Alerta

PLATINUM ALLOYS IN THE ANODE LAYER OF FUEL CELLS WITH FLUORINE-FREE HYDROCARBON IONOMERS

Resumen de: EP4576277A1

Die Erfindung betrifft eine Brennstoffzelle. Die Brennstoffzelle umfasst eine Anode, eine Kathode und eine Polymermembran, die sich zwischen der Anode und der Kathode befindet. Die Anode umfasst ein katalytisch aktives Material, ein Trägermaterial und einen Polymerbinder. Mittels des Polymerbinders wird das katalytisch aktive Material mit dem Trägermaterial verbunden. Die Brennstoffzelle zeichnet sich dadurch aus, dass das katalytisch aktive Material eine Platin-M-Legierung umfasst, wobei M ein oder mehrere Übergangsmetalle bezeichnet und der Polymerbinder auf Kohlenwasserstoff-Ionomeren basiert.

GAS DIFFUSION ELECTRODE AND METHOD FOR REDUCING HYDROGEN EVOLUTION WHEN OPERATING ELECTROLYSIS USING GAS DIFFUSION ELECTRODE

Resumen de: EP4575041A1

Zur Verbesserung der mechanischen Stabilität einer Gasdiffusionselektrode und der Verringerung der an der Gasdiffusionselektrode erzeugten Wasserstoffmenge während eines Elektrolysevorganges eignet sich eine Gasdiffusionselektrode, die mindestens einen Elektrokatalysator und mindestens eine, auf mehr als 75% der Fläche eines offenporigen, flächigen, aus mindestens einem Werkstoff gefertigten Trägers angeordnete Gasdiffusionsschicht 21 enthält und sich dadurch gekennzeichnet, dass bezogen auf das Gesamtgewicht des besagten Trägers der Gesamtanteil an elektrisch leitendem Werkstoff des besagten Trägers im Mengenbereich von 50 bis 100 Gew.-% liegt und der besagte Träger zumindest entlang eines seiner Randbereiche eine Teilfläche 22 aufweist, die nicht mit der Gasdiffusionsschicht bedeckt ist, wobei an besagter Teilfläche 22 zumindest an der Oberfläche des besagten Trägers ein Material vorliegt, das (a) elektrischen Strom leitet und bei 50°C mindestens die gleiche Überspannung für die Wasserstoffentwicklung aufweist als der mindestens eine Elektrokatalysator oder (b) ein Isolator ist.

A FUEL STORAGE AND SUPPLY SYSTEM FOR A VEHICLE

Resumen de: EP4575215A1

A fuel storage and supply system (10) for a vehicle (1), the fuel storage and supply system comprising: a number of fuel storage tanks (12) for storing a pressurized fuel (13); a fuel conduit arrangement (20) configured to be in fluid communication with the number of tanks; an expander (15) disposed in the fuel conduit arrangement and further arranged downstream the number of tanks, the expander being configured to convert at least a portion of the energy from the pressurized fuel into mechanical work; a fuel supply control system (80), the fuel supply control system comprising a fuel control valve arrangement (30) disposed in the fuel conduit arrangement, the fuel control valve arrangement having a first fuel control valve (31) disposed in the fuel conduit arrangement and in-between the number of tanks and the expander, the first fuel control valve being configured to regulate a flow of the pressurized fuel, and a second fuel control valve (32) disposed in an expander by-pass channel (23), the expander by-pass channel extending from an inlet position (50) upstream the first fuel control valve to an outlet position (52) downstream the expander, the second fuel control valve being configured to regulate a flow of the pressurized fuel; wherein the fuel supply control system (80) further comprises a controller (85) having processing circuitry (82) configured to control flow of fuel through the expander by controlling any one of the first and second fuel control valves in respons

AN ELECTRODE SHEET FOR TRANSPORT OF LIQUIDS AND GASES

Resumen de: EP4575035A1

In an aspect, an electrode sheet designed for liquid and gas transport rendered suitable for metallization (5) is provided. The electrode sheet designed for liquid and gas transport (5) comprising a polymer base layer (1) comprising a first and a second face side, rendered suitable for metallization to act as a current collector. The first and/or said second face side of the polymer base layer (1) comprises a structured surface with a pattern of channels (3). The polymer base layer (1) further comprises a plurality of through holes (2) through said base layer (1) to connect the pattern of channels (3) to an opposing face side of the polymer base layer (1).

VENTILATION ASSEMBLIES FOR ELECTROCHEMICAL CELL SYSTEMS

Resumen de: EP4576285A1

An electrochemical cell module includes a module housing and electrochemical cells located in the module housing and configured to generate power or hydrogen and to output an exhaust. The module also includes a vent housing attached to the module housing, an exhaust duct located in the vent housing, and a filter cartridge located in the exhaust duct. The exhaust duct contains an inlet that is configured to receive the exhaust from the module housing, and an outlet that is configured to direct the exhaust away from the module housing. The filter cartridge contains a particulate filter.

ENABLING PROLONGED ENDURANCE BRAKING

Resumen de: EP4574526A1

A method is disclosed for enabling prolonged endurance braking for a vehicle comprising one or more electric motor(s) and a fuel cell arrangement configured to drive the electric motor(s).The method comprises - during braking by the electric motor(s) - transferring, from the electric motor(s) to the fuel cell arrangement, electric energy or power generated by the electric motor(s) during the braking, and dispatching the transferred electric energy or power by causing the fuel cell arrangement to perform electrolysis driven by the transferred electric energy or power.In some examples, electric energy or power generated by the electric motor(s) during the braking is transferred from the electric motor(s) to the fuel cell arrangement only when an energy storing system of the vehicle is unable to receive the generated electric energy or power for storage.Corresponding computer program product, non-transitory computer-readable storage medium, computer system, vehicle sub-system, and vehicle are also disclosed.

SUPPLYING POWER AND HEAT TO BUILDINGS AND/OR INDUSTRIAL PLANTS

Resumen de: CN119816623A

The invention relates to a method for supplying and heating at least one building (G) and/or at least one industrial installation (A), in which an electric current (4) is generated by means of sunlight by means of at least one photovoltaic installation (PV), in which water is decomposed into molecular hydrogen (H2) and oxygen (O2) in an electrolyzer (E) by means of the electric current (4) generated in the photovoltaic installation (PV), methanol (CH3OH) is generated in a synthesizer (S) by means of molecular hydrogen (H2) and carbon dioxide (CO2), the generated methanol (CH3OH) being temporarily stored in a methanol tank (9), the temporarily stored methanol (CH3OH) being oxidized in an electrothermal generator (V) while an electrical current (4) and heat (Q) are output, and the electrical current (4) and the heat (Q) being supplied to the methanol tank (9). At least one building (G) and/or at least one industrial facility (A) are supplied with electrical current (4) and heat (Q) generated in an electrothermal generator (V), such that a supply of large buildings and/or industrial facilities, in particular as self-sufficient as possible throughout the year, can be economically achieved.

HIGH-EFFICIENCY, ZERO-EMISSION ALUMINUM-BASED POWER GENERATION SYSTEM AND METHOD FOR VEHICLE

Resumen de: EP4576284A2

Highly efficient apparatuses and systems comprise power generation systems including energy derived from an aluminum/water reactor in line with fuel cell electricity generation, with hydrogen and water produced at system stages and recirculated and re-used through the system in combination with waste heat reclamation increasing system efficiency and sustainability for powering vehicle propulsion needs.

ENERGY CONVERSION ARRANGEMENT, ENERGY SYSTEM AND AIRCRAFT COMPRISING SAME

Resumen de: EP4574661A1

An energy conversion arrangement (10) for an aircraft (1), an energy system (2) and an aircraft (1) comprising an energy conversion arrangement (10) and/or an energy system (2) are provided, wherein the energy conversion arrangement (10) comprises a fuel conversion device (11), in particular a fuel cell system, for converting at least one fuel to electrical and/or mechanical energy, and at least one exhaust outlet (13) for letting out exhausts (E) produced in the fuel conversion device (11) by the fuel conversion; and a flow path (15) of further exhausts (G) of the energy conversion arrangement (10); wherein the at least one exhaust outlet (13) is arranged in a mixing assembly (42) located within the flow path (15) of the further exhausts (E) and configured to admix the exhausts (E) to the further exhausts (G).

ENERGY CONVERSION ARRANGEMENT, ENERGY SYSTEM AND AIRCRAFT COMPRISING SAME

Resumen de: EP4574662A1

An energy conversion arrangement (10) for an aircraft (1), an energy system (2) and an aircraft (1) comprising an energy conversion arrangement (10) and/or an energy system (2) are provided, wherein the energy conversion arrangement (10) comprises a fuel conversion device (11), in particular a fuel cell system, for converting at least one fuel to electrical and/or mechanical energy; an exhaust outlet (13) for letting out exhausts (E) produced in the fuel conversion device (11) by the fuel conversion; and at least one water separator (210) arranged in a flow path (15) of exhausts (E) produced in the fuel conversion device (11) and configured for separating water (W) from products of the fuel conversion device (11) on their way from the fuel conversion device (11) to the exhaust outlet (13); wherein the at least one water separator (210) comprises permeable membrane (216) and/or absorbent material.

CONDUIT AND FUEL CELL SYSTEM WITH CONDUIT

Resumen de: US2025158095A1

A conduit for discharging exhaust air from a fuel cell system, includes a fluid line including an inlet and an outlet configured to discharge the exhaust air into an environment, a turbine arranged at or in the inlet and configured to supply the exhaust air into the fluid line, a water discharge device arranged between the outlet and the inlet and configured to prevent an accidental ingress of water from the outlet into the inlet, and a drainage valve connected in fluid communication to the water discharge device. The water discharge device includes a siphon including a siphon wall having an upper edge positioned at a level higher than an installation level of the turbine.

OXYGEN ELECTRODE CATALYTIC LAYER FOR REVERSIBLE, ALKALINE OR ANION EXCHANGE MEMBRANE ELECTROCHEMICAL DEVICES

Resumen de: EP4576278A1

Oxygen electrodes, production methods and reversible, alkaline or anion exchange membrane (AEM) electrochemical devices are provided. The oxygen electrodes are operable in the reversible devices both as cathodes of a fuel cell supporting an oxygen reduction reaction (ORR), and as anodes of an electrolyzer supporting an oxygen evolution reaction (OER). The oxygen electrodes comprise a substrate layer which may be a porous transport layer (PTL), possibly coated and/or hydrophobized, or a membrane; and a blend of catalysts which is deposited on the substrate layer to form a catalyst layer, and includes ORR catalyst (e.g., a platinum group metal), OER catalyst (e.g., nickel-based particles), and possibly binders such as ionomers, PTFE or other polymers that are resistant in alkaline environment, but with the catalyst layer and the substrate layer being devoid of elemental carbon.

METHOD, CONTROL PROGRAM, COMPUTER-READABLE DATA-CARRIER AND CONTROL DEVICE FOR CONTROLLING AN ENERGY CONVERSION ARRANGEMENT AND SAME, AS WELL AS AIRCRAFT COMPRISING SAME

Resumen de: EP4574668A1

A method, corresponding control program (61), computer-readable data carrier (62), and control device (54) for controlling an energy conversion arrangement (10) for an aircraft (1), comprising a fuel conversion device (11) with a fuel cell system (70) for converting at least one fuel to electrical energy (e), as well as a corresponding energy conversion arrangement (10) and aircraft (1) are proposed, the method comprising the steps of monitoring at least one contrail formation parameter (P) having a contrail formation range indicating a likelihood of contrail formation by exhausts (E) of the fuel conversion device (11) and/or by an exhausts mix (M) containing the exhausts (E) of the fuel conversion device (11) and further exhausts (G) of the energy conversion arrangement (10); and controlling a mixing ratio of the exhausts (E) of the fuel conversion device (11) with the further exhausts (G) of the energy conversion arrangement (10) to keep and/or bring the at least one contrail formation parameter (P) out of at least one potential impact region of the contrail formation range indicative of a potential contrail impact to be avoided.

METHOD, CONTROL PROGRAM, COMPUTER-READABLE DATA-CARRIER AND CONTROL DEVICE FOR CONTROLLING AN ENERGY CONVERSION ARRANGEMENT AND SAME, AS WELL AS AIRCRAFT COMPRISING SAME

Resumen de: EP4574667A1

A method, corresponding control program (61), computer-readable data carrier (62), and control device (54) for controlling an energy conversion arrangement (10) for an aircraft (1), comprising a fuel conversion device (11) with a fuel cell system (70) having at least two fuel cell elements (72) for converting at least one fuel to electrical energy (e), as well as a corresponding energy conversion arrangement (10) and aircraft (1) are proposed, the method comprising the steps of monitoring at least one contrail formation parameter (P) having a contrail formation range indicating a likelihood of contrail formation by exhausts (E) of the fuel conversion device (11) and/or by an exhausts mix (M) containing the exhausts (E) of the fuel conversion device (11) and further exhausts (G) of the energy conversion arrangement (10); and controlling the fuel cell system (70) such the at least two fuel cell elements (72) are being operated each at a different current density to keep and/or bring the at least one contrail formation parameter (P) out of at least one potential impact region of the contrail formation range indicative of a potential contrail impact to be avoided.

METHOD, CONTROL PROGRAM, COMPUTER-READABLE DATA-CARRIER AND CONTROL DEVICE FOR CONTROLLING AN ENERGY CONVERSION ARRANGEMENT AND SAME, AS WELL AS AIRCRAFT COMPRISING SAME

Resumen de: EP4574666A1

A method, corresponding control program (61), computer-readable data carrier (62), and control device (54) for controlling an energy conversion arrangement (10) for an aircraft (1), comprising a fuel conversion device (11) with a fuel cell system (70) for converting at least one fuel to electrical energy (e), as well as a corresponding energy conversion arrangement (10) and aircraft (1) are proposed, the method comprising the steps of monitoring at least one contrail formation parameter (P) having a contrail formation range indicating a likelihood of contrail formation by exhausts (E) of the fuel conversion device (11) and/or by an exhausts mix (M) containing the exhausts (E) of the fuel conversion device (11) and further exhausts (G) of the energy conversion arrangement (10); and controlling the fuel cell system (70) such that its energy output is increased to keep and/or bring the at least one contrail formation parameter (P) out of at least one potential impact region of the contrail formation range indicative of a potential contrail impact to be avoided.

ENERGY CONVERSION ARRANGEMENT, ENERGY SYSTEM AND AIRCRAFT COMPRISING SAME

Resumen de: EP4574673A1

An energy conversion arrangement (10) for an aircraft (1), an energy system (2) and an aircraft (1) comprising an energy conversion arrangement (10) and/or an energy system (2) are provided, wherein the energy conversion arrangement (10) comprises a fuel conversion device (11), in particular a fuel cell system, for converting at least one fuel to electrical and/or mechanical energy; an expansion device (17) arranged in a flow path (15) of exhausts (E) produced in the fuel conversion device (11) and configured to decompress the exhausts (E); and at least one flow path (14) of air (A) leading to the expansion device (17) for enabling a decompression of the exhausts (E) along with the air (A).

MANIFOLD

Resumen de: EP4575372A1

A manifold includes: a high-temperature channel through which a high-temperature fluid flows; a low-temperature channel through which a low-temperature fluid having a lower temperature than the high-temperature fluid flows; and a manifold body having the high-temperature channel and the low-temperature channel. The high-temperature channel and the low-temperature channel are disposed close to each other. The manifold body has a thermal insulation space between the high-temperature channel and the low-temperature channel in a location where the high-temperature channel and the low-temperature channel are disposed close to each other.

APPARATUS AND METHOD FOR DISTRIBUTING AND STORING ELECTRIC ENERGY

Resumen de: EP4576482A1

Apparatus (10) for distributing and storing electric energy, configured to be connected on one side to a renewable sources energy community (11) and on the other side to at least one user device (12a, 12b) that requires energy. The apparatus comprises at least an electrolyser (14) for hydrogen production and at least a fuel cell (15). A control unit (13) control operations of the electrolyser and the fuel cell such that the apparatus (10) exchanges bidirectional power flow with the energy community (11).

AUSTENITIC/FERRITIC DUAL-PHASE STAINLESS STEEL SHEET FOR FUEL CELL SEPARATOR

Resumen de: EP4576279A1

Provided is a stainless steel sheet for a fuel cell separator that combines both excellent press formability and resistance to Fe ion elution. The stainless steel sheet has a chemical composition containing, in mass%, Cr: 18.0 % to 24.0 % and Ni: 3.00 % or less. The steel microstructure includes an austenite phase and a ferrite phase, where the fraction of the austenite phase is 30 % or more and the total fraction of the austenite phase and the ferrite phase is 95 % or more. Total elongation of the stainless steel sheet is 40 % or more.

フロープレート

Resumen de: US2025201869A1

A flow plate for a fuel cell includes a substrate including a flow inlet and a flow outlet, and a flow field in fluid communication with both the flow inlet and the flow outlet including flow channels. The flow channels include at least two serpentine channels, each of the at least two serpentine channels defining a channel inlet and a channel outlet and including at least one curved section inducing a change in the flow direction in the respective serpentine channel, and the flow channels also including a straight interdigitated channel extending between the at least two serpentine channels, and defining a channel inlet and a closed channel end.

燃料电池测试用气体预冷装置

Resumen de: CN223023290U

本实用新型提供了一种燃料电池测试用气体预冷装置，包括预冷单元和散热单元，以及设于预冷单元和散热单元之间的半导体制冷单元；预冷单元包括气体通道，散热单元包括冷却通道，半导体制冷单元的冷端能够与气体通道中的气体热交换，半导体制冷单元的热端能够与冷却通道中的冷却液热交换。本实用新型的燃料电池测试用气体预冷装置，可利用半导体制冷技术具有温度控制精度高、设备小型化和使用寿命长等特性，以利于装置整体的小型化设计，降低装置维护成本，同时也利于提升对气体预冷的温控精度，而可提升实用性。

一种液流电池系统

Resumen de: CN223023295U

本实用新型提供了一种液流电池系统。该液流电池系统包括电堆、正极储液装置、负极储液装置、正极进液通道、正极出液通道、负极进液通道、负极出液通道；还包括正极短循环通道，正极进液通道和正极出液通道之间并联有正极储液装置和正极短循环通道，并且，正极短循环通道比正极储液装置更靠近电堆的正极；和/或，还包括负极短循环通道，负极进液通道和负极出液通道之间并联有负极储液装置和负极短循环通道，并且，负极短循环通道比负极储液装置更靠近电堆的负极。本实用新型的液流电池系统能够使电解液的循环回路大幅缩短，电解液循环所需能量少，具有电池系统效率高，电解液利用率高、电池工作稳定等特点。

列管式换热器及液流电池系统

Resumen de: CN223020995U

本实用新型公开了一种列管式换热器及液流电池系统，其中，列管式换热器包括：壳体，所述壳体内部形成有换热腔，所述壳体上设有连通所述换热腔相连通的进液口和出液口；若干设置在所述换热腔内、用于导流电解液的换热管，所述换热管由石墨改性尼龙制成，且所述换热管呈螺纹型或波纹管状；设置在所述换热管两端的封板，所述换热管穿过所述封板，且所述封板与所述换热管外壁和所述壳体内壁均密封连接；以及，密封连接于所述壳体两端的封管接头，所述封管接头上设有用于引入或排出电解液的接头部。本实用新型可以增大换热表面积以有效的提高换热性能，且能够显著提高换热管的导热性能，且与钛合金材料相比，其成本更低。

一种氢能源燃料电池生产用组装设备

Resumen de: CN223023296U

本实用新型属于氢燃料电池生产技术领域，且公开了一种氢能源燃料电池生产用组装设备，包括两个机架，两个所述机架的顶端均固定安装有调节导轨，所述调节导轨的上方设有纵向电动滑台，所述纵向电动滑台的底端与两个调节导轨之间活动卡接，所述纵向电动滑台相对调节导轨前后位移。本实用新型通过利用夹持时装置的向下位移，使得氢燃料电池可反向施加顶升力，使得氢燃料电池的顶端可始终与活动架相接触，且活动架上移时可转换为侧向夹板的夹紧力实现氢燃料电池的侧边夹紧，使得氢燃料电池的顶端以及侧端均可被限位，避免传统装置面对较高的氢燃料电池时其顶端缺乏限位导致容易出现晃动的问题，显著提高夹持稳定性。

氢气引射器

Nº publicación: CN223019050U 24/06/2025

Solicitante:

无锡赛氢新能源科技有限公司

Resumen de: CN223019050U

本申请公开了一种氢气引射器，包括设有吸入腔的器体、阀芯组件、电磁组件和至少一个进气口，以及设在所述器体上端外部的壳体，所述器体底部设有连通所述吸入腔的出射喷嘴；所述阀芯组件设在所述吸入腔内，沿所述器体轴线方向在所述吸入腔内移动，打开或关闭所述出射喷嘴；所述电磁组件设在所述器体和所述壳体之间，用于控制所述阀芯组件移动；所述进气口靠近所述喷嘴一端开设在所述器体上，连通所述吸入腔；极大缩短氢气在引射器内流动的距离，在所述阀体组件上设有通气槽从而保证所述阀体组件两端腔体内的压力保持一致，降低所述阀芯组件移动时的阻力，从而提高阀芯组件的响应速度，能够更精准的控制氢气的喷射量，且整体体积小。