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488
results.
Updated on
16/09/2025 [06:48:00]
Results 325 to 350 of 488
Absstract of: US2025279440A1
A current collector includes a flow path connecting a gas supply end portion and a gas discharge end portion, the gas supply end portion being in the metal member for supplying gas to the electrochemical cell, and the gas discharge end portion being in the metal member for discharging the gas from the electrochemical cell. The flow path includes: first flow paths through which the gas flows from the gas supply end portion to the gas discharge end portion in a first direction of a longitudinal direction of each first flow path, the first flow paths being arranged in a second direction perpendicular to a stacking direction and different from the first direction; and a second flow path between the gas supply end portion and the first flow paths, the second flow path being capable of supplying the gas from the gas supply end portion to the first flow paths.
Absstract of: US2025279666A1
The fuel cell system includes a fuel cell stack in which a plurality of fuel cells is stacked and arranged, a battery electrically connected to the fuel cell stack and charging electric power generated by the fuel cell stack, and a control device that controls power generation by the fuel cell stack. The control device is configured to execute a low-voltage operation prior to transition to a normal operation, when the fuel cell system is activated. In the low-voltage operation, the power generation by the fuel cell stack is controlled so that the output voltage of the fuel cell is maintained at or below the first voltage value, and in the normal operation, the power generation by the fuel cell stack is controlled so that the output voltage of the fuel cell is maintained at or above the second voltage value higher than the first voltage value.
Absstract of: AU2024223621A1
An object of the invention is a module arrangement of solid oxide cell stacks being arranged to a 2 x N matrix, N being any natural number. The arrangement comprises a fuel inlet manifold (150) and a fuel outlet manifold (152) between the two adjacent stacks (103).The fuel inlet manifold (150) and the fuel outlet manifold (152) form a fuel manifold (171) to deliver supply fuel gas (108) to the stacks and fuel exhaust gas (177) from the stacks, and the stacks been arranged in the manifold in a parallel connection from the fuel gas supply and fuel exhaust gas connection point of view. The stacks (103) are arranged with a common oxygen side gas supply compartment (106) connecting the inlet side of the open structure of oxygen side gas delivery (105) and common oxygen side gas exhaust compartment (176) connecting the outlet side of the open structure of oxygen side gas delivery (105). The inlet manifold (150) comprises gas flow holes of controllable sizes to the stacks (103) for forming even gas flow to the stacks, and the outlet manifold (152) comprises gas flow holes of controllable sizes to the stacks (103) for forming even gas flow from the stacks. The module arrangement comprises a first gas seal (155), a first electrical insulation plate (119) and a second gas seal (156) between the manifold (171) and the stack (103). On top side (122) and on bottom side (124) of the cell stack (103) the module arrangement comprises a second electrical insulation plate (114), compression st
Absstract of: WO2025183876A1
The present disclosure provides a method for heating a dual stack fuel cell system of a vehicle. The method may include receiving a heat power request from a first fuel cell stack, receiving a first temperature of the first fuel cell stack and a second temperature of a second fuel cell stack, initiating, responsive to the first temperature and the second temperature indicating that the first fuel cell stack and the second fuel cell stack are frozen, a freeze-start thermal operating mode for the first fuel cell stack, and transferring, during the freeze-start thermal operating mode for the first fuel cell stack, heat from a brake resistor to the first fuel cell stack.
Absstract of: WO2025183484A1
The present application relates to a metal separator and a manufacturing method therefor. According to the present application, the metal separator having excellent electrical conductivity and corrosion resistance and the manufacturing method therefor can be provided.
Absstract of: WO2025183218A1
This electrolyte membrane comprises an electrolyte and a fullerene derivative having the structure in formula (1) (where FLN is fullerene or a derivative thereof, R 1 is an added group containing one or more carbon atoms, R 2 and R 3 are each independently a substituent containing one or more polar groups; n1≥1; n2≥1; and n3≥0).
Absstract of: WO2025183102A1
A flow path member comprises a metal first member and a metal second member. The first member has a first surface, a second surface that is located on the opposite side from the first surface, and a plurality of through holes that open to the first surface and the second surface. The second member is positioned such that a flow path is sandwiched between the first surface and the second member, and has a plurality of protrusions that protrude toward the first surface. The plurality of through holes include a first through hole that overlaps with at least one of the plurality of protrusions, in plan view from the second surface. The first through hole has: a second opening that opens to the second surface; and a first opening that opens to the first surface and that has a smaller opening area than the second opening.
Absstract of: WO2025183149A1
This electrochemical cell comprises a metal base material, an element part that is positioned on the metal base material, and a sealing part that contains a sealing material. The element part includes a solid electrolyte layer and a first electrode which contains particles of an oxide and is positioned on the opposite side of the metal base material across the solid electrolyte layer. The sealing part is disposed on the metal base material that is positioned around the element part. The first electrode has a contact part that is in contact with the sealing part, and a first portion that faces the contact part. The first portion comprises a sealing material between the particles.
Absstract of: WO2025183046A1
A fuel cell unit 1a of the present disclosure comprises a housing 10, a pair of doors 20, and a fuel cell module 30. The housing 10 has an opening 12. The opening 12 is surrounded by an edge 14. The edge 14 includes a first straight line section 14a and a second straight line section 14b. The first straight line section 14a and the second straight line section 14b extend parallel to each other. The pair of doors 20 are attached to the housing 10 and cover the opening 12. The fuel cell module 30 is positioned inside the housing 10. The pair of doors 20 include a first door 21a and a second door 21b. The first door 21a is attached to the first straight line section 14a so as to be able to rotate about the first straight line section 14a. The second door 21b is attached to the second straight line section 14b so as to be able to rotate about the second straight line section 14b.
Absstract of: WO2025183108A1
A power supply system 200 according to the present disclosure comprises: a photovoltaic power generation device 30; a fuel cell device 40; a power storage device 50 that stores surplus electric power and is capable of supplying the stored electric power to an electric power consumer; and a control device 10 that predicts the state of charge of the power storage device 50 on the basis of a predicted value of the power demand of the electric power consumer and a predicted value of the output of the photovoltaic power generation device 30 and that plans the output of the fuel cell device 40 on the basis of the predicted value of the power demand of the electric power consumer, the predicted value of the output of the photovoltaic power generation device 30, the predicted state of charge, and a weather forecast.
Absstract of: WO2025182638A1
The present invention provides a membrane electrode assembly which has improved cell characteristics over a long period of time. The membrane electrode assembly comprises a cathode gas diffusion layer, a cathode catalyst layer, a solid polymer electrolyte membrane, an anode catalyst layer, and an anode gas diffusion layer. The cathode catalyst layer comprises catalyst particles that contain platinum. At least one among the cathode gas diffusion layer, the anode catalyst layer, and the anode gas diffusion layer contains at least one melamine-based compound that is a compound represented by chemical formula (1), a salt of the compound, or a polymer of the compound. In chemical formula (1), R1 to R3 are each independently an amino group, an alkyl group, an alkylamino group, a thioalkylamino group, or an alkylaminosulfonic acid group.
Absstract of: WO2025183199A1
This system controls a work vehicle provided with a fuel cell and a power storage device. A control device of the system controls a power generation amount of the fuel cell on the basis of the altitude of the work vehicle.
Absstract of: WO2025182489A1
This hydrogen generation device (100) comprises: a heating unit (120); an evaporation unit (121) that heats water and raw material gas by heat from the heating unit (120); a reforming unit (122) that has a reforming catalyst and generates reformed gas containing hydrogen by reacting steam and the raw material gas from the evaporation unit (121); and a CO reduction unit (123) that has a CO reduction catalyst and reduces the concentration of carbon monoxide contained in the reformed gas. In the catalyst reduction step, reducing gas is supplied to the evaporation unit (121) to cause the reducing gas heated by heat from the heating unit (120) to flow to the reforming unit (122) and the CO reduction unit (123) (step S1), and water is supplied to the evaporation unit (121) to cause steam generated from water by heat from the heating unit (120) to flow to the reforming unit (122) and the CO reduction unit (123) (step S3).
Absstract of: WO2025183381A1
A separator for an electrochemical device includes a fluid inlet; a fluid outlet; a plurality of serpentine-type flow paths disposed between the fluid inlet and the fluid outlet; and an auxiliary flow path extending in a first direction and connected to inlets and outlets of the plurality of serpentine-type flow paths, the first direction being a direction from the fluid inlet toward the fluid outlet. The plurality of serpentine-type flow paths include a first serpentine-type flow path and a second serpentine-type flow path, and an inlet and an outlet of the second serpentine-type flow path are disposed closer to the fluid outlet in the first direction, compared to an inlet and an outlet of the first serpentine-type flow path.
Absstract of: WO2025183274A1
The present invention relates to a membrane-electrode assembly and a fuel cell including same. The membrane-electrode assembly has, by means of elongation, surface roughness only on the surface of a catalyst layer, such that interfacial bonding strength is increased by the surface roughness, the degree of contraction or expansion during cell operation is reduced such that durability may be improved, and furthermore, porosity is improved such that mass transfer and cell performance may also be improved.
Absstract of: WO2025183275A1
Disclosed herein is an electrode slurry capable of repairing cracks in an electrode. According to an aspect of the present invention, provided is an electrode slurry for repairing cracks, the electrode slurry comprising at least 60 wt% of a first solvent that has a surface tension of at most 40 mN/m at 20oC, wherein the electrode slurry has a surface tension of at most 65 mN/m at 20 °C, a viscosity of at most 100 cP at 20 °C, and a total solids content of at most 12 wt%.
Absstract of: WO2025181819A1
The present invention relates to a Microbial-bio-electrochemical reactor (M-BEC) for enhanced bio-H2 production. More particularly, the present invention relates to a reactor for the removal of biodegradable contaminants from wastewater using biological processes. The developed system is intrinsically coupled the dark fermentation with microbial-electrochemical process together into a next generation bio-reactor which employs biocatalyst to convert chemical energy stored in organics to hydrogen energy. The coupled M-BEC technology has developed to aimed towards the enhancement of the metabolic activity of electrochemically active biocatalyst by supplying organic/inorganic nutrients, electron acceptors, or donors, which felicitate the electro-hydrogenesis in a membrane less single cell reactor for bio- Hydrogen (green H2) production. The present invention also relates to a process for treatment of contaminated water which contains a large amount of biodegradable suspended solids and high concentrations of BOD and COD and enables bio-hydrogen generation with simultaneous removal of biodegradable TSS from wastewater.
Absstract of: WO2025182758A1
The purpose of the present invention is to provide a low-cost porous carbon sheet that has a high compression deformation rate when constituting a water electrolysis cell, does not have the problems of penetration and short-circuiting, and has excellent electrical conductivity. The porous carbon sheet is a sheet-shaped structure having a porous structure in which carbon fibers are bound by a binder. The porous carbon sheet has a thickness d0 under a pressure of 0.15 MPa of 1.8-3.0 mm, a thickness d1 under a pressure of 1.0 MPa of 85% or more of the thickness d0 under the pressure of 0.15 MPa, and a thickness d2 under a pressure of 4.5 MPa of 75% or less of the thickness d0 under the pressure of 0.15 MPa.
Absstract of: WO2025181686A1
The present disclosure provides a system and method for electro-fuel synthesis by coupling renewable energy and Carnot battery with Solid-Oxide Electrolyser Cell (SOEC) and Direct Air Capture (DAC) arrangement. The system provides an end-to-end solution for electrofuels synthesis with round-the-clock available renewable energy using Carnot battery that provides 5 both heat and power to run an SOEC. The heat from the Carnot battery is also used by the DAC arrangement to capture carbon dioxide from air. SOEC and DAC together facilitate in producing syngas using one of the two possible ways, i.e., regular electrolysis followed by reaction of H2 with CO2, or co-electrolysis. Further, the syngas is used for electro-fuel synthesis, for example, Fischer-Tropsch synthesis, or methanol synthesis followed by 0 Methanol-To-Gasoline (MTG) synthesis. Electro-fuels may also be produced by direct reaction of carbon dioxide from DAC and green hydrogen from SOEC. The heat from either of the pathways is recycled back to the system.
Absstract of: WO2025182144A1
A fuel cell unit 1a of the present disclosure comprises a plurality of fuel cell stacks 10, a measuring instrument 20, a first feeder 30, a second feeder 40, and a controller 50. The plurality of fuel cell stacks 10 are electrically connected in series. The measuring instrument 20 measures the voltage of the plurality of fuel cell stacks 10 electrically connected in series. The controller 50 causes the measuring instrument 20 to measure a voltage generated in the plurality of fuel cell stacks 10 under a first condition. Under the first condition, a plurality of fuel electrodes 11 of the plurality of fuel cell stacks 10 continue to receive fuel gas supply, and a plurality of oxidant electrodes 12 of the plurality of fuel cell stacks 10 are sequentially subjected to a process in which oxidant gas is supplied for a predetermined period and then the oxidant gas supply is stopped.
Absstract of: WO2025182490A1
A hydrogen generation device (100) comprises: a heating unit (120); a reforming unit (122) that has a reforming catalyst and generates reformed gas containing hydrogen by reacting steam and a raw material gas by means of heat from the heating unit (120); and a CO reduction unit (123) that has a CO reduction catalyst and reduces the concentration of carbon monoxide contained in the reformed gas by means of heat from the heating unit (120). The catalyst reduction step includes: causing reducing gas to flow to the reforming unit (122) and the CO reduction unit (123) (step S1); alternately repeating a first period for heating the reforming unit (122) by means of heat from the heating unit (120) and a second period for stopping heating by means of the heating unit (120) (step S2).
Absstract of: WO2025181934A1
Provided is a metal-air battery that is capable of maintaining charge/discharge performance for a long period of time with a simpler configuration and less manufacturing labor. A metal-air battery 10 has a fuel cell 12, a fuel material body 14, and a bonding body 16. The bonding body 16 contains glass and is disposed between the fuel cell 12 and an airtight container 16a in order to join the fuel cell 12 and the airtight container 16a together. The airtight container 16a accommodates the fuel material body 14 in an airtight manner, and an air electrode 12b of the fuel cell 12 is fixed in an airtight manner to a portion of a wall of the airtight container in a state where the air electrode 12b is exposed to the outside. The fuel cell 12 and the fuel material body 14 are heated and maintained at respective prescribed temperatures. The crystallization temperature of the glass in the glass-containing bonding body 16 is higher than the prescribed temperature of the fuel cell 12. The metal-air battery 10 is manufactured such that the glass-containing bonding body 16 does not exceed the crystallization temperature, and is used in a temperature region where crystallization of the glass-containing bonding body 16 is not promoted.
Absstract of: WO2025181943A1
This electrode structure includes: an electrode skeleton; first catalyst particles embedded in the electrode skeleton at certain portions and exposed from the electrode skeleton at other portions; and second catalyst particles formed from the same component as the first catalyst particles and bonded to the first catalyst particles.
Absstract of: WO2025181907A1
This solid oxide fuel cell is provided with: a metal support; a bonding layer provided on the metal support; a fuel electrode layer provided on the bonding layer; an electrolyte layer provided on a fuel electrode; and an air electrode layer provided on the electrolyte layer. The metal support has a base material formed of an alloy containing Fe and Cr and having a porous structure, an oxide film containing Al or Si and covering the surface of the base material, and metallic reforming catalyst particles carried on the oxide film and having a reforming catalyst function for fuel. The bonding layer is formed of an alloy containing Fe and Cr, and has a porous structure.
Nº publicación: WO2025181908A1 04/09/2025
Applicant:
NISSAN MOTOR CO LTD [JP]
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Absstract of: WO2025181908A1
This solid oxide fuel cell includes a battery laminate and gas seal parts for sealing outer peripheral ends of the battery laminate. The battery laminate includes: an electrolyte layer; an anode electrode layer and a cathode electrode layer disposed so as to sandwich the electrolyte layer therebetween; a cathode support disposed on the cathode electrode layer and including stainless steel; and a cathode junction layer disposed between the cathode electrode layer and the cathode support. The interfacial strength between the cathode junction layer and the cathode electrode layer is greater than the interfacial strength between the cathode support and the cathode junction layer.
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