generating electrical energy from a gut digestate and/or measuring the concentration of hydrogen (H2) and/or oxygen (O2) that is present in the gut digestate. Further, the device according to the present invention may be modified to include an electrical load adjustment means (e.g. resistor, variable resistor etc) which may be used to adjust the electrical load of the device sufficient to cause the prescribed removal of H2, and in particular dissolved hydrogen (dH2), from the gut digestate. As such the device according to the present invention may be employed to adjust the amount of dH2 available to methanogenic archaea while at least not compromising animal productivity, thereby reducing the amount of methane released in the atmosphere which has an important environmental impact in terms of reducing greenhouse gas emissions.
Absstract of: WO2025258657A1
This electrode catalyst layer contains carbon fibers, modified silica particles, carbon particles supporting the metal particles, and an ionomer. The carbon particles have a mode value of the particle size distribution obtained by image analysis of 0.5 μm or more, the silica particles have a hydrophobic group on the surface, and the specific surface area of the silica particles according to the BET method is 100 m2/g or more.
Absstract of: WO2025258910A1
A solid oxide fuel cell is disclosed. The solid oxide fuel cell comprises: a solid electrolyte; and a fuel electrode and an air electrode disposed on one surface and the other surface of the solid electrolyte, respectively, wherein the fuel electrode comprises: a fuel electrode functional layer disposed below the solid electrolyte; a fuel electrode support layer disposed below the fuel electrode functional layer and having a first porosity; and a fuel electrode diffusion active layer disposed below the fuel electrode support layer and having a second porosity greater than the first porosity.
Absstract of: WO2025258180A1
Problem To provide: a catalyst which has high hydrogen generation efficiency; a method for producing the catalyst; a method for producing a reusable metaborate; a hydrogen generator which is provided with the catalyst; and a fuel cell system which is provided with the hydrogen generator. Solution According to one embodiment of the present invention, there is provided a catalyst which is used for the purpose of generating hydrogen from a borohydride salt and water, the catalyst containing a metal oxide as a main component and a metal boride which is supported by the metal oxide.
Absstract of: WO2025259089A1
Provided is a membrane humidifier for a fuel cell, including a housing comprising: a middle case having opposite open ends; a cap case coupled to the opposite ends of the middle case; and an inner case which is disposed in a space formed by the middle case and the cap case, and accommodates a hollow fiber membrane bundle, wherein the housing contains a polymer material and an antioxidant material that removes peroxide and/or hydroxyl radicals.
Absstract of: US2025382258A1
A naphthalene-type compound, preparation method therefore and use therefore are provided. The naphthalene-type compound has a molecular structure substituted with polyhydroxyl, polybenzylamine, and quaternary ammonium or multiple quaternary ammonium functional groups, and compared with a raw material, the naphthalene-type compound has greatly improved water solubility in an acidic aqueous solution. An electrochemical reaction has low raw material costs and a high reaction yield, is carried out under a normal temperature and pressure condition without adding additional catalysts, and is carried out under air conditions without inert gas protection.
Absstract of: US2025381888A1
A control system for a vehicle includes data processing hardware and memory hardware in communication with the data processing hardware. The memory hardware stores instructions that when executed on the data processing hardware cause the data processing hardware to perform operations. The operations include receiving, at a propulsion controller, power generation, comparing, via the propulsion controller, battery data with a state of charge threshold, and executing, based on the comparison of the battery data, a power sink protocol including at least one mode control via a fuel cell system. The operations also include generating, based on the at least one mode control, at least one of a compressor command and a valve command via an airflow system and regulating, via the at least one generated compressor command and the valve command, an airflow of the airflow system.
Absstract of: US2025381857A1
An embodiment vehicle body includes a center floor assembly, a side sill disposed along a front-rear direction of the vehicle body on both sides of the center floor assembly in a vehicle width direction and connected to a front body assembly, a fuel cell stack mounting apparatus disposed at a front portion of the center floor assembly and configured to position fuel cell stacks at a lower portion of the center floor assembly, and a hydrogen tank mounting apparatus disposed at a rear of the center floor assembly and configured to position hydrogen tanks at the lower portion of the center floor assembly.
Absstract of: US2025385345A1
In the present disclosure, a method, an apparatus, and a system for collecting carbon using a fuel cell principle are disclosed. More specifically, the carbon capture device may comprise an air cartridge in which a gas including a carbon component is introduced; a fuel cartridge in which a fuel is injected; a fuel cell stack; a fuel supply line for supplying the fuel between the fuel cartridge and the fuel cell stack; and a controller, wherein the fuel cell stack may include: an anode unit including a fuel electrode for performing an oxidation reaction of the fuel supplied from the fuel supply line; a cathode unit including an air electrode for performing a reduction reaction of the gas introduced from the air cartridge; and an electrolyte unit including an electrolyte for transferring metal ions generated by the oxidation reaction of the fuel between the anode unit and the cathode unit.
Nº publicación: US2025385287A1 18/12/2025
Applicant:
MANN HUMMEL GMBH [DE]
MANN+HUMMEL GmbH
Absstract of: US2025385287A1
A safety element includes a housing, and a filler material comprising a superadsorber and/or an HCO3− ion exchange material disposed in a first segment of the housing and configured to remove acidic or non-acidic water, the filler material having a volume depending on an interaction with water when exposed to water or not exposed to water.
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