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522
resultados
Última actualización
15/01/2026 [06:49:00]
Resumen de: AU2024282686A1
The invention relates to a method for producing a catalyst-coated membrane (25) for an electrochemical cell (25). In the method, a powdery sulphonated fluorine-free polymer (1) is first provided in a step (S1). In a further step (S2) of the method, the sulphonated fluorine-free polymer (1) is dispersed in a water-free solvent (3) to form a plastisol (5). Then, in a step (S3), a catalyst material (7) is mixed with the plastisol (5) to form a catalyst paste (9). In a step (S4), the catalyst paste (9) is then applied to a membrane substrate (11).
Resumen de: EP4678681A1
Die Erfindung befasst sich mit der Herstellung von Anionen leitenden Polymeren, welche für den Einsatz in der alkalischen Membranwasserelektrolyse bestimmt sind. Konkret soll die Quellungsneigung von Anionen leitenden Polymeren in alkalischen wässrigen Lösungen reduziert werden, ohne dass die spezifische Anionenleitfähigkeit dieser Polymere stark beeinträchtigt wird. Dies gelingt durch die Zugabe eines weiteren Edukts in das Reaktionsgemisch. Insgesamt wird das Polymer aus drei Edukten hergestellt, nämlich aus 4,4-bis-(4-hydroxy-3,5-dimethyl-phenyl)-1-methyl-piperidin (Formel I), aus 4,4'-Difluorbenzophenon (Formel II), sowie aus 4,4'-Dihydroxybenzophenon (Formel III) bzw. aus Bis(4-hydroxy-3,5-dimethylphenyl)methanone (Formel IV).
Resumen de: WO2024186970A1
A sensor device for measuring pH of stoma dejecta includes a microbial fuel cell (MFC). The sensor device measures electric current generated in the MFC and analyzes the electric current measurements to determine pH of stoma dejecta or a change in pH of stoma dejecta.
Resumen de: CN118630253A
The invention relates to a fuel cell cooling system comprising a cooling circuit in which a coolant circulates, in which a fuel cell and a radiator configured to cool the fuel cell are arranged. The fuel cell cooling system further includes a hydrogen evaporator for converting liquid hydrogen from the liquid hydrogen tank into gaseous hydrogen, air passing through the hydrogen evaporator to exchange heat with the hydrogen therein, the hydrogen evaporator being disposed on an intake path of the radiator such that the air pre-cooled by the hydrogen evaporator flows into the radiator as intake air. The invention also relates to a fuel cell cooling method implemented by using the fuel cell cooling system.
Resumen de: CN120814072A
An electrode for an electrochemical cell. The electrode comprises at least a first layer comprising a first electrode material, the first electrode material being a composition Ppy: Pr (1-(x + y)) LnxO (2-0.5 x-delta). Ln is selected from at least one rare earth metal, delta is oxygen deficit degree, y is greater than or equal to 0.0001 and less than or equal to 0.05, and x is greater than or equal to 0.01 and less than or An electrochemical cell comprising said electrode and a stack of said electrochemical cells, a method for producing said electrode and said composition.
Resumen de: CN120836092A
An electrode for an electrochemical cell. The electrode comprises at least a first layer comprising a first electrode composition comprising Pr (1-x) LnxO (2-0.5 x-delta) and a lithium source. Ln is selected from at least one rare earth metal selected from the group consisting of La, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Sc, Y and mixtures thereof. Delta is oxygen deficit degree, 0.01 < = x < = 0.4. An electrochemical cell comprising said electrode and a stack of electrochemical cells, a method for producing said electrode and said composition.
Resumen de: AU2024233811A1
The present invention relates to a device for electrochemical balancing of electrolytes of a redox flow battery, a redox flow battery system device, methods using thereof and uses thereof.
Resumen de: CN120476487A
The invention relates to a component (1) of an electrochemical cell (10), comprising a metal substrate (2) and a layer system (3) which is galvanically and/or chemically applied at least partially to the metal substrate (2), wherein the layer system (3) optionally comprises a first layer (3a) arranged on the metal substrate (2) and at least one second layer (3b) arranged on the metal substrate (2) or, if present, on the first layer (3a), and at least one second layer (3b) is formed from an alloy comprising at least two of the elements tin, copper, nickel, silver, zinc, bismuth, antimony, cobalt, manganese, tungsten, tantalum, niobium, wherein non-metallic particles comprising electrically conductive particles are present in the alloy in a bonded manner. On the free side of at least one second layer (3b) of the layer system (3) facing away from the metal substrate (2), which free side is optionally oxidized, a cover layer (33) is formed either a) from a metal carbide or metal nitride or amorphous carbon or b) from at least one self-organizing organic monolayer or at least one polymer.
Resumen de: CN120770081A
The invention relates to a system (100) for supplying electric power to an electric motor (82) of a hybrid electric vehicle, the power supply system (100) comprising a hydrogen fuel cell unit (26), a hydrogen tank (160) capable of supplying the hydrogen fuel cell unit (26), and a voltage booster (740) at an output of the hydrogen fuel cell unit (26), the voltage booster (740) comprising an induction coil (741), the hydrogen tank (160) is a low-temperature tank capable of maintaining hydrogen in a liquid state and having a temperature lower than the liquefaction temperature of the hydrogen, and the induction coil (741) is immersed in the hydrogen tank (160) and is formed of a material that is a superconductor at the temperature of the liquid hydrogen in the hydrogen tank (160).
Resumen de: CN120659909A
An electrochemical cell stack (1) comprising a plurality of cells (2) separated from one another by bipolar plates (5, 5 '), where each cell (2) is formed by two half-cells (3, 4) between which a membrane (6) surrounded by a support frame (7) is arranged, and where a porous transport layer (10, 11) is present in each half-cell (3, 4). The support frame (7) describes a step shape having two adjacent cross-sectional areas (12, 13), in which the edge (18) of the membrane (6) lies in a step (17) formed by the cross-sectional areas (12, 13) and the porous transport layer (10) of the half-cell (3) extends into the step (17), and in which the porous transport layer (10) of the half-cell (3) extends into the step (17). According to the invention, the support frame (7) comprises at least one sealing arrangement (15) injection molded onto the support frame (7) and comprising an electrically insulating sealing material, according to the invention, the sealing arrangement (15) comprises three sealing regions (19, 20, 21), each having at least one sealing lip (22, 22 '), in particular a first sealing region (19) and a second sealing region (20) and a third sealing region (21), which are assigned to narrower regions of the two cross-sectional regions (12, 13) facing the membrane (6), the first sealing region and the second sealing region each contact exactly one bipolar plate (5, 5 '), and the third sealing region is located on a side of the support frame (7) facing away from the step (17)
Resumen de: MX2025010333A
The present disclosure relates to fuel cells comprising fuel storage materials made from mesoporous N-doped carbon materials. The fuel storage materials comprise a proton conducting polymeric material and a composite material comprising a scaffold of coalesced (N-doped) carbon nanofoam particles, and a coating on the scaffold, said coating comprising N-doped graphitic carbon. The fuel storage materials allow fuel reserves to be stored inside the fuel cell, and are typically incorporated adjacent to an electrode to provide fuel to the electrode when the fuel cell is operating in redox mode.
Resumen de: EP4679541A1
Eine Brennstoffzellenabgasanlage für ein Brennstoffzellensystem, insbesondere in einem Fahrzeug, umfasst eine Wasser-Abscheideanordnung (24) zum Abscheiden von in Brennstoffzellenabgas (B) enthaltenem Wasser (W) sowie eine Wasserstoff-Katalysatoranordnung (30) zum katalytischen Umsetzen von im Brennstoffzellenabgas (B) enthaltenem Wasserstoff stromabwärts der Wasser-Abscheideanordnung (24).
Resumen de: UA129667C2
The invention relates to the energy industry and concerns an iron-iron flow battery system, which implements the process of electrolyte regeneration by introducing into the positive electrolyte circuit of an iron-hydrogen battery powered by hydrogen produced during charging at the negative electrode of an iron-iron flow battery, and Fe3+ ions generated during charging at its positive electrode, and a flow iron-oxygen electrolyzer, which uses the current generated by the flow iron-hydrogen battery to reduce Fe3+ ions in the negative electrolyte and generate hydrogen protons to restore its acidity. As a result, the system reduces the excess Fe3+ released on the positive electrode to Fe2+ in the positive electrolyte, maintains a stable pH value in the negative electrolyte, and reduces the Fe3+ ions in the negative electrolyte that pass from the positive electrolyte through the membrane to Fe2+ ions, thereby reducing corrosion of the negative electrode. The invention ensures elimination of the imbalance in the degree of charge of the positive and negative electrolytes. 28
Resumen de: UA129666C2
The invention belongs to the energy industry and relates to a method of regenerating electrolytes in an iron-iron flow battery system by introducing into the positive electrolyte circuit of an iron-hydrogen battery powered by hydrogen produced during charging at the negative electrode of the iron-iron battery, and Fe3+ ions formed during charging on its positive electrode, and an iron-oxygen electrolyzer, which, using the current received from the operation of the iron-hydrogen battery, restores Fe3+ ions in the negative electrolyte and generates hydrogen protons to restore its acidity. As a result of this implementation of the method, excess Fe3+ released at the positive electrode is reduced to Fe2+ in the positive electrolyte, a stable pH value is maintained in the negative electrolyte, and Fe3+ ions passing from the positive electrolyte through the membrane are reduced in the negative electrolyte to Fe2+ ions, thereby reducing corrosion of the negative electrode. The invention ensures elimination of the imbalance in the degree of charge of the positive and negative electrolytes.
Resumen de: EP4679542A1
The present invention relates to a cartridge for a fuel cell humidifier, and to a fuel cell humidifier, the cartridge comprising: an inner case having openings at both ends; and a hollow fiber membrane bundle inside the inner case, wherein the inner case comprises: a first variable case having an inner inlet through which a first gas flows in; a second variable case distanced from the first variable case along the first axial direction and having an inner outlet through which the first gas is discharged; and a central case to which at least one of the first and second variable cases movably couples.
Resumen de: EP4679573A1
The present invention provides a carbon/air secondary battery that can secure a large amount of stored electricity, has high charge/discharge efficiency, and has good cycle characteristics.A secondary battery 1 has a reactor 20 in which a negative electrode 21 is installed inside, which is separated from the outside by an electrolyte 23 and which is configured to store carbon that deposits during charging inside, and a structure 60 which surrounds the reactor 20 and suppresses heat loss due to radiant heat transfer from the reactor 20. During charging, carbon dioxide is electrolyzed on the surface of the negative electrode 21, causing carbon to deposit on the negative electrode side, which is a closed system, and at the positive electrode 22, oxygen is generated from oxide ions which are generated at the negative electrode 21 and are permeating the electrolyte 23. During discharging, oxide ions are generated from oxygen at the positive electrode 22, and carbon and/or carbon monoxide are electrochemically oxidized on the surface of the negative electrode 21 to generate carbon dioxide.
Resumen de: AU2024235178A1
A method and system for generating electrical power for supply to a utility scale electrical grid managed by a central management authority is disclosed. The method and system comprise processing waste material and an environmental air supply to generate a hydrogen supply and generating electrical power based on the hydrogen supply, wherein the electrical power is generated to have predetermined supply characteristics configured to meet stability requirements of the utility scale electrical grid.
Resumen de: AU2024233222A1
The disclosure provides batteries that have long-duration or long-lifetime for energy storage applications. In one aspect, the disclosure provides perylene diimide molecules that are water soluble and can be used as energy storage materials. In operation, the perylene diimide molecules are oxidized in an anode chamber and the electrons released in the oxidation process flow to the cathode chamber where they reduce a molecule in the cathode chamber. The perylene diimide molecules in accordance with many embodiments are highly compatible with polymeric materials that are inexpensive and easy to process, hence allowing for significantly reduced manufacturing costs.
Resumen de: AU2024239686A1
The disclosure provides redox flow batteries that have long-duration or long-lifetime for energy storage applications. The water-soluble perylene diimide based molecules can be used as energy storage materials in the anode chambers. The water-soluble ferrocene- based molecules can be used as energy storage materials in the cathode chambers. The redox flow batteries have negligible crossover rates across the membranes.
Resumen de: WO2024186508A2
Processes and systems that utilize a fuel cell for carbon capture from a petrochemical stream that contains hydrogen and methane. The petrochemical stream can be the tail gas of a hydrocarbon cracking system, or any other petrochemical stream containing hydrogen and methane. The petrochemical stream can be separated into a hydrogen product stream and a methane product stream, before sending the methane product stream to the fuel cell. The fuel cell converts methane to carbon dioxide and hydrogen to water, while generating electricity that can be used to power equipment.
Resumen de: EP4679572A1
The present invention provides a fuel regeneration apparatus capable of preventing a short circuit due to an increase in the volume of metal. The present invention relates to a regeneration apparatus for regenerating fuel containing a metal oxide of a fuel cell using a metal as fuel, the apparatus comprising a container configured to be capable of accommodating the fuel containing the metal oxide, wherein the container comprises electrodes configured to be capable of applying a current to the fuel to reduce the metal oxide to a metal, and a crushing unit configured to be capable of mechanically crushing at least a part of the reduced metal generated on a surface of a negative electrode among the electrodes.
Resumen de: EP4679076A1
A method for fabricating a thin film device 10. The method includes steps of (a) forming a structure 90 by forming a laminate structure above a substrate 11 and (b) removing an unnecessary portion from the structure 90 to form a bridge structure 20. The laminate structure includes a first electrode layer 31, a ceramic layer 50, a second electrode layer 41, a third insulating layer 123, and a heater layer 61 in the order described. The bridge structure 20 includes a stage 21 supporting the laminate structure and at least one bridge 22 extending from the periphery of the stage 21.
Resumen de: EP4678364A1
To provide a sheet and a sealing material which contain clay as a base and are excellent in water resistance in a high-temperature environment. The sheet contains swelling clay and non-swelling clay. The swelling clay contains a first component and a second component having a structure different from a structure of the first component. The non-swelling clay is clay in which ions of the first component and the second component are exchanged in a dispersion medium, and is clay that exhibits a non-swelling property by heating. The sheet includes the first component, the second component, and a third component that is optionally contained. The first component is the swelling clay in which an interlayer is substituted with Li, the second component is Na-type montmorillonite or K-type montmorillonite, the third component is a filler. In the sheet, when a total weight of the first component, the second component, and the third component is set to 100 wt%, a content of the first component is 25 wt% or more and 80 wt% or less, a content of the second component is 10 wt% or more and 50 wt% or less, and a content of the third component is 0 wt% or more and 80 wt% or less.
Resumen de: EP4679071A1
In an embodiment, a processing method related to an electrochemical cell, in which at least one of an anode and a cathode includes a catalyst, is provided. In the processing method, whether or not a target electrochemical cell can be reused as it is is determined based on a sum of a cell membrane resistance caused by a membrane and a cell catalyst resistance caused by a catalyst. In the processing method, whether or not the target electrochemical cell can be regenerated without separating the anode and the cathode is determined based on the cell catalyst resistance when it is determined that the target electrochemical cell cannot be reused as it is.
Nº publicación: GB2642534A 14/01/2026
Solicitante:
THE UNIV COURT OF THE UNIV OF ABERDEEN [GB]
The University Court of the University of Aberdeen
Resumen de: GB2642534A
A system and process for facilitating the direct electrolysis of saltwater, such as seawater, is described. The system comprises an acid-base flow battery (ABFB) 230 with an acid solution outlet 403, an alkaline solution outlet 402 and a saltwater inlet 401; and a water electrolyser 340 downstream of the ABFB for producing hydrogen 408, the electrolyser comprising a negative electrode and a positive electrode. The ABFB is in fluid communication with the water electrolyser, such that, in use, an alkaline solution from the alkaline solution outlet of the acid-base flow battery passes into a positive electrode channel of the water electrolyser proximal the positive electrode. By coupling a water electrolyser with an upstream acid-base flow battery in this way, the base solution by-product from the ABFB is fed into the positive (anode) channel of the electrolyser. In this way, the pH proximal the positive electrode is increased. As a result, saltwater is subjected to electrolysis without the evolution of chlorine or bromine at the positive electrode. The brine by-product of the process may be subjected to freshwater-saltwater reverse electrodialysis (RED) to convert dilution energy to usable electricity.
BOPI
Sede Electrónica
