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601
results.
Updated on
25/04/2025 [06:49:00]
Results 550 to 575 of 601
Absstract of: US2025114780A1
According to the invention there is a method of applying a catalyst layer to a surface, the method comprising the steps of: providing a donor substrate having opposing first and second surfaces and providing a catalyst ink disposed as a layer on the second surface, wherein the catalyst ink comprises a catalyst and a solvent; providing an acceptor substrate, wherein the second surface of the donor substrate faces towards the acceptor substrate; and irradiating the catalyst ink with laser radiation at a wavelength which is absorbed by the catalyst ink so as to transfer the catalyst ink from the donor substrate to the acceptor substrate.
Absstract of: US2025114734A1
An air filter system has an elongated filter housing, a tube shaped air filter element, and a lid connectable to a second axial housing end of the filter housing upon removal of the air filter element from the filter housing.
Absstract of: US2025116007A1
An ammonia generation system includes an electrochemical cell including a cathode configured to receive a cathode inlet stream comprising nitrogen gas, an anode configured to receive an anode inlet stream and form hydrogen ions, and an electrolyte configured to transport the hydrogen ions from the anode to the cathode. The cathode is configured to reduce the hydrogen ions to hydrogen gas, mix the hydrogen gas and the cathode inlet stream, and output a cathode outlet stream comprising a mixture of the hydrogen gas and the nitrogen gas. The ammonia generation system further includes an ammonia synthesis reactor configured to receive a reactor inlet stream comprising at least a first portion of the cathode outlet stream.
Absstract of: WO2025073422A1
The present invention relates to an insulating plate (100) for a fuel cell stack (200) of a fuel cell system, the insulating plate (100) comprising: - a main body (101), - a flat seal (103), wherein a groove (105) is formed in the main body (101), wherein the flat seal (103) extends in a first region (107) and in a second region (111) in the groove (105), wherein the flat seal (103) projects with respect to the main body (101) less in the first region (107) than in the second region (111).
Absstract of: US2025116714A1
Disclosed is an electric cell stack comprising a plurality of electric plates sandwiching insulation layers, wherein at least one of the plurality of electric plates a voltage monitoring element for monitoring a voltage of said electric plate is arranged, wherein said at least one electric plate at which the electric voltage monitoring element is arranged has at least one through hole, wherein at and/or in the through hole the voltage monitoring element is arranged.
Absstract of: US2025120042A1
A processing unit includes a first die and a second die with a microfluidic volume between the first die and the second die. At least one heat transfer structure couples the first die to the second die and is located in the microfluid volume. An electrochemical fluid is positioned in the microfluidic volume to provide electrochemical energy to at least one of the first die and the second die and receive heat from the first die and the second die.
Absstract of: US2025118768A1
The present invention pertains to a method for preparing ultra-thin RhCu nanostructures modified with M-TPP and applications thereof. By adjusting the feeding ratio of raw materials, the morphology, composition, purity, and size of RhCu M-tpp can be customized. The simplicity of operation and the robustness of reaction parameters contribute to high reproducibility of the target products. Furthermore, large-scale production is achievable by proportionally increasing the concentrations of metal ion precursors, reducing agents, and surfactants, demonstrating significant potential for industrial-scale production of molecule-modified ultra-thin RhCu nanostructures.
Absstract of: US2025118784A1
A membrane electrode assembly is provided for mitigating the detrimental effect of water or steam on HTPEM membranes. The membrane electrode assembly includes an ion conductive electrolyte membrane, an ion conductive interface layer, a cathode electrode and an anode electrode. The electrolyte membrane is laminated with the ion conductive interface layer on both the cathode side and the anode side or on only one side. The ion conductive interface layer includes a material having sufficiently high ion conductivity and a chemically stable structure to withstand the effect of the elevated temperatures and water. These ion conductive interface layers act as an effective barrier to electrolyte on the membrane side and to the water on the electrode side, while only marginally effecting the overall ion of the electrode conductivity because of the thinness of the layer.
Absstract of: US2025118781A1
Provided herein generally are methods of accounting for hydrogen (H2) in a natural gas (NG) stream, i.e., a NG/H2 blend, from a public NG utility to residential and/or business facility fuel cell (FC) systems, where the NG/H2 blend powers the FC systems and the volume of NG/H2 blend supplied to each FC systems is measured. Such measurements along with other data of the operation of the FC system, such as the volume of NG/H2 blend or an increased volume of NG, can be reported or transmitted to the public NG utility for each residential and/or business facility FC system supplied with the NG/H2 blend, where a reduced carbon footprint can be determined for the use of the NG/H2 blend by the FC system(s).
Absstract of: US2025118783A1
A reversible high temperature proton exchange membrane (HTPEM) fuel cell energy production and storage system includes an electrolysis mode and a fuel cell mode. The system operates at elevated temperatures (e.g., 130° C. to 270° C.) and, in an electrolysis mode, converts water vapor to hydrogen. The electrolysis occurs more energy efficiently at higher temperatures as reaction potentials decline and ionic conductivity increases. In addition, when water is in a gaseous state, oxygen removal from the anode is facilitated which improves the reaction kinetics. Coolant is circulated between the stack and a heat exchanger to use excess heat from the stack generated in electrolysis mode to heat water for further electrolysis. Components and subsystems may be powered by electricity generated during fuel cell mode. A series of heat exchangers, pumps, storage tanks, and compressors allow the system to capture efficiencies in both modes of operation.
Absstract of: US2025118775A1
An embodiment unit cell of a fuel cell stack includes an EGA in which a MEA and a GDL are bonded, a sheet including an insertion groove and a through hole for flowing a gas therethrough, wherein the EGA is insertable into the insertion groove, a first separator coupled to the sheet and including a first reaction flow field through which a first gas flows on a first side of the first separator, and a second separator coupled to the sheet and including a second reaction flow field through which a second gas flows on a first side of the second separator, a second gas flow field connected to a first or second end of the second reaction flow field, and a first gas flow field connected to the first reaction flow field through the through hole disposed at a point spaced apart from the second gas flow field.
Absstract of: US2025118773A1
An interconnect for an electrochemical stack includes at least one of alternating air channel ribs of different length, seal gutters recessed relative to a perimeter seal surface on a fuel side of the interconnect, or fuel inlet and outlet plenums which extend perpendicular to fuel channels.
Absstract of: US2025118774A1
A cylindrical reactor for a flow battery includes a solid anode body with through-holes through which hollow membrane tubes extend. The hollow membrane tubes surround cathodic wires. A first electrolyte is pumped in from a first electrolyte tank between the cathodic wires and the hollow membrane tubes, while a second electrolyte is pumped in from a second electrolyte tank between the hollow membrane tubes and the surrounding portion of the solid anode body. Redox half reactions between the first electrolyte and the second electrolyte are thereby able to happen across the hollow membrane tubes.
Absstract of: US2025118780A1
A fluid container includes a first metallic member, a second metallic member, an adherence part, a first interface, and a second interface. The first metallic member contains chromium. The second metallic member contains chromium. The adherence part is made of an oxide containing chromium as a primary component. The adherence part adheres the first and second metallic members to each other. The first interface is provided as an interface between the first metallic member and the adherence part. The second interface is provided as an interface between the second metallic member and the adherence part. The first interface includes a first slant portion. The first slant portion slants with respect to an in-plane direction of the first metallic member.
Absstract of: US2025118785A1
An electrochemical cell includes a first electrode layer, a second electrode layer, and a solid electrolyte layer. The solid electrolyte layer is located between the first electrode layer and the second electrode layer, and has oxide ion conductivity. The first electrode layer includes an electron conductive material and a first material containing, as a main component, a first element having an electronegativity smaller than that of zirconium.
Absstract of: US2025118778A1
A fuel cell thermal management system includes a radiator array comprising a first radiator, a second radiator, and a fan. The first radiator and the second radiator are configured to transmit liquid of a fuel cell system therethrough for cooling. The first radiator and the second radiator are arranged adjacent one another to form a first angle therebetween.
Absstract of: US2025118782A1
A vehicle cooling system for a fuel cell and an electrical energy store includes a first cooling circuit configured to cool the fuel cell and a second cooling circuit configured to cool the electrical energy store with the first cooling circuit and the second cooling circuit selectively fluidly connected to one another in response to temperatures of the fuel cell and electrical energy store. The first cooling circuit may include a coolant removal point arranged downstream of the fuel cell and upstream of a heat exchanger. The first cooling circuit may also include a coolant recirculation point downstream of a heat exchanger and upstream of the fuel cell.
Absstract of: US2025118777A1
A chromium alloy container has an internal space. The chromium alloy container includes a first alloy member constituted by an alloy containing chromium, a second alloy member constituted by an alloy containing chromium, and an adhering portion adhering the first alloy member and the second alloy member to each other. The adhering portion is constituted by an oxide containing chromium as a main component. The adhering portion has a void therein.
Absstract of: US2025118776A1
An embodiment unitized fuel cell includes a cell frame including an electricity generating assembly (EGA) bonded to a frame, the cell frame including a manifold hole disposed at an end part of the frame and a reaction gas guide part extending from the manifold hole, wherein the manifold hole is configured to allow a reaction gas to pass therethrough, and a pair of bipolar plates respectively laminated on both sides of the cell frame, the pair of bipolar plates including a first bipolar plate configured to form a flow path of the reaction gas together with the reaction gas guide part of the cell frame, the first bipolar plate having a recessed hole disposed on a part corresponding to the reaction gas guide part to expose a part of the reaction gas guide part therethrough and a second bipolar plate bonded to the cell frame.
Absstract of: US2025118772A1
A platinum-palladium alloy catalyst, and a phosphoric acid or a phosphonated ionomer contacting the platinum-palladium alloy catalyst in a fuel cell. Phosphoric acid fuel cells (PAFCs, with phosphoric-acid-saturated silicon carbide matrix) employing the platinum-palladium alloy catalyst, and, a phosphoric acid or a phosphonated ionomer contacting the platinum-palladium alloy catalyst are disclosed. High-temperature polymer electrolyte membrane fuel cells (HT-PEMFCs, with phosphoric-acid-contained polymer matrix) employing the platinum-palladium alloy catalyst, and a phosphoric acid or a phosphonated ionomer contacting the platinum-palladium alloy catalyst are also disclosed.
Absstract of: US2025118787A1
An assembly including a stack of solid oxide cells of the SOEC/SOFC type and a clamping system for the stack. This assembly furthermore includes at least one heating plate, demountable and interchangeable, inserted in a housing of at least one of the top and bottom clamping plates, the housing being formed in the thickness of the at least one of the top and bottom clamping plates, and comprising first and second opposite ends, at least one of which emerges on the lateral face-of the at least one of the top and bottom clamping plates, being located inside, at a distance from its main top and bottom faces substantially parallel to each other.
Absstract of: US2025118786A1
The invention provides flow batteries and methods of using flow batteries including long-lived redox-active molecules with low redox potential.
Absstract of: US2025118779A1
Disclosed herein are a variety of systems, compositions, and methods for reversibly storing electrical energy in a redox flow battery with a unit cell potential equal to or greater than 3.5 volts. The systems include a positive section, a negative section, and an electroactive bipolar redox molecule comprising an anolyte moiety and a catholyte moiety separated by a non-conjugating insulating linker. The catholyte moiety comprises para-dimethoxybenzene and the non-conjugating insulating linker comprises at least two -CX2 linkers, wherein X comprises at least one atom selected from the group consisting of hydrogen and heteroatoms. The positive section comprises a first metal electrode in contact with the electroactive bipolar redox molecule and a supporting electrolyte dissolved in a solvent. The negative section comprises a second metal electrode in contact with the electroactive bipolar redox molecule and additional electrolyte dissolved in additional solvent.
Absstract of: US2025118970A1
An externally-controllable electrical power generating system for providing auxiliary or backup power to a load bus or device. The system may be used indoors, and generally includes a power source comprising a first DC output, an electrical storage unit comprising a DC input coupled to the first DC output of the power source, the electrical storage unit further comprising a second DC output. An inverter coupled to the second DC output receives power, the inverter having a first AC output that can be synchronized with an AC load bus or AC grid. The system includes a contactor connected between the first AC output and an AC load bus, and is controllable with an external controller operated by a utility or a managing entity, such that the external controller can enable the controller to connect or disconnect the contactor.
Nº publicación: US2025118726A1 10/04/2025
Applicant:
THE RESEARCH FOUNDATION FOR THE STATE UNIV OF NEW YORK [US]
The Research Foundation for The State University of New York
Absstract of: US2025118726A1
A metal-seawater flow battery includes an anode disposed in a non-aqueous electrolyte and a cathode spaced apart from the anode. A metal-ion conductive membrane separates the anode from the cathode. The anode includes active metal. The cathode is configured to receive a flow of seawater therethrough. The cathode may be porous. For example, the cathode may include porous carbon (for example, carbon foam, carbon nanotubes, activated carbon, carbon black, or other forms of porous carbon, or combinations of different forms of porous carbon).
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