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388
results.
Updated on
14/09/2026 [06:49:00]
Results 225 to 250 of 388
Absstract of: JP2026141702A
0001 【課題】冷却水によって燃料電池スタックの熱を回収するときに熱回収効率を低下させにくい燃料電池システムを提供する。 【解決手段】燃料電池システム１ａは、燃料電池スタック１０と、燃料処理器２０と、改質水タンク３１と、冷却水タンク３２とを備えている。燃料電池スタック１０は、水素と酸素とを反応させて発電する。改質水タンク３１及び冷却水タンク３２は、１つの容器３０の内部に形成されている。容器３０は断熱構造３５を有する。断熱構造３５は、改質水タンク３１と冷却水タンク３２とを仕切っている。 【選択図】図１
Absstract of: CN122696723A
本发明公开了一种氧化铈基电解质、单电池及其制备方法。首先，在T1下煅烧阳极支撑体；煅烧后将其置于硝酸钆和硝酸铈的水溶液中，在阳极功能层表面直接生长氧化铈基电解质，然后在T2温度下煅烧处理，T2＜T1。将其再次置于水溶液中进行二次生长，最后在电解质表面制备阴极，并在T3下进行共烧结，T3＜T2，获得致密的氧化铈基电解质及固体氧化物单电池。该方法制备的电解质薄膜没有发生随阳极支撑体的宏观收缩过程，避免了多层薄膜共烧结带来的电池不平整等问题，同时减少了高温烧结步骤。
Absstract of: US20260257989A1
0000 Hexasubstituted 3 radialene compounds are described herein. In some embodiments, the hexasubstituted 3 radialene compounds exhibit desirable water solubility and reversible redox activity in aqueous solutions, thereby facilitating employment of such compounds in aqueous redox flow batteries.
Absstract of: WO2026181761A1
A diaphragm for use in a battery cell of a redox flow battery system, comprising a sheet-shaped base material and a coating layer disposed on at least one of a first surface and a second surface of the base material. The base material contains a fluorine-containing polymer that exhibits cation permeability. The coating layer contains a nitrogen-containing polymer that does not contain fluorine. The coating layer contains a diffusion layer in which the fluorine-containing polymer and the nitrogen-containing polymer are intermixed. The diffusion layer has a thickness of at least 10 nm.
Absstract of: US20260260872A1
0000 A positive electrode active material which can improve cycle characteristics of a secondary battery is provided. Two kinds of regions are provided in a superficial portion of a positive electrode active material such as lithium cobaltate which has a layered rock-salt crystal structure. The inner region is a non-stoichiometric compound containing a transition metal such as titanium, and the outer region is a compound of representative elements such as magnesium oxide. The two kinds of regions each have a rock-salt crystal structure. The inner layered rock-salt crystal structure and the two kinds of regions in the superficial portion are topotaxy; thus, a change of the crystal structure of the positive electrode active material generated by charging and discharging can be effectively suppressed. In addition, since the outer coating layer in contact with an electrolyte solution is the compound of representative elements which is chemically stable, the secondary battery having excellent cycle characteristics can be obtained.
Absstract of: US20260260905A1
0000 The present invention is directed to methods of making a nanofiber-nanoparticle network to be used as electrodes of fuel cells. The method comprises electrospinning a polymer-containing material on a substrate to form nanofibers and electrospraying a catalyst-containing material on the nanofibers on the same substrate. The nanofiber-nanoparticle network made by the methods is suitable for use as electrodes in fuel cells.
Absstract of: US20260260917A1
A control device includes an idle stop determination unit that determines a transition from a normal operation in which a fuel cell generates electric power to an idle stop operation in which electric power generation of the fuel cell is temporarily stopped and determines a return from the idle stop operation to the normal operation, and a return processing unit that when the idle stop determination unit determines the return to the normal operation, causes a fuel gas supply device to start supplying a fuel gas to the fuel cell and causes an oxygen-containing gas supply device to supply an oxygen-containing gas.
Absstract of: US20260258524A1
A method of recycling a waste ionomer membrane comprising platinum, palladium and/or ruthenium disposed within an interior region of the waste ionomer membrane, the method comprising: (a) treating the waste ionomer membrane with a solution comprising an acid and an oxidant, wherein platinum, palladium and/or ruthenium is leached from the interior region of the waste ionomer membrane into the solution; and (b) separating the solution comprising leached platinum, palladium and/or ruthenium from the waste ionomer membrane which remains in solid form during the leaching process.
Absstract of: WO2026180505A1
The invention proposes a method for operating a fuel cell system (1), in which at least one fuel cell (2) is supplied via an anode gas supply line (3) with an anode gas which is stored in at least one compressed gas container (4) under high pressure, wherein the pressure in the anode gas supply line (3) is set by means of a pressure regulator (5). According to the invention, the following steps are carried out in order to determine the state of ageing of the pressure regulator (5): a) provoking a pressure drop in the anode gas supply line (3) by abruptly increasing the anode gas mass flow in the anode gas supply line (3) such that the pressure in the anode gas supply line (3) drops from an initial pressure (p1) to a defined, lowered pressure (p2), b) restoring the initial pressure (p1) by means of the pressure regulator (5) and determining the time (t) that the pressure regulator (5) requires for restoring the initial pressure (p1), and c) comparing the determined time (t) with at least one reference value (t') which is characteristic of a specific state of ageing of the pressure regulator (5). The invention also relates to a control device which is suitable for carrying out the method according to the invention or individual steps of the method.
Absstract of: WO2026180503A1
The invention relates to a method for operating a fuel cell system in a vehicle (A), wherein during operation operating data are read out as raw data at a decentralised computing point (B) and are deposited at a temporary storage location. According to the invention, an encoder (1) and a decoder (2) are used onboard the vehicle for data processing and an identical decoder (2) is operated at the decentralised computing point (B), the following steps being carried out partly sequentially, partly in parallel: - generating compressed data onboard the vehicle by compressing the raw data by means of the encoder (1), - transmitting the compressed data to the decentralised computing point (B), - reconstructing the raw data onboard the vehicle from the compressed data by means of the decoder (2), - detecting compression errors on the basis of reconstruction errors, and - if a compression error is detected: reading out the raw data from a temporary storage location and depositing the raw data at a designated long-term storage location. The invention also relates to a control device.
Absstract of: WO2025049517A1
A fluid transfer element is provided that may be used as a humidifier in a fuel cell application to transfer moisture from wet discharge air to incoming dry air from ambient. The element comprises an arrangement of hollow membrane tubes, also referred to as hollow membrane fibers, which have a passageway through the tubes and a separate passageway around the tubes through interstices between adjacent exteriors of tubes. The arrangement of the hollow membrane tubes comprises tubes having different flow cross-section areas arranged to provide different flow restriction properties, which can be provide by larger diameter tubes and smaller diameter tubes. The tubes may be arranged to reduce pressure drop and induce wet gas air flow into smaller interstices along the wet air flow path.
Absstract of: US20260260912A1
A fuel cell system to be mounted on a vehicle includes: a fuel cell having a cathode gas supply port through which cathode gas is introduced and a cathode gas discharge port through which the used cathode gas is discharged; a first pipe made of metal and communicating with the cathode gas supply port or the cathode gas discharge port; and a second pipe made of resin and communicating with the cathode gas supply port or the cathode gas discharge port via the first pipe, the second pipe having a bent portion disposed farther from the fuel cell than the first pipe.
Absstract of: WO2025036702A1
The present invention relates to a method (100) for checking a tank system (200) comprising a plurality of high-pressure tanks (201, 203) as well as to a tank system (200).
Absstract of: US20260260913A1
A method for starting a fuel cell system (1), wherein the fuel cell system (1) comprises a fuel cell stack (101), an air line (10), an exhaust line (12), and a fuel line (20) having a recirculation circuit (50), wherein, prior to starting, a first valve (61) in the air line (10) and a second valve (62) in the exhaust line (12) are closed. The method comprises the steps of: a. starting an air compressor (11) in the air line (10);b. opening a recirculation valve (65) in an exhaust recirculation line (66);c. opening the first valve (61) and the second valve (62).
Absstract of: US20260260910A1
The disclosure relates to a fuel cell system consisting of at least a fuel cell, a coolant circuit having a coolant pump and a heat exchanger, a water separator, and a fan, which generates a gaseous medium flow, in particular an air flow, in the direction of the heat exchanger, wherein by means of a cooling device, which has a conveying device, the water separated in the water separator reaches a discharge device which, by means of spray nozzles, sprays the water into the environment, wherein by means of the spray nozzles, the discharge device sprays the water in a direction opposite of the direction of the medium flow generated by the fan.
Absstract of: US20260258290A1
A sheet contains swelling clay and non-swelling clay and exhibits excellent water resistance in high-temperature environment. The swelling clay contains a first component and a second component with different structures. The non-swelling clay is clay in which ions of the first component and the second component are exchanged in a dispersion medium, and is clay that exhibits a non-swelling property by heating. The sheet includes the first component (Li-substituted swelling clay), the second component (Na-type montmorillonite or K-type montmorillonite), and optionally a third component (filler), that is optionally contained. When a total weight of all components is set to 100 wt %, a content of the first component is 25 wt % or more and 80 wt % or less, a content of the second component is 10 wt % or more and 50 wt % or less, and a content of the third component is 0 wt % or more and 80 wt % or less.
Absstract of: US20260257569A1
0000 The invention relates to devices utilizing a hydrogen fuel element for the accumulation of electricity in order to provide vehicle movement, or to function as an independent source of energy. The technical result achieved in the implementation of this invention is to increase the reliability of using hydrogen fuel cells within the vehicle's power supply system. The specified technical result is achieved due to a vehicle power supply system containing a housing, which, in turn, contains a voltage converter and a hydrogen supply module connected by nylon tubes with, at least, two fuel cells, characterized in that the housing of each fuel cell has a fan, an air filter and a fuel cell control board connected to a buffer battery via a solid-state relay; and the hydrogen supply module has an input for connecting a hydrogen storage and supply system and a low pressure reducer, the output of which is connected via a solenoid valve to nylon tubes, which, in turn, are connected to fuel cells, while the outputs of each fuel cell control board are connected to a voltage converter via the main control board, and the voltage converter is electrically connected to a traction battery and a traction electric motor of a vehicle.
Absstract of: US20260257990A1
An amidinium-functionalized compound, characterized in that the compound has a structure according to General Formula I or General Formula II wherein ⋅R5 and R9 are any substituent different from hydrogen; ⋅R1 to R4 are independently selected from the group consisting of an alkyl group, an alkenyl group, an alkynyl group, an aralkyl group, an alkaryl group, an aryl group and a heteroaryl group, or any of R1 and R3, R1 and R4, R1 and R2, R3 and R4, R2 and R3, or R2 and R4 represent the necessary atoms to form a five- to eight-membered non-aromatic ring; ⋅R6 to R8 are independently selected from the group consisting of hydrogen, an alkyl group, an alkenyl group, an alkynyl group, an aralkyl group, an alkaryl group, an aryl or heteroaryl group, a halogen group, an ether group, a nitro group, an amine group, or any of R5 and R6, R6 and R7, R7 and R8, or R8 and R9 represent the necessary atoms to form a five- to eight-membered ring; X— is an anion; and wherein ⋅at least one of R1 to R9 comprises a polymerizable group or comprises the necessary atoms to link the amidinium group to a polymer.
Absstract of: US20260258905A1
0000 The invention relates to systems for storing and supplying fuel to fuel cells as part of electrochemical generators designed to produce electricity, and power traction batteries and traction electric motors of electric vehicles and other highly automated vehicles. The technical result achieved by the proposed invention is to increase the safety of using high-pressure fuel storage and supply systems as part of mobile elements of vehicles. The specified technical result is achieved by the storage and fuel supply system for fuel cells, containing at least two composite hydrogen tanks interconnected by stainless steel tubes, which in turn are connected via an adapter to a high-pressure reducer and a fueling unit with a filling coupler and a pressure gauge; the high-pressure reducer is connected to a low-pressure reducer via a nylon tube, while the stainless-steel tube in the section between the adapter and the filling coupler has a U-shaped compensation bend, and in the section between the compensation bend and the adapter, the tube contains clips for attachment to the vehicle frame, and the low-pressure reducer has an outlet for connection with the input of the fuel cells of an electrochemical generator.
Absstract of: US20260260914A1
A gas-liquid separator includes: a housing; a gas-liquid separation portion in an upper part of the housing and configured to separate water from a water-containing gas; a water storage portion in a lower part of the housing and configured to store the water separated from the water-containing gas; a discharge hole passage configured to discharge water in the water storage portion to outside the housing; and a heating member that protrudes into the water storage portion, that is disposed in a region where the water flows into the discharge hole passage, and whose temperature increases by heat transferred from a heat-generating element configured to generate the heat when energized. The heating member includes: a body protruding toward the discharge hole passage at a bottom of the water storage portion with the heat-generating element F disposed outside the water storage portion; and an upper wall protruding upward from the body.
Absstract of: US20260260908A1
A bipolar plate assembly includes a bipolar sheet including channels formed on a surface of the sheet, each channel including a distribution region and an active region fluidically connected to the distribution region. The active region where fluid flowing through the channel is operable to electrochemically react with a gas diffusion layer of a fuel cell. Each channel is defined as a groove formed between a first land and a second land, the groove having a groove width defined from the first land to the second land, the first land defining a first top land surface having a first top land surface width. The quotient of dividing the first top land surface width by the sum of the first top land surface width and the groove width defines a land fraction. The land fraction in the entirety of the distribution region of each channel is equal to or below 0.3.
Absstract of: US20260257217A1
0000 Ion exchange membranes and materials including silica-based ceramics with ion exchange functional groups and hydrophobic groups, and associated methods, are provided. In some aspects, ion exchange membranes that include a silica-based ceramic that forms a coating on and/or within a porous support membrane are described. The ion exchange membranes and materials may have certain structural or chemical attributes (e.g., pore size/distribution, chemical functionalization) that, alone or in combination, can result in advantageous performance characteristics in any of a variety of applications for which selective transport of charged ions through membranes/materials is desired. In some embodiments, the silica-based ceramic contains relatively small pores (e.g., substantially spherical nanopores) that may contribute to some such advantageous properties. In some embodiments, the ion exchange membrane or material has relatively high stability even at elevated temperatures.
Absstract of: US20260260921A1
0000 Provided is a method for manufacturing a polymer electrolyte membrane, the method comprising: applying a solvent to a polymer electrolyte membrane having defects on the surface thereof to swell the polymer electrolyte membrane; and applying heat and pressure to the swollen polymer electrolyte membrane
Absstract of: US20260260911A1
The present invention relates to a packing unit for a fuel cell humidifier, and a fuel cell humidifier, the packing unit comprising: a first packing body airtightly coupled to one end of a mid-case through mechanical assembly so that a first cap fluidically communicates only with hollow fiber membranes; and a condensate water discharge portion formed in the first packing body, wherein the condensate water discharge portion has one end fluidically communicating with the inside of the first cap and has the other end fluidically communicating with the inside of the mid-case so that condensate water located inside the first cap is discharged to the inside of the mid-case.
Nº publicación: US20260260907A1 03/09/2026
Applicant:
STUDIENGESELLSCHAFT KOHLE GGMBH [DE]
Studiengesellschaft Kohle gGmbH
Absstract of: US20260260907A1
The present invention refers to a process for preparing a supported metallic, in particular a bimetallic, catalyst and the so-obtained catalyst combining high stability with unique electronic and structural properties.
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