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557
results.
Updated on
17/09/2025 [06:50:00]
Results 425 to 450 of 557
Absstract of: US2025279450A1
The fuel cell system includes a fuel cell, a fuel gas tank, a gas flow path, a pressure reducing valve, a pressure sensor for acquiring the pressure of the gas on the side of the fuel cell with respect to the pressure reducing valve, an operation storage unit for storing the length of the deactivation period of the fuel cell system, and a control unit. The control unit performs start control for starting the operation of the fuel cell when the first start condition including that the pressure acquired by the pressure sensor is smaller than the first pressure threshold is satisfied, and performs start control when the second start condition including that the pressure acquired by the pressure sensor is larger than the first pressure threshold and the length of the pause period stored in the operation storage unit is larger than the pause threshold is satisfied.
Absstract of: US2025279445A1
A fuel ejector is disclosed to provide gaseous fuel to a fuel cell. The fuel ejector includes an ejector body having first and second fluid inlets and a mixing volume. A nozzle is removably engaged to the ejector body in axial alignment with the first fluid inlet. The nozzle is axially adjustable in position with shims to position the nozzle inlet at a desired location within the mixing volume. A sleeve may also be selected and positioned in the first inlet to establish a throat diameter.
Absstract of: US2025279444A1
A cooling system for a fuel cell onboard a vehicle includes a coolant circuit and an evaporative cooling device including an evaporation chamber and a thermally conductive conduit extending through the evaporation chamber. The coolant circuit is configured to circulate a coolant through the coolant circuit and through a portion of the fuel cell. The thermally conductive conduit has an inner surface that at least partially defines a coolant channel in fluid communication with the coolant circuit and an opposite outer surface exposed to an environment within the evaporation chamber. When a working fluid is applied to the outer surface of the thermally conductive conduit within the evaporation chamber. the evaporative cooling device is configured to evaporatively cool the coolant flowing through the coolant channel by promoting evaporation of the working fluid from the outer surface of the thermally conductive conduit.
Absstract of: US2025279441A1
A fuel cell includes a flow field plate having at least one channel and at least one land, each of the at least one channel being positioned between two adjacent lands. The fuel cell further includes a catalyst layer. The fuel cell also includes a gas diffusion layer (GDL) positioned between the flow field plate and the catalyst layer. The catalyst layer has a first region aligned with the at least one channel and a second region aligned with at least one land. The first region has a first composition, a first carbon material, and a first carbon ratio of an amount of the first composition to the first carbon material. The second region has a second composition, a second carbon material, and a second carbon ratio of an amount of the second composition to the second carbon material. The first carbon ratio is different than the second carbon ratio.
Absstract of: US2025279442A1
Disclosed is an end cell heater for a fuel cell, including a heater plate; a power supply terminal coupled to the heater plate; a first electrode terminal coupled to a first end of the terminal; a heating element stacked on the heater plate; and a second electrode terminal coupled to the heating element and coupled corresponding to the first electrode terminal, wherein the heater plate includes a terminal guide protruding to surround the first electrode terminal, thereby ensuring electric connection between the first electrode terminal and the second electrode terminal.
Absstract of: US2025279439A1
Efficient and robust bifunctional electrocatalysts for both the oxygen reduction reaction and oxygen evolution reaction are required for renewable energy technologies such as fuel cells, water electrolysers and rechargeable metal-air batteries. To address this requirement an electrode is provided comprising carbon sphere chains (CSCs) upon a current collector, wherein the CSCs have a functionalized surface bearing oxygen-containing functional groups and manganese oxide (MnOx) nanorods attached to the functionalized surfaces of the CSCs. A manufacturing sequence for these electrodes is provided comprising providing a current collector having a surface that is catalytically active towards the growth of CSCs, growing CSCs on the catalytically active surface, functionalizing the surface of the CSCs, and growing MnOx nanorods on the functionalized surface.
Absstract of: US2025279440A1
A current collector includes a flow path connecting a gas supply end portion and a gas discharge end portion, the gas supply end portion being in the metal member for supplying gas to the electrochemical cell, and the gas discharge end portion being in the metal member for discharging the gas from the electrochemical cell. The flow path includes: first flow paths through which the gas flows from the gas supply end portion to the gas discharge end portion in a first direction of a longitudinal direction of each first flow path, the first flow paths being arranged in a second direction perpendicular to a stacking direction and different from the first direction; and a second flow path between the gas supply end portion and the first flow paths, the second flow path being capable of supplying the gas from the gas supply end portion to the first flow paths.
Absstract of: US2025279666A1
The fuel cell system includes a fuel cell stack in which a plurality of fuel cells is stacked and arranged, a battery electrically connected to the fuel cell stack and charging electric power generated by the fuel cell stack, and a control device that controls power generation by the fuel cell stack. The control device is configured to execute a low-voltage operation prior to transition to a normal operation, when the fuel cell system is activated. In the low-voltage operation, the power generation by the fuel cell stack is controlled so that the output voltage of the fuel cell is maintained at or below the first voltage value, and in the normal operation, the power generation by the fuel cell stack is controlled so that the output voltage of the fuel cell is maintained at or above the second voltage value higher than the first voltage value.
Absstract of: AU2024223621A1
An object of the invention is a module arrangement of solid oxide cell stacks being arranged to a 2 x N matrix, N being any natural number. The arrangement comprises a fuel inlet manifold (150) and a fuel outlet manifold (152) between the two adjacent stacks (103).The fuel inlet manifold (150) and the fuel outlet manifold (152) form a fuel manifold (171) to deliver supply fuel gas (108) to the stacks and fuel exhaust gas (177) from the stacks, and the stacks been arranged in the manifold in a parallel connection from the fuel gas supply and fuel exhaust gas connection point of view. The stacks (103) are arranged with a common oxygen side gas supply compartment (106) connecting the inlet side of the open structure of oxygen side gas delivery (105) and common oxygen side gas exhaust compartment (176) connecting the outlet side of the open structure of oxygen side gas delivery (105). The inlet manifold (150) comprises gas flow holes of controllable sizes to the stacks (103) for forming even gas flow to the stacks, and the outlet manifold (152) comprises gas flow holes of controllable sizes to the stacks (103) for forming even gas flow from the stacks. The module arrangement comprises a first gas seal (155), a first electrical insulation plate (119) and a second gas seal (156) between the manifold (171) and the stack (103). On top side (122) and on bottom side (124) of the cell stack (103) the module arrangement comprises a second electrical insulation plate (114), compression st
Absstract of: WO2025183275A1
Disclosed herein is an electrode slurry capable of repairing cracks in an electrode. According to an aspect of the present invention, provided is an electrode slurry for repairing cracks, the electrode slurry comprising at least 60 wt% of a first solvent that has a surface tension of at most 40 mN/m at 20oC, wherein the electrode slurry has a surface tension of at most 65 mN/m at 20 °C, a viscosity of at most 100 cP at 20 °C, and a total solids content of at most 12 wt%.
Absstract of: WO2025182144A1
A fuel cell unit 1a of the present disclosure comprises a plurality of fuel cell stacks 10, a measuring instrument 20, a first feeder 30, a second feeder 40, and a controller 50. The plurality of fuel cell stacks 10 are electrically connected in series. The measuring instrument 20 measures the voltage of the plurality of fuel cell stacks 10 electrically connected in series. The controller 50 causes the measuring instrument 20 to measure a voltage generated in the plurality of fuel cell stacks 10 under a first condition. Under the first condition, a plurality of fuel electrodes 11 of the plurality of fuel cell stacks 10 continue to receive fuel gas supply, and a plurality of oxidant electrodes 12 of the plurality of fuel cell stacks 10 are sequentially subjected to a process in which oxidant gas is supplied for a predetermined period and then the oxidant gas supply is stopped.
Absstract of: WO2025181819A1
The present invention relates to a Microbial-bio-electrochemical reactor (M-BEC) for enhanced bio-H2 production. More particularly, the present invention relates to a reactor for the removal of biodegradable contaminants from wastewater using biological processes. The developed system is intrinsically coupled the dark fermentation with microbial-electrochemical process together into a next generation bio-reactor which employs biocatalyst to convert chemical energy stored in organics to hydrogen energy. The coupled M-BEC technology has developed to aimed towards the enhancement of the metabolic activity of electrochemically active biocatalyst by supplying organic/inorganic nutrients, electron acceptors, or donors, which felicitate the electro-hydrogenesis in a membrane less single cell reactor for bio- Hydrogen (green H2) production. The present invention also relates to a process for treatment of contaminated water which contains a large amount of biodegradable suspended solids and high concentrations of BOD and COD and enables bio-hydrogen generation with simultaneous removal of biodegradable TSS from wastewater.
Absstract of: WO2025182758A1
The purpose of the present invention is to provide a low-cost porous carbon sheet that has a high compression deformation rate when constituting a water electrolysis cell, does not have the problems of penetration and short-circuiting, and has excellent electrical conductivity. The porous carbon sheet is a sheet-shaped structure having a porous structure in which carbon fibers are bound by a binder. The porous carbon sheet has a thickness d0 under a pressure of 0.15 MPa of 1.8-3.0 mm, a thickness d1 under a pressure of 1.0 MPa of 85% or more of the thickness d0 under the pressure of 0.15 MPa, and a thickness d2 under a pressure of 4.5 MPa of 75% or less of the thickness d0 under the pressure of 0.15 MPa.
Absstract of: WO2025181686A1
The present disclosure provides a system and method for electro-fuel synthesis by coupling renewable energy and Carnot battery with Solid-Oxide Electrolyser Cell (SOEC) and Direct Air Capture (DAC) arrangement. The system provides an end-to-end solution for electrofuels synthesis with round-the-clock available renewable energy using Carnot battery that provides 5 both heat and power to run an SOEC. The heat from the Carnot battery is also used by the DAC arrangement to capture carbon dioxide from air. SOEC and DAC together facilitate in producing syngas using one of the two possible ways, i.e., regular electrolysis followed by reaction of H2 with CO2, or co-electrolysis. Further, the syngas is used for electro-fuel synthesis, for example, Fischer-Tropsch synthesis, or methanol synthesis followed by 0 Methanol-To-Gasoline (MTG) synthesis. Electro-fuels may also be produced by direct reaction of carbon dioxide from DAC and green hydrogen from SOEC. The heat from either of the pathways is recycled back to the system.
Absstract of: WO2025182490A1
A hydrogen generation device (100) comprises: a heating unit (120); a reforming unit (122) that has a reforming catalyst and generates reformed gas containing hydrogen by reacting steam and a raw material gas by means of heat from the heating unit (120); and a CO reduction unit (123) that has a CO reduction catalyst and reduces the concentration of carbon monoxide contained in the reformed gas by means of heat from the heating unit (120). The catalyst reduction step includes: causing reducing gas to flow to the reforming unit (122) and the CO reduction unit (123) (step S1); alternately repeating a first period for heating the reforming unit (122) by means of heat from the heating unit (120) and a second period for stopping heating by means of the heating unit (120) (step S2).
Absstract of: WO2025181934A1
Provided is a metal-air battery that is capable of maintaining charge/discharge performance for a long period of time with a simpler configuration and less manufacturing labor. A metal-air battery 10 has a fuel cell 12, a fuel material body 14, and a bonding body 16. The bonding body 16 contains glass and is disposed between the fuel cell 12 and an airtight container 16a in order to join the fuel cell 12 and the airtight container 16a together. The airtight container 16a accommodates the fuel material body 14 in an airtight manner, and an air electrode 12b of the fuel cell 12 is fixed in an airtight manner to a portion of a wall of the airtight container in a state where the air electrode 12b is exposed to the outside. The fuel cell 12 and the fuel material body 14 are heated and maintained at respective prescribed temperatures. The crystallization temperature of the glass in the glass-containing bonding body 16 is higher than the prescribed temperature of the fuel cell 12. The metal-air battery 10 is manufactured such that the glass-containing bonding body 16 does not exceed the crystallization temperature, and is used in a temperature region where crystallization of the glass-containing bonding body 16 is not promoted.
Absstract of: WO2025181943A1
This electrode structure includes: an electrode skeleton; first catalyst particles embedded in the electrode skeleton at certain portions and exposed from the electrode skeleton at other portions; and second catalyst particles formed from the same component as the first catalyst particles and bonded to the first catalyst particles.
Absstract of: WO2025183876A1
The present disclosure provides a method for heating a dual stack fuel cell system of a vehicle. The method may include receiving a heat power request from a first fuel cell stack, receiving a first temperature of the first fuel cell stack and a second temperature of a second fuel cell stack, initiating, responsive to the first temperature and the second temperature indicating that the first fuel cell stack and the second fuel cell stack are frozen, a freeze-start thermal operating mode for the first fuel cell stack, and transferring, during the freeze-start thermal operating mode for the first fuel cell stack, heat from a brake resistor to the first fuel cell stack.
Absstract of: WO2025183484A1
The present application relates to a metal separator and a manufacturing method therefor. According to the present application, the metal separator having excellent electrical conductivity and corrosion resistance and the manufacturing method therefor can be provided.
Absstract of: WO2025183218A1
This electrolyte membrane comprises an electrolyte and a fullerene derivative having the structure in formula (1) (where FLN is fullerene or a derivative thereof, R 1 is an added group containing one or more carbon atoms, R 2 and R 3 are each independently a substituent containing one or more polar groups; n1≥1; n2≥1; and n3≥0).
Absstract of: WO2025183102A1
A flow path member comprises a metal first member and a metal second member. The first member has a first surface, a second surface that is located on the opposite side from the first surface, and a plurality of through holes that open to the first surface and the second surface. The second member is positioned such that a flow path is sandwiched between the first surface and the second member, and has a plurality of protrusions that protrude toward the first surface. The plurality of through holes include a first through hole that overlaps with at least one of the plurality of protrusions, in plan view from the second surface. The first through hole has: a second opening that opens to the second surface; and a first opening that opens to the first surface and that has a smaller opening area than the second opening.
Absstract of: WO2025181907A1
This solid oxide fuel cell is provided with: a metal support; a bonding layer provided on the metal support; a fuel electrode layer provided on the bonding layer; an electrolyte layer provided on a fuel electrode; and an air electrode layer provided on the electrolyte layer. The metal support has a base material formed of an alloy containing Fe and Cr and having a porous structure, an oxide film containing Al or Si and covering the surface of the base material, and metallic reforming catalyst particles carried on the oxide film and having a reforming catalyst function for fuel. The bonding layer is formed of an alloy containing Fe and Cr, and has a porous structure.
Absstract of: WO2025181908A1
This solid oxide fuel cell includes a battery laminate and gas seal parts for sealing outer peripheral ends of the battery laminate. The battery laminate includes: an electrolyte layer; an anode electrode layer and a cathode electrode layer disposed so as to sandwich the electrolyte layer therebetween; a cathode support disposed on the cathode electrode layer and including stainless steel; and a cathode junction layer disposed between the cathode electrode layer and the cathode support. The interfacial strength between the cathode junction layer and the cathode electrode layer is greater than the interfacial strength between the cathode support and the cathode junction layer.
Absstract of: WO2025179847A1
Provided in the present application is a fuel cell system, comprising a fuel cell stack, an air compressor, an intercooler, a humidifier, a water separator and an expander, wherein a gas discharged from the air compressor flows through the intercooler and the humidifier in sequence and then enters an inlet of the fuel cell stack; a gas discharged from an outlet of the fuel cell stack flows through the humidifier and the water separator in sequence and is then discharged; an air-cooling pipeline is provided in the air compressor; an outlet of the water separator is in communication with an inlet of the air-cooling pipeline by means of a first pipeline; an outlet of the air-cooling pipeline is in communication with an inlet of the expander; and air flowing out of the air-cooling pipeline drives the expander and the air compressor to coaxially rotate. Compared with the prior art, heat generated when the air compressor of the fuel cell system of the present application operates can be made full use of, and the temperature of an electric motor of the air compressor can also be effectively reduced, thereby improving the reliability and economic efficiency of the whole fuel cell system.
Nº publicación: WO2025179788A1 04/09/2025
Applicant:
SHENZHEN THREE CIRCLE ELECTRONICS CO LTD [CN]
CHAOZHOU THREE CIRCLE GROUP CO LTD [CN]
\u6DF1\u5733\u4E09\u73AF\u7535\u5B50\u6709\u9650\u516C\u53F8,
\u6F6E\u5DDE\u4E09\u73AF\uFF08\u96C6\u56E2\uFF09\u80A1\u4EFD\u6709\u9650\u516C\u53F8
Absstract of: WO2025179788A1
The present application discloses a combustor and an application. The combustor comprises a first air inlet region, a second buffer chamber, a mixing combustion chamber, and airflow distribution pipes. The first air inlet region and the second buffer chamber are both communicated with the mixing combustion chamber; and a first gas and a second gas respectively enter the mixing combustion chamber from the first air inlet region and the second buffer chamber for mixing and combustion. The airflow distribution pipes are arranged in the mixing combustion chamber; the airflow distribution pipes are communicated with the second buffer chamber; and third distribution holes are formed in the pipe walls of the airflow distribution pipes. The first air inlet region is located on the upper side of the mixing combustion chamber. The airflow distribution pipes extend from one vertical sidewall of the mixing combustion chamber to the other vertical sidewall. A region between the upper outer sidewall of each airflow distribution pipe and the top inner side surface of the mixing combustion chamber is a third buffer region. The height of the third buffer region is set to L1, and the height of the mixing combustion chamber is set to H1, satisfying L1/H1=0.1-0.3. The present application can be widely applied to the technical field of combustors.
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