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621
results.
Updated on
24/04/2025 [06:49:00]
Results 600 to 621 of 621
Absstract of: AU2023314262A1
Rebalancing methods and systems for redox flow battery systems are described. A reductant is selectively introduced from a reductant container into one or more of a rebalancing tank, the negative electrolyte tank, or the positive electrolyte tank to reduce Fe
Absstract of: EP4535469A1
Provided is a fuel cell system that can reduce an amount of air supplied to a cell stack while maintaining a power generation performance of the cell stack.The fuel cell system causes a fuel cell to start electric power generation by supplying hydrogen to an anode electrode and air to a cathode electrode. In the fuel cell system, if a temperature of a heating medium is lower than a threshold (S43:NO) while the fuel cell generates electric power, the air at a first supply amount is supplied to the cathode electrode (S41). In the fuel cell system, if the temperature of the heating medium is greater than or equal to than a threshold (S43:YES) while the fuel cell generates electric power, the air supplied to the cathode electrode is gradually reduced to a second supply amount that is less than the first supply amount (S45). In the fuel cell system, in response to the air supply amount to the cathode electrode having reached the second supply amount, the air at the second supply amount is continuously supplied to the cathode electrode (S49).
Absstract of: EP4534329A1
A work vehicle includes: a fuel cell module including a fuel cell stack; at least one fuel tank to store fuel to be supplied to the fuel cell stack; a sensor that measures the remaining amount of fuel in the fuel tank; a motor connected to the fuel cell module; a power take-off shaft to be driven by the motor and to which an implement is connected; a display device; and a processing device to estimate, based on the measured remaining amount of fuel and a type of the implement connected to the power take-off shaft and/or a type of work performed by the implement, at least one of a travelable distance, a travelable area, or a travelable time with the work, and to display an estimation result on the display device.
Absstract of: WO2023233245A1
A catalytic composition in particle form for making a gas diffusion electrode for the oxygen reduction reaction (ORR) comprising at least iron (Fe) in at least two different degrees of oxidation, e.g., Fe and Fe2O3, and carbon (C). A gas diffusion electrode comprising the catalytic composition. A membrane-electrode assembly (MEA) comprising a gas diffusion electrode (GDE).
Absstract of: WO2023233244A1
A method of making a gas diffusion electrode(GDE) for oxygen reduction reaction, comprising the following operational steps: a) providing a catalytic composition in particle form comprising at least iron (Fe) in at least two different degrees of oxidation, e.g. Fe and Fe2O3, and carbon (C), said catalytic composition being obtained from the tribo-oxidation action caused by the friction of a brake pad against a brake disc; b) combining the catalytic composition obtained in step a) with a liquid phase to obtain a catalytic mixture (10); c) depositing the catalytic mixture (10) obtained in step b) on a backing sheet (11) and making the catalytic mixture (10) dry.
Absstract of: WO2023227901A1
Method and device for performing an electrochemical assays. A microfluidic device including anode and cathode electrodes capable of forming a Galvanic cell is described. In the presence of target analyte the Galvanic cell is completed and voltage or current can be measured and related to the amount of analyte present.
Absstract of: US2025087710A1
The invention relates to an arrangement, in particular an arrangement for a fuel cell device, of a plurality of flat components arranged on top of one another in an arrangement direction, wherein at least one flat component of the plurality of flat components has at least one adjustment mark, and the adjustment mark can also be detected by a detection means, in particular an optical detection means, even when at least one further flat component is arranged in the arrangement direction on top of the flat component marked with this adjustment mark.
Absstract of: WO2023232679A1
Disclosed are fibers comprising a composition comprising a fluorinated polymer comprising a plurality of ion exchange groups or a precursor thereof and an aromatic polyamide-imide polymer. The fibers are obtained by electrospinning or forcespinning a composition comprising a fluorinated polymer comprising a plurality of ion exchange groups or a precursor thereof and an aromatic polyamide-imide polymer. The fibers can be arranged into webs suitable for the preparation of composite membranes. In particular composite ion exchange membranes suitable for use in proton exchange fuel cells or filtration devices.
Absstract of: WO2023232523A1
The invention relates to, inter alia, a device (70) for evaluating the functionality of a filter device (22b) of a fuel cell system (22), having a sensor device (71) comprising at least one first sensor element (72) for measuring impurities, in particular gaseous impurities, exiting the filter device (22b) in an air flow (73). In order to provide inexpensive solutions that use structurally simple components which have a low susceptibility to malfunctioning and function in a simple manner in that as few parameters as possible must be taken into consideration when determining the adsorption state, the device (70) has the following components: an analysis device (74) for qualitatively analyzing the change in the measured impurities in the air flow (73), said analysis device being connected to the at least one first sensor element (72) via an interface (75) and having the following components: a detection device (76) which is designed to detect the impurities in the air flow (73) measured by the at least one first sensor element (72), in particular in a continuous manner, a comparator device (77) which is designed to compare the impurities in the air flow (73) detected by the detection device (76) with comparison values, and an output device (78) which is provided so as to be capable of outputting an output signal when the impurities in the air flow (73) detected by the detection device (77) reach a specified value.
Absstract of: WO2023232522A2
The invention relates to, inter alia, a drying device (50) for drying a gas flow (80), in particular for drying a hydrogen gas flow, comprising a gas guiding device (51) which has a gas guiding channel (53); a gas inlet (54) which is designed to introduce the gas flow (80) to be dried into the gas guiding device (51), in particular into the gas guiding channel (53); a gas outlet (55) which is designed to discharge the dried gas flow (82) out of the gas guiding device (51); a cooling device (56) for cooling the gas flow, in particular in an active manner, said cooling device being connected at least to a cooling section (58) of the gas guiding channel (53) so as to exchange heat, wherein the gas guiding channel (53) is guided along the cooling device (56) in said cooling section (58), and a condensate discharge (59) which is designed to discharge liquid (84) condensed out of the gas flow during the cooling process. In order to dry the gas flow as effectively as possible, in particular with as little required material as possible, an embodiment proposes that more than 50% of the length of the gas guiding channel (53) is guided along the cooling device (56) in the cooling section (58), and the gas guiding channel (53) has a device (60) in the cooling section (58) of the gas guiding channel for increasing the linear speed of the gas flow in comparison to the linear speed of the gas flow at the gas inlet (54).
Absstract of: AU2023274395A1
The invention relates to a power supply system comprising a modular combination of a hydrogen generation unit, a hydrogen usage unit, and a control or regulation unit for controlling or regulating the operation of the hydrogen generation unit and the hydrogen usage unit.
Absstract of: WO2023232552A1
The invention relates to an exhaust gas after-treatment device (10) for a fuel cell arrangement (50). The exhaust gas after-treatment device (10) comprises an inlet (20), which is fluidically connected to the fuel cell arrangement (50) for receiving an exhaust gas discharged from the fuel cell arrangement (50), in particular air enriched with water vapour and/or water, and an outlet (30) for discharging the exhaust gas after flowing through the exhaust gas after-treatment device (10). The exhaust gas after-treatment device (10) further comprises: an exhaust gas dehumidifier (12A) for extracting water and/or water vapour from the exhaust gas; an exhaust gas liquefier (14) for liquefying and/or for separating water from the exhaust gas, wherein the exhaust gas dehumidifier (12A) and the exhaust gas liquefier (14) are fluidically connected in series; and a fluidic switching means (32, 34, 36, 38, 40) for switching between at least two switching configurations of the exhaust gas dehumidifier (12A) and the exhaust gas liquefier (14). The switching configurations comprise a first switching configuration, in which the exhaust gas liquefier (14) is fluidically connected upstream of the exhaust gas dehumidifier (12A), and a second switching configuration, in which the exhaust gas liquefier (14) is fluidically connected downstream of the exhaust gas dehumidifier (12A). The invention further relates to a drive device comprising the exhaust gas after-treatment device and to a motor vehic
Absstract of: CN118973951A
The present invention relates to a catalytic system useful for hydrogenation and dehydrogenation of liquid organic hydrogen carrier (LOHC) compounds. The catalytic system is composed of a special type of catalyst, a special type of solvent and a LOHC compound. It can be used to store and release hydrogen as needed, such as in fuel cells for electric propulsion vehicles. Likewise, a device comprising the catalytic system according to the invention and the use thereof are envisaged.
Absstract of: EP4535518A1
Disclosed is a hybrid system in which a solid oxide electrolyzer cell (SOE), a solid oxide fuel cell (SOFC), and a carbon capture system (CCS) are coupled to each other, and more particularly to an SOE-SOFC-CCS hybrid system configured such that a solid oxide electrolyzer cell, a solid oxide fuel cell including a burner configured to burn off-gas, and a carbon capture system are systematically operated and such that by-products and waste heat generated as the result of operation thereof are recycled, whereby consumption of hydrogen and a fuel necessary for power production is minimized.
Absstract of: WO2023232688A1
The invention relates to a method for producing a defined state of an electrochemical system (14) which can be connected to an AC/DC converter (12) via a switch disconnector (TS) of a disconnecting device (20) in order to exchange electric power, wherein at least one DC connection (DC+, DC-) of the electrochemical system (14) is connected to the AC/DC converter via the disconnector switch (TS) of the disconnecting device (20). The method has the following step: in a first operating state in which the at least one DC connection (DC+, DC-) is electrically disconnected from the AC/DC converter (12): a) a first switch (S1) of the disconnecting device (20) is closed in order to produce an electric connection between the DC connections (DC+, DC-) of the electrochemical system. The invention additionally relates to a disconnecting device, to a power converter comprising such a disconnecting device, and to an assembly comprising an electrochemical system (14) and such a power cconverter.
Absstract of: CN119318039A
The invention relates to a method for preparing a supported metal catalyst, in particular a bimetallic catalyst, and the obtained catalyst, which have high stability and unique electronic and structural properties.
Absstract of: GB2634450A
The present invention relates to an electronic apparatus, comprising a fuel cell, a first switch, a rechargeable battery, a second switch and a relay. The fuel cell provides a fuel voltage; the first switch supplies the fuel voltage to a first node according to a first control signal; the rechargeable battery provides a battery voltage; the second switch is coupled to the first node, and, according to the second control signal, charges the rechargeable battery by using the fuel voltage; and the relay supplies a voltage of the first node to a load according to the third control signal.
Absstract of: WO2023227423A2
To reduce local temperature rise in an edge web region of an electrochemical device comprising: a stack of multiple electrochemical units in succession along a stack direction, said units each comprising an electrochemically active membrane-electrode assembly; a bipolar plate and a sealing arrangement; at least one medium channel; at least one flow field through which a medium can flow from the medium channel to a different medium channel; and at least one communication channel through which the flow field and the medium channel are in fluid communication with one another, the communication channel comprising an edge web through which a flow of medium from the medium channel passes, where a coolant flows through a coolant channel separated from the interior of the edge web by a joining line, the flow field comprising an edge channel which is disposed between the edge web and the coolant channel and through which a flow of the medium from the medium channel passes, and where the sealing arrangement extends around the flow field and includes an inner edge which forms an edge of a cathode-side electrochemically active face or an anode-side electrochemically active face of the membrane-electrode assembly, the proposal is made for the inner edge of the sealing arrangement to lie on the side of the edge web that faces away from the medium channel.
Absstract of: WO2023227494A1
The invention relates to a thermal regulation system (100), comprising: - an electrochemical device (1) comprising two electrodes (3, 4) and a solid or polymer electrolyte (2), - a heating element (5) configured to heat the electrolyte (2), - a control device (6) configured to control the heating power (P) of the heating element (5), and - a measurement device (7) configured to apply, between the electrodes (3, 4), a sinusoidal voltage signal (U(F)) having a predetermined reference frequency (F) and to measure, in response, a sinusoidal intensity signal (1(F)), the control device (6) being configured to determine a measure of resistance (R(F)) of the electrolyte (2), and, if the measure of resistance (R(F)) is below a predetermined minimum threshold (Smin(F)) corresponding to a maximum acceptable temperature of the electrolyte (2), decrease the value of the heating power (P) of the heating element (5).
Absstract of: CN119301782A
The invention relates to a battery cell comprising a support plate (12), an interconnection plate and at least one gasket (18). Wherein a through-hole (34) is provided in the battery cell, the through-hole extending through the support plate and the interconnection plate to form a fluid port (36), the through-hole being provided with a gasket on a side of the support plate facing away from the interconnection plate; the pad comprises an opening (40) delimited by an inner surface (42) of the pad and aligned with the through hole, and wherein the battery cell (10) further comprises a positioning fixture (46) constructed and arranged to contact the pad on the inner surface of the pad, and keeping the liner aligned with the through hole in a form-fitting manner in a plane perpendicular to the stacking direction. The invention also relates to a cell stack and to a method for producing a cell stack.
Nº publicación: JP2025057960A 09/04/2025
Applicant:
本田技研工業株式会社
Absstract of: JP2025057960A
【課題】良好な制御装置、燃料電池システム、燃料電池システムの制御方法、およびプログラムを提供する。【解決手段】制御装置１０は、燃料ガスを燃料電池に供給するとともに弁５２を制御して第１流量Ｑ１の酸化剤ガスを燃料電池に供給することにより、燃料電池を起動させる起動ステップと、起動ステップの後、弁を制御して酸化剤ガス流量を第１流量Ｑ１よりも小さい第２流量Ｑ２に設定することにより、燃料電池の暖機の準備を行う暖機準備ステップと、暖機準備ステップの後で、第２流量よりも大きい第３流量Ｑ３の酸化剤ガスを燃料電池に供給した状態で燃料電池の暖機を行う暖機ステップと、を行うことが可能である。【選択図】図１
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