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Solicitudes publicadas en los últimos 15 días / Applications published in the last 15 days
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Solid electrochemical device

Publication No.:  GB2640063A 08/10/2025
Applicant: 
SUMITOMO ELECTRIC INDUSTRIES [JP]
Sumitomo Electric Industries, Ltd
GB_2640063_PA

Absstract of: GB2640063A

Provided is a solid electrochemical device comprising: a solid electrolyte which has a first main surface and a second main surface that is opposite from the first main surface; a first electrode which has a third main surface and a fourth main surface that is opposite from the third main surface and which is provided such that the third main surface faces the first main surface; a first current collector which has a fifth main surface and a sixth main surface that is opposite from the fifth main surface and which is provided such that the fifth main surface faces the fourth main surface; and a first interconnector which has a seventh main surface and which is provided such that the seventh main surface faces the sixth main surface, wherein the seventh main surface of the first interconnector is a flat surface, the first current collector includes a first porous metal body that has a three-dimensional network structure, and the fifth main surface has a plurality of first through-holes that are formed so as to extend along a first direction from the fifth main surface to the sixth main surface.

LIFESPAN PREDICTION METHOD, LIFESPAN PREDICTION DEVICE, AND POWER GENERATION SYSTEM

Publication No.:  EP4629357A1 08/10/2025
Applicant: 
PANASONIC IP MAN CO LTD [JP]
Panasonic Intellectual Property Management Co., Ltd
EP_4629357_PA

Absstract of: EP4629357A1

A life prediction method according to the present disclosure is a life prediction method for a field cell apparatus including power generation units each including a fuel cell. The life prediction method includes predicting a time when each of the power generation units of the fuel cell apparatus reaches an end of life, from a cumulative power generation time of the power generation unit of the fuel cell apparatus at which the power generation unit is determined to reach the end of life, and from a ratio of a number of the power generation units that generate power out of a total number of the power generation units of the fuel cell apparatus in a predetermined period.

RUBBER COMPOSITION AND RUBBER ARTICLE INCORPORATING SAME

Publication No.:  EP4628525A1 08/10/2025
Applicant: 
HUTCHINSON [FR]
HUTCHINSON
EP_4628525_PA

Absstract of: EP4628525A1

L'invention concerne une composition de caoutchouc à base d'au moins un copolymère EPM ou un terpolymère EPDM, et un article en caoutchouc l'incorporant, tel qu'un joint d'étanchéité ou un tuyau (10) e.g. pour un circuit d'air, d'eau ou de refroidissement équipant une pile à combustible.La composition comprend :- une charge comprenant un noir de carbone et une charge inorganique lamellaire,- un système d'aide à la mise en œuvre,- un système plastifiant, et- un système de réticulation comprenant un peroxyde,dans laquelle la composition comprend, en fractions massiques :28-32 % du noir de carbone, lequel est choisi parmiles noirs de série ASTM N600 ou N700, etceux présentant une surface spécifique de 15-25 m<2>/g, un indice d'adsorption d'iode de 16-24 mg/g et un indice d'absorption de DBP de 90-110 mL/100 g,10-20 % de la charge inorganique lamellaire,1,0-6,0 % du système d'aide à la mise en œuvre, lequel comprend un agent de recouvrement du noir de carbone, et10-22 % du système plastifiant.

HYBRID FUEL CELL SYSTEM AND OPERATING METHOD THEREOF

Publication No.:  EP4629476A1 08/10/2025
Applicant: 
CARRIER CORP [US]
Carrier Corporation
EP_4629476_PA

Absstract of: EP4629476A1

A hybrid fuel cell system (100) is disclosed. The hybrid fuel cell (100) comprises a fuel cell (102) adapted to supply power to a load (106). The hybrid fuel cell (100) further comprises an Electrical Air Compressor, EAC, unit (114) operatively coupled with the fuel cell (102). Also, the hybrid fuel cell (100) comprises an auxiliary power source (112) connected to the EAC unit (114) via a Direct Current to Alternating Current, DC-AC, converter (108). Furthermore, the hybrid fuel cell (100) comprises a converter circuit (110) configured to perform at least one of enable the auxiliary power source (112) to supplement the fuel cell (102) to provide collective power supply to a load (106) during the initialization phase of the fuel cell (102), enable the fuel cell (102) to provide either the input power supply or a supplement power supply to the EAC unit (114) during an operational phase of the fuel cell (102), or enable the fuel cell (102) to charge the auxiliary power source (112).

A SYSTEM, A METHOD OF CONTROLLING A SYSTEM, AND A VEHICLE COMPRISING A SYSTEM

Publication No.:  EP4628350A1 08/10/2025
Applicant: 
VOLVO TRUCK CORP [SE]
VOLVO TRUCK CORPORATION
EP_4628350_PA

Absstract of: EP4628350A1

The present disclosure relates to a system (10) for a vehicle (1), the system comprising a hydrogen fuel storage system (20) for storing hydrogen fuel (22); a recirculation hydrogen fuel system (30) for transporting hydrogen fuel, the recirculation hydrogen fuel system having a fuel inlet (32) configured to be in fluid communication with the hydrogen fuel storage system and further a fuel return line (34) to the hydrogen fuel storage system, wherein the recirculation hydrogen fuel system is configured to be in fluid communication with a hydrogen fuel-consuming power source (40), the system further comprising an electrically powered compressor (50) disposed in the recirculation hydrogen fuel system; and wherein the electrically powered compressor is controllable to pressurize hydrogen fuel in the recirculation hydrogen fuel system in response to a determined need for dissipating energy.

FUEL CELL SYSTEM WITH DEFREEZING CAPABILITY

Publication No.:  EP4629353A1 08/10/2025
Applicant: 
AIRBUS OPERATIONS GMBH [DE]
Airbus Operations GmbH
EP_4629353_PA

Absstract of: EP4629353A1

The present disclosure relates to a fuel cell system (100) capable of defreezing a dedicated component (120) by guiding a coolant via a coolant branch line (125, 126) from a fuel cell stack 110 to the dedicated component (120). Further disclosed is a vehicle comprising such fuel cell system.

A FUEL CELL SYSTEM CONFIGURED TO REDUCE EXHAUST WATER MIST AND A METHOD OF OPERATING A FUEL CELL SYSTEM

Publication No.:  EP4629355A1 08/10/2025
Applicant: 
VOLVO CONSTR EQUIP AB [SE]
Volvo Construction Equipment AB
EP_4629355_PA

Absstract of: EP4629355A1

A fuel cell system (1) comprising- a cell exhaust (10e) for an exhaust mixture comprising water fluid (15) generated in a fuel cell (10) of the fuel cell system (1),- a cooling assembly (20) for cooling the fuel cell (10) using ambient air (25), and- a system exhaust (1e),wherein the fuel cell system (1) is configured to mix the exhaust mixture of the cell exhaust (10e) with heated air (25h) of the cooling assembly (20) to avoid or reduce water mist (5) being expelled from the system exhaust (1e). A method (100) of operating a fuel cell system.

LARGE ASPECT RATIO ELECTROCHEMICAL CELL MODULES, AND METHODS OF PRODUCING THE SAME

Publication No.:  EP4627653A1 08/10/2025
Applicant: 
24M TECH INC [US]
24M Technologies, Inc
CN_120266304_PA

Absstract of: CN120266304A

Embodiments described herein relate to electrochemical cell assemblies having structural members for applying compressive forces. In some aspects, an electrochemical cell assembly may include: a plurality of electrochemical cells arranged in a stack; a first planar sheet in contact with a first side of the stack; a second planar sheet in contact with a second side of the stack; a first structural member in compressive contact with the first planar sheet; and a second structural member in compressive contact with the second planar sheet, wherein the compressive contact between the first structural member and the first planar sheet and the compressive contact between the second structural member and the second planar sheet collectively provide structural stiffness to the electrochemical cell assembly.

PROTON EXCHANGE MEMBRANE BASED ON PVDF IN THE FORM OF CRYOCRUSHED GRANULES

Publication No.:  EP4627651A1 08/10/2025
Applicant: 
ARKEMA FRANCE [FR]
ARKEMA France
WO_2024115855_A1

Absstract of: WO2024115855A1

The present invention relates to a proton exchange membrane, a method for preparing said membrane, and the use of said membrane in fields requiring ion exchange, such as effluent purification and electrochemistry, or in the fields of energy. In particular, this membrane is used in the design of fuel cell membranes.

TEMPERATURE CONTROL DEVICE AND METHOD FOR HEATING WORK ROLLS

Publication No.:  EP4627649A1 08/10/2025
Applicant: 
VANEVO GMBH [DE]
Vanevo GmbH
CN_120266297_PA

Absstract of: CN120266297A

The invention relates to a redox flow battery having at least one cell, the cell being composed of two half cells, each half cell having at least one half cell interior for accommodating an electrolyte, each cell being provided with at least one electrode and at least one membrane, and the half cells being arranged in a stacked manner, the half cells are each provided with at least one electrolyte inlet and/or at least one electrolyte outlet, and wherein the electrolyte inlet is connected to the electrolyte reservoir via at least one inlet line and the electrolyte outlet is connected to the electrolyte reservoir via at least one outlet line. The at least one lead-in line is divided into a lead-in sub-line, the at least one lead-out line is divided into a lead-out sub-line, the at least one lead-in sub-line and/or the at least one lead-out sub-line are/is assigned to the at least two half cells, and the lead-in sub-line and the lead-out sub-line are arranged outside the stacking surface of the half cells.

RECYCLING OF CATALYST COATED MEMBRANE COMPONENTS

Publication No.:  EP4627645A1 08/10/2025
Applicant: 
JOHNSON MATTHEY PLC [GB]
Johnson Matthey Public Limited Company
KR_20250083231_PA

Absstract of: CN120092333A

A method of recycling a spent catalyst coated membrane, wherein the spent catalyst coated membrane comprises: a membrane comprising a membrane ionomer; a first catalyst layer disposed on one side of the membrane, the first catalyst layer comprising a first catalyst and a first catalyst layer ionomer; and a second catalyst layer disposed on opposite sides of the membrane, the second catalyst layer comprising a second catalyst and a second catalyst layer ionomer. The method is configured to recover the first catalyst layer ionomer and the second catalyst layer ionomer in addition to the catalyst materials and the membrane ionomer.

ABIOTIC BIOFUEL CELL

Publication No.:  EP4627652A1 08/10/2025
Applicant: 
UNIV BOLOGNA ALMA MATER STUDIORUM [IT]
Alma Mater Studiorum Universita di Bologna
WO_2024115576_PA

Absstract of: WO2024115576A1

An abiotic biofuel cell comprising an anodic compartment comprising an anodic chamber, wherein said anodic chamber contains a first electrolytic solution, comprising an alkaline solution and a biofuel dispersed in said alkaline solution, and an anodic-chamber electrode in contact with the first electrolytic solution; a cathodic compartment comprising a cathodic chamber, wherein said cathodic chamber contains a second electrolytic solution, comprising an electron acceptor, and a cathodic-chamber electrode in contact with said second electrolytic solution; and ion-selective means adapted to separate the anodic chamber and the cathodic chamber and to be in fluid communication therewith; a plant comprising this abiotic biofuel cell and an operating process thereof.

METHOD AND DEVICE FOR ASCERTAINING THE CONDITIONS UNDERLYING A DEGRADATION OF GALVANIC CELLS USING ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY

Publication No.:  EP4627358A1 08/10/2025
Applicant: 
DEUTSCH ZENTR LUFT & RAUMFAHRT [DE]
Deutsches Zentrum f\u00FCr Luft- und Raumfahrt e.V
DE_102022131624_PA

Absstract of: WO2024115236A1

The invention relates to a method and a device for ascertaining the conditions underlying a degradation of galvanic cell assemblies, in particular fuel cell assemblies (10), of a stationary or preferably mobile system using electrochemical impedance spectroscopy, wherein an electric input signal with a frequency which changes within an overall frequency range, in particular a frequency range between 10 mHz and 100 kHz, 200 kHz, or 300 kHz, is applied to the galvanic cell assembly, in particular the fuel cell assembly, and an electric output signal which is produced on the output side of the cell assembly in response thereto is measured with respect to amplitude and frequency and is analyzed using a comparison with previously captured reference values. Improved application possibilities for the method and the device are achieved on the basis of the electrochemical impedance spectroscopy in that the electric output signal is measured only in mutually spaced frequency bands (22) about specific frequency points (21) within the overall frequency range on which the measurement is based, and the analysis is based on the output signal.

A SOLID OXIDE CELL STACK MADE OF SINGLE REPEATING UNITS, EACH COMPRISING A CERAMIC CELL WITH A CORRUGATED MEMBRANE AND A FLAT METALLIC INTERCONNECT

Publication No.:  EP4627646A1 08/10/2025
Applicant: 
H2B2 ELECTROLYSIS TECH S L [ES]
H2B2 ELECTROLYSIS TECHNOLOGIES S.L
WO_2024115506_A1

Absstract of: WO2024115506A1

The present invention relates to a solid oxide cell (SOC) stack made of single repeating units (SRU), each of which comprising: - a ceramic cell with a corrugated membrane and a sealing frame with gas distribution holes and channels, and - a flat metallic interconnect.

HEAT-TRANSFER FLUIDS WITH LOW ELECTRICAL CONDUCTIVITY COMPRISING HYDROXYLAMINE OR OXIME FUNCTIONALITY, METHODS FOR THEIR PREPARATION AND USES THEREOF

Publication No.:  EP4627135A1 08/10/2025
Applicant: 
ARTECO NV [BE]
Arteco NV
MX_2025005376_A

Absstract of: MX2025005376A

The present invention relates to compositions with low electrical conductivity which comprise a hydroxylamine-containing molecule in combination with a yellow metal corrosion inhibitor such as a triazole, wherein the weight ratio of the yellow metal corrosion inhibitor to the hydroxylamine- containing molecule is from 1 :20 to 20:1; and wherein the composition has an electrical conductivity at 25 °C of less than 200 Î1⁄4S/cm. These compositions can effectively provide ferrous metal corrosion inhibition in heat-transfer fluids at low electrical conductivity and maintain a low electrical conductivity which does not alter substantially with aging. They are thus particularly useful as heat-transfer fluids, for example in fuel cells or battery electric vehicles. The invention further relates to methods for the preparation of said compositions, and to uses employing said compositions.

HEAT-TRANSFER FLUIDS WITH LOW ELECTRICAL CONDUCTIVITY COMPRISING OXIME FUNCTIONALITY, METHODS FOR THEIR PREPARATION AND USES THEREOF

Publication No.:  EP4627134A1 08/10/2025
Applicant: 
ARTECO NV [BE]
Arteco NV
MX_2025005376_A

Absstract of: MX2025005376A

The present invention relates to compositions with low electrical conductivity which comprise a hydroxylamine-containing molecule in combination with a yellow metal corrosion inhibitor such as a triazole, wherein the weight ratio of the yellow metal corrosion inhibitor to the hydroxylamine- containing molecule is from 1 :20 to 20:1; and wherein the composition has an electrical conductivity at 25 °C of less than 200 Î1⁄4S/cm. These compositions can effectively provide ferrous metal corrosion inhibition in heat-transfer fluids at low electrical conductivity and maintain a low electrical conductivity which does not alter substantially with aging. They are thus particularly useful as heat-transfer fluids, for example in fuel cells or battery electric vehicles. The invention further relates to methods for the preparation of said compositions, and to uses employing said compositions.

TEST SYSTEM, AIR MIXTURE LINE AND GAS CONTROL UNIT

Publication No.:  EP4627648A1 08/10/2025
Applicant: 
BOSCH GMBH ROBERT [DE]
Robert Bosch GmbH
DE_102022212661_PA

Absstract of: WO2024115222A1

The invention relates to a test system (10a; 10b; 10c) for characterising solid oxide cells, preferably at temperatures between 500°C and 850°C, comprising at least one gas control unit (12a; 12b; 12c) for forming a homogeneous fuel gas mixture for the solid oxide cells, at least one fuel gas mixture line (16a; 16b), at least one hydrogen gas line (18a; 18b), and in particular at least one oxygen gas line (20a; 20b), wherein the at least one gas control unit (12a; 12b; 12c) has at least three stack layers (22a; 22b; 22c), at least one hydration unit (24a; 24b) which is directly gas-conductingly connected to the at least one hydrogen gas line (18a; 18b) and/or to the at least one oxygen gas line (20a; 20b) for the humidification of the homogeneous gas mixture and which is arranged in a hydration layer (26a; 26b) of the at least three stack layers (22a; 22b; 22c), at least one mixing chamber (28a; 28b) that is directly gas-conductingly connected to the fuel gas mixture line (16a; 16b) and the hydration unit (24a; 24b), which is designed to form the homogenous gas mixture and which is arranged in a mixing layer (30a; 30b) of the at least three stack layers (22a; 22b; 22c), and at least one test station (32a, 36a, 38a, 38a'; 32b, 36b, 38b, 38b'; 32c, 36c, 38c) for a solid oxide cell, which is arranged in a test layer (34a; 34b; 34c) of the at least three stack layers (22a; 22b; 22c). According to the invention, the gas control unit (12a; 12b; 12c) has at least one other test st

GAS DIFFUSION LAYER FOR FUEL CELLS, COMPRISING A MICROPOROUS LAYER WITH A REDUCED FLUORINE CONTENT

Publication No.:  EP4627647A1 08/10/2025
Applicant: 
FREUDENBERG CARL KG [DE]
Carl Freudenberg KG
CN_120303797_A

Absstract of: CN120303797A

The present invention relates to a gas diffusion layer for a fuel cell, comprising a microporous layer with a polymeric binder which is free of fluorine or has a lower proportion of fluorine-containing polymer compared to conventional binders, a gas diffusion layer obtainable using the method, and a method for producing a gas diffusion layer for a fuel cell, the gas diffusion layer comprising a microporous layer comprising a microporous layer having a polymeric binder which is free of fluorine or has a lower proportion of fluorine-containing polymer compared to conventional binders. And a fuel cell comprising such a gas diffusion layer.

BIPOLAR PLATE, METHOD FOR PRODUCING A BIPOLAR PLATE, CELL AND ELECTROCHEMICAL ENERGY CONVERTER

Publication No.:  EP4627643A1 08/10/2025
Applicant: 
BOSCH GMBH ROBERT [DE]
Robert Bosch GmbH
CN_120303796_PA

Absstract of: CN120303796A

The invention relates to a bipolar plate (10) for a single cell (11) of an electrochemical energy converter (12), comprising a first flow structure (13) and a second flow structure (14) adjacent to the first flow structure (13), the first and the second flow structure (14) being arranged on one side of the bipolar plate (10), the first flow structure (13) being designed to be used for connecting the first flow structure (13) to the second flow structure (14), and the second flow structure (14) being designed to be used for connecting the first flow structure (13) to the second flow structure (14). The medium is distributed along a first longitudinal direction (X1) of the bipolar plate (10), and wherein the second flow structure (14) is designed to distribute the medium from the first flow structure (13) in a second longitudinal direction (X2) and/or a transverse direction (Y) of the bipolar plate (10).

A COMPUTER-IMPLEMENTED METHOD FOR CONTROLLING A COOLING SYSTEM OF A POWER ASSEMBLY

Publication No.:  EP4627650A1 08/10/2025
Applicant: 
VOLVO TRUCK CORP [SE]
VOLVO TRUCK CORPORATION
WO_2024114882_PA

Absstract of: WO2024114882A1

A method for controlling a cooling system (110) of a power assembly (102) comprising a fuel cell unit (106) and an electric energy storage system (104), the cooling system being controllable to cool the fuel cell unit to a first temperature at which the fuel cell unit can generate power at a first power level, and at which the electric energy storage system delivers output power when the power request is above the first power level. The method comprises: - predicting a power request for power delivery from the power assembly during a future time interval, - determining an electric energy level of the electric energy storage system, - determining if the power assembly will be unable to deliver output power according to the power request throughout the time interval, - controlling the cooling system to cool the fuel cell unit to a second temperature higher than the first temperature.

ACTIVE AIR PRESSURE FOR COOLANT SYSTEM

Publication No.:  EP4627202A1 08/10/2025
Applicant: 
VOLVO TRUCK CORP [SE]
VOLVO TRUCK CORPORATION
WO_2024115949_PA

Absstract of: WO2024115949A1

A coolant expansion tank for a vehicle cooling system includes a coolant side having coolant. The tank further includes a first gas port on the coolant side for receiving first gas comprising gas bubbles separated from coolant in a first coolant circuit by a first gas separator, the first gas contributing to air pressure on the coolant in the coolant side. The tank further includes at least one second gas port on the coolant side for receiving second gas comprising gas bubbles separated from coolant in at least one second coolant circuit by at least one second gas separator, the second gas contributing to air pressure on the coolant in the coolant side. The tank further includes a pressurized air side having pressurized air to pressurize the coolant in the coolant side to a set pressure and has a port for receiving pressurized air from a pressure regulator.

COOLANT EXPANSION TANK FOR FUEL CELL STACK VEHICLE COOLING SYSTEM

Publication No.:  EP4627201A1 08/10/2025
Applicant: 
VOLVO TRUCK CORP [SE]
VOLVO TRUCK CORPORATION
WO_2024115945_PA

Absstract of: WO2024115945A1

A coolant expansion tank for a vehicle cooling system includes a cooling fluid port for receiving cooling fluid for at least one coolant chamber on a coolant side of the coolant expansion tank. The tank further includes a transfer channel between the at least one coolant chamber and a pressured air side of the coolant expansion tank. The tank further includes the pressurized air side separated from the coolant side by a wall having the transfer channel, the pressurized air side providing pressurized air to the one or more coolant chambers via the transfer channel. The tank further includes a gas separation inlet on the coolant side for receiving gas separated from cooling fluid by a separator, the gas contributing to air pressure on the cooling fluid in the coolant side, wherein the excess pressure is released from the pressurized air side to a feed air transfer pipe.

FUEL CELL SYSTEM AND METHOD FOR OPERATING A FUEL CELL SYSTEM

Publication No.:  EP4629356A1 08/10/2025
Applicant: 
PUREM GMBH [DE]
Purem GmbH
EP_4629356_PA

Absstract of: EP4629356A1

Ein Brennstoffzellensystem, insbesondere für ein Fahrzeug, umfasst wenigstens eine Brennstoffzelle (12) mit einem an einem Anoden-Einlassbereich (20) mit Wasserstoff enthaltendem Anodengas zu speisenden Anodenbereich (14), einem an einem Kathoden-Einlassbereich (24) mit Sauerstoff enthaltendem Kathodengas zu speisenden Kathodenbereich (16), einem Anoden-Auslassbereich (32) zur Abgabe von Anodenabgas und einem Kathoden-Auslassbereich (38) zur Abgabe von Kathodenabgas, sowie einen Pufferspeicher (48) zur Aufnahme von Anodenabgas von dem Anoden-Auslassbereich (32).

SYSTEM AND METHOD FOR RECREATING GROUND CONDITIONS FOR FUEL CELL SYSTEMS OPERATING AT HIGH ALTITUDES

Publication No.:  EP4629352A1 08/10/2025
Applicant: 
PIPISTREL D O O [SI]
Pipistrel D.O.O
EP_4629352_PA

Absstract of: EP4629352A1

A system and method of recreating ground conditions for a fuel cell system for use in a vehicle includes providing a fuel cell system, a compressor, a heat exchanger, a first turbine, a second turbine, and an electric motor drivingly connected to the compressor, the first turbine, and the second turbine along a common shaft. The method requires receiving air at an ambient pressure and temperature, compressing the air via the compressor, and discharging the compressed air into the fuel cell via the heat exchanger. The fuel cell generates an exhaust flow which is then expanded and cooled in the first turbine, heated via the heat exchanger, and then expanded and cooled in the second turbine and expelled at a pressure substantially equal to the ambient pressure.

CARTRIDGE FOR FUEL CELL HUMIDIFIER, AND FUEL CELL HUMIDIFIER

Nº publicación: EP4629354A1 08/10/2025

Applicant:

KOLON INC [KR]
Kolon Industries, Inc

EP_4629354_PA

Absstract of: EP4629354A1

The present invention relates to a cartridge for a fuel cell humidifier, and a fuel cell humidifier, the cartridge being provided in a fuel cell humidifier which uses a second gas to humidify a first gas which is to be supplied to a fuel cell stack, and the cartridge comprising: an inner case provided with respective openings in both ends thereof; and a hollow fiber membrane bundle received inside the inner case, wherein the hollow fiber membrane bundle comprises a plurality of hollow fiber membranes so as to satisfy at least one among a flow velocity condition for enabling a first gas to flow at a flow velocity of 1 m/s to 10 m/s, and a turbulence condition for enabling the first gas to flow at a Reynolds number of 50 to 400.

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