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401
resultados
Última actualización
27/02/2026 [06:47:00]
Resultados 350 a 375 de 401
Resumen de: US2025108711A1
A work vehicle includes a fuel cell module including a fuel cell stack, at least one fuel tank to store fuel to be supplied to the fuel cell stack, a motor connected to the fuel cell module, a vehicle frame that supports the fuel cell module, the at least one fuel tank, and the motor, the vehicle frame rotatably supporting left and right front wheels and left and right rear wheels, and an electrical circuit module housed in a casing and electrically connected to the fuel cell module and the motor. The electrical circuit module is fixed to either a left side of the vehicle frame, between the left front wheel and the left rear wheel, or a right side of the vehicle frame between the right front wheel and the right rear wheel.
Resumen de: WO2026035067A1
The present invention provides a separation plate structure in which a separation plate and a membrane electrode assembly are alternately stacked with intervals. According to the present invention, the separation plate structure is fastened by a fastening pressure; a member for sealing a fluid flow and a fluid flow support body are vertically arranged in a region to which the fastening pressure is applied, so as to prevent deformation of the separation plate; and the support body is formed to extend to a flow diffusion section of the separation plate.
Resumen de: JP2026021957A
【課題】 連続したAnMEGAのシート１から各セルの構成に用いられるシート片３をレーザ裁断法により切り出す場合に、縁面にて電解質膜１２及び触媒層１１よりも面方向外方に突出したガス拡散層１０の部分の幅をできるだけ狭くする。【解決手段】 アノード側膜電極ガス拡散層接合体のシートをレーザＬｚにより裁断してシート片を切り出す方法は、シートの面方向に延在する第一の裁断線に沿ってレーザを照射してシートを裁断する第一の裁断工程と、シート片に於ける第一の裁断工程により裁断された第一の裁断線よりも面方向内方に露出したガス拡散層に於ける面方向に延在する第二の裁断線に沿ってレーザを照射してガス拡散層を裁断する第二の裁断工程とを含む。【選択図】 図２
Resumen de: US20260045517A1
The invention provides noble metal-free electro-catalyst compositions for use in acidic media, e.g., acidic electrolyte. The noble metal-free electro-catalyst compositions include non-noble metal absent of noble metal. The non-noble metal is non-noble metal oxide, and typically in the form of any configuration of a solid or hollow nano-material, e.g., nano-particles, a nanocrystalline thin film, nanorods, nanoshells, nanoflakes, nanotubes, nanoplates, nanospheres and nanowhiskers or combinations of myriad nanoscale architecture embodiments. Optionally, the noble metal-free electro-catalyst compositions include dopant, such as, but not limited to halogen. Acidic media includes oxygen reduction reaction (ORR) in proton exchange membrane (PEM) fuel cells, and direct methanol fuel cells and oxygen evolution reaction (OER) in PEM-based water electrolysis and metal air batteries, and hydrogen generation from solar energy and electricity-driven water splitting.
Resumen de: WO2026033554A1
The present invention provides a separator. More particularly, the present invention provides a multi-layered separator comprising a base layer, an optional middle layer, a top layer and an optional surface layer. Further, the present invention provides that the top layer is a polymer composite layer, wherein the polymer composite layer comprises non-functionalized or functionalized polymers, a nanomaterial, and an inorganic salt. The present invention also provides a process of preparation of the said multi-layered separator.
Resumen de: WO2026033541A1
The present invention relates to membrane fuel cells. Specifically, the present invention relates to an electrocatalyst comprising dual metal alloy enriched with 2D twin and grain boundary defects, controlled particle size and modulated d band center by hot injection modified polyol method. The invention also relates to a proton exchange membrane fuel cell comprising said electrocatalyst.
Resumen de: WO2026035918A1
A Johnson Electric Heat Pipe direct heat to electricity converter includes a housing containing a wick, a vapor exchange recuperator, a two-phase working fluid, an ionizable non- condensable gas, preferably hydrogen or oxygen, and an electrochemical cell. The heat pipe is coupled to a heat source and a heat sink. The gas phase of the two-phase working fluid and the non-condensable gas exist at partial pressures within a constant pressure system. Heat from the source evaporates two-phase working fluid resulting in low partial pressure of non-condensable gas. Heat rejected to the heat sink condenses working fluid, resulting in high partial pressure non-condensable gas. The non-condensable gas partial pressure differential is applied across the electrochemical cell whereby non-condensable gas expands through the electrochemical cell and generates electrical energy. The vapor exchange recuperator recuperates a substantial portion of two-phase working fluid heat of condensation for use as two-phase working fluid heat of evaporation.
Resumen de: WO2026035907A1
An electrochemical cell includes a membrane electrode assembly having a first electrode operating at a first pressure, a second electrode operating at a second pressure that is lower than the first pressure, and a proton exchange membrane disposed between the first and second electrodes. The first and second electrodes are electricallv connected to an external load. The second electrode has a liquid inlet and a liquid outlet. A first conduit is in communication with the first electrode and supplies a dry or humidified gas to the first electrode. A second conduit is in communication with the second electrode. The second conduit provides an outlet for gas products produced by electrochemical reactions across the MEA. A liquid reservoir contains a liquid and is in fluid communication with the second electrode via the liquid inlet and the liquid outlet to enable circulation of the liquid within the second electrode.
Resumen de: WO2026035657A1
A redox flow battery includes a catholyte including a first organic compound having a redox potential; an anolyte including a second organic compound having a redox potential; and a solvent; wherein the redox potential of the first organic compound is the same or higher than the redox potential of the second compound.
Resumen de: WO2026035266A1
A high efficiency fuel reforming and/or electricity generating system and method utilizes the heat generated by CPOX reforming and or fuel cell operation as an energy source to drive steam reforming. Enhanced efficiencies of over 10%, 35%, 40%, and even over 50-55% can be achieved. A CPOX reformer generates hydrogen. A fuel cell converts this hydrogen into electricity, heat and steam. A secondary fuel line can be combined with the heat and steam generated by the fuel cell and steam reform the secondary fuel into additional hydrogen. This additional hydrogen can be used to generate additional electricity, creating even more heat and steam.
Resumen de: WO2026034615A1
The purpose of the present invention is to realize a fiber sheet with which a polyazole-based resin contained in constituent fibers can be prevented from being excessively oxidized, and which can be used for various industrial applications due to excellent elongation. This fiber sheet has an O/C ratio measured by ESCA analysis of less than 0.10, preventing the polyazole-based resin contained in the constituent fibers from being excessively oxidized, and has an average breaking elongation (y) per unit weight of greater than 6.79%, making the fiber sheet easy to stretch and have excellent elongation. Therefore, the fiber sheet according to the present invention can be used in various industrial applications.
Resumen de: WO2026034243A1
The present invention provides: a carbon carrier which enables the achievement of effective maintenance of the performance of a metal-loaded catalyst; and a metal-loaded catalyst which is capable of effectively maintaining the performance; an electrode; and a battery. The carbon carrier is for supporting catalyst metal particles. The volume of pores having a pore diameter of more than 0 nm and not more than 70 nm is 0.70 cm3/g or less as determined by a DFT method from the nitrogen adsorption isotherm at a temperature of 77K. The volume of pores having a pore diameter of less than 5 nm is 0.31 cm3/g or more as determined by the DFT method from the nitrogen adsorption isotherm. The true density as determined by a constant volume expansion method is 1.9 g/cm3 or more. The carbon carrier has a carbon structure wherein the half width at half maximum of a D band having a peak top near a Raman shift of 1340 cm-1 is 50 cm-1 or less in the Raman spectrum obtained by Raman spectroscopy.
Resumen de: WO2026034242A1
Provided are: a carbon carrier that effectively maintains the performance of a metal-supported catalyst; the metal-supported catalyst with effectively maintained performance; an electrode; and a battery. The carbon carrier is for supporting catalytic metal particles, wherein the volume of pores having a pore diameter in a range from greater than 0 nm to 100 nm is 1.10 cm3/g or less, the volume being obtained by the DH method from a nitrogen adsorption isotherm at a temperature of 77K, and in a differential pore volume distribution obtained by the DH method from the nitrogen adsorption isotherm, relative to the pore volume (cm3/g) in the range of pore diameters from greater than 0 nm to 100 nm, a ratio of the differential pore volume (cm3/(g·nm)) at the most frequent diameter, which is the pore diameter yielding the maximum value of the differential pore volume in the pore diameter range from greater than 0 nm to 100 nm, is 0.31 nm-1 or greater.
Resumen de: WO2026034241A1
The present invention provides: a carbon carrier which enables the achievement of effective maintenance of the performance of a metal-loaded catalyst; a metal-loaded catalyst which is capable of effectively maintaining the performance; an electrode; and a battery. The carbon carrier is for supporting catalyst metal particles. In a log differential pore volume distribution obtained by the DH method from the nitrogen adsorption isotherm at a temperature of 77K, the most frequent diameter, which is the pore diameter that gives the maximum value of log differential pore volume within a pore diameter range of more than 0 nm and not more than 100 nm, is less than 2.0 nm, and the log differential pore volume at the most frequent diameter is 1.70 cm3/g or less.
Resumen de: US20260045522A1
Aspects of the disclosure include a hydrogen fuel cell voltage monitor interface utilizing spring-loaded contacts and methods of using the same. An exemplary vehicle includes an electric motor and a fuel cell stack electrically coupled to the electric motor. The fuel cell stack includes a plurality of bipolar plates. Each bipolar plate includes one or more cell voltage measurement tabs. A first set of bipolar plates includes a first positioning of the cell voltage measurement tabs and a second set of bipolar plates includes a second positioning of the cell voltage measurement tabs offset with respect to the first positioning of the cell voltage measurement tabs. The fuel cell stack includes a plurality of insulating subgasket layers alternating with the plurality of bipolar plates. An edge of each cell voltage measurement tab is molded to define a semi-spherical pocket for landing a spring-loaded contactor of a measurement device.
Resumen de: US20260045520A1
In one aspect, a metal separator is provided that comprises: a) a first base material including a first manifold part; b) a second manifold part, wherein the first manifold part and the second manifold part each have a plurality of openings and a surface layer part present between the plurality of openings, and c) a surface-modified layer formed, respectively, on an upper surface of the surface layer parts and an inner surface of the openings.
Resumen de: US20260045518A1
In one aspect, the disclosure relates to electrodes with a Ruddlesden-Popper phase scaffold and a catalyst coating, symmetrical cells and single electrochemical cells comprising the same, and devices incorporating the same. The Ruddlesden-Popper phase scaffold can be or include Pr2−xBaxNiO4+δ, wherein 0≤x≤0.4, while the catalyst coating can be a transition metal, transition metal oxide, or perovskite material applied to the scaffold using atomic layer deposition or another means. In an aspect, the catalyst coating can be conformal or non-conformal.
Resumen de: US20260045521A1
In one aspect, a metal separator is provided that comprises: a) a first base material including a first manifold part; b) a second manifold part, wherein the first manifold part and the second manifold part each have a plurality of openings and a surface layer part present between the plurality of openings, and c) a surface-modified layer formed, respectively, on an upper surface of the surface layer parts and an inner surface of the openings.
Resumen de: US20260045516A1
An electrode catalyst layer for a polymer electrolyte fuel cell includes catalyst particles, a polymer electrolyte, and a fibrous material. The catalyst particles each include an electroconductive support, a plurality of metal particles supported on the electroconductive support, an ionic liquid in contact with a surface of the metal particles and electroconductive support, and an inorganic film covering a surface of the metal particles and electroconductive support via the ionic liquid. The inorganic film contains Si. The ratio of the number of silicon atoms to the total number of atoms of carbon, nitrogen, oxygen, fluorine, silicon, sulfur, and platinum elements in the electrode catalyst layer, as obtained by energy dispersive X-ray spectroscopy, is 0.5 at % or more and 10 at % or less.
Resumen de: US20260045525A1
The invention relates to a method for manufacturing a bipolar plate (10, 51) for an electrochemical cell unit (53) for converting electrochemical energy into electrical energy as a fuel cell unit (1) and/or for converting electrical energy into electrochemical energy as an electrolytic cell unit (49) having stacked electrochemical cells (52), the method comprising the steps of: providing a first plate 64) and a second plate (65), stacking the first plate (64) and the second plate (65) on top of one another such that inner surfaces (66) of the first and second plate (64, 65) lie on top of one another, applying contact forces to the first and second plates (64, 65) by means of negative pressure in a negative pressure chamber (104) relative to an ambient pressure so that, as a result of the contact forces applied by the ambient pressure, the inner surfaces (66) of the first and second plate (64, 65) lie on top of one another with an additional compression force in a contact region (68) due to the applied contact forces, producing at least one welded joint (69) between the first and second plate (64, 65) by means of a laser beam (74), forming connection channels (89) for process fluids in the first and/or second plate (64, 65), the channels opening into fluid openings (41) in the bipolar plates (10), 51) and into channels (12, 13, 14) for process fluids in the bipolar plates (10, 51), forming connection openings (93) in the first and/or second plate (64, 65) which connect the con
Resumen de: US20260045524A1
A sheet and a sealing material based on clay and 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.
Resumen de: US20260043159A1
A solid oxide electrolyzer cell (SOEC) includes a solid oxide electrolyte, a fuel-side electrode disposed on a fuel side of the electrolyte, and an air-side electrode disposed on an air side of the electrolyte. The air-side electrode includes a barrier layer disposed on the air side of the electrolyte and including a first doped ceria material, and a functional layer disposed on the barrier layer and including an electrically conductive material and a second doped ceria material.
Resumen de: US20260045523A1
An embodiment separator for a fuel cell includes a land in contact with a gas diffusion layer, a gas flow channel configured to supply gas to the gas diffusion layer, wherein the land and the gas flow channel are repeatedly disposed in an alternating pattern in a width direction, partial narrow passages disposed at a predetermined interval in a longitudinal direction of the gas flow channel, the partial narrow channels being narrow compared to a width of the gas flow channel, and a water discharge guide groove with a lowered land height disposed at each of two lands of the partial narrow passages.
Resumen de: US20260045528A1
An electrochemical cell includes a membrane electrode assembly having a first electrode operating at a first pressure, a second electrode operating at a second pressure that is lower than the first pressure, and a proton exchange membrane disposed between the first and second electrodes. The first and second electrodes are electrically connected to an external load. The second electrode has a liquid inlet and a liquid outlet. A first conduit is in communication with the first electrode and supplies a dry or humidified gas to the first electrode. A second conduit is in communication with the second electrode. The second conduit provides an outlet for gas products produced by electrochemical reactions across the MEA. A liquid reservoir contains a liquid and is in fluid communication with the second electrode via the liquid inlet and the liquid outlet to enable circulation of the liquid within the second electrode.
Nº publicación: US20260045527A1 12/02/2026
Solicitante:
GM GLOBAL TECH OPERATIONS LLC [US]
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Resumen de: US20260045527A1
An airbox for a fuel cell system includes an airbox body having an airflow inlet and an airflow outlet positioned therein. The airbox body includes at least one interior wall. An airbox cover is installed to the airbox body to enclose the airbox, and one or more liner plates are installed onto the at least one interior wall to prevent egress of debris from an interior of the airbox to an exterior of the airbox through the at least one interior wall.
BOPI
Sede Electrónica
