Absstract of: EP4793190A1
0001 The present invention relates to a supporting tray for assembling and transporting flat component stacks of an electrical device (such as a component or a battery unit of a hydrogen cell and an electrolytic bath), in particular to a flexible transferring tray used in a production process of hydrogen energy fuel cells. The tray is characterized by including a main baseplate mechanism and a main frame mechanism which are mounted into a whole. A replaceable bottom quick-changing supporting mechanism is arranged on the main baseplate mechanism, two replaceable orientation guiding mechanisms are arranged at a top of the main baseplate mechanism, and the two orientation guiding mechanisms are symmetric left and right at the top of the main baseplate mechanism. By using the tray provided by the present invention, the manual operation intensity and using cost can be reduced, the production efficiency is optimized, and the tray is compatible with multiple products. The tray disclosed in the present invention is suitable for a general product production line, especially for an automotive hydrogen energy fuel cell production line.
Absstract of: EP4794035A1
0001 The invention provides a half-flow cell for a flow cell of a redox flow battery, the half-flow cell comprising: a flat frame having a through-opening; two or more flat electrode elements separately arranged within the through-opening of the frame, the electrode elements configured to be porous for liquid electrolyte and electrically conducting, each electrode element having a convex quadrilateral form with two opposite long sides and two opposite short sides; a supply channel structure in the frame configured to supply liquid electrolyte to the electrode elements at one of the long sides of each electrode element; and a collection channel structure in the frame configured to collect liquid electrolyte that has flown through the electrode elements at the other one of the long sides of each electrode element.
Absstract of: WO2025080969A1
The present disclosure relates to a polyelectrolyte composite membrane, comprising a first layer and a second layer, wherein the first layer comprises a perfluorosulfonic acid, the second layer comprises a nonreducible oxide, and wherein the first layer is disposed on the second layer. The present disclosure further relates to a method of making the polyelectrolyte composite membrane, as well as membrane electrode assembly and fuel cell comprising the polyelectrolyte composite membrane.
Absstract of: WO2025078075A1
The invention relates to a fuel cell system comprising an anode circuit in which a water separator (3) and a recirculation fan (8) are arranged. The aim of the invention is to provide simpler and more efficient operation of a fuel cell system without increasing the cost for producing the fuel cell system. This is achieved in that the recirculation fan (8) is arranged at a defined geodesic height (45) relative to the water separator (3) and is connected to the water separator (3) so as to conduct water such that, depending on a water fill level (41, 42, 43) in the water separator (3), separated water from the water separator (3) reaches the recirculation fan (8).
Absstract of: CN122122718A
The present invention relates to an electrochemical cell assembly (10) comprising a housing (32) and an end plate (14) wherein the housing (32) has a protruding upright section (48) that extends beyond the end plate (14).
Absstract of: WO2025078785A1
A method of recycling a waste ionomer material comprising at least one ionomer, at least one platinum group metal, and one or more of a metal catalyst material, a carbon catalyst support material, and a membrane reinforcement material, the method comprising: (a) treating the waste ionomer material with a solvent to disperse the ionomer and form an ionomer dispersion which includes one or more of the metal catalyst material, the carbon catalyst support material, and the membrane reinforcement material; (b) subjecting the ionomer dispersion to a forced filtration technique in which a force is actively applied to the ionomer dispersion in order to force the ionomer dispersion through a filter to produce a filter cake on the filter comprising one or more of the metal catalyst material, the carbon catalyst support material and the membrane reinforcement material, and a filtrate of the ionomer dispersion; and (c) using one or more acid leaches to extract the platinum group metal, wherein either: (i) the one or more acid leaches are applied to the waste ionomer material to extract the platinum group metal from the waste ionomer material prior to forming the ionomer dispersion in step (a); or (ii) the one or more acid leaches are applied to the filter cake material after step (b) to extract the platinum group metal from the filter cake material.
Absstract of: WO2025077995A1
The invention relates to an electrochemical cell assembly (10) comprising a first end plate assembly (12) having a first end plate (14), a second end plate assembly having a second end plate, and a stack (20) of cell units (22) arranged between said first and second end plates and comprising a plurality of cell units stacked upon one another along a stacking direction (24), wherein at least one fluid manifold (40) is provided in said stack for supplying fluid to the cell units (22), a plurality of gaskets (36) provided around said fluid manifold, wherein the first end plate assembly comprises further a sealing device (46) located between the first end plate and the stack, said sealing device defining a fluid channel (62), a current collector plate (64) located between the first end plate and the stack, wherein the sealing device extends through the current collector plate without contacting it.
Absstract of: TW202516774A
The invention relates to an electrochemical cell assembly (10) comprising a housing (32) and an end plate (14) and a spatter trap (52) provided between them.
Absstract of: WO2025078786A1
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 the 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) after step (a), leaching iridium from the waste catalyst coated membrane material using a heated solution comprising an acid and a reducing agent and separating the solution comprising the leached iridium from remaining solid components of the waste catalyst coated membrane material; and (c) after steps (a) and (b), treating the waste catalyst coated membrane material with a heated solvent to disperse the ionomer membrane and recover a dispersion of ionomer.
Absstract of: WO2025078289A1
The invention relates to an electrical architecture for a vehicle, comprising: at least one non-propulsive electrical network comprising at least one battery (50) and a first electric generator/motor (23L, 23R) connected to the battery; and at least one propulsive electrical network (10L, 10R) comprising at least one fuel cell (30L, 30R) and a second electric generator/motor (1L, 1R), electrically connected to the fuel cell. The first generator/motor is mechanically connected to a motion transmission line (40L, 40R) comprising a speed multiplier member mechanically connected to the second electric generator/motor (1L, 1R). The architecture comprises at least one electronic control unit connected to the generators/motors (23L, 23R, 1L, 1R) and arranged to control them selectively in a starting mode and in a nominal mode. The invention also relates to aircraft comprising such an architecture.
Absstract of: WO2025078290A1
The invention relates to an electrical architecture for a vehicle, comprising: a propulsive electrical network (10L, 10R) comprising at least one fuel cell (30L, 30R) and an electric propulsion engine (1L, 1R) connected to the fuel cell, and a non-propulsive electrical network (2200) comprising a battery (50) and a first electric generator/engine (23L, 23R) connected to the battery. The fuel cell comprises at least one motion transmission chain comprising at least one second electric generator/engine (332L, 332R) mechanically connected to a first fluid-circulation member (331L, 331R). The first generator/engine is mechanically connected to the motion transmission chain by a motion transmission line (40L, 40R). The architecture comprises at least one electronic control unit connected to the generators/engines and arranged to actuate them selectively in a starting mode and in a nominal mode. The invention also relates to aircraft including such an architecture.
Absstract of: WO2025078376A1
The invention relates to an electrical architecture for a vehicle, comprising a propulsion electrical network (10L,10R) and a non-propulsion electrical network (20), the propulsion electrical network comprising at least one first fuel cell assembly (30L, 30R) and a propulsion electric motor (1L, 1R) connected to the first fuel cell assembly comprising at least one first fuel cell (31L ,31R) and first auxiliary electrical equipment (32L, 33L, 34L, 32R, 33R, 34R), the non-propulsion electrical network comprising a second fuel cell assembly (40L, 40R) comprising at least one second fuel cell (41L, 41R) and second auxiliary electrical equipment (42L, 42R). The architecture comprises at least one electronic control unit connected to the fuel cell assemblies (30L, 30R, 40L, 40R) in order to selectively control same in two starting phases and a nominal operating phase. The invention also relates to an aircraft comprising such an architecture.
Absstract of: WO2025078769A1
The invention relates to a rotary hydraulic distributor including a housing (2) and a core (4), the core further including at least one fluid-orienting means for guiding a fluid between the inlet opening (18) and the side outlet (34).
Absstract of: GB2645135A
A propulsion system (100) for an aircraft as disclosed herein may include a nacelle (180), a shaft (110) positioned centrally within a cylindrical passageway (184) of the nacelle (110), a fan (120) coupled to one end (112) of the shaft (110), a turbine (130) coupled to an opposite end (114) of the shaft (110), an electric motor (140) coupled to the shaft (110), a compressor (160) positioned within the cylindrical passageway (184), and a solid oxide fuel cell (150) positioned with a hollow ring-shaped interior (182) of the nacelle (180). The hollow ring-shaped interior (182) may surround and be isolated from the cylindrical passageway (184). The turbine (130) may be configured to provide primary torque to the shaft (110) while the electric motor (140) may be configured to provide additional torque to the shaft (110). The electric motor (140) may be powered an electric output (152) of the solid oxide fuel cell (150) while the turbine (130) may be powered at least in part by output gases (154) from the solid oxide fuel cell (150).
Absstract of: EP4793871A1
An acquisition part acquires the remaining amount information, which is information regarding remaining amount of fuel (step S101). The acquisition part acquires remaining amount information, which is information regarding the remaining amount of fuel left in each cartridge, for each cartridge. In step S102, a generation part generates bonus information, which is information regarding bonus granted to a user, based on the acquired remaining amount information (step S102). The generation part generates the bonus information for each cartridge. Subsequently, an association part associates the generated bonus information with the user using the fuel that was an object for acquiring the remaining amount information (step S103).
Absstract of: WO2025156000A1
The present invention relates to a fuel cell tower (10) for a fuel cell system, the fuel cell tower comprising a housing (20) with a housing interior (22) in which at least two fuel cell stacks (30) are arranged one above the other along a stacking direction (SR), wherein at least one weight (40) is arranged in the housing interior (22) above the fuel cell stacks (30), in contact with the uppermost fuel cell stack (30) in a manner allowing the transmission of gravitational force (GK), for applying at least a portion of the gravitational force (GK) of the weight (40) onto the fuel cell stacks (30).
Absstract of: EP4794036A1
0001 Fuel cell stack assembly (1) comprising at least an assembled fuel cell stack (2) having at least a first endplate (8-1) and a second endplate (8-2) sandwiching a plurality of unit fuel cells, wherein each unit fuel cell comprises a membrane electrode assembly and a bipolar plate, and wherein the first end plate (8-1) has at least one connection element (10) through which a medium for operating the fuel cell stack is guided to or from the fuel cell stack (2), wherein the fuel cell stack assembly further comprises an adapter plate for providing a fluid connection between a medium duct and the first endplate.
Absstract of: WO2025078350A1
The present invention provides a facility for producing electricity comprising a non-galvanic fuel cell (1) whose heat is recovered for implementing endothermic chemical reactions (310-312) which generate at least part of the fuel of the fuel cell, which offers greater efficiency and flexibility than those of prior art. Such an improvement is provided in particular with means for storing (318) at least part of the fuel coming from the chemical reactor (310) and means (141, 320) for introducing on demand said fuel from said tank (318) to said fuel cell (1). The fuel storing means (318) allow great flexibility: the fuel produced by the chemical reactor may thereby not be used immediately by the fuel cell (1) - this allows for adaptation of the production of electricity of the fuel cell to the external demand.
Absstract of: CN122599480A
本公开涉及燃料电池组件。燃料电池组件(10)具备:堆壳体(52),其收容燃料电池(12);高压电源装置(19),其对燃料电池(12)的发电电力进行升压并输出至外部的高压电源线路(16);电源壳体(62),其安装于堆壳体(52),收容高压电源装置(19),并且具有对高压电源装置(19)的热进行冷却的冷却机构(63);以及低压电源装置(24),其将从外部的低压电源线路(18)供给的输入电压转换为用于对辅助设备类组件进行驱动的内部电压,低压电源装置(24)内置于电源壳体(62),并且低压电源装置(24)的布线基板(66)与电源壳体(62)的内表面为面接触。
Absstract of: CN122599462A
本发明涉及基于焦耳热闪蒸技术制备林木加工剩余物基氮磷共掺杂碳气凝胶ORR催化剂的方法,依次经过林木加工剩余物预处理、三元低共熔溶剂制备、林木加工剩余物基纤维素提取、纤维素‑磷酸溶胶制备、氮磷共掺杂碳气凝胶前驱体制备、焦耳热快速碳化和后处理多道工序制备得到林木加工剩余物基氮磷共掺杂碳气凝胶ORR催化剂。本发明有效实现农林固废高值化利用,可制备出无贵金属、高活性、长寿命、低能耗、适配性强的专用ORR电催化剂。
Absstract of: CN122599472A
本公开涉及燃料电池系统。燃料电池系统(10)中的将旁通配管(38)与排气配管(36)连接的连接部(40)中设置:主体部(42),其具有主流路(46),所述主流路沿排气配管(36)延伸的第一方向延伸;接头部(44),其从主体部(42)的侧部朝向主流路(46)的径向外方延伸出并连接旁通配管(38);接头流路(48),其形成于接头部(44)的内部,沿与主流路(46)正交的第二方向延伸;以及多个整流肋(50),多个所述整流肋从形成接头流路(48)的接头部(44)的内周面(44a)向内方突出,并且沿第二方向延伸得长。
Absstract of: WO2025169724A1
This invention relates to nitrogen-containing porous carbon. In the nitrogen-containing porous carbon, a part of a carbon element in the skeleton of a carbon material is substituted with a nitrogen element. A most frequent pore diameter of the nitrogen-containing porous carbon in a pore diameter range of 2.0 nm-50.0 nm inclusive is 2.0 nm-30.0 nm inclusive. In the nitrogen-containing porous carbon, the ratio of the mass of the nitrogen element to the mass of the carbon element is 0.005 or more. The nitrogen-containing porous carbon has a BET specific surface area of 400 m2/g or more as measured by a nitrogen adsorption method.
Absstract of: WO2025157764A1
The invention relates to a proton-exchange membrane fuel cell with improved contact properties between the gas diffusion layers (GDL) and the catalyst-coated polymer-electrolyte membrane (CCM), to a gas diffusion layer, to a method for producing a gas diffusion layer, and to a method for producing a proton-exchange membrane fuel cell which exhibits an improved contact at the boundary surface between the gas diffusion layers and the catalyst-coated polymer-electrolyte membrane. The gas diffusion layer comprises a carbon fiber nonwoven material or a carbon fiber paper comprising carbon fibers which have a main orientation direction with respect to the base surface of the nonwoven material or paper, said main orientation direction not being parallel to the main orientation of the channels of an adjacent flow distributor plate.
Absstract of: WO2025158383A1
A recirculation blower (20) can be used to recirculate fluid (e.g., hydrogen and/or air) through a fuel cell system. The blower includes a pair of rotors (30,32) disposed within a housing (22). Lobes of the rotors are intermeshed together. In certain blowers, each of the lobes defines a hybrid profile. For example, the hybrid profile may be a combination of at least two of circular, cycloidal, and involute curves. In certain blowers, at least one of the lobes defines a hollow passage (33) extending between opposite open ends. Plugs (60) are disposed at the open ends to close the hollow passage. The plugs are sufficiently short to be spaced from each other along the hollow passage. In certain examples, each of the lobes defines such a hollow passage.
Nº publicación: CN122603419A 18/08/2026
Applicant:
宝马股份公司
Absstract of: WO2025153128A1
The invention relates to a method for adjusting a fuel concentration in a fuel cell system (10), wherein the fuel cell system (10) comprises a fuel cell (11), a water separator (12), a fuel inlet path (13) for directing fuel to the fuel cell (11), a process gas outlet path (14) for directing process gas (16) from the fuel cell (11) and into the water separator (12), a purge path (17) for directing water and process gas (16) from the water separator (12) into the environment of the fuel cell system (10), and an outlet valve (18) for controlling a mass flow rate through the purge path (17), and wherein the method includes: determining an actual mass flow rate through the purge path (17), determining a reference mass flow rate, carrying out a comparison between the actual mass flow rate and the reference mass flow rate, setting an opening behaviour of the outlet valve (18) based on the comparison. The invention further relates to a fuel cell system (10), a vehicle (100), a computer program product (50) and a computer-readable storage medium (60).