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545
results.
Updated on
16/02/2026 [06:47:00]
Results 100 to 125 of 545
Absstract of: WO2026034615A1
The purpose of the present invention is to realize a fiber sheet with which a polyazole-based resin contained in constituent fibers can be prevented from being excessively oxidized, and which can be used for various industrial applications due to excellent elongation. This fiber sheet has an O/C ratio measured by ESCA analysis of less than 0.10, preventing the polyazole-based resin contained in the constituent fibers from being excessively oxidized, and has an average breaking elongation (y) per unit weight of greater than 6.79%, making the fiber sheet easy to stretch and have excellent elongation. Therefore, the fiber sheet according to the present invention can be used in various industrial applications.
Absstract of: WO2026034243A1
The present invention provides: a carbon carrier which enables the achievement of effective maintenance of the performance of a metal-loaded catalyst; and a metal-loaded catalyst which is capable of effectively maintaining the performance; an electrode; and a battery. The carbon carrier is for supporting catalyst metal particles. The volume of pores having a pore diameter of more than 0 nm and not more than 70 nm is 0.70 cm3/g or less as determined by a DFT method from the nitrogen adsorption isotherm at a temperature of 77K. The volume of pores having a pore diameter of less than 5 nm is 0.31 cm3/g or more as determined by the DFT method from the nitrogen adsorption isotherm. The true density as determined by a constant volume expansion method is 1.9 g/cm3 or more. The carbon carrier has a carbon structure wherein the half width at half maximum of a D band having a peak top near a Raman shift of 1340 cm-1 is 50 cm-1 or less in the Raman spectrum obtained by Raman spectroscopy.
Absstract of: WO2026034242A1
Provided are: a carbon carrier that effectively maintains the performance of a metal-supported catalyst; the metal-supported catalyst with effectively maintained performance; an electrode; and a battery. The carbon carrier is for supporting catalytic metal particles, wherein the volume of pores having a pore diameter in a range from greater than 0 nm to 100 nm is 1.10 cm3/g or less, the volume being obtained by the DH method from a nitrogen adsorption isotherm at a temperature of 77K, and in a differential pore volume distribution obtained by the DH method from the nitrogen adsorption isotherm, relative to the pore volume (cm3/g) in the range of pore diameters from greater than 0 nm to 100 nm, a ratio of the differential pore volume (cm3/(g·nm)) at the most frequent diameter, which is the pore diameter yielding the maximum value of the differential pore volume in the pore diameter range from greater than 0 nm to 100 nm, is 0.31 nm-1 or greater.
Absstract of: WO2026034241A1
The present invention provides: a carbon carrier which enables the achievement of effective maintenance of the performance of a metal-loaded catalyst; a metal-loaded catalyst which is capable of effectively maintaining the performance; an electrode; and a battery. The carbon carrier is for supporting catalyst metal particles. In a log differential pore volume distribution obtained by the DH method from the nitrogen adsorption isotherm at a temperature of 77K, the most frequent diameter, which is the pore diameter that gives the maximum value of log differential pore volume within a pore diameter range of more than 0 nm and not more than 100 nm, is less than 2.0 nm, and the log differential pore volume at the most frequent diameter is 1.70 cm3/g or less.
Absstract of: WO2026031623A1
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.
Absstract of: WO2026031444A2
A perovskite material, and a preparation method therefor and the use thereof. The composition of the perovskite material is Ln0.9-xCexN0.4-yMyTi0.6O3-δ, wherein 0.2>x>0; 0.4>y>0; 0.1>δ>0; Ln is La or Pr; N is one of Ni, Fe and Co; M is one of Ni, Fe, Co, Mn and Cu; and N and M are not the same element. The perovskite material has CeO2 nano-island-shaped particles and NM alloy nanosphere-shaped particles precipitated on the surface. The perovskite material can be used as an anode material for a solid oxide fuel cell, and has both excellent catalytic activity and long-term operation stability.
Absstract of: WO2026031622A1
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.
Absstract of: US20260043406A1
A pump device for a motor vehicle, e.g., for a cooling device of a fuel cell system and for pumping cooling fluid, is disclosed. The pump device includes a housing, in which a fluid channel is arranged through which a cooling fluid to be conveyed can flow. A drive unit for driving the cooling fluid guided through the fluid channel. An electric sensor unit that includes at least one sensor for determining at least one measured variable characterizing the cooling fluid. The sensor unit is arranged at least partially in the fluid channel, and/or the at least one sensor of the sensor unit is a temperature sensor that is arranged outside the fluid channel and is coupled in a heat-conducting manner to the fluid channel.
Absstract of: US20260045528A1
An electrochemical cell includes a membrane electrode assembly having a first electrode operating at a first pressure, a second electrode operating at a second pressure that is lower than the first pressure, and a proton exchange membrane disposed between the first and second electrodes. The first and second electrodes are electrically connected to an external load. The second electrode has a liquid inlet and a liquid outlet. A first conduit is in communication with the first electrode and supplies a dry or humidified gas to the first electrode. A second conduit is in communication with the second electrode. The second conduit provides an outlet for gas products produced by electrochemical reactions across the MEA. A liquid reservoir contains a liquid and is in fluid communication with the second electrode via the liquid inlet and the liquid outlet to enable circulation of the liquid within the second electrode.
Absstract of: US20260045527A1
An airbox for a fuel cell system includes an airbox body having an airflow inlet and an airflow outlet positioned therein. The airbox body includes at least one interior wall. An airbox cover is installed to the airbox body to enclose the airbox, and one or more liner plates are installed onto the at least one interior wall to prevent egress of debris from an interior of the airbox to an exterior of the airbox through the at least one interior wall.
Absstract of: US20260045526A1
A fuel cell system includes a fuel cell module having an anode having an anode inlet configured to receive anode feed gas and an anode outlet configured to output anode exhaust into an anode exhaust conduit. The fuel cell module further includes a cathode having a cathode inlet configured to receive cathode feed gas and a cathode outlet. The fuel cell system also includes an anode exhaust processing system fluidly coupled to the anode exhaust conduit and a gas injection system disposed downstream of the anode inlet and upstream of the anode exhaust processing system. The gas injection system is configured to inject a gas within the anode exhaust conduit to prevent an under-pressurization condition of the anode.
Absstract of: US20260045529A1
A fuel cell-based generation system is provided. The fuel cell-based generation system includes a fuel cell subsystem comprising at least one fuel cell coupled to a power terminal which is configurable to connect with a power network; a battery subsystem comprising at least one battery coupled to the power terminal and configured to provide a state of charge (SoC) value of the at least one battery, the at least one battery being capable of discharging to the power network and charging from the at least one fuel cell; and a controller configured to operate the fuel cell-based generation system by coordinated control of the battery subsystem and the fuel cell subsystem with a power setpoint for the fuel cell subsystem, wherein the power setpoint for the fuel cell subsystem is based on a reference power setpoint provided to the fuel cell-based generation system.
Absstract of: US20260045519A1
An ion-exchange membrane comprises a ceramic material having Formula (I):wherein x is between 0 and 3, and wherein the ceramic material has an area % of a glassy phase of less than 15% when determined using scanning electron microscopy imaging analysis. An aqueous redox flow cell comprises: a positive electrode; a negative electrode; a posolyte compartment containing a posolyte wherein at least a part of the positive electrode contacts the posolyte; a negolyte compartment containing a negolyte wherein at least a part of the negative electrode contacts the negolyte; and an ion-exchange membrane positioned to separate the positive electrode and the posolyte from the negative electrode and the negolyte, wherein the ion-exchange membrane comprises a ceramic material having Formula (I):wherein x is between 0 and 3.
Absstract of: US20260045521A1
In one aspect, a metal separator is provided that comprises: a) a first base material including a first manifold part; b) a second manifold part, wherein the first manifold part and the second manifold part each have a plurality of openings and a surface layer part present between the plurality of openings, and c) a surface-modified layer formed, respectively, on an upper surface of the surface layer parts and an inner surface of the openings.
Absstract of: US20260045522A1
Aspects of the disclosure include a hydrogen fuel cell voltage monitor interface utilizing spring-loaded contacts and methods of using the same. An exemplary vehicle includes an electric motor and a fuel cell stack electrically coupled to the electric motor. The fuel cell stack includes a plurality of bipolar plates. Each bipolar plate includes one or more cell voltage measurement tabs. A first set of bipolar plates includes a first positioning of the cell voltage measurement tabs and a second set of bipolar plates includes a second positioning of the cell voltage measurement tabs offset with respect to the first positioning of the cell voltage measurement tabs. The fuel cell stack includes a plurality of insulating subgasket layers alternating with the plurality of bipolar plates. An edge of each cell voltage measurement tab is molded to define a semi-spherical pocket for landing a spring-loaded contactor of a measurement device.
Absstract of: US20260045520A1
In one aspect, a metal separator is provided that comprises: a) a first base material including a first manifold part; b) a second manifold part, wherein the first manifold part and the second manifold part each have a plurality of openings and a surface layer part present between the plurality of openings, and c) a surface-modified layer formed, respectively, on an upper surface of the surface layer parts and an inner surface of the openings.
Absstract of: US20260045518A1
In one aspect, the disclosure relates to electrodes with a Ruddlesden-Popper phase scaffold and a catalyst coating, symmetrical cells and single electrochemical cells comprising the same, and devices incorporating the same. The Ruddlesden-Popper phase scaffold can be or include Pr2−xBaxNiO4+δ, wherein 0≤x≤0.4, while the catalyst coating can be a transition metal, transition metal oxide, or perovskite material applied to the scaffold using atomic layer deposition or another means. In an aspect, the catalyst coating can be conformal or non-conformal.
Absstract of: US20260045516A1
An electrode catalyst layer for a polymer electrolyte fuel cell includes catalyst particles, a polymer electrolyte, and a fibrous material. The catalyst particles each include an electroconductive support, a plurality of metal particles supported on the electroconductive support, an ionic liquid in contact with a surface of the metal particles and electroconductive support, and an inorganic film covering a surface of the metal particles and electroconductive support via the ionic liquid. The inorganic film contains Si. The ratio of the number of silicon atoms to the total number of atoms of carbon, nitrogen, oxygen, fluorine, silicon, sulfur, and platinum elements in the electrode catalyst layer, as obtained by energy dispersive X-ray spectroscopy, is 0.5 at % or more and 10 at % or less.
Absstract of: US20260045523A1
An embodiment separator for a fuel cell includes a land in contact with a gas diffusion layer, a gas flow channel configured to supply gas to the gas diffusion layer, wherein the land and the gas flow channel are repeatedly disposed in an alternating pattern in a width direction, partial narrow passages disposed at a predetermined interval in a longitudinal direction of the gas flow channel, the partial narrow channels being narrow compared to a width of the gas flow channel, and a water discharge guide groove with a lowered land height disposed at each of two lands of the partial narrow passages.
Absstract of: US20260045525A1
The invention relates to a method for manufacturing a bipolar plate (10, 51) for an electrochemical cell unit (53) for converting electrochemical energy into electrical energy as a fuel cell unit (1) and/or for converting electrical energy into electrochemical energy as an electrolytic cell unit (49) having stacked electrochemical cells (52), the method comprising the steps of: providing a first plate 64) and a second plate (65), stacking the first plate (64) and the second plate (65) on top of one another such that inner surfaces (66) of the first and second plate (64, 65) lie on top of one another, applying contact forces to the first and second plates (64, 65) by means of negative pressure in a negative pressure chamber (104) relative to an ambient pressure so that, as a result of the contact forces applied by the ambient pressure, the inner surfaces (66) of the first and second plate (64, 65) lie on top of one another with an additional compression force in a contact region (68) due to the applied contact forces, producing at least one welded joint (69) between the first and second plate (64, 65) by means of a laser beam (74), forming connection channels (89) for process fluids in the first and/or second plate (64, 65), the channels opening into fluid openings (41) in the bipolar plates (10), 51) and into channels (12, 13, 14) for process fluids in the bipolar plates (10, 51), forming connection openings (93) in the first and/or second plate (64, 65) which connect the con
Absstract of: US20260045524A1
A sheet and a sealing material based on clay and excellent in an electrical insulating property in a high-temperature environment. A sheet, containing: a first component as a main component; and a second component optionally, in which the first component is clay, a diameter change rate is 10% or less, as thermal dimensional stability, when a weight of the entire sheet is 100% by weight, a content of iron oxide is 6% by weight or less, the second component is a filling material, when the weight of the entire sheet is 100% by weight, a sum of the first component and the second component is 90% by weight or more, and the first component: the second component=20:80 to 100:0 is set, and a sealing material containing the sheet.
Absstract of: US20260043159A1
A solid oxide electrolyzer cell (SOEC) includes a solid oxide electrolyte, a fuel-side electrode disposed on a fuel side of the electrolyte, and an air-side electrode disposed on an air side of the electrolyte. The air-side electrode includes a barrier layer disposed on the air side of the electrolyte and including a first doped ceria material, and a functional layer disposed on the barrier layer and including an electrically conductive material and a second doped ceria material.
Absstract of: US20260045841A1
Magnetic rotor apparatus (2) for a side channel compressor (1) for a fuel cell system (31) for conveying and/or compacting a gaseous medium, in particular hydrogen, wherein the magnetic rotor apparatus (2) is supported about an axis of rotation (4) in such a manner that it can be rotated and/or can be driven by means of a drive (6), wherein the magnetic rotor apparatus (2) comprises a compressor wheel (10), a gas flow can be generated by means of the gas flow, in particular in a compressor space (30), a hub (9), a locking ring (22) and at least one bearing (27, 47).According to the invention, the hub (9) comprises a recess (13) that extends annularly around the axis of rotation (4) and can be encapsulated by a rotor space (46), wherein the components of the locking ring (22) and at least two segment magnets (24), ideally four segment magnets (24), are at least almost completely in the recess (13). The locking ring (22) is connected to the hub (9) by means of at least one dowel pin (42) and/or a screw elementThe invention further relates to a side channel compressor (1) having a magnetic rotor apparatus (2) according to the invention and/or a fuel cell system (31) and/or a method for manufacturing the magnetic rotor apparatus (2).
Absstract of: WO2025036682A1
The invention relates to a method for operating a solid oxide fuel cell system (2), comprising the steps of providing a fuel feed stream (FF) to a fuel cell module (4) and the fuel cell module (4) expelling an exhaust fuel stream (EF), and providing an air feed stream (AF) to the fuel cell module (4) and the fuel cell module (4) expelling an exhaust air stream (EA). In order to improve the separation of CO2 from the exhaust gas, the method comprises further the steps of feeding at least a portion of the exhaust fuel stream (EF) to an afterburner (26), feeding in the afterburner (26) oxygen from an oxygen source (28) and burning the exhaust fuel stream (EF) and the oxygen in a stochiometric ratio, and using flue gas (FG) from the afterburner (26) in a superheater (30) to superheat the exhaust air stream (EA).
Nº publicación: JP2026021957A 12/02/2026
Applicant:
トヨタ自動車株式会社
Absstract of: JP2026021957A
【課題】 連続したAnMEGAのシート１から各セルの構成に用いられるシート片３をレーザ裁断法により切り出す場合に、縁面にて電解質膜１２及び触媒層１１よりも面方向外方に突出したガス拡散層１０の部分の幅をできるだけ狭くする。【解決手段】 アノード側膜電極ガス拡散層接合体のシートをレーザＬｚにより裁断してシート片を切り出す方法は、シートの面方向に延在する第一の裁断線に沿ってレーザを照射してシートを裁断する第一の裁断工程と、シート片に於ける第一の裁断工程により裁断された第一の裁断線よりも面方向内方に露出したガス拡散層に於ける面方向に延在する第二の裁断線に沿ってレーザを照射してガス拡散層を裁断する第二の裁断工程とを含む。【選択図】 図２
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