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474
resultados
Última actualización
15/07/2026 [06:59:00]
Resultados 300 a 325 de 474
Resumen de: WO2026141602A1
Provided are: a carbon material which is for a catalyst carrier of a polymer electrolyte fuel cell, and which is composed of a porous activated carbon black and satisfies the following requirements (A)-(C); a catalyst layer for a polymer electrolyte fuel cell using the carbon material; and a fuel cell. (A) A BET specific surface area SBET is 410 m2/(g) to 1.000 m2/(g). (B) A peak intensity ratio ID/IG of a D-band peak intensity ID to a G-band peak intensity IG is 1.2 to 2.2. (C) A full width at half maximum ΔG of a G band peak is 72 cm-1 to 83 cm-1.
Resumen de: WO2026141060A1
The present invention provides: a conductive sheet that includes a carbon-based conductive substance, does not substantially contain a fluororesin, and has a local maximum peak of 0.1-5.0 μm in a pore size distribution; a membrane electrode assembly; and a fuel cell.
Resumen de: WO2026141604A1
The present invention provides: a carbon material for a catalyst support of a polymer electrolyte fuel cell, said carbon material being composed of porous activated carbon black and satisfying the following requirements (A) to (D); a catalyst layer using the same; and a fuel cell. (A) The adsorption amount at a relative pressure of 0.1 is 100 mL/g to 250 mL/g. (B) The nitrogen adsorption amount for pores having a pore diameter of 2 nm to 6 nm as obtained by subtracting the nitrogen adsorption amount at a relative pressure of 0.218 from the nitrogen adsorption amount at a relative pressure of 0.671 is 50 mL/g to 300 mL/g. (C) The difference obtained by subtracting the adsorption amount at a relative pressure of 0.8 according to an adsorption isotherm from the adsorption amount at a relative pressure of 0.8 according to a desorption isotherm is 50 mL/g or less. (D) The line width of a peak appearing near 1580 cm-1 in a Raman spectrum is 70 cm-1 to 84 cm-1.
Resumen de: WO2026141603A1
This catalyst carrier carbon material for a solid polymer electrolyte fuel cell comprises porous activated carbon black satisfying the following requirements (A) to (C). (A) The pore volume VA20 of pores having a pore diameter of 20 nm or less is 0.45-0.80 mL/g. (B) The pore volume VA1.5 of pores having a pore diameter of 1.5 nm or less is 0.005-0.045 mL/g. (C) The pore volume VD5-6 of pores having a diameter of 5-6 nm is 0.004-0.035 mL/g.
Resumen de: WO2026141061A1
Provided are: an electroconductive sheet containing a fluororesin and a carbon-based electroconductive substance that contains carbon-based electroconductive fibers having an average fiber diameter of 0.1-0.9 µm, wherein the fluororesin content is 1-35 mass% with respect to the total solids of the electroconductive sheet, and the maximum peak in the pore size distribution is in the range of 0.1-5.0 µm; a membrane electrode assembly; and a fuel cell.
Resumen de: WO2026141062A1
Provided are: a gas diffusion layer comprising a carbon fiber layer and a microporous layer that contains an aromatic polyamide pulp, a water-dispersed resin, and a carbon-based electroconductive substance and is provided upon the carbon fiber layer; a gas diffusion electrode; a membrane electrode assembly; a fuel cell; a production method for the gas diffusion layer; a production method for the gas diffusion electrode; and a production method for the membrane electrode assembly.
Resumen de: WO2026139606A1
The invention relates to a polar separator (5) comprising: routing walls (52H, 72H) comprising an internal routing end (61H, 81H) bordering an internal routing inlet (58H, 78H); injection walls (52A) comprising an internal injection end (61A) facing the internal routing ends (61H, 81H). The routing walls (52H, 72H) form: a first group (G1H), for which each internal routing inlet (58H, 78H) has a reduced cross section, and a second group (G2H), for which each internal routing inlet (58H, 78H) has a uniform cross section. The injection walls (52A) form: a first group (G1A), for which each internal injection inlet (58A) has a reduced cross section, and a second group (G2A), for which each internal injection inlet (58A) has a uniform cross section.
Resumen de: WO2026139616A1
The invention relates to a polar separator (5) comprising a polar plate (10), the polar plate (10) comprising an integrated routing field (70H) comprising integrated routing walls (72H) delimiting integrated routing channels (77H). The polar separator (5) comprises a guide (50H), which is received on a receiving location (40H) in order to form an added routing field (39H), the guide (50H) comprising added routing walls (52H), made of seal material, delimiting added routing channels (57H), each added routing wall (52H) comprising an application surface, via which the added routing wall (52H) bears on a first receiving surface (41H) belonging to the receiving location (40H).
Resumen de: WO2026139612A1
The invention relates to a guide (50H) for a receiving location (40H) of a polar plate (10), the guide (50H) comprising: added injection walls (52A) for forming an added injection field (37H), so as to delimit added injection channels (57A) for guiding an injected portion of a functional fluid, added routing walls (52H) for forming an added routing field (39H), so as to delimit added routing channels (57H) for guiding a routed portion of the functional fluid, and an anchoring mat (51H) to which each added routing wall (52H) and each added injection wall (52A) is connected, such that the added routing walls (52H), the added injection walls (52A) and the anchoring mat (51H) together form a single monolithic piece made of seal material.
Resumen de: WO2026141577A1
A carbon fiber woven fabric according to the present invention is formed by interlacing warp yarns and weft yarns, wherein the warp yarns and/or the weft yarns are constituted by spun yarns comprising carbon fibers having a length of 90-230 mm.
Resumen de: US20260188711A1
A coolant expansion tank for a vehicle cooling system includes a cooling fluid port for receiving cooling fluid for at least one coolant chamber on a coolant side of the coolant expansion tank. The tank further includes a transfer channel between the at least one coolant chamber and a pressured air side of the coolant expansion tank. The tank further includes the pressurized air side separated from the coolant side by a wall having the transfer channel, the pressurized air side providing pressurized air to the one or more coolant chambers via the transfer channel. The tank further includes a gas separation inlet on the coolant side for receiving gas separated from cooling fluid by a separator, the gas contributing to air pressure on the cooling fluid in the coolant side, wherein the excess pressure is released from the pressurized air side to a feed air transfer pipe.
Resumen de: US20260184234A1
0000 A method for controls a cooling system of a power assembly having a fuel cell unit and an electric energy storage system. The cooling system is controllable to cool the fuel cell unit to a first temperature at which the fuel cell unit can generate power at a first power level, and at which the electric energy storage system delivers output power when the power request is above the first power level. The method comprises predicting a power request for power delivery from the power assembly during a future time interval, determining an electric energy level of the electric energy storage system, determining if the power assembly will be unable to deliver output power according to the power request throughout the time interval, controlling the cooling system to cool the fuel cell unit to a second temperature higher than the first temperature.
Resumen de: US20260185242A1
0000 An electrolyzer including a plurality of separation plates, and a membrane-electrode assembly between the plurality of separation plates and including a plurality of electrodes and a separator between the plurality of electrodes, wherein each of the separation plates includes a first passage part in which embossings and engravings are alternately provided on an active area of one surface thereof to provide a first passage, and a second passage part in which embossings and engravings are alternately provided on an active area of the other surface thereof to correspond to the embossings and engravings provided in the first passage part so as to provide a second passage.
Resumen de: WO2026137536A1
The present invention relates to the technical field of sealing materials. Disclosed are an SOFC high-temperature vermiculite sealing material and a preparation method therefor. The material is prepared from modified chemically-expanded vermiculite and anion high-temperature expanded vermiculite. The modified chemically-expanded vermiculite is positively charged, and the anion high-temperature expanded vermiculite is negatively charged; and the two are mixed to generate electrostatic attraction so as to achieve compounding. The material does not contain any adhesive, and the ignition loss is significantly reduced while the compounding strength of the sealing material is unchanged. A fatty acid salt is used as an intercalation agent of the chemically-expanded vermiculite, and the modified chemically-expanded vermiculite prepared from the fatty acid salt has a 700°C high-temperature-resistant compressive strength. The anion high-temperature expanded vermiculite is produced by treating high-temperature expanded vermiculite with anion air, allowing the high-temperature expanded vermiculite to be loaded with and accumulate negative charges, and treating high-temperature expanded vermiculite with anion air requires no chemical agents, has a simple process, and can be produced on a large scale.
Resumen de: US20260188704A1
0000 A gas diffusion layer includes: a porous member containing conductive particles, conductive fibers, and a polymer resin, wherein the polymer resin has polymer resin particles presenting in particulate form, and the polymer resin includes two or more polymer resin particles fused together in part.
Resumen de: US20260188712A1
The invention relates to a method for operating a fuel cell system (BS), having the steps of determining (S1) a gas concentration of a hydrogen and/or a concentration of a foreign gas in a gaseous fuel on an anode side (A) of a fuel cell (BZ) while operating a fuel cell (BZ); comparing (S2) the gas concentration of the hydrogen to a specified hydrogen concentration value and/or comparing the concentration of the foreign gas to a specified foreign gas concentration value; opening (S3) a discharge valve (AV) in a recirculation circuit (RZ), wherein the recirculation circuit (RZ) is connected to the anode side (A) and the gaseous fuel is at least partially discharged out of the recirculation circuit (RZ) via the discharge valve (AV) when the gas concentration of the hydrogen falls below the specified hydrogen concentration value and/or when the concentration of the foreign gas exceeds the specified foreign gas concentration value; introducing (S4) fresh hydrogen from a hydrogen supply line (WL) into the recirculation circuit (RZ), wherein the hydrogen supply line (WL) is connected to the recirculation circuit (RZ); monitoring (S5) an opening time of the discharge valve (AV) and comparing the opening time to a target time; and reducing (S6) an operating output of the fuel cell (BZ) by a specified degree over a specified time when the opening time exceeds the target time.
Resumen de: US20260188713A1
0000 This disclosure relates to a hydrogen fuel cell system, including: a stack assembly, an air guide device and a hydrogen storage cylinder; The stack assembly has an air inlet and an air outlet. The air guide device includes an air hood, a fan and a mounting shell set inside the air hood. The air hood is set at the air outlet. A first air duct is formed between the outer wall of the mounting shell and the inner wall of the air hood. The air inlet of the fan is connected to the first air duct. A second air duct is set inside the mounting shell, and the hydrogen storage cylinder is set inside the second air duct.
Resumen de: 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.
Resumen de: AU2024408227A1
The present disclosure provides a method and system for continuously producing an electrolyte from ammonium metavanadate. The method provided by the present disclosure comprises: (1) reducing an ammonium metavanadate material at predetermined pressure and a predetermined temperature, and controlling the circulation amount of a gas generated by reduction and the feeding speed of the material to obtain a product containing vanadium oxide, wherein the predetermined pressure is 0.02-0.12 MPa, and the predetermined temperature is 400-650°C; and (2) when the temperature of the product containing vanadium oxide is reduced to a predetermined threshold, feeding acid and water, controlling the feeding speed of the acid and the water, and performing continuous production to obtain the electrolyte in a target valence state, wherein the electrolyte in the target valence state is a 3-4 valent vanadium electrolyte. Ammonium metavanadate is reduced, and vanadium oxides in different valence states are obtained by controlling the circulation amount of the gas generated by reduction and the feeding speed of ammonium metavanadate. Moreover, the acid and the water are fed, and continuous production is performed to obtain the vanadium electrolyte in the target valence state.
Resumen de: WO2026139576A1
The present invention relates to an exhaust device (60) for a fuel cell system comprising a mixing chamber (62), a hydrogen inlet (74) connected to an anode outlet of the fuel cell, an oxygen inlet (76) connected to a cathode outlet of the fuel cell, two exhaust outlets (84.1, 84.2) fluidically connected to the mixing chamber (62) and extending along different respective main outlet axes. The exhaust device (60) comprises two distinct exhaust mounting configurations comprising a first configuration, in which only a first of the exhaust outlets (84.1) is able to exhaust to downstream a fluid contained in the mixing chamber (62), and a second configuration, in which only a second of the exhaust outlets (84.2) is able to exhaust to downstream a fluid contained in the mixing chamber (62).
Resumen de: WO2026139559A1
The present invention relates to a fuel cell system comprising an air circuit and a cooling circuit (70) for cooling the fuel cell, the air circuit comprising an air supply line (31) connected to the cathode inlet of the cell, which air supply line (31) comprises a compressor (40), and further comprising an air discharge line (32) connected to the cathode outlet (14). The fuel cell system (1) is mounted in a spatial arrangement comprising: - positioning a portion of the air supply line (31) extending from the compressor (40) to the cathode inlet above the cooling circuit (70) in the direction of elevation (Z) of the fuel cell system; and - positioning the air circuit and the cooling circuit (70) next to the fuel cell in a plane perpendicular to the direction of elevation (Z).
Resumen de: AU2024379292A1
Disclosed in the present invention is a flow battery energy storage system of 30 MW level and above, which comprises more than eight fluid process systems. A positive electrolyte storage tank and a negative electrolyte storage tank of each fluid process system are respectively connected to a positive electrode current equalizer and a negative electrode current equalizer by means of transfer pumps, the current equalizers supplying electrolyte to positive electrodes and negative electrodes of all battery stacks in the system simultaneously, and the electrolyte from an electrolyte outlet of each battery stack being combined and flowing back to the electrolyte storage tanks by means of another positive electrode current equalizer and negative electrode current equalizer separately. The battery stacks with the corresponding serial numbers in the fluid process systems are connected in series, and each string of battery stacks is externally connected to a converter device. The present invention adds current equalizers or multi-stage distribution pipelines for battery stacks, so as to achieve uniform fluid distribution, and reduce the flow difference. In addition, using advanced converter devices overcomes the problems of system energy loss or low reliability and stability caused by a circuit topology between a conventional battery stack and DC/DC and/or AC/DC, as well as the limitations of low integration and small power scale, generally not greater than 500 kW of individual energy
Resumen de: US20260188708A1
A bipolar or monopolar plate for a proton-exchange membrane fuel cell, each having first channels for circulation of reactive gases, dihydrogen and air respectively, and second channels for circulation of a heat-transfer fluid. The first and second channels extend in orthogonal directions along the length and the width, respectively, of the plate and follow a path defining undulations in an undulation plane substantially perpendicular to the main plane of the plate, and the channels have a cross-section varying between a maximum cross-section and a minimum cross-section, the minimum cross-section corresponding to the locations in which one of the first channels crosses one of the second channels.
Resumen de: 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.
Nº publicación: WO2026139622A1 02/07/2026
Solicitante:
ETSEM LAB [FR]
ETSEM LAB
Resumen de: 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).
BOPI
Sede Electrónica
