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476
results.
Updated on
16/07/2026 [06:56:00]
Results 425 to 450 of 476
Absstract of: US20260184821A1
A preparation method for a sulfonated nanocellulose film with high proton conductivity includes steps as follows. A dark oxidation reaction is performed on cellulose with sodium periodate by using deionized water as a medium at a pH of 2 to 3 to obtain dialdehyde cellulose. A Schiff base reductive amination reaction is performed on the dialdehyde cellulose, 2-aminoethanesulfonic acid, and 2-methylpyridine borane to obtain a first reacted solution, subsequently, impurities in the first reacted solution are removed to obtain a sulfonated nanocellulose suspension. The sulfonated nanocellulose suspension is shaped into a film by vacuum filtration, and then the film is dried to obtain a sulfonated nanocellulose film with high proton conductivity, which addresses the problems of cellulose, such as low proton conductivity, non-biodegradability, and indirect environmental pollution caused by the preparation process.
Absstract of: WO2026139495A1
The invention relates to a method for generating electrical power from a carbon- and oxygen-containing fuel, using a reforming reactor (34) and a solid-oxide fuel cell (SOFC) (40) comprising an anode (40a), a cathode (40c) and a stack (40b) between the anode (40a) and the cathode (40c), comprising the steps of: - reforming the carbon- and oxygen-containing fuel and water in the reforming reactor (34), in order to produce a syngas, - injecting the syngas into the anode (40a) and combustion air into the cathode (40c), so as to make the syngas react with the air, in order to generate a voltage between the anode (40a) and cathode (40c), - recirculating the unreacted syngas from the SOFC (40) into a catalytic burner (33), in order to provide the heat necessary for the reforming step in the reforming reactor (34), - heating the syngas to be injected into the anode (40a), in order to reach a predetermined temperature level, - controlling the variation between the pressure inside the cathode (40c) and the pressure inside the anode (40a) within a predetermined pressure variation range.
Absstract of: WO2026139622A1
The invention relates to a power generator comprising fuel cells with anode and cathode output terminals. Frames define a window for receiving a fuel cell and a through-hole. The frames are stacked on top of one another and the through-holes are aligned in a stacking direction. The fuel cells are stacked in the stacking direction between two frames to form an alternation with the through-holes in the stacking direction. Each group of two consecutive fuel cells has two anode current connectors (4) or two cathode current connectors that are the current collectors the most adjacent to one another in the stacking direction, said most adjacent current collectors being supplied by the same supply channel. The set of frames defines electrical tracks connecting the anode output terminals and the cathode output terminals (3).
Absstract of: US20260188709A1
A fuel cell is provided that includes: a power generating portion including an electrolyte membrane and a pair of electrode layers sandwiching the electrolyte membrane; a pair of separators sandwiching the power generating portion; a gas channel interposed between the power generating portion and at least one of the separators; and at least one capillary channel configured to transfer product water by capillary action from a first region toward a second region. The first region is a region near a gas discharge port configured to discharge gas from the gas channel. The second region is a region near a gas supply port configured to supply the gas to the gas channel.
Absstract of: WO2026142028A1
An electrochemical cell stack includes first and second separators, an electrochemical cell disposed between the first and second separators, a first metal foam disposed between the first separator and the electrochemical cell, and a cell frame surrounding side surfaces of the first and second separators and the first metal foam.
Absstract of: WO2026142991A1
An ambient energy converter derives energy from variations in ambient temperature and humidity. The ambient energy converter includes a controller, a first chamber containing a first hygroscopic ionic solution and a second chamber containing a second ionic solution. Each chamber includes an electrochemically reactive electrode in contact with the solution therein. The chambers are separated by an ion conductive membrane that conducts an ion species of the solutions. The first solution is coupled to ambience and maintains water vapor pressure equilibrium with changes in ambient humidity. The process results in water condensing and evaporating into and out of the solution with increases and decreases in ambient humidity respectively. The second solution is sealed within a chamber and coupled to the hygroscopic solution by an ion conductive barrier. Water vapor condensing into or evaporating from the hygroscopic solution creates a concentration differential across the ion conductive barrier that generates electricity.
Absstract of: WO2026139296A1
A system and method of generating electrical energy using a fuel cell while decarbonizing an exhaust gas generated by the fuel cell is disclosed. Heat generated by an electrochemical reaction within the fuel cell can be recovered at both an anode side and a cathode side of the fuel cell, and at least some of the recovered heat can be used to preheat each of a natural gas fuel feed and an oxidant supplied to the fuel cell. A carbon capture system may be included and used to capture and liquefy carbon dioxide present in an anodic exhaust gas emitted by the fuel cell. The liquefaction subsystem of the carbon capture system may utilize liquefied natural gas from which the natural gas fuel feed is derived as a cooling media for liquefying captured and compressed carbon dioxide.
Absstract of: WO2026139293A1
A system and method of generating electrical energy using a fuel cell while decarbonizing an exhaust gas generated by the fuel cell is disclosed. Heat generated by an electrochemical reaction within the fuel cell can be recovered at both an anode side and a cathode side of the fuel cell, and at least some of the recovered heat can be used to preheat each of a fuel feed and an oxidant supplied to the fuel cell. A carbon capture system may be included and used to capture and liquefy carbon dioxide present in an anodic exhaust gas emitted by the fuel cell. At least a liquefaction subsystem of the carbon capture system may receive a cooled refrigerant from a vapor absorption and refrigeration device that cools the refrigerant using heat extracted from heat transfer fluid heated by recovered heat from the anodic exhaust gas and a cathodic exhaust gas.
Absstract of: US20260188716A1
0000 A structure includes a base, columns extending vertically from the base, floor beams extending horizontally and attached to the columns, at least one floor located above the base and attached to the columns and the floor beams, and electrochemical cell systems located on the at least one floor, each of the electrochemical cell systems being supported by a pair of skid rails which extend in a first direction.
Absstract of: WO2026141499A1
This conductive porous member comprises metal particles and titanium oxide particles. The titanium oxide particles include first titanium oxide particles having a first part containing TiOx (0.5≤x≤1.95) in a surface layer portion at a distance of 30 nm or less from the particle surface.
Absstract of: WO2026140487A1
Problem To provide an evaluation device, an evaluation method, and a program for a chemical reaction cell that enable more accurate and precise quantitative evaluation of the performance of a cell stack itself in a furnace by reducing unevenness in the temperature distribution of the cell stack during performance evaluation. Solution The present invention is provided with: a furnace 2 that covers a specimen T, which is a chemical reaction cell; first heaters 3 that are provided on inner wall sections 21 of the furnace 2; a base plate 4 that is provided on a bottom surface 23 of the furnace 2 and that supports the specimen T; a second heater 5 that is provided in the base plate 4; and a control unit 6 that controls the individual outputs of the first heaters 3 and the second heater 5.
Absstract of: US20260185244A1
0000 A method of manufacturing a porous transport layer (PTL) for an electrochemical cell includes placing a porous sheet between a base die having a top face profile and a compression block having a bottom face profile, and drawing the base die and the compression block toward each other while maintaining a first porosity of a first region of the porous sheet and generating a second porosity of a second region of the porous sheet corresponding to the top face profile of the base die, the first porosity is greater than the second porosity.
Absstract of: DE102024212312A1
Die vorliegende Erfindung betrifft eine elektrochemische Zelle (1), insbesondere eine Elektrolysezelle. Die elektrochemische Zelle (1) umfasst eine katalysatorbeschichtete Membran (100), beidseitig auf dieser angeordnete Diffusionslagen (5, 6), auf den Diffusionslagen (5, 6) angeordnete Verteilerplatten (7, 8) und einen Dichtrahmen (40). Der Dichtrahmen (40) ist die katalysatorbeschichtete Membran (100) und die Diffusionslagen (5, 6) umgebend angeordnet. Der Dichtrahmen (40) wirkt an seinen Stirnseiten (40a, 40b) mit je einer Verteilerplatte (7, 8) zusammen. An dem Dichtrahmen (40) ist eine Passfeder (50) ausgebildet, welche mit einer in einer der Verteilerplatten (7, 8) ausgebildeten Ausnehmung (70) zusammenwirkt.
Absstract of: WO2026139819A1
The present invention reduces noise emitted from a power generation unit by using heat emitted from the power generation unit. A power generation unit (1) comprising a fuel cell module (31) and auxiliary machines (32, 33, 35) in a container (11) comprises: a thermoelectric power generation unit (23) that generates electric power from heat emitted from the power generation unit (1); and a noise reduction unit (20) that is operated by the electric power generated by the thermoelectric power generation unit (23) and reduces noise emitted from the power generation unit (1).
Absstract of: US20260185243A1
0000 A method of manufacturing a porous transport layer (PTL) for an electrochemical cell may include filling a sintering bed with a powder substance, wherein the sintering bed has a top face profile, and applying heat to the sintering bed and the powder substance to form the PTL from the powder substance, the PTL having a first thickness in a first region and a second thickness in a second region, the first thickness is greater than the second thickness.
Absstract of: WO2026139766A1
A process for producing ammonia comprises a first operation mode and a second operation mode; the first operation mode comprises the steps of: producing a gaseous CO stream by electrolysis in electrolytic cells supplied with energy and a CO2 stream; liquefying the gaseous CO stream obtaining a liquid CO stream that is stored in a CO storage unit (5); sending a high pressure CO stream, taken from the CO storage unit (5), to a CO conversion unit (13) together with a liquid water stream to conduct a water-gas shift reaction and produce H2 to use in the ammonia synthesis reaction; the second operation mode comprises the steps of: operating at least a part of the electrolytic cells in reverse mode, i.e., as fuel cells, where CO and O2 are fed and CO2 is produced with generation of electricity; the cells operating as fuel cells being supplied with CO taken and pumped from the CO storage unit (5) and stored in the first operation mode, and with O2 produced in an air distillation step.
Absstract of: WO2026140413A1
This method for fixing a gasket for a fuel cell or a water electrolysis device is provided with a surface treatment for treating the surface of a separator along a seal line for fixing the gasket. The surface treatment has a first surface treatment for roughening the surface and a second surface treatment for roughening the surface. The first surface treatment is a treatment for forming nano-order irregularities, and the second surface treatment is a treatment for forming micro-order irregularities. The first surface treatment is performed simultaneously with the second surface treatment or before the second surface treatment.
Absstract of: WO2026137046A1
Disclosed is a bipolar plate for an electro-energy or electro-synthetic cell. The bipolar plate comprises an internal channel and can increase in thickness. The bipolar plate is adapted to apply a pressure or a force to an adjacent object when a fluid contained in the internal channel is pressurised. When provided as part of a stack of multiple adjacent electro-energy or electro-synthetic cells, the increase in thickness of the bipolar plate is adapted to create and thereafter maintain a compression force across the stack of multiple cells. Also disclosed is a cell stack, and method of forming the cell stack, comprising more than one individual cells, wherein bipolar plates are positioned between adjacent cells in the cell stack. The more than one individual cells are stacked in electrical series between a first endplate and a second endplate.
Absstract of: WO2026137174A1
An electrochemical cell frame and a manufacturing method therefor. The electrochemical cell frame comprises a cathode frame (1) and an anode frame (2) stacked on each other. At least part of the cathode frame (1) and the anode frame (2) comprise a metal material, and the cathode frame (1) and the anode frame (2) are insulated from each other. The electrochemical cell frame is divided into a cathode frame and an anode frame, and the two frames are insulated from each other, thereby meeting the insulation requirements. Moreover, at least part of the cathode frame and the anode frame are made of a metal material; thus, compared with conventional frames completely made of a plastic material, the structural strength of the frame can be further improved, and manufacturing costs can be reduced.
Absstract of: US20260189012A1
A controls system for a power generation system includes an input layer configured to receive one or more inputs from an application, a controls layer in communication with the input layer and configured to determine and transmit control signals to control systems of the power generation unit, an output layer in communication with the controls layer and configured to receive the control signals from the controls layer and translate the control signals into output signals, and an actuator subsystem including one or more actuators configured to receive the output signals from the output layer and control the systems of the power generation unit based on the output signals.
Absstract of: WO2026141437A1
The present invention provides an adhesive composition comprising an acid-modified polypropylene and an unmodified polypropylene, wherein the total content of the acid-modified polypropylene and the unmodified polypropylene is 50% by mass or more relative to the total amount of the adhesive composition and the adhesive composition has a melting point of 140°C or less, and an application of the adhesive composition. This adhesive composition is used for gaskets of fuel cells.
Absstract of: WO2026141701A1
A gasket (10) seals, in a cell (100) of a water electrolysis device, a space (S1) between a separator (101) and an electrolyte membrane (104) of a membrane assembly (103), and a space (S2) between a separator (102) and the electrolyte membrane (104). This gasket (10) comprises: a seal side surface (11) and a contact side surface (12) that face away from each other; a plurality of through-holes (13) that pass through between the seal side surface (11) and the contact side surface (12); a first seal section (14) that is formed on the seal side surface (11) and that is for sealing the space (S1) or the space (S2); and a plurality of second seal sections (15) that are formed on the seal side surface (11) farther on the outer peripheral side than the first seal section (14) and that respectively surround the plurality of through-holes (13). The gasket (10) is configured such that the reaction force F increases when the crushing margin C between the separators (101, 102) reaches or exceeds a predetermined value.
Absstract of: WO2026142354A1
The present invention relates to an electrolyte membrane comprising a bipolar metal selective proton conductor. A hydrogen storage alloy is introduced therein to conduct, without hydration, protons, thereby enabling crossover to be completely blocked, and has excellent mechanical strength, and thus can replace a conventional Nafion electrolyte membrane. In addition, if the electrolyte membrane is applied to a proton-exchange membrane for a fuel cell, electrochemical performance of the fuel cell can be improved.
Absstract of: EP4769583A1
0001 The invention related to a method for measuring the mass flow of hydrogen traversing a Pressure Control Valve (PCV) (4) in a fuel cell system (1), 0002 The method according to the invention involves a sub-method of calibrating the Pressure Control Valve (PCV) (4) for establishing a lookup table matching voltage supplied to the Pressure Control Valve (PCV) (4) with a value of the mass flow of hydrogen, depending on external parameters such as various electric currents evolution within the Pressure Control Valve (PCV) (4).
Nº publicación: EP4767382A1 01/07/2026
Applicant:
UNIV DANMARKS TEKNISKE [DK]
Danmarks Tekniske Universitet
Absstract of: WO2025045732A1
The invention relates to a method for manufacturing a multilayer structure with internal voids, such as monolithic stacks for solid-state electrochemical devices such as batteries, SOFC/SOEC stacks, gas separation devices, etc. The method comprises providing green layers comprising a first binder and enclosing a mold material that fills out an interstice between the layers. The layers are adhered, such as by application of elevated pressure and/or temperature, to form a multilayered structure having a mold-filled interstice with no fluid connections to an outside of the multilayer structure. Thereafter, the multilayer structure is machined to provide a fluid connection between the at least one mold-filled interstice and the outside of the multilayer structure. A viscosity of at least part of the mold material is decreased to allow easy removal of the mold material from the at least one interstice via the fluid connection, thereby forming an internal void in the multilayer structure. The viscosity decrease is induced without initiating a phase change to gas phase in and/or combustion of the first binder, i.e., without initiating de-binding or binder burnout. After removal of the mold material, there are free access to the binder-containing materials inside the structure via the voids and fluid connections, and the multilayer structure can be heat treated to perform binder burnout and sintering without the risk of structural damage.
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