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476
results.
Updated on
16/07/2026 [06:56:00]
Results 375 to 400 of 476
Absstract of: US20260184563A1
Proposed are a carbon dioxide capture and carbon resource utilization system for a fuel cell and a carbon dioxide capture and carbon resource utilization method for a fuel cell. The system includes a fuel cell which requires hydrogen to generate electric power, a hydrocarbon reformer configured to generate a gas mixture containing hydrogen and carbon dioxide and configured to extract hydrogen and to supply the extracted hydrogen to the fuel cell, a reactor configured to capture carbon dioxide by reacting carbon dioxide with a basic alkali mixture solution and to collect a reaction product containing the captured carbon dioxide and to separate a carbon dioxide reaction product and a waste solution from the reaction product, and a hydrogen generator configured to generate hydrogen and to supply the generated hydrogen to the fuel cell.
Absstract of: US20260188791A1
Systems and methods of the various embodiments may provide bifacial sealed gas diffusion electrode (GDE) assemblies. In some embodiments, a bifacial sealed gas diffusion electrode (GDE) assembly includes active electrode layers on two opposing sides of the assembly. Various embodiments may provide architecture and/or sealing methods for GDE assemblies. In various embodiments, the GDE assemblies may be for use in devices. In various embodiments, the devices may be primary or secondary batteries. In various embodiments, these devices may be useful for energy storage. For example, bifacial sealed GDE assemblies of the various embodiments may form cathode electrodes (sometimes called air electrodes) of a battery, such as a metal-air battery.
Absstract of: US20260185543A1
0000 A two-stage jet device with a flow guide structure includes a cavity and a nozzle. An end of the cavity is provided with a first gas inlet and a second gas inlet, the nozzle includes a first-stage nozzle and a second-stage nozzle, the first-stage nozzle is located in a mixing cavity, the second-stage nozzle is mounted in the first-stage nozzle in an axially movable manner, and the second gas inlet is in communication with a first jet channel or two jet channels by moving the second-stage nozzle; the jet device further includes guide vanes, the guide vanes are arranged in the first gas inlet and a suction cavity of the mixing cavity respectively, the guide vane in the suction cavity is rotatable, and a control system controls a rotation angle of the guide vane in the suction cavity according to a position of the second-stage nozzle.
Absstract of: US20260183993A1
The invention relates to manufacturing method for components of a fuel cell stack from a mixture of plastic and at least one electrically conductive filler by means of a double belt press. The manufacturing method according to the invention is characterized in that an uncured or incompletely cured strip-shaped blank comprising the mixture is fed into an isochoric double belt press having individual segments, wherein each of the individual segments has a shaping structure for shaping the blank into the component as the blank passes through the double belt press, wherein the individual segments on the two belts of the double belt press position themselves relative to one another during the pressing process by means of corresponding locking elements. The invention further relates to a manufacturing method for bipolar plates and/or interface plates, the halves of which are manufactured according to the above method and are bonded to one another in an isobaric double belt press.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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).
Absstract of: 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.
Absstract of: 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.
Absstract of: US20260188715A1
A composition for a membrane-electrode assembly has high oxygen permeability and excellent proton conductivity. The composition for a membrane-electrode assembly includes an ionomer having proton conductivity, and a polymer of intrinsic microporosity. The polymer of intrinsic microporosity comprises a proton conductive functional group.
Absstract of: WO2026139618A1
The present invention relates to a polar plate (10) for a fuel cell, the polar plate (10) comprising a flow field comprising walls (40) and channels for guiding a flow of reactive fluid; a rim (50), which is bordered by a final wall (41) and extends the primary plate beyond the flow field; a lateral sealing location (54) provided to receive a peripheral seal; and a bypass zone (56), which is formed on the rim and delimited by the lateral sealing location and the final wall and allows a flow of reactive fluid to bypass the flow field. In order to stiffen the bypass zone, the polar plate comprises groups (64) of stiffening reliefs (66, 68, 70), which are formed on the rim, disposed in the bypass zone, aligned with one another and spaced apart in a longitudinal direction. Each group comprises at least two stiffening reliefs that are nested transversely and longitudinally.
Absstract of: WO2026139609A1
The present invention relates to a polar plate (10) for a fuel cell, the polar plate (10) comprising a flow field comprising walls (40) and channels for guiding a flow of reactive fluid; a rim (50), which is bordered by a final wall (41) and extends the primary plate beyond the flow field; a lateral sealing location (54) provided to receive a peripheral seal; and a bypass zone (56), which is formed on the rim and delimited by the lateral sealing location and the final wall and allows a flow of reactive fluid to bypass the flow field. In order to stiffen the bypass zone, the polar plate comprises a stiffening relief (60), which is formed by the primary face on the rim, is disposed in the bypass zone between the final wall and the lateral sealing location and extends continuously over at least 75% of the length of the flow field.
Absstract of: WO2026139608A1
The added partition walls (52H) form a first group (G1H), for which: each internal inlet (58H) has a reduced cross-sectional area, the internal end (61H) of each of these added partition walls (52H) is arranged on the anchoring mat (51H). The added partition walls (52H) form a second group (G2H), for which each internal inlet (58H) has an equal cross-sectional area.
Absstract of: WO2026141046A1
This gas diffusion electrode includes a carbon material and a polyolefin resin represented by the following formula: -CH2-CH(-R1-CHR2R3)n-CH2-CH2m-, wherein n is the average degree of polymerization of the repeating unit CH2-CH(-R1-CHR2R3), m is the average degree of polymerization of the repeating unit CH2-CH2, R1 is a linear alkylene group having 1 to 20 carbon atoms, and R2 and R3 are each hydrogen or a linear alkyl group having 1 to 20 carbon atoms, the average degree of polymerization n being 10 to 10000 and the average degree of polymerization m being 0 to 10000.
Absstract of: WO2026139623A1
The invention relates to a fuel cell comprising a proton exchange membrane (1) covered by a nanostructured anode electrode (2) and by a nanostructured cathode electrode (3). An anode current collector (4) and a cathode current collector (5) are respectively in contact with the anode electrode (2) and with the cathode electrode (3). The current collectors are porous as well as electrically and thermally conductive. The current collectors define a portion of the supply channels that connect the cathode electrode to an oxygen source and the anode electrode to a hydrogen source. The anode electrode (2) is fixedly mounted on the cathode current collector (5). The cathode current collector introduces a pressure loss such that the flow rate of the oxygen supply channel is at least five times greater than the flow rate in the cathode electrode (3).
Absstract of: WO2026141941A1
The present invention relates to an electrode for a fuel cell, a membrane-electrode assembly including same, and a fuel cell. The electrode for a fuel cell is an electrode having a multilayer structure including a laminate of a first layer and a second layer, wherein the first layer includes a carbon-based material, and the second layer includes an active metal.
Absstract of: WO2026141942A1
The present invention relates to a fuel cell electrode, and a method for manufacturing a membrane-electrode assembly. The method for manufacturing a fuel cell electrode comprises a step of immersing, in an active metal solution, a first layer containing a carbon-based material, so as to form, on the first layer, a second layer containing an active metal.
Absstract of: WO2026141940A1
The present invention relates to an electrode for a fuel cell and a method for manufacturing a membrane-electrode assembly. A method for manufacturing the electrode for a fuel cell comprises a step of spray-coating an active metal solution on a first layer containing a carbon-based material to form a second layer containing an active metal.
Absstract of: 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.
Nº publicación: WO2026141060A1 02/07/2026
Applicant:
TEIJIN LTD [JP]
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Absstract of: 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.
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