Resumen de: 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.
Resumen de: JP2025064018A
【課題】燃料電池ユニットに対して十分な量の第2の気体(水素ガス)を継続して供給可能とする。【解決手段】予め規定された容器変更条件が満たされたときに、制御部19が、各温調液槽10のうちの水素ガスGを供給しているキャニスターCが収容された温調液槽10に貯液されている水Wを、水Wの貯液量が予め規定された第1の貯液量を下回る状態となっている温調液槽10に流入させ、かつ各温調液槽10のうちの水素ガスGを流入させているキャニスターCが収容された温調液槽10に貯液されている水Wを、水素ガスGを供給しているキャニスターCが収容された温調液槽10に流入させた後に、凝縮器22によって加熱した水W、および蒸発器25によって冷却した水Wを、定められた温調液槽10に対してそれぞれ供給させる。【選択図】図1
Resumen de: JP2025065057A
【課題】小型で高出力化が可能な電池を提供する。【解決手段】負極2に負極流体5を流し、正極3に正極流体6を流して酸化還元反応により発電する少なくとも2つ以上のセル1を含む電池10のセル1は、負極2及び正極3の間に設けられたイオン交換膜4と、負極2に設けられ負極流体5が流れる負極プレート20と、正極3に設けられ正極流体6が流れる正極プレート30と、負極プレート20に支持された第一電極2Aと、正極プレート30に支持された第二電極3Aと、を備え、第一電極2A及び第二電極3Aは、隣り合うセル1の第一電極2A又は第二電極3Aと負極流体5又は正極流体6を挟んで向かい合って配置されている。【選択図】図1
Resumen de: JP2025064575A
【課題】厚みの増加やコストアップを抑制しつつ、熱交換性能を向上させることができる熱交換器の提供。【解決手段】熱交換器は、底板部と側壁部とを有するハウジングと、底板部と間隔をおいて対向するようにハウジングに固定される中板と、中板と間隔をおいて対向するようにハウジングの側壁部に固定される蓋板と、ハウジングの少なくとも底板部に形成された底スリット、中板に形成された中スリットおよび蓋板に形成された蓋スリットに差し込まれると共に、底板部、中板および蓋板の各々に接合される仕切り板と、ハウジングの底板部および側壁部、中板並びに仕切り板により画成され、加熱媒体および加熱対象の一方が流通する第1通路と、ハウジングの側壁部、中板、蓋板および仕切り板により画成され、加熱媒体および加熱対象の他方が流通する第2通路とを含む。【選択図】図3
Resumen de: JP2025064229A
【課題】結晶面、及び径が制御された酸化第一銅粒子を、高い収率で、かつ、簡便に製造することができる、酸化第一銅粒子の製造方法を提供する。【解決手段】酸化第一銅粒子の製造方法であって、溶媒に溶解しているヒドラジン化合物と、前記溶媒中に銅カルボキシル化合物の固相、及び液相が共存する該銅カルボキシル化合物と、を反応させることにより、酸化第一銅粒子を作製する。【選択図】図1
Resumen de: WO2025076574A1
The present invention relates to an articulated lorry (10) comprising: a drive unit, which has a fuel cell (26), a fuel cell cooling system (12), which has a coolant circuit (30) for guiding a cooling medium, and a pump (32) for circulating the cooling medium, a fifth-wheel plate (14) with a fifth-wheel coupling for receiving a kingpin and with a coolant duct (19) integrated in the fifth-wheel plate (14), the coolant circuit (30) connecting the fuel cell (26) and the fifth-wheel plate (14) to each other via the coolant duct (19).
Resumen de: WO2025078374A1
The invention relates to a method for operating an air system (1), comprising - at least one supply air path (2) for supplying air to at least one fuel cell stack (3) and at least one exhaust air path (4) for discharging exhaust air emerging from the fuel cell stack (3), the air supplied to the at least one fuel cell stack (3) being humidified using the exhaust air from the same fuel cell stack (2) or another fuel cell stack (2), and liquid water (5) contained in the exhaust air being first removed using a water separator (6). The invention also relates to an air system (1), and to a fuel cell system having an air system (1) according to the invention.
Resumen de: WO2025078376A1
The invention relates to an electrical architecture for a vehicle, comprising a propulsion electrical network (10L,10R) and a non-propulsion electrical network (20), the propulsion electrical network comprising at least one first fuel cell assembly (30L, 30R) and a propulsion electric motor (1L, 1R) connected to the first fuel cell assembly comprising at least one first fuel cell (31L ,31R) and first auxiliary electrical equipment (32L, 33L, 34L, 32R, 33R, 34R), the non-propulsion electrical network comprising a second fuel cell assembly (40L, 40R) comprising at least one second fuel cell (41L, 41R) and second auxiliary electrical equipment (42L, 42R). The architecture comprises at least one electronic control unit connected to the fuel cell assemblies (30L, 30R, 40L, 40R) in order to selectively control same in two starting phases and a nominal operating phase. The invention also relates to an aircraft comprising such an architecture.
Resumen de: WO2025078350A1
The present invention provides a facility for producing electricity comprising a non-galvanic fuel cell (1) whose heat is recovered for implementing endothermic chemical reactions (310-312) which generate at least part of the fuel of the fuel cell, which offers greater efficiency and flexibility than those of prior art. Such an improvement is provided in particular with means for storing (318) at least part of the fuel coming from the chemical reactor (310) and means (141, 320) for introducing on demand said fuel from said tank (318) to said fuel cell (1). The fuel storing means (318) allow great flexibility: the fuel produced by the chemical reactor may thereby not be used immediately by the fuel cell (1) - this allows for adaptation of the production of electricity of the fuel cell to the external demand.
Resumen de: WO2025076567A1
The present invention relates to a control method for power generation of a fuel cell system (100) having a reformer device (20) for reforming a combustible (K) into a fuel (B) for at least one fuel cell (10). The adjustment method comprises, inter alia, the step of: controlling (S40) an output current (I) of an output power (P) to a specific adjustment value (EI) in order to adapt the output power (P) to the power requirement (L) by controlling the combustible mass flow (KM).
Resumen de: WO2025078290A1
The invention relates to an electrical architecture for a vehicle, comprising: a propulsive electrical network (10L, 10R) comprising at least one fuel cell (30L, 30R) and an electric propulsion engine (1L, 1R) connected to the fuel cell, and a non-propulsive electrical network (2200) comprising a battery (50) and a first electric generator/engine (23L, 23R) connected to the battery. The fuel cell comprises at least one motion transmission chain comprising at least one second electric generator/engine (332L, 332R) mechanically connected to a first fluid-circulation member (331L, 331R). The first generator/engine is mechanically connected to the motion transmission chain by a motion transmission line (40L, 40R). The architecture comprises at least one electronic control unit connected to the generators/engines and arranged to actuate them selectively in a starting mode and in a nominal mode. The invention also relates to aircraft including such an architecture.
Resumen de: WO2025078289A1
The invention relates to an electrical architecture for a vehicle, comprising: at least one non-propulsive electrical network comprising at least one battery (50) and a first electric generator/motor (23L, 23R) connected to the battery; and at least one propulsive electrical network (10L, 10R) comprising at least one fuel cell (30L, 30R) and a second electric generator/motor (1L, 1R), electrically connected to the fuel cell. The first generator/motor is mechanically connected to a motion transmission line (40L, 40R) comprising a speed multiplier member mechanically connected to the second electric generator/motor (1L, 1R). The architecture comprises at least one electronic control unit connected to the generators/motors (23L, 23R, 1L, 1R) and arranged to control them selectively in a starting mode and in a nominal mode. The invention also relates to aircraft comprising such an architecture.
Resumen de: WO2025078194A1
A power system (100, 200) for generating electrical power is described. The power system (100, 200) includes a power generating system (110, 210) having an air intake (114) and an exhaust gas outlet (111) and an electric turbomachine (120, 220). The electric turbomachine includes a turbine (121) comprising a turbine inlet (126) in fluid communication with the exhaust gas outlet (111) of the power generating system (110, 210); and an electric machine (123, 223) configured to drive the compressor (122) and/or generate electric energy from the turbine (121). The power system further includes a control unit (140) for controlling operation of the power generating system (110, 210) and the electric turbomachine (120, 220).
Resumen de: US2025125453A1
A power transmission unit and a method for controlling the current flowing through it are disclosed. The power transmission unit includes a first switch which is turned on and off at a first duty cycle; a second switch which is turned on and off at a second duty cycle that is less than the first duty cycle; an inductive element connected between the first switch and the second switch, with its current associated with the first and second duty cycles; and a controller configured to determine a total duty cycle as the sum of the first and second duty cycles based on an actual phase current and a desired phase current of the inductive element, and to adjust the first and second duty cycles based on the determined total duty cycle. Embodiments of the present disclosure adjust both the first and second duty cycles through the total duty cycle, which changes with the total duty cycle, allowing both the first and second duty cycles to be adjusted to appropriate values. This ensures that the current flowing through the inductive element reaches an appropriate value, thereby enabling small current control.
Resumen de: US2025125383A1
A cooling system for a fuel-cell system onboard a vehicle such as an aircraft in one embodiment employs the latent heat of evaporation of a two-phase coolant to reduce mass and parasitic power requirements of the cooling system. In another embodiment the cooling system has a primary ambient air heat exchanger coolant loop for cooling the fuel-cell system, and a secondary coolant loop comprising a fluid circuit configured to circulate a coolant in thermal contact with a phase-change material (PCM) in thermal contact with the fuel-cell to absorb heat from the fuel-cell. The secondary coolant loop includes a heat pump for cooling the PCM.
Resumen de: US2025121739A1
Methods and systems for managing power of a hybrid vehicle that includes a fuel cell and a traction battery are described. In one example, cooling of the battery and fuel cell may be adjusted preemptively before the hybrid vehicle reaches high load conditions to extend fuel cell durability over its life span, meanwhile the hybrid vehicle may meet driver demand for a longer period of time while operating at the high load and high ambient temperature conditions.
Resumen de: US2025121770A1
A motor vehicle includes a fuel cell and a supply assembly to supply the fuel cell is disclosed. The supply assembly comprises a centrifugal compressor to compress a reagent and comprising an impeller having in turn a shaft portion extending along an inlet axis, a circumferential edge extending ringwise around the inlet axis, a connecting portion extending from the shaft portion to the circumferential edge, first and second blades projecting from the connecting portion, of which each of the second blades is arranged between two corresponding blades to form two respective radial flow channels for the reagent, wherein the first and second blades have respective profiles along respective curvilinear abscissae with shapes equal to each other and located uniformly distributed according to a period or angular step around the inlet axis, wherein the profiles of the second blades are shorter than those of the first blades.
Resumen de: DE102023209957A1
Die vorliegende Erfindung betrifft ein Brandschutzsystem (1) zur Reduzierung einer Brandgefahr in einem Schutzraum, wobei das Brandschutzsystem (1) aufweist:- eine Brennstoffzelle (3) mit einem von einem Anodenausgang (27) streng getrennten Kathodenabgasausgang (25) zur Bereitstellung eines sauerstoffreduzierten Kathodenabgases mit einem Sauerstoffgehalt von höchstens 15,0 Vol.-% am Kathodenabgasausgang (25),- ein stromabwärts des Kathodenabgasausgangs (25) angeschlossenes Trocknungssystem (35) zum Trocknen des sauerstoffreduzierten Kathodenabgases, bevor das sauerstoffreduzierte Kathodenabgas in den Schutzraum (54) eingeleitet wird, und- ein Kontrollsystem (51), das dazu eingerichtet ist, einen aktuellen Taupunkt des vom Trocknungssystem (35) getrockneten, sauerstoffreduzierten Kathodenabgases zu bestimmen und das getrocknete, sauerstoffreduzierte Kathodenabgas nur dann in den Schutzraum (54) einzuleiten, wenn der aktuelle Taupunkt unterhalb eines einstellbaren maximalen Taupunkts liegt.
Resumen de: US2025121325A1
Electrochemistry-based systems and methods for capturing carbon dioxide from ambient air and other carbon dioxide sources are disclosed.
Resumen de: US2025123029A1
A heat generating device includes: a heat generating element that is capable of occluding hydrogen and generating heat using a heat generating reaction by quantum diffusion of the hydrogen; a heater that heats the heat generating element to cause quantum diffusion of the hydrogen in the heat generating element; a container that accommodates the heat generating element and the heater; a heat removal medium circulation unit that circulates a heat removal medium through a circulation path provided on an outer periphery of the container; an inert gas supply unit that supplies an inert gas for cooling the heat generating element into the container; a coolant supply unit that supplies a coolant for cooling the heat generating element into the container; and a container opening unit that opens the container.
Resumen de: US2025123233A1
Various embodiments of an apparatus, methods, systems and computer program products described herein are directed to a Sensor for monitoring acetone emitted from the surface of the skin. The Sensor includes a gas impermeable enclosure and a carbonate removal cell enclosed within the gas impermeable enclosure. A gas permeable membrane houses the gas impermeable enclosure. A fuel cell anode is situated adjacent to the gas permeable membrane. At least a portion of a reference electrode is enclosed by a first portion of the fuel cell anode. A bottom surface of the carbonate removal cell is composed of a top surface of a second portion of the fuel cell anode. A top surface of the reference electrode and a top surface of the first portion of the fuel cell anode are in contact with a bottom surface of the gas permeable membrane.
Resumen de: US2025125452A1
Battery packs for a plurality of batteries are disclosed. The battery packs can be particularly suitable for metal-air batteries and can include channels for air and channels to replenish electrolyte. The battery packs can further include electronic circuitry to switch one or more batteries from series to parallel or parallel to series. The battery parks can recirculate the catholyte as cooling fluid. Methods of making and using the battery packs are further disclosed.
Resumen de: US2025125634A1
The invention relates to an energy supply system having energy supply modules which are connected in parallel and each controlled autonomously, the energy supply modules each including load connections, a battery which couples directly to the load connections, a fuel cell which couples to the load connections via a DC/DC converter, characterized in that, within an energy supply module, the operating point of the fuel cell and the operating point of the DC/DC converter are able to be controlled by an energy management system on the basis of a state of charge of the battery, and to a method for supplying energy.
Resumen de: US2025125381A1
A catalyst electrode including a metal layer and a catalyst layer formed on the metal layer is provided. The catalyst layer includes iridium and palladium. A membrane electrode assembly and a method for manufacturing a catalyst electrode are also provided.
Nº publicación: WO2025078786A1 17/04/2025
Solicitante:
JOHNSON MATTHEY PLC [GB]
JOHNSON MATTHEY PUBLIC LIMITED COMPANY
Resumen de: WO2025078786A1
A method of recycling a waste catalyst coated membrane material comprising an ionomer membrane, at least one catalyst comprising platinum, palladium and/or ruthenium, and at least one catalyst comprising iridium, the method comprising: (a) treating the waste catalyst coated membrane material with a heated solution comprising an acid and an oxidant, wherein the platinum, palladium and/or ruthenium is leached from the waste catalyst coated membrane material into the solution which is separated from remaining solid components of the waste catalyst coated membrane material; (b) after step (a), leaching iridium from the waste catalyst coated membrane material using a heated solution comprising an acid and a reducing agent and separating the solution comprising the leached iridium from remaining solid components of the waste catalyst coated membrane material; and (c) after steps (a) and (b), treating the waste catalyst coated membrane material with a heated solvent to disperse the ionomer membrane and recover a dispersion of ionomer.