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FUEL CELL STACK ASSEMBLY

Resumen de: WO2026059482A1

Fuel cell stack assembly (1) comprising a fuel cell stack for generating electric energy and a housing (15) for housing the fuel cell stack, wherein the fuel cell stack comprises at least a plurality of alternatively arranged bipolar plates and membrane electrode assemblies stacked in a stacking direction, which form an energy-generating cell stack body (11 ). The fuel cell stack assembly (1 ) further comprises first and second endplates (10, 12) sandwiching the cell stack body (11) in the stacking direction, and at least one clamping element (6) which is adapted to clamp the cell stack body and the first and second endplate together for forming a fuel cell stack subunit (13). The fuel cell stack subunit has open sides (5), at which the cell stack body is exposed to an environment, and two of these open sides are covered by the endplates, wherein at the remaining open sides of the cell stack body a plate element (4) is arranged which covers at least partly and/or entirely the respective open sides of the stack on which it is arranged for preventing the cell stack body (11) from being touched.

複数個の加湿モジュールが並列連結された燃料電池用膜加湿器

Resumen de: CN121002684A

There is provided a fuel cell membrane humidifier having a plurality of humidification modules connected thereto, including: a first humidification module including a first air inlet on one side thereof, a first air outlet on the other side thereof, and a first intermediate housing in which at least one humidification membrane is disposed; a second humidification module including a second air inlet on one side thereof, a second air outlet on the other side thereof, and a second intermediate housing in which at least one humidification membrane is disposed; and a connecting member including a first coupling hole into which the first humidification module can be inserted and a second coupling hole into which the second humidification module can be inserted.

MANAGING A FUEL CELL SYSTEM IN A FUEL CELL VEHICLE

Resumen de: WO2024235430A1

A system and method for controlling operation of a fuel cell system of a fuel cell vehicle are provided. The fuel cell system comprises a fuel cell stack comprising an anode side and a cathode side, and a hydrogen storage device for storing hydrogen supplied to the anode side of the fuel cell stack. The method comprises estimating a duration of a stopover of the vehicle when a request to shut down the fuel cell system is received, estimating a hydrogen protection time at least due to a first hydrogen refill comprising supplying the hydrogen to the anode side of the fuel cell stack from the hydrogen storage device, and determining, based at least on the estimated duration of the stopover and the hydrogen protection time, whether to enable or disable one or both the first hydrogen refill operation and at least one subsequent hydrogen refill operation.

燃料電池セルの製造方法

Resumen de: JP2026049297A

【課題】ガス漏れの発生を抑制することができる燃料電池セルの製造方法を提供する。【解決手段】凸部及び凸部に隣接してガスケットを跨ぐように配置される凹部を有する金型により加熱プレスして燃料電池セルを製造する方法であって、２つのセパレータの間に熱可塑性樹脂を具備するシートを配置し、金型により２つのセパレータを挟んで押圧して加熱する加熱プレスする工程を含み、金型の凸部により押圧された熱可塑性樹脂の一部を凹部が具備された位置に移動させる。【選択図】図３

FLUID ADDITIVES FOR REGENERATIVE FUEL CELLS

Resumen de: EP4712174A1

A regenerative fuel cell has one half-cell which produces gas while charging and consumes the gas during discharge. The electrolyte liquid circulated through that half-cell contains a flexible long chain polymer or a viscoelastic surfactant. The half-cell is configured to compel the flow of electrolyte liquid to make repeated changes in direction and the flow rate is sufficient that elastic turbulence occurs. This dislodges bubbles of produced gas from the electrodes, maintaining more electrode surface available for reaction and enhancing efficiency. The other half-cell may also be in a state of elastic turbulence enhancing mass transport to and from its electrode surface

ELECTROCHEMICAL CELL STACK DISTRIBUTED IN SEPARATE GROUPS AND COMPRISING BIPOLAR PLATES WITH SHORT CIRCUIT FLOW REDUCTION

Resumen de: EP4712175A1

L'invention porte sur un empilement de cellules électrochimiques réparties en N groupes d'alimentation en les fluides réactifs. Chaque plaque bipolaire (1a) comporte N premiers collecteurs (4a, 4b) pour l'alimentation en le même premier fluide réactif, au moins une ligne d'étanchéité interne (5b), N premières lignes de joint (10a, 10b), et un compartiment d'homogénéisation (20). La ligne d'étanchéité interne (5b) est située entre le premier collecteur non-alimentant (4b) et la première ligne de joint (10b) associée. La première tôle (2) s'étend continûment entre les tunnels d'injection aval (14a, 14b) et le compartiment d'homogénéisation (20) en restant espacée de la deuxième tôle (3), de sorte que le premier fluide réactif s'écoule des tunnels d'injection aval (14a) dans le compartiment d'homogénéisation (20) en étant confiné entre les deux tôles (2, 3).

CORROSION-RESISTANT SYSTEM, CARBON-FREE POWER GENERATION AND FUEL CELL SYSTEM COMPRISING SAID CORROSION-RESISTANT SYSTEM, AND AMMONIA DECOMPOSITION METHOD

Resumen de: EP4711327A1

A corrosion-resistant system, a carbon-free power generation and fuel cell system comprising the corrosion-resistant system, and a method for ammonia decomposition utilizing said corrosion-resistant system are provided. The corrosion-resistant system includes: an ammonia supply unit; a first pipe connected to the ammonia supply unit; an ammonia decomposition unit comprising a chamber connected to the first pipe; and a second pipe connected to the chamber, wherein the chamber is configured to operate at an operating temperature of 410°C or lower, the first pipe and the chamber comprise at least one selected from the group consisting of carbon steel, low alloy steel, stainless steel and a nickel-based alloy, and the second pipe comprises a nickel-based alloy (NT) satisfying Equation 1 below. T≤15μm

AMMONIA SUPPLY SYSTEM, HYDROGEN PRODUCTION SYSTEM, CARBON-FREE POWER GENERATION SYSTEM, AND FUEL CELL SYSTEM UTILIZING SAID AMMONIA SUPPLY SYSTEM

Resumen de: EP4711328A1

Disclosed are an ammonia supply system, a hydrogen production system, a carbon-free power generation system and a fuel cell system. The ammonia supply system includes: an ammonia supply unit; an ammonia demand unit; a connection line that is arranged to connect the ammonia supply unit and the ammonia demand unit; a hydrogen supply unit; and one or more first hydrogen supply lines that are arranged to connect the hydrogen supply unit and the connection line, and are configured to supply a hydrogen gas stream, wherein the connection line includes a first pipe configured to be controlled to an average temperature of 410°C or lower and a second pipe configured to be controlled to an average temperature of greater than 410°C, and the second pipe includes a nickel-based alloy (NT) satisfying Equation 1 below. T≤15μm,

OPERATION MANAGEMENT DEVICE

Resumen de: EP4712293A1

Problem To provide an operation management device capable of ensuring the convenience of a power generation system by causing the power generation system to perform an operation suitable for a request to the power generation system in a predetermined case.Solution An operation management device manages an operation of a power generation system comprising an engine power generator and a fuel cell power generator, and the operation management device comprises a processing portion that operates one of the engine power generator and the fuel cell power generator when a required output of the power generation system is equal to or less than a first predetermined value.

SOLID OXIDE OXIDATION UNIT AND PRESSURE-RESISTANT FUEL CELL

Resumen de: EP4712176A1

The present invention relates to a oxide oxidation unit (600) for converting at least one reductant to thermal energy under the production of exhausts (G) and further exhausts (H) from a first supply flow (24) comprising an oxidant and a second supply flow (26) comprising the reductant, respectively; the solid oxide oxidation unit (600) comprising a duct wall (14) configured for separating the first supply flow (24) from the second supply flow and at least sectionwise comprising an electrolyte layer allowing for a transfer of ions of the oxidant to the reductant; wherein the duct wall (14) comprises an electrically conducting material (113) allowing for a transfer of electrons from the reductant to the oxidant for enabling a full oxidation of the reductant contained in the second supply flow (26). Furthermore, the present invention relates to a fuel cell arrangement (200) comprising at least one solid oxide oxidation unit (600) and at least one fuel cell setup (100) comprising a carrier structure (10) comprising a duct wall; wherein a primary power coating layer (28) is applied on a surface of the duct wall for being arranged between the first supply flow and the second supply flow; and wherein the primary power coating layer (28) is configured for generating electrical energy from the first supply flow and the second supply flow; to an energy supply system (300), comprising at least one solid oxide oxidation unit (600) and/or at least one fuel cell arrangement (200), and to

IMPROVEMENTS TO ELECTRO-SYNTHETIC OR ELECTRO-ENERGY CELLS

Resumen de: CN121399300A

An electrosynthetic or electrical energy cell is disclosed that includes a first gas diffusion electrode and a second electrode. A spacer, including but not limited to a porous capillary spacer, is at least partially positioned between the first gas diffusion electrode and the second electrode. In one form, the liquid electrolyte is transferred onto a side surface of the separator beyond the electrode. In one example, a liquid electrolyte reservoir is also provided in which the first gas diffusion electrode, the second electrode, and the spacer are positioned outside the liquid electrolyte reservoir. In one example, a liquid electrolyte reservoir includes an aperture for releasing a liquid electrolyte. In another form, an intermediate liquid supply structure is located at least partially between the spacer and the liquid electrolyte reservoir, where the liquid electrolyte is transferred through the intermediate liquid supply structure. Methods of operation and cell stacks are also disclosed.

Pump

Resumen de: GB2644122A

A bearing housing (93, Fig.7) for a hydrogen recirculation pump 1, comprising, a body (99, Fig.7) configured to receive one or more bearings (95, Fig.7), the one or more bearings being configured to support rotation of an impeller (29, Fig.7) about a longitudinal axis and a connecting flange (107, Fig.7) configured to engage the impeller , the connecting flange extending around and radially outward of the body; and wherein the connecting flange is offset along the longitudinal axis, from an axial midpoint of the body. Also disclosed are a hydrogen recirculation pump 1 and a modular form thereof, coupling members (49 , Fig.7), an impeller, a pump cover 3 and an adaptor 7.

ELECTROLYTE COMPOSITION FOR ALL-IRON REDOX FLOW BATTERIES

Resumen de: EP4712177A1

The invention provides an electrolyte for use in an all-iron redox flow battery, comprising an aqueous solution of an Fe²⁺ salt; a first cation additive being aluminium Al³⁺; and a second cation additive selected from the group consisting of Na⁺, K⁺, Ca²⁺, Mg²⁺ or NH₄⁺.

PRECIPITATE CONTROL, ACTIVE SPECIES CROSS-OVER MANAGEMENT AND REBALANCING STRATEGIES FOR REDOX FLOW BATTERIES

Resumen de: AU2024314248A1

Redox flow battery systems are described. The redox flow battery systems include a main cell and a three-chambered rebalancing cell. The system can optionally also include a two-chambered rebalancing cell. The three-chambered rebalancing cell and two-chambered rebalancing cell can be operated alternately, in parallel, or in series. Methods of operating the redox flow battery systems are also described.

COMPOSITE PROTON EXCHANGE MEMBRANE AND CATALYST-COATED COMPOSITE PROTON EXCHANGE MEMBRANE

Resumen de: CN121311631A

Composite proton exchange membranes are described. The composite proton exchange membrane comprises three layers, wherein the three layers comprise a proton exchange membrane layer, a continuous nonporous organic-inorganic composite coating layer and a continuous nonporous cross-linked polyelectrolyte multilayer coating. Catalyst coated membranes incorporating the composite proton exchange membranes and methods of making the composite proton exchange membranes are also described.

PRE-TREATED ION EXCHANGE RESIN FOR ALTERNATIVE ENERGY POWER SOURCE HEAT TRANSFER SYSTEMS WITH LOW CONDUCTIVITY COOLANT REQUIREMENTS

Resumen de: CN121100020A

Methods and apparatus for pre-treated ion exchange resins and their use in heat transfer systems, alternative power sources such as fuel cells, battery systems, and assemblies comprising such power sources. The apparatus may include a cooling system and a pretreated ion exchange resin. The pretreated ion exchange resin may include an ion exchange resin treated with a corrosion inhibitor and/or an antioxidant. The cooling system may include a heat transfer fluid. The heat transfer fluid may include water, a glycol-based freezing point depressant, and mixtures thereof. The glycol-based freezing point depressant may include ethylene glycol, propylene glycol, 1, 3-propylene glycol, and mixtures thereof. The cooling system may include an ion exchange unit. The ion exchange unit may include a pretreated ion exchange resin, an untreated ion exchange resin, a basic anion exchange resin, an acidic cation exchange resin, and mixtures thereof.

RECIRCULATION DEVICE FOR A FUEL CELL

Resumen de: WO2025031655A1

The present invention relates to a recirculation device (2) for a fuel cell (3). The recirculation device (2) has a drive (10), a conveying means (20) and a separation means (30). The drive (10) comprises a drive shaft (11). The conveying means (20) is coupled to the drive shaft (11) in such a manner that the conveying means (20) can be driven by the drive (10). The conveying means (20) is designed to recirculate a medium as recirculated material in the fuel cell (3). The separation means (30) is arranged upstream of the conveying means (20) in the flow direction of the recirculated material. The separation means (30) is coupled to the drive shaft (11) in such a manner that the separation means (30) can be driven by the drive (10). The separation means (30) is designed to separate liquid from the recirculated material.

DEVICE FOR CHECKING THE TIGHTNESS OF ELECTROCHEMICAL CELLS

Resumen de: WO2024230864A1

The invention relates to a device (1) for checking the tightness of electrochemical cells (2), in particular with regard to H2 tightness. The device has a chamber (3) for accommodating and checking at least one electrochemical cell (2). For the purpose of the check, the chamber (3) is subjected to a vacuum. A unit (6) for gas supply is provided, which supplies an electrochemical cell (2) to be checked with compressed air, as a result of which the interior of the electrochemical cell (2) is pressurized. This is made possible particularly advantageously in that the pressure difference between the interior of the cell (2) having the excess pressure and the chamber (3) having the vacuum is particularly high and is additionally varied periodically. As a result, there is a particular incentive for a periodically varying gas transfer between the interior of the cell (2) and the chamber (3) under vacuum, which allows for the tightness to be checked particularly advantageously and meaningfully. The pressure sensor (7) allows for a periodic pressure increase in the chamber (3) to be detected and to be analyzed by means of the control unit (8), and for meaningful information regarding insufficient tightness to be obtained, without interference by non-periodic interfering effects, and made available to the user. The device according to the invention can detect very minor leaks, which for example lead to leakage rates in the range of 10-4 mbar per liter of the volume and per second, and a

HYDROGEN CATALYST FOR VEHICLE COOLING

Resumen de: EP4711326A1

A hydrogen catalyst for vehicle cooling is described. A system may include a catalyst positioned in a flow path coupling a hydrogen storage tank to a hydrogen consumer, the catalyst configured to convert hydrogen fuel from a para state to an ortho state via an endothermic reaction. The system may further include a coolant circuit configured to circulate coolant through the hydrogen consumer and a coolant-fed heat exchanger configured to thermally couple the coolant in the coolant circuit to the hydrogen fuel, the coolant-fed heat exchanger arranged upstream of the hydrogen consumer in the flow path.

CASCADE HEAT EXCHANGER AND GAS KNOCKOUT FOR METAL AIR

Resumen de: CN121241467A

A metal-air battery equipped with a heat exchanger having air-side fins directly connected to a back plate and liquid-side fins thermally connected to the back plate. The liquid side fins receive the electrolyte from the overflow port and then direct the electrolyte into the electrolyte chamber. The liquid side cooling fins are composed of adjacent cooling fins which are arranged alternately, a certain angle (theta) is formed between the cooling fins, and gaps are formed between the cooling fins, so that electrolyte can flow on the adjacent cooling fins. The heat exchanger can perform degassing treatment on the electrolyte at the same time, and redundant heat is removed from the electrolyte.

METAL AIR BATTERY TURBINE ANODE DISC DRIVE SYSTEM

Resumen de: WO2024231783A1

This disclosure provides a rotary metal air battery system that rotates without using a rotary motor. A metal anode is rotated by impact of a liquid electrolyte on turbine blades disposed on a radial edge of the metal anode.

REINFORCED ION EXCHANGE MEMBRANES

Resumen de: CN121195365A

The present invention provides a separator for an electrochemical device, comprising: an ion exchange membrane comprising at least one first polymer having an acidic functional group A; and a fabric wherein the fabric comprises fibers, and wherein the surface of the fibers has a basic functional group C, and wherein the fabric supports an ion exchange membrane. The invention also provides a method for manufacturing the separator for the disclosed electrochemical device, a device comprising the separator for the disclosed electrochemical device and the use of the separator for the disclosed electrochemical device in an electrodialysis cell, in a fuel cell, in a PEM electrolysis device or in a redox flow battery.

DEVICE FOR FILTERING AMBIENT AIR

Resumen de: CN121100421A

The invention relates to a device (100) for filtering ambient air, comprising: a reactor (110) which is designed to carry out an electrochemical reaction of a reactant with an oxidizing agent, by means of which at least one liquid (230) can be produced as a product; the filtering system (200) is provided with a first liquid storage device (220); a first connection line (170) is formed between the reactor (110) and the first reservoir (220) through which the generated liquid (230) can flow from the reactor (110) to the first reservoir (220); the filtration system (200) is designed to bring ambient air into contact with the generated liquid (230) in the reservoir (220) so that impurities can be filtered from the ambient air; a second connection line (150) is formed between the filtration system (200) and the reactor (110), through which filtered ambient air of the filtration system (200) can be fed to the reactor (110) as an oxidizing agent for electrochemical reactions.

FUEL CELL DEVICE, METHOD FOR OPERATING A FUEL CELL DEVICE, AND USE OF A NERNST CELL UNIT OF A FUEL CELL SYSTEM

Resumen de: CN121195363A

The invention relates to a fuel cell device (10) having at least one line system (12) for conducting fuel; having at least one reformer (14) connected to the line system (12) for reforming the fuel; and at least one Nernst cell unit (16, 18), in particular a lambda sensor, for detecting a process fluid parameter of a fluid located in the line system (12). According to the invention, the Nernst cell unit (16, 18) is arranged upstream of the reformer (14).

DIAGNOSTIC METHOD AND MEASUREMENT ARRANGEMENT FOR A COMPONENT TO BE EXAMINED

Nº publicación: EP4710122A1 18/03/2026

Solicitante:

SCHAEFFLER TECHNOLOGIES AG [DE]
Schaeffler Technologies AG & Co. KG

Resumen de: CN121079603A

The invention relates to a method and a measuring device for diagnosing a component to be examined, comprising the following steps: operating the component (10) to be examined in a circuit (11) at a predefined operating point for a predefined first measurement interval (12); during the first measurement interval, a measurement signal and an excitation signal (13) are detected in the circuit as a function of time, the excitation signal being a signal of a passive component (14) in the circuit, which passive component is in a predetermined first excitation state (15) at the beginning of the first measurement interval, and the passive component is in a predetermined second excitation state (15) at the beginning of the first measurement interval. And the measurement signal is formed by superposing an excitation signal of the passive device and a working signal of the component to be inspected.