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435
resultados
Última actualización
26/08/2025 [06:48:00]
Resultados 325 a 350 de 435
Resumen de: US2025260027A1
A system and method for detecting and conditioning cross-leaks in the operation of electrolysis systems includes a separator configured to separate the fluid into a first stream and a second stream; a heat exchanger configured to lower a temperature of the first stream to form a condensed liquid within the first stream via condensation; a trap system configured to drain the condensed liquid out of a lower outlet of the trap system and transfer a gas composition within the first stream out of an upper outlet of the trap system; a flow control and metering system configured to reduce a pressure of the first stream such that additional liquid is formed and removed from the first stream due to a pressure drop, therein providing a conditioned gas in the first stream; and a gas sensor configured to measure the conditioned gas in the first stream.
Resumen de: US2025260031A1
A fuel cell system, includes: a fuel cell stack configured by stacking a power generation cell including an electrolyte membrane and an electrode; a temperature sensor configured to detect a stack temperature of the fuel cell stack; a current limiting circuit configured to limit an output current output from the fuel cell stack to a limit value or less; and an electronic control unit. The electronic control unit: executes warm-up of the fuel cell stack at time of low-temperature startup in which the fuel cell stack is started from a predetermined low-temperature state; estimates a water content of the power generation cell; sets the limit value based on the stack temperature and the water content; and controls the current limiting circuit to limit the output current to the limit value or less after the warm-up is completed.
Resumen de: US2025260025A1
The invention relates to an electrochemical cell (100) having a membrane electrode unit (1), a diffusion layer (5) and a distributor plate (7, 20). The membrane electrode unit (1) has a frame structure (16), wherein the frame structure (16) has a film (161) which is adhesively bonded to a membrane (2) by means of an adhesive (163). The diffusion layer (5) and the distributor plate (7, 20) partially contact the film (161). The film (161) has at least one first recess (161a) and at least one second recess (161b). The adhesive (163) is arranged in the two recesses (161a, 161b) such that it forms a connection to the diffusion layer (5, 6) lying thereabove via the first recess (161a) and forms a connection to the distributor plate (7, 8, 20) lying thereabove via the second recess (161b).
Resumen de: US2025260029A1
The fuel cell system includes a plurality of fuel cell stacks, an oxidant gas supply unit having a turbo compressor that supplies oxidant gas to each of the fuel cell stacks, and a control device that determines a required operation number for the fuel cell stacks and a target supply pressure and a target supply flow rate of oxidant gas to be commanded to the oxidant gas supply unit according to a required output. The oxidant gas supply unit has an adjustment mechanism that adjusts a supply rate, which is a ratio of a supply flow rate supplied to the plurality of fuel cell stacks, with respect to a discharge flow rate of the turbo compressor. The control device monitors the pressure ratio in the turbo compressor and controls the adjustment mechanism to reduce the supply rate when the pressure ratio exceeds a predetermined threshold.
Resumen de: US2025260023A1
The cells of the fuel cell stack have an adhesive sheet between adjacent first cell and second cell. The pressure-sensitive adhesive sheet adheres the first separator of the first cell to the second separator of the second cell. The first separator of the first cell comprises ribs in the adhesive region of the adhesive sheet, the ribs being adhered to the flat surface of the second separator of the second cell by the adhesive sheet. The width of the flat surface is larger than the width of the rib base portion.
Resumen de: US2025260022A1
A corrugated-flat-tubular electrochemical cell configured in a layered structure including a porous metal support layer having disposed therein a plurality of gas flow channels, a barrier layer, a fuel electrode layer, a solid oxide electrolyte layer, and an oxygen electrode layer, wherein each layer is configured in a corrugated pattern.
Resumen de: US2025260038A1
A method of recycling a waste catalyst coated membrane material comprising an ionomer membrane, at least one catalyst comprising platinum, palladium and/or ruthenium, and at least one catalyst comprising iridium, the method comprising: (a) treating the waste catalyst coated membrane material with a heated solution comprising an acid and an oxidant, wherein platinum, palladium and/or ruthenium is leached from the waste catalyst coated membrane material into the solution which is separated from remaining solid components of the waste catalyst coated membrane material; (b) treating the waste catalyst coated membrane material with a solvent to disperse the ionomer membrane and recover a dispersion of ionomer, wherein the dispersing of the ionomer is performed before or after the leaching of the platinum, palladium and/or ruthenium; and (c) treating the waste catalyst coated membrane material to extract iridium.
Resumen de: US2025260026A1
The present disclosure pertains to a system (5) comprising a plurality of power converters (20-1 to 20-n) configured, via a processing device (30), to balance heat from a plurality of fuel cell stacks (10-1 to 10-n). Some embodiments may: set one or more parameter values of one of the power converters (20-1) located at the output of one of the plurality of stacks (10-1) such that the one stack preferentially provides power to a load; determine a heat power of the one stack (10-1) and of one or more other stacks of the plurality of stacks (10-2 to 10-n), each of the heat powers being determined based on a voltage and current that are determined at the input of the respective power converter (20-1 to 20-n); determine whether the heat power of the one stack (20-1) satisfies a criterion; and responsive to a determination that the heat power of the one stack satisfies the criterion, set one or more parameter values of each of the power converters (20-2 to 20-n) located at the output of the one or more other stacks such that the determined heat power of each of the one or more other stacks (10-2 to 10-n) more closely matches the determined heat power of the one stack (10-1).
Resumen de: AU2024219667A1
The present disclosure provide a nitrogen-containing compound, which includes a segment I with a formula of , wherein a represents number of methylene groups, a is a positive integer, Ar1 is an aryl structural unit, and R1 and R2 are each independently selected from H, a hydrocarbyl group, or a substituted hydrocarbyl group, or, R1 and R2 are connected and form a poly-membered ring together with a N atom to which they are connected. The present disclosure provide a nitrogen-containing compound, which includes a segment I + Ar a with a formula of R1 R2, wherein a represents number of methylene groups, a is a positive integer, Ar is an aryl structural unit, and R1 and R2 are each independently selected from H, a hydrocarbyl group, or a substituted hydrocarbyl group, or, R1 and R2 are connected and form a poly-membered ring together with a N atom to which they are connected. ep e p h e p r e s e n t d i s c l o s u r e p r o v i d e a n i t r o g e n - c o n t a i n i n g c o m p o u n d , w h i c h i n c l u d e s a s e g m e n t + r w i t h a f o r m u l a o f , w h e r e i n a r e p r e s e n t s n u m b e r o f m e t h y l e n e g r o u p s , a i s a p o s i t i v e i n t e g e r , r i s a n a r y l s t r u c t u r a l u n i t , a n d a n d a r e e a c h i n d e p e n d e n t l y s e l e c t e d f r o m , a h y d r o c a r b y l g r o u p , o r a s u b s t i t u t e d h y d r o c a r b y l g r o u p , o r , a n d a r e c o n n e c t e d a n d f o r m a p o l y - m e m b e r
Resumen de: AU2024219721A1
An anitrogen-containing multicomponent copolymer is provided, and includes at least two of a chain segment I, a chain segment II, and a chain segment III. A structural formula of the chain segment I is represented by , where Ar1 is an aryl structural unit. A structural formula of the chain segment II is represented by , where Ar2 is an aryl structural unit. A structural formula of the chain segment III is represented by , where Ar3 is an aryl structural unit. An anitrogen-containing multicomponent copolymer is provided, and includes at least two of a chain segment I, a chain segment II, and a chain segment III. A + Ar nl structural formula of the chain segment I is represented by R1 , where Ar1 is an aryl structural unit. A structural formula of the chain segment II is represented by ( Ar2 xR3 N , where Ar2 is an aryl structural unit. A structural formula of the chain ( Ar3 ) segment III is represented by N , where Ar3 is an aryl structural unit. ep n a n i t r o g e n - c o n t a i n i n g m u l t i c o m p o n e n t c o p o l y m e r i s p r o v i d e d , a n d i n c l u d e s a t e p l e a s t t w o o f a c h a i n s e g m e n t , a c h a i n s e g m e n t , a n d a c h a i n s e g m e n t + r n l s t r u c t u r a l f o r m u l a o f t h e c h a i n s e g m e n t i s r e p r e s e n t e d b y , w h e r e r i s a n a r y l s t r u c t u r a l u n i t s t r u c t u r a l f o r m u l a o f t h e c h a i n s e g m e n t i s r e p r e s e n t e d b y - r R3 , w h e r e r i s a
Resumen de: WO2024184651A1
An electrode for an electrochemical cell. The electrode comprising at least a first layer comprising a first electrode composition, the first electrode composition comprising Pr(1- x)LnxO(2-0.5x-δ) and a source of lithium. Ln is selected from at least one rare earth metal selected from La, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Sc, Y and mixtures thereof. δ is the degree of oxygen deficiency, and 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: AU2024215870A1
Provided is a manufacturing method for a gas diffusion layer 10 that has a carbon fiber layer 10a including carbon fibers and a porous layer 10c including a conductive material and a binding resin. The manufacturing method for the gas diffusion layer 10 uses a spraying method or a vapor phase method to impart a conductive material P from a surface 10b side of the carbon fiber layer 10a of a laminate having the carbon fiber layer 10a and the porous layer 10c. The manufacturing method enables an electrolytically active gas diffusion layer to be manufactured.
Resumen de: US2025253373A1
A carbon dioxide recovery apparatus for recovering carbon dioxide contained in an exhaust gas of a fuel cell system includes: an inlet unit configured to introduce the exhaust gas of the fuel cell system; a heat exchange unit configured to cool the exhaust gas by heat exchange; a first moisture absorbing unit configured to separate condensed water from the exhaust gas; a second moisture absorbing unit configured to absorb moisture of the exhaust gas; a carbon dioxide recovery unit configured to recover carbon dioxide from the exhaust gas; a first gas line connected to an outlet unit through the heat exchange unit, the first moisture absorbing unit, the second moisture absorbing unit, and the carbon dioxide recovery unit in this order from the inlet unit; and a pump provided in the first gas line.
Resumen de: WO2025168941A1
The invention provides a redox flow battery comprising an organic redox species and hydrogen which provides an energy storage solution with high energy density and good long-term capacity retention. The use of this organic redox species together with a hydrogen anolyte creates a system that is also resistant to issues of electrolyte cross over and which avoids the use of metallic redox species.
Resumen de: WO2025168838A1
The system comprises a fuel cell including a pair of electrodes including an anode and a cathode separated by an electrolyte, a first inlet for introducing hydrogen into said fuel cell at said anode, and a second inlet for introducing oxygen into said fuel cell at said cathode. The cathode may comprise protrusions facing the electrolyte.
Resumen de: WO2025166395A1
The present invention relates to a method for controlling an operating fluid supply flow for supplying branching sections (211, 212, 213, 214) of a flow path (210) of a fuel cell system (300) with an operating fluid, which can be provided to the flow path (210) by an operating fluid conveying device (220) with an actual supply flow (IVS). First, the degrees of passage of control elements (230) are detected, the control elements being arranged downstream of the operating fluid conveying device (220) in the branching sections (211, 212, 213, 214) and the degree of passage of each of the control elements being controllable in order to individually set an actual branch supply flow (IZVS) in the respective branching section (211, 212, 213, 214). On the basis of at least one of the detected degrees of passage, a target supply flow (SVS) with which the operating fluid is to be provided to the branching sections (211, 212, 213, 214) by the operating fluid conveying device (220) is determined. The actual supply flow (IVS) is then controlled to the target supply flow (SVS). The invention further relates to a computer program product, a control device (100), a control system (200) and a fuel cell system (300), each of which make use of the method according to the invention.
Resumen de: WO2025168929A1
Method According to the invention there is provided a method of manufacturing a catalyst-coated ion- conducting membrane or a membrane electrode assembly. The method comprises the steps of: providing an ion-conducting membrane comprising a first face and a second face; depositing a catalyst ink onto the first face of the ion-conducting membrane to form a wet catalyst layer, wherein the catalyst ink comprises a solvent, an electrocatalyst dispersed in the solvent, and an ion-conducting polymer or a blend of polymers; and drying the wet catalyst layer to form a dried catalyst layer, wherein the ion-conducting polymer or the blend of polymers has a stress relaxation time of 600 s or less.
Resumen de: WO2025170515A1
A clamping band (1) for maintaining a compression of an electrical stack assembly (2), particularly fuel cell stack assembly, comprising at least an elongated band el- ement (4) having a first end and a second end (6), wherein the band element (4) is at least partially made from an electrically insulating material.
Resumen de: WO2025170516A1
A clamping band (1) for maintaining a compression of an electrical stack assembly, particularly fuel cell stack assembly, comprising at least an elongated band element (2) having a first end (4) and a second end, and at least one fastening element (6), wherein the at least one fastening element (6) includes at least one bolt portion (8) configured to be attachable to a part of the electrical stack assembly (2), wherein the fastening element (6) comprises at least one marker (14) that marks a position and/or an orientation of the fastening element (6).
Resumen de: WO2025168687A1
The invention relates to an installation (10) intended for the production of solid oxide stacks (14), which comprises: - an enclosure (12) of main axis A in which the stacks (14) are intended to be placed coaxially with the main axis A; - a first shaft (22) and a second shaft (24) between which the stacks (14) are placed; - heating elements (32) arranged in the enclosure (12), characterized in that the main axis A of the enclosure (12) is horizontal and perpendicular to a vertical axis according to the Earth's gravity, and in that the enclosure (12) comprises means for driving the stacks and shafts (22, 24) in rotation about the main axis A.
Resumen de: WO2025168366A1
The invention relates to a methanol reformer system (1) comprising: a methanol reformer (2); a waste heat utilisation system (3) having a first heat exchanger (4); a water recovery system (5) having a second heat exchanger (6) and a water separator (15); and a cooling water system (7) which is connected to the waste heat utilisation system (3) and the water recovery system (5), wherein an exhaust gas line (8) of the methanol reformer (2) is connected to an inlet (9) on a primary side (10) of the first heat exchanger (4), an outlet (11) on the primary side (10) of the first heat exchanger (4) is connected to an inlet (12) on a primary side (13) of the second heat exchanger (6), and an outlet (14) on the primary side (13) of the second heat exchanger (6) leads into the water separator (15). The invention also relates to a methanol reformer fuel cell system. The invention also relates to a method for recovering heat and water in a methanol reformer system (1).
Resumen de: DE102024201261A1
Die Erfindung betrifft ein Verfahren zum Betreiben eines Luftsystems (1), umfassend einen Zuluftpfad (2) mit integriertem Luftverdichter (3), über den mindestens ein Brennstoffzellenstapel (4) mit verdichteter Luft versorgt wird, wobei die verdichtete Luft vor ihrem Eintritt in den Brennstoffzellenstapel (4) mit Hilfe einer in den Zuluftpfad (2) integrierten Kühlvorrichtung (5) gekühlt wird. Erfindungsgemäß wird die Luft in der Kühlvorrichtung (5) mittels Wassereinspritzung befeuchtet und anschließend durch eine mehrere parallel verlaufende Luftkanäle (6) ausbildende Struktur (7) der Kühlvorrichtung (5) geleitet, wobei Wassertropfen, die von der Luft mitgeführt werden, verdunsten, so dass der Luft Energie entzogen und die Luft gekühlt wird.Die Erfindung betrifft ferner eine Kühlvorrichtung (5) sowie ein Luftsystem (1) mit einer erfindungsgemäßen Kühlvorrichtung (5).
Resumen de: MX2025001002A
A flow battery includes a first conductive plate and a second conductive plate. Each of the first and second conductive plates has an undulating surface formed with a first plurality of undulations which extend along a first axis of the conductive plate, and a second plurality of undulations which extend along a second, perpendicular axis of the conductive plate. The first and second conductive plates are arranged to form a first cell of the flow battery in which the respective undulating surfaces of the first and second conductive plates provide a cathode and a corresponding anode of the first cell, and define opposing walls of an electrolyte flow channel between the first and second conductive plates.
Nº publicación: EP4600891A2 13/08/2025
Solicitante:
ENEOS CORP [JP]
ENEOS Corporation
Resumen de: EP4600891A2
A management center (40) is proposed, comprising a management apparatus (42) for managing a first site (10a, 10b, 30) configured to produce hydrogen and a second site (10c, 10d, 10e, 10f, 10g, 10h) to which hydrogen is supplied from the first site, whereinthe management apparatus (42) is configured to adjusts a power consumption amount of a hydrogen production device (12a, 12b, 32) included in the first site (10a, 10b, 30), on the basis of a command for adjusting supply and demand of power and information related to the second site.
BOPI
Sede Electrónica
