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463
resultados
Última actualización
10/03/2026 [06:48:00]
Resultados 275 a 300 de 463
Resumen de: CN223956583U
本实用新型涉及陶瓷离子膜生产技术领域，且公开了一种固态燃料电池陶瓷离子膜生产用溶液除杂装置，包括除杂结构，内滑管的底端安装有管底板，且进液管的底端安装在管底板的顶端，内滑管的内部设有活性炭，进液管的外表面开设有排孔A，管底板的底端开设有底出孔，底出孔和排孔A的内部皆安装有无纺布，将溶液从进液管内部灌入，利用活性炭对溶液中的有机污染物如溶剂残留、表面活性剂等进行吸附去除，经过初步过滤后的溶液通过底出孔排进竖运管的内部，溶液途经超滤膜，利用超滤膜对溶液中的颗粒物、悬浮物等固体杂质进行去除，经过再次过滤后的溶液通过排出孔排出。
Resumen de: CN223956587U
本申请公开了一种防振动SOFC电堆结构，涉及SOFC电堆技术领域，其包括箱体，箱体的外侧设置有第一U型支撑架，所述第一U型支撑架的下侧设置有阻尼器，所述阻尼器的上侧设置有第二U型支撑架，所述第二U型支撑架的两个竖板相近的一侧表面均固定连接有两个对称的橡胶护板，所述第二U型支撑架的底部固定连接有支撑块，所述支撑块的内部转动连接有双向螺纹杆，所述双向螺纹杆的表面设置有夹板，所述双向螺纹杆的前端表面固定连接有扭动杆。本申请利用扭动杆来控制双向螺纹杆的转动，进一步的实现对箱体的夹紧，同时设置阻尼块对设备进行支撑，实现装置在面对振动情况的时候也可以做好缓冲，大大提高了装置的防振动性能。
Resumen de: CN223956588U
本申请公开了一种假电池模块、燃料电池及用电设备，涉及电池技术领域，其中，假电池模块包括第一极板和第二极板，第一极板的一侧设有第一流道；第一极板与第二极板沿第一方向堆叠设置，且第一流道与第二极板共同形成第一密闭腔体，第一密闭腔体用以供第一气体通过。本申请提供的假电池模块可以减少工人将真膜电极当成假膜电极而出现严重的装配事故的风险。
Resumen de: CN223956580U
本实用新型提供一种具有齿形挡板结构的燃料电池膜片式加湿器，包括壳体、膜片堆及4个端盖。壳体两相对面设封闭板，其余四面安装端盖；膜片堆由交替排列的膜片构成，相邻膜片间形成流体流通间隙，堆叠方向垂直于封闭板。湿侧进口端盖内侧一体成型有齿形挡板，长度与端盖内侧宽度相同，宽度小于端盖至膜片堆的间距。本方案通过齿形挡板强制分散气流，提升气体分布均匀性，避免局部流量集中，提高加湿效率及燃料电池湿度环境均匀性，减少电极腐蚀和膜损伤；齿形挡板与端盖一体成型，生产成本降低；优化气流路径后，燃料电池性能更稳定，减少组件损耗，延长设备整体寿命。本加湿器兼具高效、结构紧凑及经济性优势，适用于燃料电池系统。
Resumen de: WO2026041367A1
The invention relates to a method for operating a fuel cell system (1), in which at least one fuel cell (101) is supplied with hydrogen from a tank (21) and recirculated hydrogen from a recirculation circuit (50) via a fuel line (20) as an anode gas, wherein the flow in the recirculation circuit (50) is a passive recirculation which is effected by a jet pump (52) in the fuel line (20). The minimum fuel cell power is adapted depending on a temperature of the hydrogen. The invention also relates to a control device (27) for carrying out the method or individual method steps.
Resumen de: US20260054217A1
Systems and methods for synthesizing ammonia include one or more electrochemical hydrogen pumps to recover excess hydrogen gas from the ammonia synthesis product stream. The systems and methods improve overall yield and efficiency of the ammonia production process by separating and purifying hydrogen gas that otherwise would be lost.
Resumen de: US20260058173A1
The invention relates to an operating method (100) for operating a fuel cell system (300) for providing electrical energy for a consumer. The operating method (100) comprises the steps of activating (101) a shut-down procedure of the fuel cell system (300) in response to the receipt of a shut-down command. The shut-down procedure comprises shutting down an air supply unit (305) for supplying air to a cathode sub-system (303) of the fuel cell system (300) in order to reduce oxygen introduced to the cathode sub-system (303) and a voltage provided by the fuel cell system (300), activating (103) a reactivation procedure of the fuel cell system (300) in response to a receipt of a start-up command, if the start-up command is received within a predefined time period after the shut-down command, wherein the reactivation procedure involves increasing the speed of the air supply unit (305) directly after receipt of the start-up command.
Resumen de: US20260058171A1
The invention relates to an electrode board, i.e. a cathode board or an anode board, for a bipolar plate (100) of a fuel cell stack, in particular for a fuel cell vehicle, said electrode board comprising a board alignment device (110/120) for aligning this electrode board (101/102) with respect to a second electrode board (102/101) corresponding thereto using the board alignment device (120/110) of the second electrode board during an assembly of the two electrode boards (102/101) to form the bipolar plate (100), wherein the board alignment device (110/120) at least partially forms a section (110/120) of a bipolar plate positioning device (105; 110, 120) of the bipolar plate (100) for stacking the bipolar plate (100) to form a fuel cell stack (10).
Resumen de: US20260058168A1
A method for making a carbon-based catalyst involves synthesizing or obtaining particulate precursor material having heteroatoms dispersed in a structure formed by carbon atoms. An exfoliation process is performed on the particulate precursor material to delaminate layers of the particulate precursor material in the form of graphitic flakes or graphene-like flakes. In embodiments, the graphitic flakes or graphene-like flakes can be atomically thin sheets with interstitial and/or edge heteroatoms.
Resumen de: US20260058167A1
A method of improving catalyst accessibility of a carbon precursor includes exposing a graphene-based multi-layer precursor structure to a plurality of electrocatalyst clusters by applying voltage to accelerate the clusters towards the graphene-based multi-layer precursor structure to generate both mechanical defects in the graphene-based multi-layer precursor structure's surface and a near-uniform size population of deposited electrocatalyst at a near-uniform depth in the graphene-based multi-layer precursor structure.
Resumen de: WO2026041340A1
The invention relates to a flow frame unit (12) for a redox flow battery and to a cell stack (10) comprising at least two flow frame units (12).
Resumen de: WO2026041320A1
The invention relates to a filter (100) for cleaning a fluid, in particular for use in electrochemical cell devices (10), preferably fuel cell devices (10), wherein the filter (100) has a first zone (118) and a second zone (120), wherein the second zone (120) is downstream of the first zone (118) in a flow direction of the fluid, wherein chromium-protection material (110), which is provided for binding chromium, is located in the second zone (120). According to the invention, a sulfur-protection material (108), which is provided for binding sulfur, is located in the first zone (118).
Resumen de: WO2026041315A1
The present invention relates to a fuel cell device (1) having: a stack (2) of a plurality of fuel cells (3) stacked one on top of the other for generating electrical energy, which each have an anode side and a cathode side separated therefrom by an electrolyte; an inlet channel (7) through which a cathode supply air flow (6) of cathode supply air can flow and which is fluidically connected to the cathode sides and thereby the cathode supply air flow (6) can be guided to the cathode sides; an outlet channel (9) through which a cathode exhaust air flow (8) of cathode exhaust air can flow and which is fluidically connected to the cathode sides and thereby the cathode exhaust air flow (8) can be guided away from the cathode sides; and a shut-off apparatus (10) integrated in the fuel cell device (1) for shutting off the inlet channel (7) and the outlet channel (9) in a fluid-tight manner. It is essential that the inlet channel (7) and the outlet channel (9) can be shut off in a fluid-tight manner by a linear and/or rotational actuating movement (11a, 11b) of the shut-off apparatus (10). The invention further relates to an end plate assembly for a fuel cell device (1).
Resumen de: US20260058183A1
A fuel cell includes a fuel cell stack including stacked plate-shaped single cells. The fuel cell includes two end plates that sandwich the fuel cell stack from opposite sides of the fuel cell stack in a stacking direction of the single cells. The fuel cell includes fasteners each rotating about a respective first axis and fastening the two end plates to each other. The respective first axis extends in the stacking direction. The fuel cell includes one rotor configured to rotate about a second axis extending in the stacking direction and provided on an outer surface of one of the two end plates in the stacking direction. The one rotor is configured such that a rotational force generated when the one rotor is rotated is simultaneously transmitted to the fasteners as a rotational force acting in a direction of tightening the fasteners.
Resumen de: US20260058179A1
A membrane-electrode assembly and a method for manufacturing the same are provided. The membrane-electrode assembly includes a pattern layer formed between a separator and a subgasket through a UV curing process.
Resumen de: US20260058169A1
A separator for a fuel cell includes a plate-shaped body including multiple ribs extending in parallel. The ribs protrude from the body to come into contact with a gas diffusion layer of a membrane electrode gas diffusion layer assembly. Spaces between the ribs and between the body and the gas diffusion layer form passages through which gas is supplied to and discharged from the membrane electrode gas diffusion layer assembly. The ribs include dividing portions that divide the passages extending in parallel. Each dividing portion divides the corresponding passage into sections on upstream and downstream sides in a gas flow direction. The positions of the dividing portions in the gas flow direction of the passages are set to be different between adjacent ones of the passages in a direction in which the ribs are arranged in parallel.
Resumen de: US20260058182A1
A fuel cell stack compression system includes a tie rod configured to extend along a length of a fuel cell stack to compress the fuel cell stack when the tie rod is subjected to a tensile force, a bellows coupled to and configured to provide the tensile force on the tie rod, a strain gauge configured to measure the strain on the tie rod or on a component coupling the tie rod to the bellows, and a controller. The controller is configured to receive strain gauge measurements from the strain gauge and control pressure in the bellows to adjust the tensile force on the tie rod.
Resumen de: US20260058180A1
A static redox battery includes: a membrane having an ion permeation property; a positive electrode electrolyte storage cell module positioned on one side of the membrane; a negative electrode electrolyte storage cell module positioned on the other side of the membrane; and a pair of bipolar plates positioned on outermost sides of the positive electrode electrolyte storage cell module and the negative electrode electrolyte storage cell module. Each of the positive electrode electrolyte storage cell module and the negative electrode electrolyte storage cell module includes a plurality of felt electrodes storing an electrolyte, and a plurality of perforated support plates positioned between the plurality of felt electrodes.
Resumen de: US20260058181A1
Proposed are an automated stack manufacturing method and system, according to which each plate forming a stack is automatically manufactured and held, and individual plates are sequentially placed on a moving part and stacked to be connected to manufacture the stack, thereby improving stack production efficiency.
Resumen de: WO2025112829A1
An aluminum alloy material, an aluminum alloy structural part, a battery case, a battery system, an electric device (6), a preparation method and a use. The aluminum alloy material comprises the following composition elements: Si, Mn, Mo, Zr, Sr, Sc, B, a matrix element Al and inevitable impurity elements, and in the aluminum alloy material, both the content of the element Mo and the content of the element Zr are low.
Resumen de: WO2026042947A1
An anion exchange polymer according to a preferred embodiment of the present invention includes a 4-X-quinuclidinium structure in which carbon corresponding to position 4 of a quinuclidinium ring is connected to a polymer main chain (X), and due to the absence of β-hydrogen placed in an anti-periplanar conformation with a nitrogen atom in the quinuclidinium ring, a Hoffmann elimination reaction does not occur. Therefore, there is the effect of having a chemically stable structure in a basic driving environment.
Resumen de: US20260058178A1
The present disclosure relates to high-temperature proton exchange membrane fuel cells (HT-PEMFC) having phosphoric acid as a proton conductor, and methods for mitigating phosphate poisoning of the catalyst in the fuel cell. The fuel cells and the method include a buffer layer between metal catalyst nanoparticles and at least one polymeric ionomer layer. The buffer layer includes a protic ionic liquid having a high melting point greater than 160° C., and the ratio of the protic ionic liquid to carbon (IL/C) is from about 0.1 to about 0.2.
Resumen de: US20260058170A1
A fuel cell stack includes a plurality of fuel cells and an inter-cell sealing material disposed between the fuel cells. The fuel cells include a rib protruding in a direction of adjacent fuel cells. The rib is located outside the sealing range of the inter-sealing material. The rib has such a height that the compressibility of the inter-cell sealing material is 20% or more and 70% or less in the sealing range.
Resumen de: US20260058172A1
A humidifier for humidifying a dry supply air stream via a humid exhaust air stream may include a housing, a membrane block with a plurality of membranes, and at least one baffle. The housing may include a supply air inlet, a supply air outlet, an exhaust air inlet, and/or an exhaust air outlet. The membranes may be impermeable to air and permeable to water vapor. The membranes may form a supply air path through which the supply air stream is flowable and an exhaust air path through which the exhaust air stream is flowable. The baffle may be arranged in the housing such that an air stream formed by the supply air stream and/or the exhaust air stream contacts the baffle. The baffle may be structured and arranged to provide homogenization of streaming through the membrane block in the supply air path and/or in the exhaust air path.
Nº publicación: US20260058177A1 26/02/2026
Solicitante:
CATERPILLAR INC [US]
Caterpillar Inc
Resumen de: US20260058177A1
A first aspect provided herein relate to a method of controlling cathode exhaust humidity. The method can include receiving, by a cathode controller, a signal indicating a sensed humidity of a cathode exhaust from a fuel cell of a machine. The method can include determining, by the cathode controller, that the sensed humidity is outside of a predetermined range. The method can include adjusting, by the cathode controller, one or more control parameters, to cause the fuel cell of the machine to produce cathode exhaust having a humidity within the predetermined range.
BOPI
Sede Electrónica
