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589
results.
Updated on
23/12/2025 [06:48:00]
Results 125 to 150 of 589
Absstract of: US2025382898A1
An energy storage system converts variable renewable electricity (VRE) to continuous heat at over 1000° C. Intermittent electrical energy heats a solid medium. Heat from the solid medium is delivered continuously on demand. An array of bricks incorporating internal radiation cavities is directly heated by thermal radiation. The cavities facilitate rapid, uniform heating via reradiation. Heat delivery via flowing gas establishes a thermocline which maintains high outlet temperature throughout discharge. Gas flows through structured pathways within the array, delivering heat which may be used for processes including calcination, hydrogen electrolysis, steam generation, and thermal power generation and cogeneration. Groups of thermal storage arrays may be controlled and operated at high temperatures without thermal runaway via deep-discharge sequencing. Forecast-based control enables continuous, year-round heat supply using current and advance information of weather and VRE availability. High-voltage DC power conversion and distribution circuitry improves the efficiency of VRE power transfer into the system.
Absstract of: US2025385523A1
Systems and methods for providing power to food carts using solar energy, battery storage, and hydrogen fuel cell energy. Systems comprise a plurality of solar panels arranged on a food cart, a battery system disposed in a basement, and a controller configured to monitor and control the power flow between the solar panels, the battery system, and the food cart, where the control system determines when hydrogen fuel cell energy is needed.
Absstract of: WO2025258318A1
Provided are: a stack (10, 80) with which it is possible to ensure a flow of gas between a passage and a cell; a hot module (71); and a hydrogen production device (70). This stack comprises: cells (30) including an electrolyte (31) that isolates a fuel electrode (32) and an air electrode (33) from each other in the thickness direction; first separators (27) fixed to the cells; inter-connectors (34) in contact with the air electrodes; second separators (29) fixed to the inter-connectors; electrically insulating frames (28) disposed between the first separators and the second separators; and gas passages (24, 25) extending in the thickness direction of the first separators, the frames, and the second separators. The passages are connected to spaces (37) between the first separators and the second separators. The stack also comprises insulators (50) disposed between the passages and the cells within the spaces. The spaces in which the insulators are disposed each include a gas passage part (52) through which gas passes between the passages and the cells.
Absstract of: WO2025258975A1
The present invention provides a separator which has a reaction portion formed on at least one surface and is provided with a protrusion portion along an edge of the reaction portion.
Absstract of: WO2025258760A1
Provided are an additive for a polymer electrolyte membrane, a polymer electrolyte membrane, a membrane-electrode assembly, and a fuel cell, wherein the additive for a polymer electrolyte membrane comprises a complex comprising a transition metal or a transition metal compound and a flavonoid compound, wherein the transition metal and the transition metal of the transition metal compound include at least one selected from cerium (Ce), manganese (Mn), cobalt (Co), chromium (Cr), iron (Fe), copper (Cu), and nickel (Ni).
Absstract of: WO2025257961A1
This porous metal body sheet is formed of a porous metal body having a skeleton assuming a three-dimensional network structure. The porous metal body sheet has a first main surface and a second main surface on the opposite side to the first main surface. The first main surface includes a first inclined peripheral edge region, a second inclined peripheral edge region opposite to the first inclined peripheral edge region, and a central region between the first inclined peripheral edge region and the second inclined peripheral edge region. The first inclined peripheral edge region and the second inclined peripheral edge region are set apart from each other in a first direction. The first inclined peripheral edge region and the second inclined peripheral edge region each extend along a second direction intersecting the first direction, and are inclined so as to approach the second main surface as the distance from the central region increases in the first direction.
Absstract of: WO2025257962A1
This porous metal sheet is formed of a porous metal having a skeleton with a three-dimensional network structure. The porous metal sheet has a main surface in which a plurality of grooves are formed. An upper chamfer is formed on the upper corner of each of the plurality of grooves. A lower chamfer is formed on the lower corner of each of the plurality of grooves.
Absstract of: US2025385275A1
An electrically conductive member includes a base member and a polycrystalline film. The base member contains chromium. The polycrystalline film includes a plurality of chromium oxide particles and a grain boundary phase located among the plurality of chromium oxide particles, and is located on the base member. The polycrystalline film contains a first element having a first ionization energy and a free energy of formation of oxide per mole of oxygen that are smaller than those of chromium. The grain boundary phase has a content percentage of the first element that is higher than that of the plurality of chromium oxide particles.
Absstract of: US2025385272A1
An electrode of an electrochemical device includes a carbon-based support structure, an ionically conductive material dispersed on and within the support structure, a catalyst dispersed on and within the support structure, and a non-ionomeric hydrocarbon-based binder dispersed on the support structure. The ionically conductive material enables the transport of protons across the electrode, the catalyst promotes a chemical reaction of a fuel received at the electrode, and the binder retains the electrode. The electrode may be included in an electrochemical device, such as a fuel cell.
Absstract of: US2025385274A1
In one aspect, the disclosure relates to SOC cells comprising a conformal nanolayer comprising PrOx on an oxygen electrode backbone, e.g., an LSM oxygen electrode. The disclosed SOC cells comprising a conformal nanolayer comprising PrOx on an oxygen electrode backbone are prepared using a disclosed Atomic Layer Deposition (ALD) coating method. The SOC cells comprising a conformal nanolayer comprising PrOx on an oxygen electrode backbone can further comprise an additional layer material, e.g., MnOx and/or CoOx, thereon or therein the conformal nanolayer comprising PrOx. The performance of the disclosed SOC cells is improved compared to baseline cells lacking the disclosed ALD coating on an oxygen electrode backbone, e.g., an LSM oxygen electrode. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.
Absstract of: US2025385286A1
A method for controlling the humidity of a fuel cell stack air inlet, a fuel cell system in which the method may be exercised, and a fuel cell system controller adapted to execute the method in a fuel cell system. The method for controlling the humidity includes detecting the humidity of air entering a fuel cell stack air inlet downstream a humidifier, detecting the water level of a water reservoir, and using the detected values to control the humidity of air entering the fuel cell stack by controlling a supply of water from the water reservoir to a spray nozzle downstream the humidifier.
Absstract of: US2025385285A1
A fluid cooling system for cooling a fuel cell system is provided. A fluid valve controls a flow ratio between a first input port of the fluid valve and a second input port of the fluid valve to provide a predetermined wanted output temperature at an output port of the fluid valve. The processing circuitry is configured to repeatedly: obtain a first input temperature at the first input port and a second input temperature at the second input port; determine an open loop flow ratio based on the first input temperature and the second input temperature; obtain an output temperature at the output port; determine a corrective closed loop flow ratio based on the output temperature and the predetermined wanted output temperature; combine the open loop flow ratio and the corrective closed loop flow ratio to provide a combined flow ratio; and control a position of the fluid valve based on the combined flow ratio.
Absstract of: WO2025256198A1
The present application provides a bipolar frame plate assembly and a vanadium redox flow battery stack. The bipolar frame plate assembly comprises a bipolar frame, a bipolar plate, and a pressing member; the bipolar frame is provided with a first recessed area; a through-slot is formed in the first recessed area; the through-slot passes through the bipolar frame; the bipolar plate is arranged in the first recessed area; the bipolar plate covers the through-slot and seals the through-slot; and the pressing member is connected to the bipolar frame and the bipolar plate, separately, so as to fix the bipolar plate in the first recessed area. By arranging the first recessed area on the bipolar frame, a stable mounting position is provided for the bipolar plate, so that the bipolar plate can be firmly fixed on the bipolar frame. By forming in the first recessed area the through-slot passing through the bipolar frame, and fixing the bipolar plate in the first recessed area by means of the pressing member, the bipolar frame plate assembly can be formed into a whole, solving the problem of electrolyte leakage, ensuring a good battery capacity, preventing the leaked electrolyte from corroding a battery system, and avoiding environmental pollution caused by electrolyte leakage.
Absstract of: WO2025255961A1
A ternary platinum-based alloy catalyst, and a preparation method therefor and the use thereof. The ternary platinum-based alloy catalyst comprises a carrier and active particles loaded in the carrier, wherein the ternary platinum-based alloy catalyst is doped with non-metal atoms, which comprise N atoms and/or P atoms; and the active particles comprise a ternary platinum-based alloy material, the constituent elements of which comprise Pt, M1 and M2, M1 and M2 being different non-noble metal elements. By means of the synergistic cooperation between the non-metal atoms and the elements of platinum, M1 and M2 in the ternary platinum-based alloy catalyst, the dissolution of the metal is effectively inhibited, the anchoring effect on nanoparticles is enhanced, the migration and agglomeration effects of the nanoparticles are weakened, the adjustment of the particle size of the platinum-based catalyst is facilitated, and the activity and stability of the catalyst in a cathode of a fuel cell are greatly improved.
Absstract of: WO2025255616A1
A fuel cell is disclosed. The fuel cell comprises at least one anode cell housing an anode electrode wherein the anode electrode is doped with an alkali dopant and at least one cathode cell housing a cathode electrode wherein the cathode electrode is doped with an acid dopant. The fuel cell is a dry fuel cell.
Absstract of: US2025385277A1
A separator for a fuel cell includes a body having ribs that extend parallel to each other. The ribs protrude from the body to come into contact with a gas diffusion layer of a membrane electrode gas diffusion layer assembly. The space between the ribs and between the separator and the gas diffusion layer defines a passage through which gas is supplied to and discharged from the membrane electrode gas diffusion layer assembly. An end face of each rib in a protruding direction is parallel to the gas diffusion layer. A protrusion protrudes from the end face of each rib toward the gas diffusion layer. The protrusion of each rib extends in a width direction of the rib to reach the passage.
Absstract of: US2025385278A1
An electrochemical cell includes an element portion, a support body made of metal, and an oxide layer. The element portion includes a solid electrolyte layer, and a first electrode and a second electrode with the solid electrolyte layer therebetween. The support body contains chromium and supports the element portion. The oxide layer is located between the first electrode and the support body and contains a metal component. The oxide layer has a porosity lower than that of the first electrode.
Absstract of: US2025385282A1
An aircraft system for pre-heating ammonia that flows toward an ammonia fuel cell, the system having: an ammonia-to-air heat exchanger, having: a first section through which RAM air flows, a second section through which the ammonia flows and a third section between the first and second sections which includes a solvent, wherein heat energy is transferred from the RAM air to the ammonia via the solvent; and an ammonia sensor that provides an alert when ammonia is detected in the solvent.
Absstract of: US2025385279A1
A fiber-based diffusion layer (5, 6) for an electrochemical cell (100), wherein the diffusion layer (5, 6) has a cut edge (55). The diffusion layer (5, 6) has, adjacent to the cut edge (55), an adhesive strip (60).
Absstract of: US2025385283A1
An energy generation device may include a first fuel cell pack including a plurality of fuel cell modules configured to use hydrogen as fuel, a storage part configured to store exhaust gas discharged from the first fuel cell pack and containing hydrogen, and a resupply line configured to supply the exhaust gas from the storage part to the first fuel cell pack or an external fuel cell pack.
Absstract of: US2025385280A1
A separator assembly to prevent corrosion of a separator edge may include a first separator and a second separator having at least one manifold through which reactive gas or cooling water flows, wherein the first separator has a first surface and a second surface, and the second separator has a third surface and a fourth surface, wherein the first surface of the first separator has arranged thereon a first gasket, and wherein the first gasket connects the first surface to the fourth surface to surround an edge of the first separator and an edge of the second separator exposed by the least one manifold.
Absstract of: US2025385288A1
A fuel cell stack includes an electrolyte membrane-electrode structure in which a solid polymer electrolyte membrane is sandwiched between an anode electrode and a cathode electrode, and is configured to generate power by an electrochemical reaction between an oxidant gas and a fuel gas. The fuel cell stack includes: a cell to which the oxidant gas and/or the fuel gas is supplied; an oxidant gas supply passage for supplying the oxidant gas to the cell; an oxidant off-gas flow passage through which the oxidant gas discharged from the cell flows; and a communication passage connecting the oxidant gas supply passage and the oxidant off-gas flow passage. A pressure at a first opening through which the communication passage is connected to the oxidant gas supply passage is lower than a pressure at a second opening through which the communication passage is connected to the oxidant off-gas flow passage).
Absstract of: US2025377076A1
A method of filling at least one movable body with hydrogen from a hydrogen supply apparatus that is provided with hydrogen supply lines and nozzle, said at least one movable body being provided with a tank system that has receptacles, and hydrogen conduits coming together, the hydrogen supply apparatus is configured to be able to perform first and second filling controls, the first filling control being to be performed when the nozzles are connected to the receptacles, the second filling control being to be performed when one of the nozzles is connected to one of the receptacles, the method including: before performing the first or second filling control, performing first prefilling via one of the nozzles; and performing the first filling control when pressure in rest of the hydrogen supply lines that is/are connected to other of the nozzles via which no first prefilling is performed increases.
Absstract of: JP2025184380A
【課題】外形の位置決め穴を精度よく形成したセパレータの製造方法を提供する。【解決手段】炭素材料と、樹脂とを少なくとも含有する複合材料シート１０を少なくとも含む燃料電池用セパレータの製造方法であって、複合材料シート１０の各構成材料を容器１００に加え、容器１００内にて各構成材料を堆積させて複合材料シート１０を形成する抄紙工程と、燃料電池用セパレータの外形を成形するために、抄紙工程で形成された複合材料シート１０をプレスする加圧成形工程とを含み、加圧成形工程では、複合材料シート１０の周囲において厚さ方向に貫通する凸部を備える金型を使用し、抄紙工程において、複合材料シート１０に凸部の挿通用の第１位置決め穴１５を設けるための穴開け棒１５０を容器１００内部の各構成材料の堆積開始面に接触するように載置して各構成材料を堆積させ、第１位置決め穴１５の開いた複合材料シート１０を形成する、製造方法である。【選択図】図３
Nº publicación: JP2025541209A 18/12/2025
Applicant:
セレスインテレクチュアルプロパティーカンパニーリミテッド
Absstract of: CN120345083A
A fuel cell system, a method of at least partially cracking a fuel gas in a fuel cell system, and a method of starting a fuel cell system. The fuel cell system defines an anode inlet gas fluid flow path for delivering fuel gas from a first inlet of a recuperative heat exchanger to a first outlet of the recuperative heat exchanger, through a cracker, to a second inlet of the recuperative heat exchanger, through a first outlet of the recuperative heat exchanger, through a second outlet of the recuperative heat exchanger. The fuel cells are delivered to a second outlet of the recuperative heat exchanger and to an anode inlet of at least one fuel cell stack. The fuel cell system has a heat source configured to provide heat to the anode inlet gas fluid flow path between the first outlet of the regenerative heat exchanger and the second inlet of the regenerative heat exchanger. The recuperative heat exchanger is arranged to transfer heat from the at least partially cracked fuel gas at a relatively higher temperature from the cracker outlet to a fuel gas at a relatively lower temperature delivered between the first inlet and the first outlet of the recuperative heat exchanger.
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