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498
results.
Updated on
24/01/2026 [06:48:00]
Absstract of: DE102024120526A1
Die Erfindung betrifft einen Wärmeübertrager (1) mit einem ersten Strömungskanal (2) für die Durchströmung eines ersten Fluids (3) und mit einem zweiten Strömungskanal (4) für die Durchströmung eines zweiten Fluids (5), wobei der erste Strömungskanal (2) und der zweite Strömungskanal (4) wärmeübertragend in Kontakt stehen, derart, dass eine Wärmeübertragung zwischen dem ersten Fluid (3) und dem zweiten Fluid (5) durchführbar ist, wobei in dem ersten Kanal eine Eindüseinrichtung (6) vorgesehen ist zur Eindüsung eines Mediums (7), insbesondere eines flüssigen Mediums, eines Aerosols etc., zur Reinigung des ersten Fluids (3), wobei der erste Strömungskanal (2) zumindest teilweise oder vollständig mit einer ionischen Flüssigkeit (8) beschichtet ist, so dass das erste Fluid (3) und das Medium (7) bei der Durchströmung des ersten Strömungskanals (2) mit der ionischen Flüssigkeit (8) in Kontakt treten. Auch betrifft die Erfindung ein Verfahren zur Herstellung eines Wärmeübertragers (1).
Absstract of: WO2026018432A1
The present invention provides: a separator which is capable of suppressing stagnation of liquid water under a partition wall (rib) that defines flow paths through which a reaction gas or a refrigerant flows; and a fuel cell. A separator of a fuel cell according to one embodiment of the present disclosure comprises at least three flow paths that are arranged in a transverse direction that is perpendicular to a flow path direction in which a cathode gas of the fuel cell flows, wherein: (i) the three flow paths each have, in the flow path direction, a medium path part in which the cross-sectional area of the flow path is of medium size, a narrow path part which has a smaller cross-sectional area than the medium path part, and a wide path part which has a larger cross-sectional area than the medium path part; and (ii) in at least a part of the flow paths, the medium path part is sandwiched between the wide path parts adjacent to the medium path part, or the medium path part is sandwiched between the narrow path parts adjacent to the medium path part in the flow path direction.
Absstract of: WO2026018891A1
Provided is an ejector having an urging member configured to urge an outside nozzle and an inside nozzle in toward the front end thereof. When the pressure of a first working fluid is larger than the maximum value of a use range, the outside nozzle moves in the rear end direction opposite the urging force of the urging member, and the outside nozzle closes the first working fluid supply port, or the inside nozzle moves in the rear end direction opposite the urging force of the urging member thus closing the inflow port of the inside nozzle.
Absstract of: WO2026018535A1
This water electrolysis system comprises: one or more water electrolysis stacks; a water line for supplying water to each water electrolysis stack; an oxygen line for discharging an oxygen gas that is generated in each water electrolysis stack and surplus water; a hydrogen line for discharging a hydrogen gas that is generated in each water electrolysis stack and surplus water; an insulation pipe for electrically insulating the water electrolysis stacks from the pipes of the water line, the oxygen line, and the hydrogen line; and a DC power supply for supplying DC power so as to drive the water electrolysis stacks. During the operation of this water electrolysis system, water is supplied to a part in which the hydrogen gas and surplus water are mixed in the water electrolysis stacks or the hydrogen line on the upstream side of the insulation pipe of the hydrogen line.
Absstract of: WO2026018545A1
Provided is an ejector having: an urging member configured to urge an inner nozzle toward the front end thereof, and an outer nozzle comprising an inflow port configured to cause a first working fluid to flow inside the outer nozzle. The inner nozzle comprises a pressure receiving part disposed further on the rear end side compared to the inflow port and configured to receive the pressure of the first working fluid in the rear end direction opposing the urging force of the urging member. The urging load of the urging member is larger than the load received by the pressure receiving part in a pressure normal state in which the pressure of the first working fluid is in a use range, and is smaller than the load received by the pressure receiving part in a pressure abnormal state in which the pressure of the first working fluid is larger than a maximum value of the use range.
Absstract of: WO2026018546A1
This fuel cell system includes: a first pressure sensor for measuring the upstream pressure of an ejector; a second pressure sensor for measuring the downstream pressure of the ejector; and a control unit for controlling a fuel supply device. The control unit performs a first control for controlling the fuel supply device so that the measured value of the second pressure sensor becomes a first target pressure value calculated by multiplying the measured value of the first pressure sensor by a value of a critical pressure ratio or less.
Absstract of: WO2026018465A1
The purpose of the present disclosure is to provide an operation planning device, an operation planning method, and an operation planning system with which it is possible to formulate an efficient operation plan. An operation planning device according to the present disclosure comprises: a short-period adjustable quantity calculation unit that calculates a power storage adjustable quantity and a power generation adjustable quantity; a long-period plan formulation unit that formulates a long-period plan on the basis of the power storage adjustable quantity and the power generation adjustable quantity that were calculated by the short-period adjustable quantity calculation unit, said long-period plan being an operation plan that includes power storage and power generation of a longer period than the unit of calculation of the short-period adjustable quantity calculation unit; and a short-period plan formulation unit that formulates a short-period plan on the basis of the long-period plan formulated by the long-period plan formulation unit, said short-period plan being an operation plan that includes power storage and power generation of a shorter period than the period of the long-period plan formulated by the long-period plan formulation unit.
Absstract of: WO2026016962A1
Disclosed is an activation method for a proton exchange membrane fuel cell, relating to the technical field of fuel cells. The method comprises the following steps: (1) introducing nitrogen to perform purging; (2) performing heating, introducing hydrogen into a hydrogen chamber of a proton exchange membrane fuel cell stack, introducing air into an air chamber, and maintaining an open circuit state; (3) performing constant current discharge: applying a constant current to the proton exchange membrane fuel cell stack, introducing hydrogen into the hydrogen chamber of the proton exchange membrane fuel cell stack, introducing nitrogen into the air chamber, and maintaining same for 1-15 min, and then switching the nitrogen to air and maintaining same for 1-5 min; (4) repeating the operation of step (3) 1-5 times; and (5) performing constant current discharge again. The activation method of the present invention is simple, efficient, time-saving, and can effectively improve discharge performance.
Absstract of: WO2026016304A1
A bimetal active site doped carbon-based catalyst, which is particularly a ZnMn-N-C catalyst. The ZnMn-N-C catalyst is prepared by using 1H-1,2,3-triazole, manganous nitrate and zinc chloride as reaction raw materials, subjecting same to a solvothermal reaction and then to drying to obtain a Mn-MET-ZnCl2 powder, and then sequentially subjecting the powder to primary pyrolysis, a sulfuric acid treatment and secondary pyrolysis. By respectively using 1H-1,2,3-triazole and zinc chloride as a mesopore forming agent and a micropore forming agent, and adjusting the pore-forming sequence and controlling the pore-forming process by means of pyrolysis, a large number of mesopores are preferentially formed, and then a large number of micropores are uniformly distributed in the mesopores, thereby forming a hierarchical pore channel structure and overcoming the problem of the collapse of the pore channel structure during the formation of the structure; and the obtained bimetal site doped carbon-based catalyst ZnMn-N-C has a high specific surface area of 1837.9 m2/g and exhibits a good ORR activity (E1/2=0.867 V vs. RHE), and a primary zinc-air battery assembled by using the catalyst ZnMn-N-C as a positive oxygen reduction catalyst has a high energy density of 889 Wh/kg-1 Zn.
Absstract of: US20260022800A1
A hydrogen supply system includes a detachable hydrogen tank, a hydrogen consumption apparatus that consumes hydrogen in the hydrogen tank, and a control device. The hydrogen consumption apparatus includes a detachment and attachment mechanism that detaches the hydrogen tank from the hydrogen consumption apparatus and attaches the hydrogen tank to the hydrogen consumption apparatus. The detachment and attachment mechanism includes a motor that controls detachment and attachment of the hydrogen tank from and to the hydrogen consumption apparatus. When a torque value of the motor exceeds a threshold during the control of the detachment and attachment of the hydrogen tank from and to the hydrogen consumption apparatus, the control device returns the hydrogen tank to a position where a moving process in which the threshold being exceeded is detected is started.
Absstract of: US20260022802A1
A hydrogen supply system including: a plurality of hydrogen tanks that is attachable and detachable; a hydrogen consumption device that consumes hydrogen of the hydrogen tanks; and a control device is provided. The hydrogen consumption device includes an attaching-detaching mechanism including a plurality of motors that controls attaching and detaching of the hydrogen tanks with respect to the hydrogen consumption device, the motors corresponding to the attaching and detaching of the respective hydrogen tanks. The control device disposes, based on a temperature of each of the motors, a hydrogen tank of the hydrogen tanks to a hydrogen supply start position at which the hydrogen tank and the hydrogen consumption device are connected in a state in which the hydrogen tank is allowed to supply hydrogen to the hydrogen consumption device, or disposes the hydrogen tank to a hydrogen supply standby position.
Absstract of: US20260022481A1
Composite anion exchange membranes are described. The composite anion exchange membranes comprise an anion exchange polymer containing a hydrogen recombination catalyst dispersed in the anion exchange polymer. The anion exchange membrane may also include a radical scavenger. The anion exchange polymer comprises a plurality of repeating units of formula (I)Catalyst coated membranes and membrane electrode assemblies made using the composite anion exchange membranes are also described.
Absstract of: US20260022474A1
Hybrid electrocatalyst layers for use in an electrochemical cell and processes for making the same are described. The hybrid electrocatalyst layers include at least one ion-conducting layer and at least one nonionic conductive catalyst layer. The processes for making the hybrid electrocatalyst layers include a sintering step, which provides greater durability of the hybrid electrocatalyst layers.
Absstract of: US20260022470A1
A method for producing hydrogen by means of water electrolysis, in which a direct electrolysis current is fed to one or more electrolysis units at least in a first operating mode, wherein the direct electrolysis current is supplied from a mains current using a current conversion arrangement, wherein the mains current is an alternating current, wherein the current conversion arrangement, comprises one or more first synchronous electric machines which are operable as motors and one or more second synchronous electric machines which are operable as generators, wherein the one or more first synchronous electric machines is/are operated using the mains current, wherein the one or more second synchronous electric machines is/are driven using the one or more first synchronous electric machines, and wherein the direct electrolysis current is supplied using the one or more second synchronous electric machines. The present invention also relates to a corresponding plant.
Absstract of: US20260024789A1
An apparatus and a method are for determining air distribution performance of a fuel cell system. The apparatus includes: an air cut off valve connected to a downstream side of an air compressor and supplied with first air discharged from the air compressor; a first fuel cell stack connected to the air cut off valve through a first air path and supplied with second air through the first air path; a second fuel cell stack connected to the air cut off valve through a second air path and supplied with third air through the second air path; and a controller. The controller determines a ratio between a flow rate of the third air and a flow rate of the second air based on absolute humidity values of the first, second, and the third air, and determines air distribution performance between the second fuel cell stack and the first fuel cell stack based on the ratio.
Absstract of: US20260024794A1
The present invention relates to a solid oxide cell (SOC) stack made of single repeating units (SRU), each of which comprising: —a ceramic cell with a corrugated membrane and a sealing frame with gas distribution holes and channels, and—a flat metallic interconnect.
Absstract of: US20260024793A1
The present disclosure provides a membrane electrode assembly having excellent durability and performance. In the embodiment, the membrane electrode assembly includes metal ions selected from cerium ions and manganese ions, and a crown ether compound capable of forming an inclusion compound with the metal ions or a salt thereof. The cathode catalyst layer includes an electrode catalyst and an electrolyte. The electrode catalyst is a metal-supported carrier in which metal particles having catalytic activity are supported on a carrier having pores. An external-internal surface area ratio is 1.20 or less. An external-internal particle count ratio is 0.70 or less.
Absstract of: US20260024791A1
A computer system has processing circuitry configured to issue control information to a fuel cell system being fueled by hydrogen gas and air. The air is supplied to the fuel cell system at an air feeding pressure. The fuel cell system being adapted to be cooled by a cooling system accommodating a coolant.
Absstract of: US20260024779A1
A membrane electrode assembly includes a solid polymer electrolyte membrane, an anode catalyst layer disposed on a first surface of the solid polymer electrolyte membrane, and a cathode catalyst layer disposed on a second surface of the solid polymer electrolyte membrane, the membrane electrode assembly includes a metal ion selected from a cerium ion and a manganese ion; and a host compound capable of forming a clathrate compound together with the metal ion. The cathode catalyst layer contains an electrode catalyst, and an ionomer, the electrode catalyst is a metal supported catalyst containing a catalyst metal, and a support supporting the catalyst metal, and an ionomer coverage ratio of the catalyst metal in the cathode catalyst layer is 40% or less.
Absstract of: US20260024790A1
A fuel cell system and a method of controlling the same are disclosed. The fuel cell system includes a hydrogen pressure adjuster configured to adjust a hydrogen supply pressure of hydrogen supplied to a fuel cell stack, and a controller configured to determine whether or not a control mode for controlling the hydrogen supply pressure is required, based on a state of the fuel cell stack, and to control the hydrogen pressure adjuster to vary the hydrogen supply pressure in a predetermined pressure range based on a pressure increase rate or a pressure decrease rate, when the control mode is required.
Absstract of: US20260024792A1
A fuel cell system and a method of controlling the same are provided. The fuel cell system includes a second controller that transmits a total control command for satisfying a total required control amount of the plurality of modules to at least one control target controller among a plurality of identified first controllers based on an identification result of the plurality of identified first controllers. The at least one control target controller individually controls a corresponding fuel cell module in response to the total control command.
Absstract of: US20260024787A1
The fluid hydrogen carrier of this disclosure contains a hydrogen storage alloy and an alkaline electrolyte.
Absstract of: US20260024780A1
Provided is a membrane electrode assembly which is excellent in durability and performance. The membrane electrode assembly includes a metal ion selected from the group consisting of cerium ion and manganese ion, and a crown ether compound capable of forming an inclusion compound with the metal ion or a salt thereof. The cathode catalyst layer includes an electrode catalyst and an electrolyte. The electrode catalyst is a metal particle-supported carrier in which metal particles having catalytic activity are supported on a carrier having pores. The carrier has: a pore volume distribution having a peak pore diameter of 2.0 nm or more and 9.0 nm or less in pore diameter; a pore volume of mesopores of 2 nm to 30 nm as 7.5 cc/g or more; and a BET specific surface area of 330 m2/g or more.
Absstract of: US20260024781A1
In general, the present disclosure is directed to methods to produce stable oxygen electrodes for use in energy storage applications such as fuel cells. Aspects of the disclosure can provide improved stability, especially for oxygen electrodes including strontium, which can broaden applications and reduce costs to improve economic feasibility. Embodiments of the disclosure can include methods for producing oxygen electrodes, compositions of stabilizing coatings that can be applied to electrodes to yield a more stable oxygen electrode, and fuel cells incorporating oxygen electrodes produced according to the disclosure. In particular, the disclosure is directed to a finding that a conformal coating can be achieved by calcining a composition including a strontium salt, a cobalt salt, and a tantalum compound on a base electrode, the base electrode having an elemental composition including strontium.
Nº publicación: US20260024788A1 22/01/2026
Applicant:
BLACK & VEATCH HOLDING COMPANY [US]
Black & Veatch Holding Company
Absstract of: US20260024788A1
A waste reduction system that utilizes organic solids suspended in a waste stream to produce carboxylic acids, which can then be employed as an input to a microbial fuel cell or other biological processes to further enhance biogas production, is provided. The organic waste stream influent undergoes a multistage fermentation process in which fermentative microorganism metabolize the organic waste materials and produce one or more carboxylic acids, especially short chain fatty acids. The carboxylic acids serve as a food source for bacteria within an anode compartment of an MFC that generates useable electricity therefrom.
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