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448
resultados
Última actualización
21/11/2025 [06:48:00]
Resultados 175 a 200 de 448
Resumen de: WO2025235885A1
The present application relates to components for use in an electrolysis cell and/or stack comprising features, geometry, and materials to overcome prior art limitations related to cell electrical isolation, fluid sealing, and high speed manufacturing. The electrolysis cell comprises a membrane, an anode, a cathode, an anode flow field, a cathode flow field, and a bipolar plate assembly comprising an embedded hydrogen seal and both conductive and non-conductive areas. The components are cut using two-dimensional patterns from substantially flat raw materials capable of being sourced in roll form. These substantially two-dimensional components are processed to create a fully unitized, three- dimensional electrolysis cell with a hermetically sealed cathode chamber.
Resumen de: WO2025233061A1
The invention is about an electrochemical cell (1) comprising: a membrane electrode assembly (2) comprising an electrolyte layer (3) and first and second electrode layers (4, 5) disposed on opposite major surfaces (6) of the electrolyte layer (3), first and second gas diffusion layers (7, 8) disposed directly on opposite major surfaces (9) of the membrane electrode assembly (2), and a cell frame (10) formed around a periphery (11) of the membrane electrode assembly (2) and the first and second gas diffusion layers (7, 8), wherein in uncompressed state a thickness of the cell frame (10) in a stacking direction (12) of the layers (3, 4, 7, 8) is smaller than a thickness of the membrane electrode assembly (2) and first and second gas diffusion layers (7, 8) combined, and a first stiffness of the cell frame (10) is at most twice as high as a second stiffness of a combination of membrane electrode assembly (2) and the first and second gas diffusion layers (7, 8). The invention further relates to an electrolyser stack (17) comprising a plurality of electrochemical cells (1).
Resumen de: WO2025235198A1
A system and method of actively managing electrochemical stack compression using a hybrid compression system is provided. The method includes: receiving, by a data acquisition unit, stack data from an electrochemical stack in real time; providing, by the data acquisition unit, the stack data to a first compression controller and to a second compression controller; controlling, by the first compression controller, a first compression system configured to provide first adjustments to a compression force applied to the electrochemical stack; and controlling, by the second compression controller, a second compression system configured to provide second adjustments to the compression force on the electrochemical stack. The first compression system may be configured to provide the first adjustments to the compressive force during start-up and/or shutdown of the electrochemical stack. The second compression system may be configured to provide the second adjustments during the steady-state operation of the electrochemical stack.
Resumen de: WO2025234650A1
The present invention relates to a secondary battery having excellent discharge performance and a manufacturing method therefor, wherein the secondary battery comprises an asymmetric separator, the asymmetric separator comprises a porous support layer and an ion-exchangeable polymer layer coated on one surface of the porous support layer, and the ion-exchangeable polymer layer of the asymmetric separator is disposed to face a negative electrode. The secondary battery according to the present invention exhibits excellent discharge performance, can be particularly useful in models where battery charging and ESS preparation are performed constantly and slowly at low C-rates and rapid discharge is performed, and can be used in a UPS, an ESS for charger assistance, and the like. In addition, as the C-rate increases, the effect increases rapidly, and thus, effective power assistance is possible.
Resumen de: WO2025234651A1
The present invention relates to a secondary battery and a manufacturing method therefor, and provides a secondary battery and a manufacturing method therefor, the secondary battery comprising a first cell and a second cell, wherein each of the first cell and the second cell comprises a positive electrode, a negative electrode, an electrolyte, and a separator, the separator comprises a porous support layer and an ion-exchangeable polymer layer coated on one surface of the porous support layer, the ion-exchangeable polymer layer of the separator of the first cell is disposed toward the positive electrode of the first cell, and the ion-exchangeable polymer layer of the separator of the second cell is disposed toward the negative electrode of the second cell, and the first cell and the second cell are connected in parallel. The secondary battery according to the present invention exhibits excellent charge/discharge performance, energy efficiency, and voltage stability, and thus can be advantageously used in a general power system that requires all of these performances.
Resumen de: WO2025234649A1
The present invention relates to a secondary battery with improved charging performance and a manufacturing method therefor, and provides a secondary battery with improved charging performance and a manufacturing method therefor, the secondary battery comprising an asymmetric separator comprising: a porous support layer; and an ion-exchangeable polymer layer coated on one surface of the porous support layer, wherein the ion-exchangeable polymer layer of the asymmetric separator is disposed to face a positive electrode. According to the present invention, the separator enables the smooth flow of hydrogen ions from the positive electrode to the negative electrode, thereby reducing energy loss during charging and allowing a high amount of charge energy even under severe charging conditions, so that the present invention can be advantageously used in various fields, particularly, fields requiring fast charging.
Resumen de: WO2025234473A1
Provided is a release film that comprises a base material layer and a release layer that is layered on at least one surface of the base material layer, the surface free energy of the release layer being no more than 35 mN/m, and the release layer including a resin that has at least one glass transition temperature in the range of 150°C-350°C as measured by viscoelasticity measurement.
Resumen de: WO2025234339A1
Provided are: an electrode catalyst, an electrode for a fuel cell, and a fuel cell which contain a porous silicon nitride composite material having both of a high BET specific surface area and high conductivity; and a method for manufacturing, by using an organic alkoxysilane of a type widely used as an industrial material, an electrode catalyst containing a porous silicon nitride composite material of which the pore diameter can be controlled. An electrode catalyst according to the present invention comprises: a porous silicon nitride composite material that contains silicon nitride (Si3N4) and a carbon material; and particles that are carried by the porous silicon nitride composite material and that contain a precious metal. The porous silicon nitride composite material has a BET specific surface area of 50-400 m2/g and a conductivity of 1.0-25 S/cm.
Resumen de: WO2025234346A1
Provided is a porous silicon nitro-oxycarbide composite material comprising a silicon nitro-oxycarbide (SiCNO) and a carbon material, wherein the BET specific surface area is in the range of 100-400 m2/g, and the electrical conductivity is in the range of 1.0-25 S/cm.
Resumen de: WO2025234343A1
The present invention addresses the problem of providing a simple microbial fuel cell in which fluid leakage is substantially suppressed and in which consideration is given to safety. Provided is a production method for a solid-state microbial fuel cell, said method comprising: a step for preparing a gel-forming material selected from the group consisting of gelling agents and water-absorbent polymers; a step for mixing, in a fuel cell container, the gel-forming material, an energy-generating fungus, and a culture medium containing a culture solution, thereby obtaining a fungus-containing gelatinous culture medium; and a step for disposing an anode and a cathode in the fuel cell container. Also provided is a solid-state microbial fuel cell obtained via said production method.
Resumen de: WO2025234378A1
Provided is a carbon fiber sheet that is excellent in electroconductivity and flexibility and that is suitable for use as a constituent member of a gas diffusion layer in a fuel cell. One embodiment of the present invention is a carbon fiber sheet. The carbon fiber sheet contains carbon fibers, electroconductive particles, and an organic component, has a density of 0.40-0.90 g/cm3, and has an ignition loss measured by the following measurement method of 10-50 mass%. Measurement method A carbon fiber sheet is dried in a constant-temperature bath at 130°C for 10 minutes. The weighed mass of the carbon fiber sheet that has been dried is X1. After drying, the carbon fiber sheet is subjected to ignition at 450°C for 60 minutes in an electric furnace. After ignition, the carbon fiber sheet is allowed to cool in a desiccator for 20 minutes. The weighed mass of the carbon fiber that has been ignited is noted as X2. The ignition loss is calculated as (X1 − X2) / X1 × 100 mass%.
Resumen de: WO2025234032A1
The present invention enables the achievement of both transmission of surface pressure and formation of a flow channel in consideration of reduction of pressure loss, even in a fuel cell that uses a flat separator on one side. A fuel cell according to the present disclosure comprises: a flat separator in which a cooling water manifold and a gas manifold are formed; a separator with a flow channel, the separator being disposed so as to face the flat separator; a membrane electrode assembly which is disposed between the flat separator and the separator with a flow channel; and a first gasket which is disposed between the flat separator and the membrane electrode assembly. The membrane electrode assembly comprises a gas diffusion layer with a flow channel, in which a GDL flow channel is formed so as to face the flat separator, and the first gasket is provided with a relay channel with which the GDL flow channel and the gas manifold are in communication with each other.
Resumen de: WO2025233689A1
The present invention relates to an electrochemical device capable of gas phase electrolysis. Specifically, present invention relates to a liquid-free electrolyzer cell for direct electrochemical conversion of greenhouse gas (CO2) into O2, and a method of converting CO2 using said electrolyzer cell.
Resumen de: WO2025234332A1
The purpose of the present invention is to provide an electrode catalyst containing a porous silicon nitrooxy carbide composite material having both a high BET specific surface area and high conductivity, an electrode for a fuel cell, and a fuel cell, and a method for manufacturing the electrode catalyst containing a porous silicon nitrooxy carbide composite material capable of controlling the pore diameter by using an organic alkoxysilane of a type widely distributed as an industrial raw material. The electrode catalyst according to the present invention comprises: a porous silicon nitrooxy carbide composite material that contains silicon nitrooxy carbide (SiCNO) and a carbon material; and particles that are supported on the porous silicon nitrooxy carbide composite material and contain a noble metal. The porous silicon nitrooxy carbide composite material has a BET specific surface area of 100 m2/g-400 m2/g, and a conductivity of 1.0-25 S/cm.
Resumen de: WO2025232473A1
The present invention relates to the technical field of the electrolysis of water, and specifically relates to a low-hydrogen-permeability proton exchange membrane, and a preparation method therefor and the use thereof. The proton exchange membrane comprises a Pt-containing additive layer and a matrix membrane, wherein the Pt-containing additive layer is composed of a Pt additive and a fluorine-containing proton exchange resin, the Pt-containing additive layer comprises an array layer and a flattening layer, the thickness ratio and the active-component ratio of the array layer to the flattening layer are respectively within the ranges of 1:(0.5-30) and 1:(1-50), and the array layer is composed of arrays arranged in order and an array layer resin coating the arrays. In the low-hydrogen-permeability proton exchange membrane provided by the present invention, by providing the Pt-containing additive layer consisting of the array layer and the flattening layer, the specific surface area of the Pt-containing additive layer is effectively increased by means of the arrays in the array layer, thereby achieving the efficient utilization of an additive; moreover, the hydrogen permeability improvement effect is further improved by controlling the thickness ratio and the active-component ratio of the array layer to the flattening layer and the parameters of the arrays.
Resumen de: WO2025232169A1
The prevent invention relates to a marine-fuel-cell combined cooling, heating and power system. The system comprises a power supply system and a waste heat recovery system, wherein the power supply system comprises a wind turbine generator set, a solar generator set and a fuel cell power supply module; the waste heat recovery system comprises a turbine power generation module and a lithium bromide refrigeration module; the fuel cell power supply module is connected to the turbine power generation module and the lithium bromide refrigeration module; the turbine power generation module is used for generating power by using waste heat; and the lithium bromide refrigeration module is used for cooling supply and heat supply by using waste heat. In the present invention, a turbine power generation module supplies power to a ship by using part of exhaust gas waste heat produced by a fuel cell power supply module, a lithium bromide refrigeration module uses the other part of the exhaust gas waste heat to provide cooling energy for the ship, and thermal energy is provided for the ship by excess exhaust gas waste heat, such that the exhaust gas waste heat produced by the fuel cell power supply module is fully used, thereby achieving a high comprehensive energy utilization rate. Moreover, the self-consumed power and pure hydrogen fuel for the integrated energy supply system can be obtained from solar energy and wind energy, such that the low-carbon emission of the entire integrated ener
Resumen de: WO2025231966A1
Disclosed in the present invention are a titanium alloy bipolar plate with a high pitting potential and a low resistivity and a preparation method therefor. The titanium alloy bipolar plate comprises the following components in percentages by mass: 3.0-5.0% of Mo, 0.1-0.3% of Ni, 0.005-0.05% of Ru and the balance being Ti, and the total content of impurity elements (Fe, O, C, N and H) does not exceed 0.01%. According to the titanium alloy bipolar plate of the present invention, on the basis of meeting the electrical conductivity requirement, the pitting potential of the titanium alloy bipolar plate can be improved, such that the problems of a relatively poor corrosion resistance and a low hydrogen production efficiency caused due to the relatively low pitting potential of the titanium alloy bipolar plate in a service environment of a water electrolysis hydrogen production electrolytic bath are fundamentally solved.
Resumen de: US2025347007A1
The invention relates to a membrane electrode arrangement including a cation exchange membrane arranged in a cell between an anode and a cathode, which has a respective catalyst layer on the anode side and cathode side, wherein the cell has a low molecular buffer with at least one alkali-metal cation. The cationic concentration of the buffer solution is <1 mmol. The invention also relates to a use of a low molecular buffer with at least one alkali-metal cation for water electrolysis, and a device comprising the membrane electrode arrangement.
Resumen de: US2025346486A1
An embodiment of the present disclosure provides a production apparatus for high purity hydrogen, the production apparatus including: a decomposition reaction unit configured to decompose ammonia through ammonia decomposition reaction and discharge reaction products including hydrogen and nitrogen produced from the ammonia decomposition reaction and non-reacting ammonia; an adsorption refinement unit configured to discharge intermediate refined products by separating or removing ammonia from the reaction products; and a hydrogen separation membrane configured to discharge a high-purity hydrogen product by refining high-purity hydrogen by separating and filtering the intermediate refined products.
Resumen de: US2025346125A1
The disclosure relates to a mobile working machine, in particular a bulldozer or crawler loader, comprising a vehicle chassis, an electric drive system for providing a travelling function and/or a working function of the working machine and an energy storage module, which is configured to supply the electric drive system with electrical energy and/or to store electrical energy provided by the electric drive system. According to the disclosure, the energy storage module has bearing elements, via which it is detachably fastened in a module holder of the vehicle chassis, wherein the bearing elements are arranged laterally raised on the energy storage module and essentially at the level of the centre of gravity of the energy storage module.
Resumen de: WO2024075737A1
The present invention relates to a catalyst composition comprising a hydrocarbon-based ionomer, a fluorine-based resin, a catalyst, and a catalyst carrier.
Resumen de: US2025346107A1
A retrofit vehicle including a hybrid power plat in place of a carbon-fuel based power plant comprises a frame, a tray, a deck, a battery system, a gas storage system, and a fuel cell system. The tray is coupled to the frame and defining an open top configured to receive a load. The deck is coupled to the frame forward at least a portion of the tray and at least partially defining a deck volume to receive components of the hybrid power plant. The batty system is mounted to the vehicle. The gas storage system is installed in a volume of the vehicle. The fuel cell system includes at least a first portion installed in a first wheel pocket of the retrofit vehicle and a second portion installed in a second wheel pocket of the retrofit vehicle. The first wheel pocket is configured to contain a fuel tank prior to retrofitting the retrofit vehicle.
Resumen de: US2025349870A1
A system for monitoring a voltage condition of a fuel cell (FC) stack includes at least two FCs operating together in series. At least one light-emitting diode (LED) is in electrical communication with the at least two FCs. At least one sensor is in visual communication with the at least one LED to receive a visual emission from the at least one LED. At least one processor is in communication with the at least one sensor. The at least one processor has a computer-readable memory and a power supply. A brightness of the at least one LED is determined by a voltage condition of the at least two FCs.
Resumen de: US2025349868A1
A flow channel plate according to the present embodiment includes a flow channel for a reactant gas supplied to an electrochemical reactor. The flow channel includes a supply flow channel having a closed flow channel end on a downstream side and a discharge flow channel having a closed flow channel end on an upstream side. The supply flow channel and the discharge flow channel are arranged side-by-side in a direction substantially perpendicular to a direction in which the reactant gas flows. At least one of a cross sectional area on the downstream side of the supply flow channel being smaller than a cross sectional area on an upstream side of the supply flow channel or a cross sectional area on a downstream side of the discharge flow channel being greater than a cross sectional area on the upstream side of the discharge flow channel is satisfied.
Nº publicación: US2025349867A1 13/11/2025
Solicitante:
SHARP KK [JP]
Sharp Kabushiki Kaisha
Resumen de: US2025349867A1
A flow battery cell includes a separator, a negative electrode chamber, and a positive electrode chamber placed opposite the negative electrode chamber across the separator, wherein a flow path width of the positive electrode chamber is smaller than a flow path width of the negative electrode chamber.
BOPI
Sede Electrónica
