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631
results.
Updated on
26/03/2026 [06:49:00]
Results 200 to 225 of 631
Absstract of: AU2024366214A1
The invention relates to an electrochemical device (1) comprising: - at least one, preferably a plurality of, electrochemical cell (4) comprising a fuel electrode an oxygen electrode and a membrane, - at least one fluid inlet line (2) leading to the fuel electrode of the at least one electrochemical cell (4), - at least one fluid outlet line (3), exiting the fuel electrode of the at least one electrochemical cell (4), - at least a first co-fluid line leading to the oxygen electrode of the at least one electrochemical cell, - a reformer with an integrated heat exchanger (5) located upstream to the at least one electrochemical cell (4), - at least one hot stream line (6) to provide heat to the fluid inlet line (2), - at least two temperature sensors (T) for detecting the inlet temperature of the at least one fluid and/or for detecting the at least one outlet temperature of the at least one fluid, preferably at a reformer inlet side and/or a reformer outlet side. A first pre-heater (7) is arranged between the reformer (5) and the at least one electrochemical cell (4). The fluid inlet line (2) is in fluid communication with the reformer (5) and/or first preheater (7) and the hot stream line (6) is in fluid communication with reformer (5) and/or the first preheater (7).
Absstract of: AU2025268573A1
The present invention relates to the technical field of the electrolysis of water, and specifically relates to a low-hydrogen-permeability proton exchange membrane, and a preparation method therefor and the use thereof. The proton exchange membrane comprises a Pt-containing additive layer and a matrix membrane, wherein the Pt-containing additive layer is composed of a Pt additive and a fluorine-containing proton exchange resin, the Pt-containing additive layer comprises an array layer and a flattening layer, the thickness ratio and the active-component ratio of the array layer to the flattening layer are respectively within the ranges of 1:(0.5-30) and 1:(1-50), and the array layer is composed of arrays arranged in order and an array layer resin coating the arrays. In the low-hydrogen-permeability proton exchange membrane provided by the present invention, by providing the Pt-containing additive layer consisting of the array layer and the flattening layer, the specific surface area of the Pt-containing additive layer is effectively increased by means of the arrays in the array layer, thereby achieving the efficient utilization of an additive; moreover, the hydrogen permeability improvement effect is further improved by controlling the thickness ratio and the active-component ratio of the array layer to the flattening layer and the parameters of the arrays.
Absstract of: AU2024342195A1
The present invention provides a method of changing the electrolytic conversion rate within at least on electrolyser cell stack of an electrolyser system having a fluid inlet, fluid outlet and a power control system, and using said power control system to change the voltage across the electrolyser cell stack, allowing the fluid outlet temperature to change in response to the voltage change, setting an inlet temperature to substantially match the new outlet temperature, and then allowing the voltage to revert to a substantially thermoneutral value, such that the electrolyser cell stack is operating at a changed stack temperature and changed electrolytic conversion rate.
Absstract of: AU2025223937A1
An electrode according to an embodiment includes a support and a catalyst layer having a structure in which sheet layers and gap layers are laminated alternately. The gap layers comprise a first oxide comprising a first element which is one 5 or more elements selected from the group consisting of Ti, Al, Ta, Nb, Hf, Zr, Zn, W, Bi, and Sb. An electrode according to an embodiment includes a support and a catalyst layer having a structure in which sheet layers and gap layers are laminated alternately. The gap layers 5 comprise a first oxide comprising a first element which is one or more elements selected from the group consisting of Ti, Al, Ta, Nb, Hf, Zr, Zn, W, Bi, and Sb. ep e p Fig. 1 Fig. 2 Fig. 3 Fig. 1 Fig. 2 Fig. 3 ep e p
Absstract of: US20260081196A1
A device may include a decellularized biological scaffold, a first electrode, and a second electrode, wherein the decellularized biological scaffold is in electrical and/or chemical communication with the first and second electrodes. In one example, the device is a battery and the device may include an electrolyte layer supported on the decellularized biological scaffold; an anode layer disposed on a first side of the electrolyte layer; and a cathode layer disposed on second side of the electrolyte layer, opposite the anode layer. The electrolyte layer may include a plant-based conductive hydrogel and/or a PEDOT collagen matrix. The anode and/or the cathode layer may comprise metallic vesicles secreted by a plant.
Absstract of: US20260081193A1
A compressor and a multi stack fuel cell are provided with adjustable pressurized fluid inputs. A compressor has a first compressor stage that is configured to take in an intake fluid, compress the intake fluid to a compressed fluid and output the compressed fluid as an output fluid at a first pressure. The compressor further has a second compressor stage that is configured to take in an intake fluid, compress the intake fluid to a compressed fluid, and output the compressed fluid as an output fluid at a second pressure.
Absstract of: US20260081195A1
A membrane electrode assembly includes a first electrode, a second electrode, an ion-exchange membrane provided between the first electrode and the second electrode, and an intermediate layer between the second electrode and the ion-exchange membrane. The intermediate layer is a conductive porous body.
Absstract of: US20260081191A1
A separator according to an embodiment includes a flow channel comprising one or more flow-channel grooves provided between flow-channel walls. One or more protrusions are provided on the flow-channel walls.
Absstract of: US20260081187A1
An electrode according to an embodiment includes a support comprising metal fibers or metal particles, the support comprising a first surface and a second surface located opposite the first surface and a catalyst layer provided on the metal fibers or the metal particles on the first surface side of the support. An average fiber diameter of the metal fibers and an average primary diameter of the metal particles are denoted as D. A direction from the first surface of the support to the second surface of the support is a thickness direction of the support. The catalyst layer is provided at from the first surface to a position at a minimum depth of 3×D or more and a position at a maximum depth of 10×D or less.
Absstract of: US20260081190A1
A separator according to an embodiment includes a first flow channel comprising flow-channel grooves and connecting a first location and a second location. The first flow channel has a serpentine flow channel shape. The midpoint in a length direction of the first flow channel is defined as the boundary. A range from the boundary to the first location side is defined as the first half. A range from the boundary to the second location side is defined as the second half. A turnaround area is included in the first half of the first flow channel. A turnaround area is included in the second half of the first flow channel that has a flow channel pattern different from that in the first half of the first flow channel.
Absstract of: US20260081194A1
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 comprises 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
Absstract of: AU2024345170A1
Described herein are composites, methods of making composites, and methods of using composites. The composites include incompatible polymers and/or other incompatible materials. The composites are useful in a variety of industrial applications. The composites comprise a first component comprising a first material comprising a fluid-permeable portion and a second component comprising a second material incompatible with the first material; the first component and the second component are coupled at an interface comprising the second material contained in the fluid-permeable portion of the first material and the interface forms a third component that separates at least a portion of the first component from the second component.
Absstract of: AU2024341133A1
Provided herein are systems and methods for utilizing aqua-ammonia as an energy or hydrogen storage and transport medium. A method for delivering power, the method comprises converting enriched ammonia to electrical power and heat; and using the heat to remove water from aqua-ammonia, thereby producing the enriched ammonia.
Absstract of: AU2024338643A1
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.
Absstract of: WO2026059827A1
A fuel cell system includes a molten carbonate fuel cell module including an anode section configured to output an anode exhaust stream including carbon dioxide and hydrogen and a cathode section configured to receive a cathode input stream. The fuel cell system further includes a drying system configured to receive and remove water from the anode exhaust stream and to output a dried anode exhaust stream comprising less than 0.1 percent water and a carbon dioxide solvent extraction system configured to receive the dried anode exhaust stream, expose the dried anode exhaust stream to a physical solvent to absorb carbon dioxide, output a carbon dioxide product stream comprising at least 99 percent carbon dioxide, and output a sweet gas stream.
Absstract of: WO2026059907A1
A flow cell battery that includes at least one electrochemical cell. The electrochemical cell includes: an ion exchange membrane; a 1 mm to 4 mm thick anode; an anode current collector; a first bipolar plate disposed between the anode and the anode current collector; a first flow frame that defines first flow channels; a first tank including an anolyte that includes V4+ and V5+; a first pump to flow the anolyte from the first tank into the first flow channels; a 1 mm to 4 mm thick cathode; a cathode current collector; a second bipolar plate disposed between the cathode and the cathode current collector; a second flow frame that defines second flow channels; a second tank including a catholyte that includes V2+ and V3+; and a second pump to flow the catholyte from the second tank into the second flow channels.
Absstract of: DE102024126548A1
Die Erfindung betrifft eine Medientrennvorrichtung (10) für eine Brennstoffzelle mit einer Trägerplatte (1), auf deren erster Seite (1.1) ein erstes Medium und auf deren zweiter Seite (1.2) ein anderes Medium strömen kann, wobei auf einer Seite (1.1) der Trägerplatte (1) eine Abstandsvorrichtung zur beabstandeten Anordnung einer Trennschicht (6) vorgesehen ist, so dass zwischen der Trennschicht (6) und der Trägerplatte (1) das Medium in einem Kanal mit einer vordefinierten Höhe strömen kann, wobei die Abstandsvorrichtung als Einlegeblech (3) ausgebildet ist. Weiterhin betrifft die Erfindung Herstellungsverfahren zur Herstellung einer Medientrennvorrichtung (10) sowie eine Brennstoffzelle mit einer Medientrennvorrichtung (10).
Absstract of: WO2026057792A2
The invention relates to a gas conducting device for delivering a reactant gas into a fuel cell system (9) and for separating any liquid components (10) from the reactant gas, wherein the gas conducting device comprises: a gas inlet (3) and a gas outlet (7) and a gas transport channel (2) that extends therebetween and is configured to conduct the reactant gas, when it is fed in at the gas inlet (3), from there as a reactant gas flow (4) to the gas outlet (7) in order to supply the reactant gas to one or more fuel cells or fuel cell stacks (8) of the fuel cell system (9), which fuel cells or fuel cell stacks can be connected to the gas outlet (7); and a liquid outlet (5), different from the gas outlet (7), on the gas transport channel (2); wherein the gas transport channel (2) is additionally designed in such a way as a liquid separator for separating liquid components (10) from the reactant gas flow (4) that the geometry thereof defines a gas conducting path (11), for guiding the reactant gas flow (4) from the gas inlet (3) to the gas outlet (7), such that the gas conducting path (11) has a change of direction (12), and the geometry further defines a liquid conducting path (13), for guiding any liquid components (10) entrained in the gas flow to the liquid outlet (5), such that the gas conducting path (11) and the liquid conducting path (13) separate from one another at the location of the change of direction (12) of the gas conducting path (11) in such a way that the liquid
Absstract of: WO2026057666A2
The invention relates to a media separating device (10) for a fuel cell, comprising a carrier plate (1), on the first side (1.1) of which a first medium can flow and on the second side (1.2) of which another medium can flow, wherein a spacer device for arranging a separating layer (6) at a distance is provided on one side (1.1) of the carrier plate (1) such that the medium can flow in a channel having a predefined height between the separating layer (6) and the carrier plate (1), wherein the spacer device is designed as an insert plate (3). The invention further relates to a production method for producing a media separating device (10) and to a fuel cell having a media separating device (10).
Absstract of: WO2026057490A1
The invention relates to a method for operating an electrochemical stack (10) which has a plurality of electrochemical cells (1) which each have an anode chamber (2) with an anode electrode (6) and a cathode chamber (3) with a cathode electrode (7), wherein the anode chamber (2) and the cathode chamber (3) are separated from one another by a semipermeable membrane (8). An electrical voltage occurs between the anode electrode (6) and the cathode electrode (7) during operation, wherein the electrochemical cells (1) are connected in series. A cell voltage monitoring unit (17) is connected to the electrochemical cells (1). The method is characterised by: - using the cell voltage monitoring system (17) to measure electrical voltages Ui of n series-connected electrochemical cells, n being greater than or equal to 2; - comparing the measured voltages Ui with a maximum voltage Uexp,n and a minimum voltage Umin,n, the maximum voltage Uexp,n being n times the maximum possible cell voltage of an individual electrochemical cell Uexp and Umin,n being (n-1) times the maximum possible cell voltage of an individual cell (1) plus a lower voltage limit ULimit, ULimit being the smallest cell voltage up to which an individual electrochemical cell (1) is to be operated; and, - outputting an error message if at least one of the measured voltages Ui is lower than Umin,n or higher than Uexp,n.
Absstract of: WO2026057174A1
A fuel cell-based generator (100) is provided. The fuel cell-based generator (100) includes a fuel cell module (110) comprising at least a first fuel cell and a second fuel cell which are electrically coupled with each other; a converter (120) comprising a first switch electrically coupled to the first fuel cell and a second switch electrically coupled to the second fuel cell; and a controller (130) configured to operate the first and second switches in coordination to regulate the operation of the first and second fuel cells based on a differential measurement value of performance parameters associated with at least one of the first and second fuel cells.
Absstract of: WO2026057155A1
The invention relates to an electrochemical cell (1), in particular electrolysis cell or fuel cell, comprising - a membrane (2), - a catalyst layer (3) on either side of the membrane (2) defining an active area (4) and - a frame (5) for one-sided support of the membrane (2) in a peripheral edge area (6), leaving the active area (4) free, whereby the membrane (2) and the frame (5) are connected by positive locking. The invention further relates to an electrochemical cell stack comprising at least one electrochemical cell (1) according to the invention.
Absstract of: WO2026057439A1
The invention relates to a bipolar plate (10) having main surfaces (14, 16), a first plurality of elevations (18) and a first plurality of depressions (20), a second plurality of elevations and a second plurality of depressions, wherein a depression (20) has a counterpart elevation, wherein each elevation (18) and each depression (20) has a length (L), a width (B) and a height, wherein each elevation has, at its free end, as viewed in height direction, a tolerance compensation device which is set up to be elastically and/or plastically deformable such that the height of a corresponding elevation is reduced when a force acts on the free end of the elevation. The invention further relates to a stack comprising two such bipolar plates.
Absstract of: WO2026057156A1
The invention relates to an electrochemical cell (1), in particular an electrolysis cell or fuel cell, with a layered construction, comprising a membrane (2) for separating an anode from a cathode, and - on either side of the membrane (2) - a catalyst layer (3), a porous transport or gas diffusion layer (4) and a bipolar plate (5), wherein the membrane (2) has an edge region (7) extending beyond the catalyst layers (3) and the porous transport or gas diffusion layers (4). The invention is characterized by - a frame part (6) supporting the edge region (7) on one side of the membrane (2) and - a filling element (8) arranged on the side of the membrane (2) facing away from the frame part (6) for holding down the edge region (7). The invention further relates to an electrochemical cell stack comprising at least one electrochemical cell (1) according to the invention.
Nº publicación: WO2026057423A1 19/03/2026
Applicant:
ROBERT BOSCH GMBH [DE]
ROBERT BOSCH GMBH
Absstract of: WO2026057423A1
The invention relates to a method for operating a hydrogen subsystem (110) of a fuel cell system (100), which is designed as a proton exchange membrane fuel cell system. The method comprises reading in sensor signals (105) via an interface (121) of sensor devices (101, 102, 103) of the fuel cell system (100). The sensor signals (105) represent present measured values of physicochemical operating conditions of the fuel cell system (100). The method comprises applying an operating specification (123) to the measured values in order to determine target operating variables (125) of the hydrogen subsystem (110). The operating specification (123) comprises constraints ascertained for the hydrogen subsystem (110), the constraints comprising a minimum hydrogen partial pressure at an anode outlet, a minimum gas velocity in the region of a flow field of an anode, a minimum anode pressure and a maximum anode pressure. The method comprises generating a control signal (127) using the determined target operating variables (125). The control signal (127) comprises predefined values for manipulated variables which can be set by means of actuating devices (112, 114) of the hydrogen subsystem (110) depending on the target operating variables (125). The method comprises providing the control signal (127) for output via an interface (121) to the actuating devices (112, 114) in order to operate the hydrogen subsystem (110).
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