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540
resultados
Última actualización
13/10/2025 [15:20:00]
Resultados 275 a 300 de 540
Resumen de: US2025302346A1
A method for making an enzyme membrane for a working electrode of a continuous biological monitor includes making an aqueous silicone dispersion and making an acrylic polyol emulsion. The silicone dispersion and the acrylic polyol emulsion are mixed to make a base emulsion. An enzyme is added to the base emulsion to create an enzyme/base emulsion dispersion. The enzyme is selected according to a biological function to be monitored. The enzyme/base emulsion dispersion is applied to the working electrode. The applied enzyme/base emulsion dispersion is cured.
Resumen de: US2025304036A1
A control apparatus for a fuel cell electric vehicle is applied to the fuel cell electric vehicle having a water storage tank configured to store water produced in a fuel cell configured to generate an electric power to drive the fuel cell electric vehicle. The control apparatus comprises a camera configured to obtain image data by taking a picture of a scene of surrounding area of the fuel cell electric vehicle; and a controller configured to control drainage of the water from the water storage tank. The controller is configured to: execute a driving assistance control to move the fuel cell electric vehicle from a current position to a predetermined target position, based on the obtained image data; and control the drainage of the water based on the image data, while the driving assistance control is being executed.
Resumen de: US2025304812A1
A method for producing an electrode ink includes a deaerating step of removing a soluble gas that is more soluble in alcohol than nitrogen from each of first feedstock containing a conductive particle, second feedstock containing a polymer material, and a solvent containing water and a water-soluble organic solvent, and a kneading step of mixing the first feedstock from which the soluble gas has been removed, the second feedstock, and the solvent, wherein the kneading step is performed in an atmosphere of a low-solubility gas that is less soluble in alcohol than nitrogen.
Resumen de: US2025304843A1
Substantially water-free, antifreezes for cooling systems can be used as coolants and antifreezes without further dilution with water.
Resumen de: US2025304526A1
The present disclosure concerns the synthesis and investigation of a series of bis-triaryl amine compounds that span a range of multi-electron oxidation potentials. The compounds feature good solubility in acetonitrile and an exceptionally high oxidation potential compared to usual low oxidation potentials of such compounds. Radical cations of the compounds were synthesized and isolated as PF6− salts and characterized. Use of the compounds in a symmetrical RFB showed high cycling stability and capacity retention.
Resumen de: US2025304437A1
The present invention is directed to a catalytic system which can be used to hydrogenate and dehydrogenate a liquid organic hydrogen carrier (LOHC) compound. The catalytic system is composed of a special type of catalyst, a special type of solvent, and an LOHC compound. It can be used to store and release hydrogen upon demand, e.g. for usage in fuel cells of electrically propelled vehicles. Likewise, an apparatus comprising the inventive catalytic system and its use is contemplated.
Resumen de: US2025303330A1
A porous polytetrafluoroethylene (PTFE) membrane including a nonwoven web having a microstructure of substantially only microfibrils fused at crossover points, said membrane having a percent balance of orthogonal dimensions that is within 10%.
Resumen de: US2025305493A1
Gas compression system having a compressor for compressing hydrogen, a recovery device(s) for recovering hydrogen escaping as leakage gas during compression, and a leakage gas return line to return recovered leakage gas into a stage in the gas compression system upstream of the compressor and/or into a suction line of a compressor stage of the compressor. The compressor has a leakage gas discharge line for discharging leakage gas. Each recovery device is fluidically connectable to the discharge and return lines and has a metal hydride reservoir(s) heat-coupled to a respective heat exchanger. Each hydride reservoir has a hydride-forming metal alloy(s) which, when heat is supplied or dissipated through the respective heat exchanger, provides cyclic de- or absorption of leakage gas. Each recovery device increases leakage gas pressure in the discharge line to at least the pressure in the upstream stage and/or the suction pressure in the suction line.
Resumen de: US2025309410A1
A method and apparatus for generating electricity using an electrochemical cell with an aluminum wire as the anode, carbonized luffa sponge as air-cathode, a bioplastic electrolyte, and a common polyethylene sheet as membrane separator. The invention teaches the use of inexpensive materials, and simplified fuel cell construction.
Resumen de: US2025309309A1
A cell unit manufacturing method for a fuel cell including disposing a membrane electrode structure of a cell unit above an upper surface of a table by engaging or fitting a positioned portion provided on an outer edge of a frame member of the membrane electrode structure with a positioning member formed in a rod shape, the positioning member being protruding movably upward and downward from the upper surface of the table; mounting a positioning frame on the positioning member to push the positioning member while positioning the positioning frame using the positioning member; mounting the separator on the membrane electrode structure while positioning an outer edge of a separator of the cell unit using a positioning portion provided on the positioning frame; and welding the membrane electrode structure and the separator in a state where the membrane electrode structure and the separator are positioned.
Resumen de: US2025309292A1
A manufacturing device for a membrane electrode assembly for a fuel cell joins a membrane electrode laminate, having electrodes with gas diffusion layers arranged on both surfaces of an electrolyte membrane, with a frame member integrally joined to a circumferential edge of the electrolyte membrane, to have a membrane electrode assembly. The manufacturing device for a membrane electrode assembly for a fuel cell includes: a mold having a fixed die and a movable die to be moved between a compressing position and a separated position with respect to the fixed die; and a moving mechanism to move the movable die. For the mold, the manufacturing device includes: a heating means to heat the mold; and a humidified gas supply means to supply humidified gas to a surface of the mold.
Resumen de: US2025309295A1
A hybrid fuel cell system is disclosed. The hybrid fuel cell comprises a fuel cell adapted to supply power to a load. The hybrid fuel cell further comprises an Electrical Air Compressor (EAC) unit operatively coupled with the fuel cell. Also, the hybrid fuel cell comprises an auxiliary power source connected to the EAC unit via a Direct Current to Alternative Current (DC-AC) converter. Furthermore, the hybrid fuel cell comprises a converter circuit configured to perform at least one of enable the auxiliary power source to supplement the fuel cell to provide collective power supply to a load during the initialization phase of the fuel cell, enable the fuel cell to provide either the input power supply or a supplement power supply to the EAC unit during an operational phase of the fuel cell, or enable the fuel cell to charge the auxiliary power source.
Resumen de: US2025309299A1
A fuel cell system includes: a housing having a module installation compartment in which a fuel cell module is installed; and a double wall portion with an inner wall and an outer wall. The housing has the outer wall. The module installation compartment has the inner wall. The inner wall has a pressure release part. When a pressure in the module installation compartment reaches a predetermined pressure lower than a pressure capacity of the outer wall, the pressure release part releases the pressure.
Resumen de: US2025309305A1
A solid oxide fuel cell (SOFC) includes a ceramic electrolyte having a thickness of 100 microns or less, an anode laminated to a first side of the electrolyte. and a cathode located on a second side of the electrolyte opposite to the first side.
Resumen de: US2025309298A1
A fuel cell apparatus including a fuel cell, a piping unit including a gas supply path for anode gas and a gas discharge path for anode gas, a hydrogen sensor detecting a hydrogen gas contained in the anode gas, and a gas collection cover covering an upper side of the piping unit and forming a storage space having a recessed shape toward the upper side. The gas collection cover includes a side wall covering a periphery of the storage space, and an upper wall closing an opening at an upper end portion of the side wall, the upper wall has a recessed portion formed in a recessed shape toward the upper side, and is provided with a through-hole around the recessed portion communicating the storage space with an external space, and the hydrogen sensor is provided at a bottom portion of the recessed portion.
Resumen de: US2025309314A1
Provided is a method for disposing a buffer member in a stack case with high accuracy without damaging the buffer member due to contact between the buffer member and a side surface of a stacked cell. A structure of a fuel cell stack includes a stacked cell configured by stacking a plurality of power generation cells, a stack case in which the stacked cell is accommodated, and a buffer member disposed at an inner wall corner of the stack case. Herein, the buffer member includes a resin member disposed to face the inner wall corner, and an elastic member disposed between the resin member and an inner wall surface of the stack case. The elastic member is fitted into and held by a groove provided on the inner wall surface of the stack case.
Resumen de: US2025309316A1
A fuel cell stack including a cell stacked body, a case surrounding the cell stacked body, a closing part disposed adjacent to the cell stacked body and attached to the case to close an opening in an end surface of the case, and partition members to divide a space inside the case and outside the cell stacked body into subspaces including a first and second spaces. A first air port of one of an air inlet and air outlet is provided in the closing part, a second air port of another the air inlet and air outlet is provided in the case to communicate with either the first space or the second space, and the closing part includes a passage forming portion configured to form a communication flow path connecting the first air port, the first space and the second space.
Resumen de: US2025309317A1
A fuel cell system including a power generation module having a substantially rectangular parallelepiped shape, the power generation module including a fuel cell stack generating power by supplying fuel gas to an anode and oxidant gas to a cathode, and a module case that insulates and houses the fuel cell stack, the module case having a fuel gas inlet leading to an inlet of the anode, a fuel off-gas outlet leading to an outlet of the anode, and an oxidant gas inlet leading to an inlet of the cathode; a fuel supply including a fuel supply line connected to the fuel gas inlet of the power generation module and a fuel blower provided in the fuel supply line; and an oxidant supply, wherein the fuel gas inlet and the fuel off-gas outlet are on a same surface of the power generation module, and the fuel supply faces the same surface.
Resumen de: US2025309315A1
Each of unit cells includes a fluid passage which is provided between a membrane electrode structure and a separator; and a connection passage which connects a communication hole and a fluid passage. A fluid manifold is extended in a laminate direction of the unit cells of the laminated cell stack to allow communication holes formed to open in the respective unit cells to communicate with one another, and supplies a fluid to each unit cell. The fluid manifold includes: an inlet portion which is provided with an inlet through which the fluid is allowed flow into one end communicating with an outside of a stack case; and a closed portion on another end which is located on an opposite side from the inlet portion. Then, the inlet portion is provided with a biasing portion which biases the fluid flowing into the fluid manifold to the connection passage side.
Resumen de: US2025309312A1
A fuel cell stack including a cell stacked body, a housing surrounding the cell stacked body, a restriction member including a first end surface contacting an outer side surface of the cell stacked body through an opening formed in a side wall of the housing to restrict a movement of the cell stacked body, a support member supporting a second end surface of the restriction member to cover the opening, and a pressing member pressing the support member toward a surface of the side wall. The housing includes an outer side wall extending parallel to the side wall at a predetermined distance from the surface of the side wall on an outside of the side wall, and the pressing member is interposed between the outer side wall and support member such that the restriction member applies a predetermined pressing force to the cell stacked body.
Resumen de: US2025309307A1
A regenerative fuel cell system includes a water electrolysis device, a hydrogen compression device, and a fuel cell. The regenerative fuel cell system further includes external relief valves including a first one between an oxygen supply path for supplying oxygen gas from the water electrolysis device to the fuel cell and a vacuum space, a second one between a second hydrogen supply path for supplying hydrogen gas from the hydrogen compression device to the fuel cell and a vacuum space, a third one between a hydrogen discharge path through which hydrogen gas not pressurized in the hydrogen compression device flows and a vacuum space, and a fourth one between a first hydrogen supply path through which hydrogen gas supplied from the water electrolysis device to the hydrogen compression device flows and a vacuum space.
Resumen de: US2025309306A1
The present application provides cationic viologen derivatives, referred to as transquats, and compositions and uses thereof. The transquats undergo cycles of reduction and oxidation processes in water and are useful in various applications, for example, as electrolytes in Aqueous Redox Flow Batteries (ARFBs). The transquat compounds of the present application have the structure of Formula I
Resumen de: US2025309308A1
A fuel cell stack including a cell stacked body having power generation cells, a guide part protruding from inner wall of a case toward the cell stacked body, a positioning portion provided on an edge portion of the power generation cell to position the power generation cell relative to the case. The positioning portion includes first and second protruding portions from first and second edge portions of the power generation cell, the guide part includes a first guide part provided on one side in a first direction of the first protruding portion and a second guide part on the other side in the first direction of the second protruding portion, and the first and second guide parts include a first and second abutting surface abutting a first and second end surface of the first and second protruding portions.
Resumen de: US2025309311A1
A method of operating a fuel cell stack. The method includes, in a first state, communicating a first reactant into a first orifice in a first fuel cell and a first product out of a second orifice in the first fuel cell to form a first flow path. The method further includes transitioning the first fuel cell from the first state into a second state. The method also includes, in a second state, communicating the first reactant into the second orifice in the first fuel cell and the second product out of the first orifice in the first fuel cell to form a second flow path opposite the first flow path.
Nº publicación: WO2025199584A1 02/10/2025
Solicitante:
MONASH UNIV [AU]
MONASH UNIVERSITY
Resumen de: WO2025199584A1
The disclosure of the application provides a membrane design encompassing three main considerations; (1) employing 2D nanosheets as proton-permeable building blocks to facilitate through-membrane proton transport; (2) assembling 2D nanosheets to form 2D channels, capable of confining the proton conductor to thereby prevent loss of the proton conductor, or to prevent physical or chemical degradation of the proton conductor under the conditions in which the membrane may be exposed in its application(s); and (3) incorporating proton conductors to occupy the intersheet spaces forming the 2D channels, and/or incorporating proton conductors to form at least part of the inner surfaces of the 2D channels, enabling intersheet proton transport while blocking hydrogen gas molecules, thereby providing membranes with ultrafast proton conducting pathways due to synergistic proton transport, with high retention of the proton conductor achieved through nanoconfinement in 2D channels.
BOPI
Sede Electrónica
