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燃料電池システムにおける液体の浸入抑制構造

Resumen de: JP2026002742A

【課題】二部材間のシール箇所への液体の浸入を抑制する構造を提供すること。【解決手段】水素供給装置は、外周面２３ａを有する流入ポート２０と、流入ポート２０の外周面２３ａを覆うように上方から組み付けられる被嵌合部３０と、流入ポート２０と被嵌合部３０との間をシールするように流入ポート２０の外周面２３ａに形成される凹部２１に設けられる環状のシール部材２２を有する。被嵌合部３０は、凹部２１に外周側から被せられる被せ部３１と、被せ部３１よりも下方に延びる延出部４０を有する。延出部４０の内周面４５と流入ポート２０の外周面２４ａとの間に、延出部４０の外周面３３より径方向の外側にある外部空間５２と連通する第１隙間５０が形成される。【選択図】図２

燃料ガス貯蔵システム

Resumen de: US2025389392A1

A fuel gas storage system includes a first tank including a first supply valve and a first communication valve. The fuel gas storage system includes a second tank including a second supply valve and a second communication valve. The fuel gas storage system includes a supply pipe connecting the first supply valve and the second supply valve to an external device. The fuel gas storage system includes a communication pipe connecting the first communication valve and the second communication valve to each other. The fuel gas storage system includes a control unit configured to be able to control an opened-closed state of each of the first supply valve, the second supply valve, the first communication valve, and the second communication valve. The control unit is configured to be able to execute specific control.

燃料電池システム

Resumen de: JP2026002415A

【課題】水素ガス流路からの水素ガス漏れを正確に判定する技術を提案する。【解決手段】燃料電池システムは、燃料電池と、水素ガスタンクと、水素ガス流路と、圧力計と、制御装置と、を備える。制御装置は、水素ガスタンクから燃料電池への水素ガスの供給が停止した後に、水素ガス流路内の圧力減少速度である第１圧力減少速度を算出する学習動作と、学習動作後において前記水素ガスタンクから燃料電池への水素ガスの供給が停止した後に、水素ガス流路内の圧力減少速度である第２圧力減少速度を算出し、第１圧力減少速度に基づいて定まる圧力減少速度閾値よりも第２圧力減少速度が大きいか否かを判定する判定動作を実行する。制御装置は、圧力減少速度閾値に基づいて判定動作を実行する。そのため、閾値が固定されている場合よりも、水素ガス流路からの水素ガス漏れを正確に判定することができる。【選択図】図３

積層体の製造方法、及び積層体、並びに固体酸化物形燃料電池

Resumen de: JP2026002199A

【課題】積層体の製造に掛かる時間を従来プロセスと比べて削減しながらも、十分な発電性能を発揮することが可能な該積層体の製造方法を提供する。【解決手段】積層体の製造方法であって、前記方法は、金属支持層３１を作製するための、第１原料粉末を用いて得られる第１原料層２１、負極層３２を作製するための、第２原料粉末を用いて得られる第２原料層２２、電解質層３３を作製するための、第３原料粉末を用いて得られる第３原料層２３、正極層３４を作製するための、第４原料粉末を用いて得られる第４原料層２４、から選ばれる２種以上の原料層を積層し、そして原料積層体２０ａ～２０ｃを得る、積層工程と、前記原料積層体を、各原料層に含まれる材料の焼結温度未満の温度で同時に圧縮固化し、そして、前記金属支持層、前記負極層、前記電解質層、及び前記正極層から選ばれる２種以上の層を備える積層体３０ａ～３０ｃを得る、圧縮固化工程と、を有する。【選択図】図４

燃料電池

Resumen de: WO2025263018A1

The purpose of the present invention is to provide a fuel cell stack which has high output and high reliability by excluding divided cells that adversely affect the power generation output in cases where divided cells are constituted by dividing a fuel cell on a substrate. A fuel cell according to the present invention comprises a porous substrate, a first electrode layer, a solid electrolyte layer, and a second electrode layer. At least one of the first electrode layer and the second electrode layer is divided so as to form divided cells, and at least some of the divided cells each have an insulating buffer part that insulates the electrode layer from a collector (see Fig. 6).

水素収集ユニットを有する装置

Resumen de: CN120457273A

An apparatus (100, 200) suitable for hydrogen applications, comprising: a hydrogen preparation unit (102) suitable for supplying a gaseous medium containing hydrogen at a pressure between a lower limit and an upper limit, the gaseous medium containing at least 85 volume percent hydrogen; a hydrogen collector unit (101, 201) comprising one or more duct elements (300, 301), which together define an internal space delimited by a wall portion; a hydrogen treatment unit (103) adapted to treat and/or use a hydrogen-containing medium wherein the apparatus (100, 200) is adapted to: feed the hydrogen-containing medium from the hydrogen production unit (102) to the hydrogen collector unit (101, 201); the hydrogen-containing medium is supplied from the hydrogen collector unit (101, 201) to the hydrogen treatment unit (103), where the upper limit is at most 50 bar, and each of the one or more conduit elements (300, 301) is a casting made of nodular cast iron having a tensile strength of at most 600 MPa.

FREE-STANDING, ION-SELECTIVE COMPOSITE MEMBRANES INCLUDING SULFONATED AROMATIC POLYMERS

Resumen de: WO2026011156A1

This disclosure relates to free-standing, composite membranes that include an ion-selective polymer coating that covers at least one surface and partially penetrates into the pore structure of a polyolefin substrate. The ion-selective polymer coating includes an ion-selective, sulfonated aromatic polymer containing aromatic groups in the backbone of the polymer. While the composite membranes do not have open, interconnected pores that connect each major surface, ion transport can take place through wetting of available pores and swelling of the ion-selective polymer coating accompanied by ion migration from one membrane surface to the opposite surface. Such composite membranes are useful for separating the anolyte and catholyte in a flow battery.

BIODEGRADABLE BATTERY SYSTEM WITH MODULAR ENERGY PODS

Resumen de: WO2026010707A1

The present disclosure provides a modular biodegradable battery system addressing limitations of conventional batteries. The system comprises removable energy pods, each containing a first electrode, a second electrode, separate compartments for organic material and vinegar, and an activation mechanism to mix these components into a biodegradable slurry. A reusable modular base removably couples with the energy pods. This design enables customizable power configurations while utilizing environmentally friendly materials. The activation mechanism allows on-demand power generation, overcoming shelf-life issues of pre-mixed biodegradable batteries. The modular base facilitates easy replacement of depleted pods and supports series or parallel connections for voltage or current amplification. This system offers a sustainable alternative to traditional batteries, reducing electronic waste and environmental impact.

HUMIDIFIER FOR FUEL CELL FOR INCREASING FLUID RESIDENCE TIME

Resumen de: WO2026010471A1

A humidifier for a fuel cell for increasing a fluid residence time, of the present invention, comprises: a mid-case provided with a first fluid inlet through which a first fluid flows in and a second fluid outlet through which the first fluid is discharged; a mid-case barrier wall which is provided in the mid-case and partitions a space inside the mid-case between a plurality of cartridges; an end cap which is provided with a second fluid inlet through which a second fluid flows in and a second fluid outlet through which the second fluid is discharged, and is coupled to the mid-case; and an end cap barrier wall which is provided in the end cap and partitions a space in the end cap.

STACK MODULE HAVING IMPROVED FUEL SUPPLY CONFIGURATION

Resumen de: WO2026010059A1

The present invention relates to a stack module having an improved fuel supply configuration, comprising: a stack including a fuel flow path for receiving fuel and discharging the fuel after use; a manifold located below the stack, including a sub-manifold elongated in a first direction, and forming a lower flow path communicating with the fuel flow path; a main flow path connected to an end of the lower flow path; and a gasket located between the stack and the manifold and compressed by the load of the stack to bring the stack and the manifold into close contact with each other, wherein a plurality of stacks are provided, a plurality of manifolds are provided corresponding to the respective stacks, and the plurality of stacks are disposed along a second direction perpendicular to the first direction.

SOLID OXIDE ELECTROLYSIS CELL

Resumen de: WO2026009553A1

A solid oxide electrolysis cell (1) has: a metal support (2) having a through-pore formation region (22) in which a large number of through-pores (21) penetrating in the thickness direction are formed; and a cell portion (3) layered on one surface of the through-pore formation region (22). The cell portion (3) has, in order from the metal support (2) side, a fuel diffusion layer (31) that diffuses fuel gas, a fuel electrode layer (32) to which the fuel gas is supplied from the fuel diffusion layer (31), a solid electrolyte layer (33), and an air electrode layer (34) that pairs with the fuel electrode layer (32). The solid oxide electrolysis cell (1) satisfies the relationship: metal support porosity < fuel diffusion layer porosity < fuel electrode layer porosity, where the metal support porosity is the area ratio of voids in a cross section along the surface direction of the metal support (2), the fuel diffusion layer porosity is the area ratio of voids in a cross section along the surface direction of the fuel diffusion layer (31), and the fuel electrode layer porosity is the area ratio of voids in a cross section along the surface direction of the fuel electrode layer (32).

LOW-COST ZINC-POLYIODIDE REDOX FLOW BATTERY

Resumen de: WO2026009233A1

The present invention relates to redox flow battery system. In particular, the present invention relates to low-cost Zinc-polyiodide redox flow battery (ZIFBs) with a low-cost electrolyte additive and a composite membrane comprising a microporous membrane and a cation conducting membrane.

AN ELECTRODE, A METHOD OF PRODUCING IT, AND A FUEL CELL WITH SUCH ELECTRODE

Resumen de: WO2026008113A1

An electrode, a method of producing it, and a fuel cell with such elec- trode In a method of producing electrodes (20), for example for fuel cells, two aqueous coatings (15, 16) are subsequently applied onto a porous hydrophobic electroconductive substrate (10). A first coating containing a sacrificial hydrophilic polymer, for example HEC and/or PPC, is applied for temporarily hydrophilizing the substrate surface. For providing a catalyst layer, CL, a second coating is applied on the first coating. The sec- ond coating comprises an electroconductive filler and a catalyst and water soluble polymeric binders, for example PVA and HPC. By heating the coatings, the sacrificial pol- ymer decomposes and evaporates and binds the catalyst layer to the substrate.

AN ELECTRODE, A METHOD OF PRODUCING IT, AND A FUEL CELL WITH SUCH ELECTRODE

Resumen de: WO2026008114A1

An electrode, a method of producing it, and a fuel cell with such elec- trode In a method of producing electrodes (20), for example for fuel cells, an aqueous coating (15, 16) is applied onto a microporous substrate (10) for a gas diffusion layer. The coating comprises a catalyst as well as a first polymeric binder that is only water soluble below a first temperature T1 and a second polymeric binder that is only water soluble above a second temperature T2, wherein T2>T1. When preparing the coating, the first and second polymeric binders are added to an aqueous base in separate stages, where the temperature of the aqueous base is below T1 when adding the first polymeric binder and above T2 when adding the second polymeric binder. By heating the coating, the two polymers are cross linked, which prevents dissolution of the two polymeric binders.

BATTERY CELL, FUEL CELL STACK, AND VEHICLE

Resumen de: WO2026007333A1

The present application relates to the technical field of fuel cells, and discloses a battery cell, a fuel cell stack, and a vehicle. The battery cell comprises: a negative electrode sheet and a positive electrode sheet arranged in parallel; and a membrane electrode arranged between the negative electrode sheet and the positive electrode sheet, and at least partially arranged obliquely with respect to the negative electrode sheet and the positive electrode sheet, so that the flow areas of reaction medium cavities formed between the membrane electrode and the negative electrode sheet and between the membrane electrode and the positive electrode sheet decrease in the flow direction of reaction media.

METHODS OF MANUFACTURE OF TEMPLATES WITH IrNi NANOBRANCHES (NBS), IrNiCu@Cu NANOSTRUCTURES AND ELECTROCATALYSTS COMPRISING IrNiCu@Cu NANOSTRUCTURES, AND APPLICATIONS THEREOF

Resumen de: US20260009160A1

The present invention is concerned with the epitaxial growth of unconventional 2H Cu on hexagonal close-packed (hcp) IrNi template, leading to forming of IrNiCu@Cu nanostructures as electrocatalyst. IrNiCu@Cu-20 shows superior catalytic performance, with NH3 Faradaic efficiency (FE) of 86% at −0.1 (vs reversible hydrogen electrode (RHE)) and NH3 yield rate of 687.3 mmol gCu−1 h−1, far better than common face-centered cubic (fcc) Cu. IrNiCu@Cu-30 and IrNiCu@Cu-50 covered by hcp Cu shell display high selectivity towards nitrite (NO2−), with NO2− FE above 60% at 0.1 (vs RHE). IrNiCu@Cu-20 has the optimal electronic structures for NO3RR due to the highest d-band center and strongest reaction trend with the lowest energy barriers. The electrocatalysts are effective in electrochemical nitrate reduction NO3RR.

SYSTEMS AND METHODS FOR CONTROLLING COLD STARTUP OF A FUEL CELL

Resumen de: US20260008385A1

Systems and methods described herein relate to controlling cold startup of a fuel cell. In one embodiment, a system for controlling cold startup of a fuel cell detects that a fuel cell and a high-voltage battery are at a temperature below a predetermined threshold temperature below which discharging power from the high-voltage battery is permitted and charging the high-voltage battery is not permitted. The system activates a battery heater and powers the battery heater using the high-voltage battery. The system starts up the fuel cell by drawing additional power from the high-voltage battery. The system consumes, in the battery heater, power generated by the fuel cell during startup until the fuel cell is fully started up to avoid charging the high-voltage battery while charging the high-voltage battery is not permitted.

METHOD FOR PRODUCING LAYERED SHEET STRUCTURES FROM TITANIUM OR TITANIUM ALLOYS FOR USE IN ELECTRODES OF PEM-TYPE ELECTROLYZERS AND/OR FUEL CELLS

Resumen de: US20260008102A1

A method for producing layered sheet structures from titanium or titanium alloy metal for use in or as electrodes of PEM-type electrolyzers or fuel cells. The method includes providing a first sheet-like green part with voids or open spaces, where first sheet-like green part is a green part of a first metal sheet layer. The method alternatively includes providing a first metal sheet layer comprising a metallic frame structure with voids or open spaces. The method further includes providing a second sheet-like green part, where second sheet-like green part is a green part of a second metal sheet layer, which is porous. The method alternatively includes providing a second metal sheet layer, which is porous. The method further includes forming a stack with a combination of the first and second sheet-like green part and the first and second metal sheet. The method further includes bonding the metal sheet layers.

AIRCRAFT PROPULSION SYSTEM AND METHOD

Resumen de: US20260008551A1

The present invention relates to a propulsion system for providing controllable propulsion comprising: a fuel cell arrangement (210) for generating electrical energy; a gas generator (250) comprising a compressor (256), a combustor (254) and a turbine (252), wherein the output from turbine is arranged to provide propulsion from rotational movement; a hydrogen source (212) for providing hydrogen to the fuel cell arrangement and the gas generator; an oxygen source (214) for providing oxygen to the gas generator (250), wherein, in use, the gas generator is used selectively to provide electrical energy for additional propulsion.

A FUEL CELL SYSTEM HAVING A SECONDARY HYDROGEN STORAGE TANK TO AVOID SHUTTING DOWN THE FUEL CELL SYSTEM DURING REFUELING

Resumen de: US20260009503A1

A method in a continuous hydrogen delivery system having a plurality of primary hydrogen fuel tanks and at least one primary hydrogen fuel tank of the plurality of primary hydrogen fuel tanks acting as a secondary hydrogen fuel tank during refueling to maintain availability of hydrogen to fuel consumers during refueling of the primary hydrogen fuel tanks. The method further includes responsive to determining that the primary hydrogen fuel tanks is set up for refueling: before the refueling process begins: disconnecting the primary hydrogen fuel tanks from the primary fuel consumer while maintaining a connection of the secondary hydrogen fuel tank to at least one of the primary fuel consumer and the secondary fuel consumer. The method further includes after the tanks have been refueled: connecting the primary and the secondary hydrogen fuel tanks to at least one of the primary fuel consumer and the secondary fuel consumer.

CHECK VALVE, METHOD OF OPERATING A CHECK VALVE AND SOLENOID ASSEMBLY

Resumen de: US20260009476A1

The invention relates to a check valve (1) having a solenoid assembly (2), which comprises a solenoid actuator (12) having a solenoid (6) and an armature (7), which is pre-tensioned by a spring element (9) with a pre-tensioning force acting in a closing direction, wherein the armature (7) is movable along an axis of movement (10) in an opening direction to open the check valve (1) via a magnetic flux acting against the pre-tensioning force of the spring element (9), to open a fluidic connection between a fluid inlet (4) and a fluid outlet (5), which is blocked without the magnetic force, by a magnetic force pulling on the armature (7).In order to functionally improve the check valve (1), the solenoid assembly (2) is designed in such a way that a selectively asymmetric magnetic force distribution results with respect to the axis of movement (10) of the armature (7).

ABNORMALITY DETERMINATION DEVICE AND ABNORMALITY DETERMINATION METHOD

Resumen de: US20260009690A1

An abnormality determination device includes: a first gas density acquisition unit that acquires a first gas density, which is a density of a gas in a gas reservoir unit when the gas reservoir unit has been filled with the gas via a gas filling path; a second gas density acquisition unit that acquires a second gas density, which is a density of the gas in the gas reservoir unit when the gas is supplied from the gas reservoir unit via a gas supply path; and an abnormality determination unit that determines whether or not a first pressure sensor or a second pressure sensor is abnormal, based on the first gas density acquired by the first gas density acquisition unit and the second gas density acquired by the second gas density acquisition unit.

SYSTEM AND METHOD FOR PROVIDING SUPPLEMENTAL POWER AND COOLING TO ONE OR MORE SERVER RACKS

Resumen de: US20260013081A1

Described herein are systems and methods for providing supplemental power and cooling to an electrical load, such as one or more server racks. In one example, a system includes a secondary power source that emits water as a by-product of operation and is connected to an electrical load that receives power from a primary power source and is cooled by a water-cooling system. The secondary power source is selectively configured to provide supplemental power to the electrical load when a condition has been met, wherein water produced during the operation of the secondary power source is provided to the water-cooling system.

FUEL CELL SYSTEM INCLUDING VALVED ANODE TAILGAS OXIDIZER CONDUIT ASSEMBLY

Resumen de: US20260011761A1

A fuel cell system includes a hotbox, a stack of fuel cells located in the hotbox and configured to generate power and an anode exhaust, an anode tail gas oxidizer (ATO) located in the hotbox and configured to oxidize a portion of the anode exhaust, a recycling conduit located outside of the hotbox and configured to receive the anode exhaust output from the hotbox, a fuel conduit assembly configured to provide fuel to the stack, and an ATO conduit assembly concentrically surrounding the fuel conduit assembly and configured to receive a first portion of the anode exhaust diverted from the recycling conduit and to provide the first portion of the anode exhaust to the ATO.

SYSTEMS AND METHODS OF USING PURE HYDROGEN AS FUEL IN A TURBOCHARGED FUEL CELL

Nº publicación: US20260011760A1 08/01/2026

Solicitante:

CATERPILLAR INC [US]
Caterpillar Inc

Resumen de: US20260011760A1

Provided herein are systems and methods for using pure hydrogen as fuel in a turbocharged fuel cell. A vehicle may include a storage configured to store pressurized hydrogen, a fuel cell, a catalytic converter, and a turbo compressor. The fuel cell includes an anode loop fluidically coupled to the storage and configured to receive the pressurized hydrogen therefrom, and a cathode loop configured to receive oxygen. The catalytic converter, arranged downstream from the anode loop, recovers excess hydrogen from the pressurized hydrogen used by the anode loop and recovers excess oxygen from the oxygen used by the cathode loop. The turbo compressor includes an expander to recover heat from the catalytic converter.