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AN ELECTRODE ASSEMBLY FOR AN ELECTROCHEMICAL CELL, RELATED ELECTROCHEMICAL CELL, ELECTROLYZER AND FUEL CELL

Resumen de: EP4776351A1

The assembly comprises an elongated porous dry electrode line (20) comprising an elongated core electrode (30) configured to be electrically connected to an electrical power source or to a utility.The line (20) comprises an outer sheath (32) made at least partially of an ion permeable and gas impervious membrane applied on the electrode (30), the electrode (30) defining inside the outer sheath (32) at least a longitudinal gas circulation canal (34) emerging at one gas collection outlet or gas supply inlet.The assembly comprises a gas capacity to collect gas from the electrode line (20) or to supply gas to electrode line (20), the gas collection outlet or the gas supply inlet of the electrode line (20) being fluidly connected to the gas capacity.

COMPOSITE ELECTROLYTE MEMBRANE AND COMPOSITE ELECTROLYTE MEMBRANE-ELECTRODE ASSEMBLY THEREWITH

Resumen de: EP4776354A2

The present disclosure relates to improved composite electrolyte membranes with low swelling properties, membrane-electrode assemblies and electrochemical devices comprising the improved composite electrolyte membranes, and methods of manufacturing said membranes.

EMBODIMENT HAVING A CHANNEL FOR TRANSPORTING A FLUID

Resumen de: EP4776355A1

A backflow limiting structure (2a, 2b, 2c, 2d, 2e, 2f, 2g, 2h, 2i) which allows a flow of fluid in one direction (30). The backflow limiting structure (2a, 2b, 2c, 2d, 2e, 2f, 2g, 2h, 2i) can be arranged in a channel (1a, 1b). The channel (1a, 1b) can be part of an electrolyzer (24), fuel cell and/or storage cell. A resistance barrier (5a, 5b, 5c, 5d, 5e, 5f) of a backflow limiting structure (2a, 2b, 2c, 2d) provides an auxiliary section (10a, 10b, 10c, 10d) and a main section (9a, 9b, 9c, 9d). The backflow limiting structure (2a, 2b, 2c, 2d, 2e, 2f, 2g, 2h, 2i) interacts with a fluid, creating a different resistance depending on the direction of flow in the resistance barrier (5a, 5b, 5c, 5d, 5e, 5f).

FLUID-CONDUCTING PLATE ARRANGEMENT OF AN ELECTROCHEMICAL SYSTEM

Resumen de: WO2025051317A1

The invention relates to a fluid-conducting plate arrangement (3) of an electrochemical system (1), comprising a compression plate (4) which has an inner side (6), facing a stack of electrochemical cells, and an outer side (5) and is passed through by a plurality of through-openings to which a plurality of coolant passages (8, 9), namely a coolant inlet (8) and a coolant outlet (9), are to be assigned, wherein each coolant passage (8, 9) has a branch (12) which opens towards the inner side (6) and is formed by the compression plate (4) together with an insert plate (10) inserted into it on the outer side, such that the compression plate (4) has two separate passage portions (13, 14) and the insert plate (10) has a collecting portion (18) which adjoins the two passage portions (13, 14).

PROTECTIVE BARRIER FOR ELECTROCHEMICAL DEVICE

Resumen de: US2025075350A1

0000 An assembly for an electrochemical device may include, among other things, a conductive metallic plate and at least one carbon layer extending along the metallic plate. The at least one carbon layer may include a plurality of carbon fibers that may establish a porous construct. A plastic film may extend between the metallic plate and the at least one carbon layer. The plastic film may impregnate the porous construct such that the at least one carbon layer may be substantially impermeable to fluid. At least some of the carbon fibers may extend through the plastic film to establish a conductive path between the at least one carbon layer and the metallic plate. A method of forming an electrochemical device is also disclosed.

A METHOD FOR PREPARING A PRECURSOR FOR ELECTROLYTES AND A METHOD FOR PRODUCING ELECTROLYTES FOR AN ALL-IRON FLOW BATTERY

Resumen de: WO2026019407A1

The claimed group of inventions relates to the energy industry, particularly, to electrochemical technologies for energy accumulation and storage, and it relates to a method for preparing a precursor for electrolytes of an all-iron flow battery and to a method for producing electrolytes based on this precursor. According to the first invention, the method for preparing the precursor comprises steps of mixing an iron chloride crystal hydrate and distilled water, while simultaneously passing an inert gas through a solution during its formation, separating the solution into two parts and reducing Fe3+ to Fe2+ in one of the parts, and oxidizing, in another part, Fe2+ ions to form Fe3+ ions in an electrochemical cell during a charging process. At the same time, an excess of a reducing agent may be added to the solution prior to the step of separating. The claimed method allows to purify the reduced part of the solution from Fe impurities and to stabilize a content of Fe2+ ions therein. According to the second invention, the electrolytes are produced from the reduced part of the precursor solution by adding electrically conductive additives and successively adjusting an acidity to a specific limit. The electrolytes are produced under vigorous stirring and heating, while the negative electrolyte is produced in an inert gas or hydrogen atmosphere. Said solution allows to provide a stable composition of the electrolytes and to ensure a high round-trip efficiency of the all-iron batter

CONDUCTIVE METAL OXIDE PARTICLE AND CATALYST PARTICLE FOR ELECTROCHEMICAL REACTION

Resumen de: EP4776310A1

According to the present invention, a carrier for an electrode catalyst is conductive metal oxide particles having a specific surface area of 35 m²/g or more and a pore volume of a pore having a pore diameter of 20-100 nm of 0.25 mL/g or more, and the electrode catalyst is catalyst particles for electrochemical reaction in which catalyst noble metal particles are carried on the conductive metal oxide particles.

STACK AND FUEL CELL SYSTEM EACH HAVING MULTI-STAGE CASCADE STRUCTURE

Resumen de: EP4776357A1

Disclosed in the present application are a stack and a fuel cell system each having a multi-stage cascade structure. The stack comprises multi-stage series-connected cell arrays, a first fuel flow path and a second fuel flow path, each stage of cell array comprising a plurality of single cells connected in parallel, all stages of cell arrays being communicated by means of the first fuel flow path, and the single cells in the same stage of cell array being communicated by means of the second fuel flow path. The number of single cells in each stage of cell array and an array fuel utilization rate corresponding to each stage of cell array satisfy a first single cell quantity constraint condition, and the number of single cells in the front and rear stages of cell arrays and the cell fuel utilization rate corresponding to each single cell in the front and rear stages of cell arrays satisfy a second single cell quantity constraint condition, such that the equivalent hydrogen amount of fuel consumed by each single cell per unit time is equal, and the output current of each single cell is equal. The present application can realize fuel recycling, improve the fuel utilization rate and power generation efficiency, and can be widely applied to the field of fuel cells.

CONSTRUCTION MACHINE

Resumen de: EP4775739A1

0001 A construction machine (100) includes a fuel cell device (42) having a device drain port (43), and a drain pipe (30) connected to the device drain port (43). The drain pipe (30) is disposed at a position lower than or equal to a height of the device drain port (43).

3D-POROUS CARBON STRUCTURES, ELECTRODES COMPRISING THESE, AND THEIR METHODS OF PRODUCTION AND USE

Resumen de: EP4775537A1

The present invention relates to porous carbon structure comprising one or more sets of porous spherical carbon particles, wherein each of said one or more sets of porous spherical carbon particles has a monomodal, bimodal or multimodal particle diameter distribution, and/or a monomodal, bimodal or multimodal templated pore size distribution, wherein each mode of said particle diameter distribution defines a subset of porous spherical carbon particles within the set, each subset having a particle diameter dispersity (d) of 1.2 or less, and wherein each mode of the templated pore size distribution defines a subset of porous spherical carbon particles within the set, each subset having a templated pore size dispersity (d') of 1.2 or less. The invention further relates to methods for producing the porous carbon structures of the invention, electrodes made from such structures and their use in various applications.

CELL STACK HAVING MULTI-CASCADE STRUCTURE, AND FUEL CELL SYSTEM

Resumen de: EP4776356A1

0001 Disclosed in the present application are a cell stack having a multi-cascade structure, and a fuel cell system. The cell stack comprises a plurality of stages of cell arrays connected in series, first fuel flow paths and second fuel flow paths, wherein each stage of cell array comprises a plurality of single cells connected in parallel; the respective stages of cell arrays are in communication by means of the first fuel flow paths; the single cells in the same stage of cell array are in communication by means of the second fuel flow paths; and the number of single cells in each stage of cell array and an array fuel utilization rate corresponding to each stage of cell array meet a first single-cell number constraint condition, and the number of single cells in preceding and subsequent stages of cell arrays and a cell fuel utilization rate corresponding to each single cell in the preceding stage of cell array meet a second single-cell number constraint condition, such that the hydrogen-equivalent amount of fuel introduced into each single cell per unit time is equal. The present application can realize the recycling of fuel, and improve the fuel utilization rate and the power generation efficiency; moreover, the present application can reduce the risk of over-utilization of single cells and cell stacks, and can be widely used in the field of fuel cells.

SEAWATER BATTERY

Resumen de: EP4776392A1

0001 A seawater battery is disclosed. The disclosed seawater battery includes an anode electrode chamber, a flow electrode chamber, and a cathode electrode chamber.

ANALYSIS DEVICE, SPECIMEN EVALUATION SYSTEM, AND ANALYSIS METHOD

Resumen de: EP4776353A1

0001 There is provided an analysis device that is used in a test specimen evaluation apparatus that evaluates a condition of a test specimen by analyzing waste liquid from the test specimen. This analysis device includes a component concentration measurement unit that is connected to an exhaust gas flow path through which flows diluted waste liquid created by diluting the waste liquid discharged from the test specimen with a diluent, and that measures a concentration of a component contained in the diluted waste liquid.

METHOD FOR PRODUCING COATING COMPOSITION, YTTRIA-STABILIZED ZIRCONIA LAYER, ELECTROCHEMICAL ELEMENT, ELECTROCHEMICAL MODULE, ELECTROCHEMICAL DEVICE, ENERGY SYSTEM, SOLID OXIDE FUEL CELL, AND SOLID OXIDE ELECTROLYSIS CELL

Resumen de: EP4775637A1

0001 Provided is a coating composition (b2) in which a film can be formed at a low cost by a simple method using zirconium alkoxide (o) and an yttrium compound (p) as starting raw materials, and in which a dense yttria-stabilized zirconia layer can be obtained. The coating composition (b2) containing the zirconium alkoxide (o), the yttrium compound (p), a chelating compound (q), a polyalkylene glycol (r), a catalyst (s), water (t), and an organic solvent (u) is obtained.

ELECTRIC CONSTRUCTION MACHINE

Resumen de: EP4775743A1

The present invention has an object to provide an electrically driven construction machine capable of downsizing a hydrogen tank which stores a fuel for a fuel cell and a heat exchanger which releases heat of a coolant for the fuel cell. Thus, in a hydraulic excavator including a machine body, an electrically driven motor which is a power source for the machine body, a fuel cell which generates electric power, and an electric power controller which controls electric power supplied to the electrically driven motor, the hydraulic excavator includes an external electric power receiver which receives electric power from a commercial electric power supply device, and the electric power controller controls electric power supplied from the fuel cell and the external electric power receiver to the electrically driven motor.

CONTROL METHOD, CONTROL DEVICE, AND ELECTRIC POWER GENERATION SYSTEM

Resumen de: EP4776473A1

A control method in the present disclosure includes creating a power generation plan for a power generation group including a plurality of power generation units, each including a fuel cell, and transmitting, to a controller that controls the plurality of power generation units on a basis of the power generation plan, an instruction to stop all the plurality of power generation units of the power generation group when communication from the controller is interrupted.

PLATE-LIKE ELEMENT OF A CELL STACK, AND CELL STACK

Resumen de: WO2025051333A1

The invention relates to a plate-like element (10) of a cell stack (2) of an electrochemical system (1), having a first plate side (26), a second plate side (27), a plurality of openings (13, 21, 22, 23, 23') and a first structure (14) for forming a flow field for coolant and several further structures (14') for forming distributors for operating media on the first plate side (26). The structure (14) comprises a coolant conducting structure (15, 16) through which a first coolant path (15) and a second coolant path (16) arranged mirror-symmetrically thereto are formed, each of which have, starting from one of the openings (21), an elongate inflow portion (17), a centre portion (18) which starts from the inflow portion (17), fans out and describes at least one meandering bend (19), and an elongate outflow portion (20) which adjoins the centre potion (18) and is narrower than the centre portion (18). A longitudinal axis (30) of the inflow portion (17) of the first coolant path (15) matches a longitudinal axis (30) of the outflow portion (20) of the second coolant path (16), and a longitudinal axis (30') of the inflow portion (17) of the second coolant path (16) matches a longitudinal axis (30') of the outflow portion (20) of the first coolant path (15). The invention also relates to a cell stack (2) comprising a plurality of such plate-like elements (10) which are parallel to one another.

ELECTROMOBILITY COMPONENTS

Resumen de: WO2025051459A1

The present invention relates to tracking current-resistant electromobility components having a colour difference ΔE <20 from the L*a*b* coordinates for a colour number in the RAL colour chart that begins with "2", comprising polymer compositions based on at least one polyamide and 1,3-dihydro-5,6-bis(((2-hydroxy-1-naphthyl)methylene)amino-2H-benzimidazol-2-onato(2-)-N5,N6,O5,O6)nickel, and to the use of 1,3-dihydro-5,6-bis(((2-hydroxy-1-naphthyl)methylene)amino-2H-benzimidazol-2-onato(2-)-N5,N6,O5,O6)nickel for production of polyamide-based tracking current-resistant electromobility components having a colour difference ΔE <20 from the L*a*b* coordinates for a colour number in the RAL colour chart that begins with "2".

ELECTROMOBILITY COMPONENTS

Resumen de: WO2025051460A1

The present invention relates to: creep-resistant electromobility components having a colour difference ΔE <20 from the L*a*b* coordinates of a colour number in the RAL colour chart beginning with "2", comprising polymer compositions based on at least polyester and 1,3-dihydro-5,6-bis(((2-hydroxy-1-naphthyl)methylene)amino-2H-benzimidazole-2-onato(2-)-N5,N6,O5,O6)nickel; and the use of 1,3-dihydro-5,6-bis(((2-hydroxy-1-naphthyl)methylene)amino-2H-benzimidazole-2-onato(2)-N5,N6,O5,O6)nickel to produce polyester-based, creep-resistant electromobility components with a colour difference ΔE <20 from the L*a*b* coordinates of a colour number in the RAL colour chart beginning with "2".

STATIC ENERGY STORAGE CELL

Resumen de: WO2025052089A1

There is provided herein a static energy storage cell comprising: (i) a first electrode and a second electrode, (ii) an electrolyte system comprising: a a membrane comprising a cross-linked hydrophilic polymer hydrated in an aqueous solution, wherein the membrane is situated between the first electrode and the second electrode, b. a first electrolyte comprising a first species which can undergo a redox reaction at the first electrode, wherein the first electrolyte is situated between the membrane and the first electrode, c. a second electrolyte comprising a second species which can undergo a redox reaction at the second electrode, wherein the second electrolyte is situated between the membrane and the second electrode, wherein the first electrode and the second electrode are carbon electrodes, wherein the first species is a metallic species, and wherein the second species is a halogen species. Method of manufacture of the static energy storage cell is also provided.

DOUBLE-TUBE HEAT EXCHANGER, MANUFACTURING METHOD, USE, AND HYDROGEN FUELING STATION

Resumen de: WO2025051388A1

The invention relates to a double-tube heat exchanger for heating a cryogenic fluid, in particular cryogenic hydrogen, said heat exchanger comprising an outer tube and an inner tube located inside the outer tube, the inner tube being designed to allow the flow of the cryogenic fluid, and a gap between the inner tube and the outer tube being designed to allow the flow of a heat exchange medium, the double-tube heat exchanger also comprising an intermediate piece (240) which surrounds the inner tube and is positioned in the gap, the intermediate piece (240) having an at least substantially cylindrical main body (242) with a longitudinal axis (L), the main body (242) having a through-opening (246) along the longitudinal axis (L), through which through-opening the inner tube is guided, the intermediate piece (240) having fins (244) on an outer side of the main body (242) which extend at least substantially parallel to the longitudinal axis (L) and are oriented radially with respect to the longitudinal axis (L), and the intermediate piece (240) being clamped onto the inner tube.

FUEL CELL AND ASSOCIATED CONTROL METHOD

Resumen de: WO2025051771A1

The invention relates to a fuel cell (20) comprising a plurality of unit cells stacked along a main axis (A30) so as to form a stack (30) of cells, the stack being housed in a casing (22) with a sleeve (24) closed by a first cover (26B) and a second cover (26A) opposite the first cover along the main axis. When the fuel cell is in an operating configuration, the main axis is substantially horizontal, and the housing has a top side and a bottom side. The first cover comprises a main ventilation inlet (434) that opens into the housing at a highest point of the first cover, while the second cover comprises a first main ventilation outlet (442) that opens into the housing at a highest point of the second cover, and a second main outlet (444) that opens into the housing at a lowest point of the second cover.

FUEL CELL EXHAUST GAS MANAGEMENT

Resumen de: EP4776352A1

0001 Heat exchanger (30) arranged in a fuel cell system (20), comprising: an intake exhaust gas portion (32) connected to a fuel cell stack (27) of the fuel cell system (20) and adapted to receive exhaust gases generated by the fuel cell stack (27); an intake heated compressed air portion (38) connected to a compressor (23) of the fuel cell system (20) and adapted to receive heated compressed air generated by the compressor (23); and a control device (31) configured to: control a heat exchange between the received exhaust gases and the received heated compressed air based on respective temperatures, and cause recirculation of the exhaust gases to the fuel cell stack (27) based on the heat exchange control.

具有在节点处加宽的粘接通道结构的板基底以及由至少两个板基底组装而成的用于燃料电池或液流电池的双极板

Resumen de: WO2025119476A1

The invention relates to a plate substrate (3) for a bipolar plate (1) assembled from at least two plate substrates (3) for a fuel cell or a flow battery. The plate substrate has a channel structure (17) with an elongated channel (19) which extends along a surface (5) of the plate substrate and which branches out at node points (21), wherein the channel structure has multiple elongated channel regions (23), and at least one of the channel regions transitions into at least two adjacent channel regions at at least one node point. The channel has, in cross-section along the entire longitudinal extension thereof, a central adhesive region (27) and two overflow regions (29) which adjoin the adhesive region at opposite sides, said channel having a shallower depth in the adhesive region than in the overflow regions. The overflow regions of the channel have a larger cross-section, in particular a larger width, in a node point-near region (33) which is near one of the node points than in a node point-remote region (35) which is remote from said node point (21). Excess adhesive (7) which has been applied near the node point, for example in the form of overlapping sub-regions of an adhesive strand (39), can thus be received in a widened overflow channel portion (37).

电化学电池组件

Nº publicación: CN122397132A 14/07/2026

Solicitante:

罗伯特·博世有限公司希锂斯动力有限公司

Resumen de: WO2025093132A1

The invention relates to an electrochemical cell assembly (10), comprising a base plate, an end plate (26), a stack (12) comprising a plurality of cell units (14) stacked upon one another, said stack (12) being arranged between said base plate and said end plate, and an electrically conductive power transmission device (38) comprising a connector (40) that is located on a side of the end plate that is facing away from the stack, the power transmission device spanning the end plate and being electrically connected to the stack, wherein the power transmission device is attached to the end plate by a fastening device (42) at a portion of the power transmission device that is located between an electrical connection to the stack and the connector.