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FUEL CELL SYSTEM WITH AUTOMATIC VALVE

Resumen de: EP4756938A1

0001 Die Erfindung betrifft ein Brennstoffzellensystem (1) mit einer Brennstoffzelle (2) und einer von der Brennstoffzelle (2) abgehenden Leitung (4), z.B. einer Rezirkulationsleitung, einer Drain-Leitung oder einer Purge-Leitung. In der abgehenden Leitung (4) ist ein Ventil (5) mit einer durch ein Verschlusselement (50) verschließbaren Auslassöffnung (51) angeordnet. Es wird vorgeschlagen, dass das Ventil (5) einen temperaturabhängig bewegbaren Aktor (52) aufweist, der dazu ausgebildet ist, bei Vorliegen einer vorbestimmten Temperatur in der abgehenden Leitung (4) eine Öffnungskraft (K) auf das Verschlusselement (50) aufzubringen.

TITANUIM PLATE FOR BIPOLAR PLATE WITH EXCELLENT SURFACE ELECTRICAL CONDUCTIVITY AND DURABILITY AND MANUFACTURING METHOD THEREOF

Resumen de: EP4756936A1

The present disclosure discloses a titanium sheet for a fuel cell separator having excellent surface conductivity and durability. The titanium sheet for a fuel cell separator, comprising: a base metal comprising, by weight percent (wt%), 0.001% to 0.09% of Si, 0.065% or less of Fe, and the balance of Ti and unavoidable impurities; and a surface oxide layer comprising, by weight percent (wt%), 0.20% or less of Si, 0.20% or less of O, and the balance of Ti and unavoidable impurities; wherein the surface oxide layer satisfies Formula (1) at a position where the oxygen (O) content is at its maximum within the surface oxide region, 0.05≤Si/Ti+O≤0.4 where Si, Ti, and 0 in Formula (1) represent the content (wt%) of each respective element at the position.

ARTICLES, SYSTEMS, AND METHODS FOR ELECTROCHEMICALLY GENERATING CHEMICAL PRODUCTS

Resumen de: WO2025034570A2

Some aspects of the present disclosure are generally directed to systems for electrochemically generating compounds, for example, for generating hydrogen peroxide or other applications. In some cases, the systems may include electrodes containing a substrate comprising non-woven fibers comprising carbon, PTFE particles on the substrate, and/or an active material, for example, carbon particles, on the substrate and/or the PTFE. In some embodiments, the systems may generate and/or flow a two-phase solution over and/or through at least a portion of an electrode. Some systems using the electrode structures and/or two-phase solution may promote the formation of three-phase boundaries, and thus may facilitate the electrocatalytic generation of certain compounds at the three-phase boundaries. Still other aspects are directed to methods of making and/or using the systems, or the like.

INTEGRATED MEMBRANE ELECTRODE FOR WATER ELECTROLYSIS AND FUEL CELL, AND PREPARATION METHOD

Resumen de: EP4756943A1

0001 An integrated membrane electrode for water electrolysis and a fuel cell, and a preparation method. The integrated membrane electrode comprises an enhanced proton exchange membrane, and a catalytic layer having high proton transmission efficiency. In a preparation process, a support body is subjected to compatibility modification treatment, then a coating process is used on two sides to prepare a proton exchange membrane compact layer and a catalytic layer, to implement integrated preparation of a membrane electrode CCM. A large quantity of nano-scale water-retaining functional particles are uniformly distributed in a reinforcing body and the catalytic layer of the prepared integrated membrane electrode, and the proton exchange membrane uses a short side chain resin. The configuration of the described structure can facilitate improvement of the mechanical strength of membrane electrode CCM, reduce thickness of the CCM, improve the electrical conductivity thereof, and simultaneously be compatible with membrane electrode performance requirements for water electrolysis and fuel cells in high and low temperatures and different humidity environments, hereby simplifying the preparation process.

RECYCLING OF SOLID IONOMER COMPONENTS

Resumen de: WO2025032303A1

A method of recycling a solid ionomer material contaminated with seal material used for mounting the solid ionomer material in use, the method comprising: heating the solid ionomer material in a solvent to disperse the solid ionomer material forming a dispersion of ionomer in the solvent, the dispersion also containing one or more breakdown products from the seal material; adding an acid to the dispersion to reduce the pH of the dispersion and precipitate the one or more breakdown products; and separating the precipitated breakdown products from the dispersion.

AIRFLOW DISTRIBUTION DEVICE AND ELECTROCHEMICAL ENERGY CONVERSION DEVICE COMPRISING SAME

Resumen de: EP4756944A1

A gas flow distribution device and an electrochemical energy conversion device including the same. The gas flow distribution device includes a body (1), where the body (1) includes a first end face (13) and a second end face (14) arranged opposite each other, an exhaust passage (2) running through the first end face (13) and/or the second end face (14) is provided in the body (1), a pressure drop generating passage (3) is also provided in the body (1), two ends of the pressure drop generating passage (3) are in communication with the exhaust passage (2) and an outer side wall of the body (1), respectively, and the exhaust passage (2) is also in communication with a stack (8).

CELL AND ELECTROCHEMICAL DEVICE, IN PARTICULAR A FUEL CELL

Resumen de: WO2025027197A1

The electrochemical device comprises a stack of electrochemical cells (5), each comprising: anode/cathode separator plates (15, 17) that comprise, between the homogenisation zone (43, 57) and the active zone (39, 53), an intermediate zone (45, 59) with intermediate channels (47, 61); wherein the edge (21) of the frame (19) is positioned between the membrane (9) and the gas diffusion layers (11), between the intermediate anode zone (45) and the intermediate cathode zone (59); wherein the intermediate cathode channels (61) have, in a transverse direction, a first cathode width greater than that of the intermediate anode teeth (69) and the intermediate anode channels (47) have, in a transverse direction, a second anode width greater than the width of the intermediate cathode teeth (71); and wherein each intermediate anode tooth (69) is positioned opposite an intermediate cathode channel (61) and each intermediate cathode tooth (71) is positioned opposite an intermediate anode channel (47).

PIPERIDINIUM-CONTAINING POLYMERS

Resumen de: US2025041843A1

0000 Polymers with piperidinium-functionalized groups are provided. The hydroxide (anion) exchange membranes or hydroxide (anion) exchange ionomers formed from these polymers exhibit superior chemical stability, hydroxide conductivity, decreased water uptake, good solubility in selected solvents, and improved mechanical properties upon tuning the polymer structure the combination and ratios of various aromatic and ketone units.

RECYCLING OF WASTE SOLID IONOMER COMPONENTS

Resumen de: WO2025027280A1

A method of forming an ionomer blend during a process of recycling waste solid ionomer material, the method comprising: heating the waste solid ionomer material in a solvent to disperse the waste solid ionomer material; and mixing ionomer from the waste solid ionomer material with a second ionomer material to co-mingle ionomer from the waste solid ionomer material with ionomer from the second ionomer material forming a co-mingled ionomer blend during the process of recycling the waste solid ionomer material.

CARTRIDGE FOR FUEL CELL HUMIDIFIER, AND FUEL CELL HUMIDIFIER

Resumen de: EP4756939A1

The present invention relates to a cartridge for a fuel cell humidifier and a fuel cell humidifier. The cartridge is for using wet gas to humidify dry gas to be supplied to a fuel cell stack, and comprises: an inner case having openings at both ends; a plurality of hollow fiber membranes accommodated within the inner case; a first fixing layer for fixing one side of the hollow fiber membranes; a second fixing layer for fixing the other side of the hollow fiber membranes; and a plurality of first coating parts attached to one side of each of the hollow fiber membranes and coupled to the first fixing layer so as to protrude from the first fixing layer toward the second fixing layer, wherein each of the first coating parts is formed to have a lower hardness than the first fixing layer.

ELECTROLYTE STORAGE TANK

Resumen de: EP4755820A1

Disclosed is an electrolyte storage tank, which comprises a tank body comprising an inner chamber, the tank body being provided with a liquid inlet and a liquid outlet which are in communication with the inner chamber, the tank body being formed of acid-resistant concrete by means of pouring, and the inner chamber of the tank body being configured to store an electrolyte.

HYDROGEN SUPPLY SYSTEM, METHOD FOR CONTROLLING THE PRESSURE IN A HYDROGEN TANK OF A HYDROGEN SUPPLY SYSTEM, AND DRIVE SYSTEM

Resumen de: CN121620663A

The invention relates to a hydrogen supply system (10) for a hydrogen-powered drive (12), in particular a fuel cell stack (14), of a motor vehicle, having at least one hydrogen tank (16) for cryogenically storing hydrogen and for supplying the hydrogen-powered drive (11), having a first heat transfer unit (18) for preheating the hydrogen for a cathode (20) of the hydrogen-powered drive (11), a first hydrogen supply path (24) between at least one hydrogen tank (16) and the first heat transfer unit (18) and a second hydrogen supply path (26) between the first heat transfer unit (18) and an interface (28) for connection to a hydrogen drive (11). According to the invention, a heating circuit (30) is provided, the heating circuit (30) having a second heat transfer unit (32), the second heat transfer unit (32) being arranged in the at least one hydrogen gas tank (16), the second hydrogen gas supply path (26) and the second heat transfer unit (32) being fluidically connected via a heat introduction line (34) of the heating circuit (30), and the heating circuit (30) being arranged in the at least one hydrogen gas tank (16). The second heat transfer unit (32) and the first hydrogen supply path (24) are fluidly connected via a heat discharge line (36) of the heating circuit (30).

A BATTERY PACK ASSEMBLY FOR PROVIDING STRUCTURE AND SUPPORT, COOLANT CIRCULATION AND ELECTRICAL CONNECTIONS TO A PLURALITY OF BATTERY CELLS

Resumen de: US2025046913A1

A battery pack structural and electrical assembly for circulating a coolant fluid is disclosed. The battery pack assembly includes a top cooling fluid distribution manifold attached to the top of a plurality of battery cells and a bottom cooling fluid distribution manifold that is attached to the bottom of the battery cells. A coolant fluid is circulated through the manifolds for cooling the battery cells directly. Electrical connections to the battery cells can be integrated into the manifolds for also efficiently providing electrical connections to the batteries. In addition, the battery assembly provides significant impact resistance for protecting the battery cells.

USE OF POLYBENZIMIDAZOLE AS MECHANOCHROMIC MATERIAL

Resumen de: EP4755947A1

The invention relates to the technical field of mechanochromic materials, and discloses use of polybenzimidazole as a mechanochromic material.

MULTI-OBJECTIVE POWER ALLOCATION AND HEAT RECOVERY OPTIMIZATION OF SOLID OXIDE FUEL CELLS (SOFC) INCLUDING REAL TIME HEALTH MANAGEMENT FOR SHIP POWER SYSTEMS

Resumen de: CN121693807A

A system for controlling a vessel, the system comprising a plurality of devices, the plurality of devices comprising a plurality of solid oxide fuel cells (SOFCs); the system also includes at least one processor that calculates a device score value for the device; the system further includes a control unit connected to the device, and the control unit is configured to calculate an efficiency score value based on the device score value, the efficiency score value defining an efficiency of the system; the system is further configured to: calculate a capacity of the system based on the device and state; calculating a capacity margin index representing the capacity of the system equipment according to preset scores corresponding to various operation modes, and calculating the efficiency value and the capacity value; the status from the fuel cell includes a health characterization index.

POWER UNIT

Resumen de: GB2632288A

A power unit for power generation in aerospace and other systems comprises a power generation device 101, such as a fuel cell, gas turbine or internal combustion engine, coupled to a liquid hydrogen reservoir 102 via a first conduit 105 and to an oxygen supply 108 via a second conduit 107. A heat exchanger 106 is provided between the two conduits, and a separator 109 is present in the second conduit for separation and removal of gas, especially gaseous nitrogen, from liquid oxygen. The heat exchanger exchanges heat between hydrogen flowing in the first conduit and oxygen flowing in the second conduit, which cools the oxygen while heating the hydrogen. The separator may be provided with a third conduit 110 for directing gas removed from the second conduit to be vented, or to an auxiliary unit, e.g. a fire prevention device when the gas is nitrogen, a cooling device for cooling an electric component such as an electric motor (301, figure 3) or a de-icing system.

SOLID OXIDE ELECTROLYTE ELECTROCHEMICAL REACTOR COMPRISING A HEATING DEVICE

Resumen de: WO2025026870A1

The invention relates to a solid oxide electrochemical reactor comprising: – at least one stack (2) of solid oxide electrochemical cells (3) arranged in a thermal chamber (4), each of these electrochemical cells (3) comprising a solid electrolyte layer arranged between two electrode layers; and – a device for heating the stack (2) to an operating temperature. The heating device comprises: – at least one heating plate (9) arranged in the stack (2), a susceptor insert being arranged at least partially in the heating plate (9); and – at least one induction coil (10) arranged outside the stack (2), facing the heating plate (9).

SCALABLE ELECTROLYSIS CELL AND STACK AND METHOD OF HIGH-SPEED MANUFACTURING THE SAME

Resumen de: EP4756082A2

An electrolyzer stack is configured for high-speed manufacturing and assembly of a plurality of scalable electrolysis cells. Each cell comprises a plurality of water windows configured to maintain a pressure loss, temperature rise and/or oxygen outlet volume fraction below predetermined thresholds. Repeating components of the cells are configured based on a desired roll web width for production and a stack compression system is configured to enable a variable quantity and variable area of said repeating cells in a single stack. A high-speed manufacturing system is configured to produce scalable cells and assemble scalable stacks at rates in excess of 1,000 MW-class stacks per year.

FUEL CELL VEHICLE THERMAL MANAGEMENT SYSTEM AND METHOD FOR MANAGING FUEL CELL THERMAL LOADS

Resumen de: EP4756999A2

0001 The present disclosure provides a method of managing thermal loads in a fuel cell vehicle. The method may comprise heating a fuel cell coolant of a fuel cell coolant loop utilizing waste heat from a fuel cell to form a heated fuel cell coolant, heating a battery coolant of a battery coolant loop utilizing waste heat from a battery to form a heated battery coolant, heating a refrigerant of a battery refrigeration loop by exchanging heat with the heated battery coolant, and superheating the refrigerant of the battery refrigeration loop by exchanging heat with the heated fuel cell coolant.

DEVICE FOR IMPROVING FUEL COMBUSTION EFFICIENCY

Resumen de: WO2025027667A1

The present invention relates to a device (1) for improving fuel combustion efficiency, the device comprising a tank (2) with a KOH solution in distilled water mountable on a car, an electrolytic cell (3) arranged inside said tank (2) and fixed to a lower base (24) of said tank (2) through fixing means (35) and adapted to produce a gaseous mixture of hydrogen and oxygen by electrolytic decomposition of the distilled water present in said tank (2), said electrolytic cell (3) comprising electrical connection means adapted to connect said electrolytic cell (3) to an alternator of said car, said electrolytic cell (3) comprising a casing, said casing comprising a lower portion (31), an upper portion (32), lateral portions (36), at least one opening positioned on said upper portion (32) for the exit of said gaseous mixture and a plurality of electrolytic plates (34), said electrolytic plates (34) being arranged vertically and parallel to each other, thus defining a plurality of spaces (37), connections for supplying the gaseous mixture of hydrogen and oxygen, produced by said electrolytic cell (3), to an intake manifold of said car, characterised in that said electrolytic cell (3) comprises at least one hole (33) positioned on said lower portion (31) in each space (37) of said plurality of spaces (37) between said electrolytic plates (34).

FUEL CELL CONTROL SYSTEM, FUEL CELL CONTROL METHOD, AND ELECTROCHEMICAL DETECTION APPARATUS

Resumen de: EP4756941A1

0001 A fuel cell control system, which includes an electrochemical detection apparatus, a control apparatus and a power converter, and is used for coupling a fuel cell to supply power to a load. The electrochemical detection apparatus includes a sensing apparatus and a processor. The sensing apparatus is used for sensing a cell current and a cell voltage. The processor is used for executing electrochemical analysis on the basis of the cell voltage and the cell current, and determining a water content state of the fuel cell. The control apparatus is used for adjusting a fuel state of the fuel cell when the water content state is a dry film state or a water-saturated state. The power converter is used for determining a loading condition of the fuel cell, and generating output power on the basis of the cell voltage and the cell current when the water content state is in a normal state, wherein the cell voltage and the cell current are related to the loading condition. The present disclosure further relates to a fuel cell control method and an electrochemical detection apparatus.

PHASE INVERSION TECHNIQUES IN MEMBRANE ELECTRODE ASSEMBLY MANUFACTURE AND RELATED METHODS

Resumen de: EP4756075A1

0001 The present invention is related to the field of membrane electrode assembly manufacture. It provides a method for true zero-gap membrane electrode assembly, comprising casting an electrode slurry onto an electrode separator slurry or an electrode separator to form a combination (100), followed by a phase inversion step that induces the formation of the membrane electrode assembly in situ (102). The electrode separator can be a polymeric, polymer-inorganic composite, cation exchange, anion exchange, bipolar or amphoteric membrane. The electrode slurry may include an anode or cathode slurry, and can contain a catalyst, binder, or conductive material. The phase inversion step involves exposing the combination to a non-solvent, such as water or alcohols, at temperatures ranging from about -10 °C to about 100 °C.

système motopropulseur pour un véhicule automobile comprenant une pile à combustible et un moteur à combustion interne

Resumen de: FR3169114A1

Système motopropulseur pour un véhicule automobile comprenant une pile à combustible et un moteur à combustion interne Système motopropulseur (1) pour un véhicule automobile, comprenant :- un réservoir (5) destiné à contenir de l’hydrogène,- une pile à combustible (7), la pile à combustible comprenant un circuit anodique pourvu d’une première entrée (11) et d’une première sortie (12), un circuit cathodique pourvu d’une deuxième entrée (13) et d’une deuxième sortie (14), - un moteur à combustion interne (4) comprenant une première entrée (41), une deuxième entrée (42), et une sortie d’échappement,- une première conduite (51) reliant hydrauliquement la première entrée (11) de la pile à combustible à la deuxième entrée (13) de la pile à combustible, et- une deuxième conduite (53) reliant hydrauliquement la deuxième sortie (14) de la pile à combustible à la première entrée (41) du moteur à combustion interne. Figure pour l’abrégé : figure 1

用于借助技术部件改进地操控技术系统的方法

Resumen de: WO2025087951A1

The present invention relates to a method (100) for improved control of a technical system (40) by means of a technical component (30), having the following steps: - detecting (102) first data (32) relating to the technical component (30) by means of a data control unit (50), wherein the first data (32) are used to determine a characteristic operating behavior of the technical component (30); - transmitting (104) the first data (32) via a first interface (57) to a first cloud-based data processing unit (70); - generating (106) second data (33) by processing the first data (32) in the first cloud-based data processing unit (70); - transmitting (108) the generated second data (33) via a second interface (75) to a second cloud-based data processing unit (80); - processing (110) the second data (33) using a data-based algorithm (84) stored in the second cloud-based data processing unit (80), in order to generate third data (34); - transmitting (112) the generated third data (34) via a fourth interface (87) to the data control unit (50); and - at least partially replacing (114) the preset first data (32) relating to the technical component (30) with the generated third data (34) in order to thus improve the control of the technical system (40) by means of the technical component (30).

一种氢燃料电池氢气回收装置

Nº publicación: CN224328697U 05/06/2026

Solicitante:

协氢（上海）新能源科技有限公司

Resumen de: CN224328697U

本实用新型公开了一种氢燃料电池氢气回收装置，涉及氢燃料电池技术领域，包括氢燃料电池主体和回收箱，所述氢燃料电池主体的两侧分别设置有氧气进气管和氢气进气管，所述氢燃料电池主体下端的一侧设置有排水口，所述回收箱的内部设置有气液分离器，所述气液分离器的一侧设置有排水管，所述排水管与排水口对应设置，所述回收箱的底部设置有排水腔，所述回收箱的上方设置有第一连接管，且第一连接管的两端分别与氢气进气管和回收箱连接为一体，所述第一连接管上设置有第一单向阀，且第一单向阀与第一连接管设置为一体，该氢燃料电池外设回收结构，对反应产生的水分离处理，将混有的氢气分离收集再次利用，提高氢气利用效率。