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636
resultados
Última actualización
01/10/2025 [06:49:00]
Resultados 550 a 575 de 636
Resumen de: EP4618206A1
The invention relates to an endplate (100) for compressing a fuel cell stack (200). The endplate (100) comprises a core (110) for providing stiffness to the endplate (100), which is made of a core-material and which comprises a core-stiffness. The endplate (100) further comprises a shell (120) with a shell-surface (121) for contact with the fuel cell stack (200). The shell (120) is made of a shell-material. The shell (120) comprises a shell-stiffness that is smaller or equal to the core-stiffness. The shell (120) is at least partially moulded over the core (110). The invention also relates to a fuel cell stack (200) that is covered on at least one side by the above-described endplate (100). The invention also relates to a method of manufacturing (500) said endplate (100).
Resumen de: CN119998970A
According to the present invention there is provided an enhanced ion conducting membrane, the enhanced ion conducting membrane comprising: an ion conducting polymer; and a porous mat of nanofibers. The porous mat of nanofibers is impregnated with an ionically conductive polymer. The nanofibers comprise a cross-linked polymer, wherein the cross-linked polymer is ionically non-conductive. The cross-linked polymer comprises a heterocycle-based polymer backbone comprising a basic functional group, and a linking chain linking at least two heterocycle-based polymer backbones via a linking group. The porous mat of nanofibers has a tear index of at least 15 mN m2/g.
Resumen de: EP4617553A1
Provided is a tank valve apparatus that prevents moisture mixed with hydrogen from flowing into a control valve provided to the valve apparatus when a tank is filled with the hydrogen via the valve apparatus.A valve apparatus included in a tank for storing hydrogen includes a control valve that controls supply of hydrogen stored in a tank body of the tank to the outside, a supply passage provided with the control valve, a tank passage communicating with the tank body, a three-way valve to which the tank passage and the supply passage are connected, and a filling passage that introduces hydrogen into the three-way valve. When the tank is filled with hydrogen, a valve body of the three-way valve is actuated by the pressing force of hydrogen introduced from the filling passage, the filling passage and the tank passage communicate with each other and the filling passage and the supply passage are closed from each other.
Resumen de: CN120188021A
A method for monitoring a gas system comprises ascertaining a fuel mass flow demand of a consumer system, such as a fuel cell system having a fuel cell device, closing a first valve device to interrupt a gas supply from a gas tank to a high-pressure line system connecting the gas tank and the consumer system, and closing a second valve device to interrupt a gas supply from the high-pressure line system to the consumer system. In particular, a pressure change in the high-pressure line system is detected by means of a pressure sensor when the first valve device is closed, and a theoretical actual mass flow rate in the high-pressure line system is determined on the basis of the detected pressure change. The target actual mass flow rate in the high-pressure line system is compared with the determined fuel mass flow rate demand of the consumption system, and a fault signal is generated by a control device when the target actual mass flow rate deviates from the fuel mass flow rate demand by more than a threshold value.
Resumen de: CN120188019A
A method for operating a gas tank system includes detecting a pressure in a high-pressure line system in a state in which the gas tank system is connected to the high-pressure line system, the high-pressure pipeline system is disconnected from the gas tank through the first valve device in the closed state and is disconnected from the consumption system through the flow adjusting device in the closed state for a predetermined time period; the detected pressure is compared to a pressure threshold. If the detected pressure is less than the pressure threshold value, supplying a limited amount of gas from the gas tank into the high-pressure line system by opening the first valve device in a limited manner in time; ascertaining a leakage mass flow in the high-pressure line system after the supply of the limited amount of gas; comparing the leakage mass flow to a leakage threshold; and the first valve device is opened only if the determined leakage mass flow is less than a leakage threshold value.
Resumen de: CN120092336A
The invention relates to a method for determining the humidity of a gas flow at a measuring point of a fuel cell system, a fuel cell system, a vehicle, a computer program and a computer readable medium. The invention relates to a method for determining (3) the humidity of a gas flow at a measurement point of a fuel cell system (7), the humidity of the gas flow at the measurement point being determined (3) on the basis of the difference between the hydrogen-nitrogen ratios of the gas flow measured by means of two sensors (9, 10). The invention also relates to a vehicle (6) and a fuel cell system (7). The invention also relates to a computer program (12) and a computer readable medium (13).
Resumen de: WO2024100371A1
A method of reducing the greenhouse gas impact of livestock farming includes feeding a fuel gas comprising one or more hydrocarbons to an anode of a solid oxide fuel cell stack, withdrawing air, that includes methane originating from livestock, from a livestock housing or enclosure and feeding the withdrawn air to a cathode of the solid oxide fuel cell stack. The oxygen in the air is allowed exothermically to react with the one or more hydrocarbons in the fuel gas to form at the anode a heated first exhaust stream comprising water and carbon dioxide and at the cathode a heated second exhaust stream comprising methane, thereby generating an electrical current from the solid oxide fuel cell stack through an external electrical circuit. At least the heated second exhaust stream is fed to a combustor and combusted, producing a heated tail gas stream.
Resumen de: EP4618204A2
Method of manufacturing of a membrane with surface fiber structure, in particular for use in an electrolyzer or fuel cell, by inserting the polymer membrane into the vacuum chamber equipped with a magnetron sputtering system with a cerium oxide target in which an atmosphere of O2 and inert gas is formed and igniting the plasma which leads to simultaneous plasma etching of the membrane surface and deposition of cerium oxide onto the surface of etched membrane resulting in formation of fibers. The membrane is made of polymer and on at least one of its sides features porous surface made of fibers, the cross-sectional dimensions of which are lower than their length and which are integral and inseparable part of membrane body.
Resumen de: EP4618202A1
A frame assembly includes an electrochemical cell, a frame, and a reinforcement system. The electrochemical cell includes a first catalyst layer, a second catalyst layer spaced apart from the first catalyst layer, and a membrane located between the first catalyst layer and the second catalyst layer. The frame includes an upper frame arranged above the membrane and a lower frame arranged below the membrane. The reinforcement system is configured to increase a mechanical stability of the electrochemical cell.
Resumen de: WO2024145141A1
An ionically conductive thin film composite (TFC) membrane is described. The low cost, high performance TFC membrane comprises a first micropous support membrane, a hydrophilic ionomeric polymer coating layer on a first surface of the microporous support membrane, and a second microporous support membrane on the surface of the hydrophilic ionomeric polymer coating layer opposite the first microporous support membrane. The hydrophilic ionomeric polymer coating layer is ionically conductive. The ionomeric polymer can also be present in the micropores of the first microporous support membrane. Methods of making the TFC membranes and redox flow battery systems incorporating the TFC membranes are also described.
Resumen de: CN120283317A
A combustion system is provided. The combustion system includes a top cycle. The combustion system further includes a fuel cell including an anode side, a cathode side, and an electrolyte. The anode side receives fuel via an anode inlet line and generates an anode output product containing a first portion of hydrogen. The cathode side receives an oxidant from a cathode inlet line. The combustion system further includes a separation system having a water gas shift reactor that produces a second portion of hydrogen from the anode output product. The top cycle is fluidly coupled to the separation system such that the top cycle receives the hydrogen produced from the anode output product.
Resumen de: EP4617296A1
The present invention relates to a novel polymer and an anion exchange membrane comprising the same and thus having improved ion conductivity and durability.
Resumen de: EP4617820A1
Embodiments of this application provide an integrated apparatus, a cooling system, a cooling method, and a terminal. The integrated apparatus includes a circuit board, a temperature sensor, and a humidity sensor. A dew point temperature of an environment in the integrated apparatus is calculated based on a temperature and humidity measured by the temperature sensor and the humidity sensor, and a cooling mode of the integrated apparatus is selected based on the dew point temperature, to avoid generating condensation. The cooling system includes the integrated apparatus, a cooling pipe, a valve, and a heat exchange medium. Opening/Closing of the valve controls whether the heat exchange medium circulates in the cooling pipe, and controls the cooling mode of the integrated apparatus, to avoid generating condensation and prevent from a short circuit in the circuit board. According to the solution provided in this application, the integrated apparatus requires only IP52 rating, eliminating the need for a ventilation valve, adhesive dispensing sealing, or a reversible moisture-absorbing material. There is no need to apply a waterproof coating on the circuit board. This reduces manufacturing and maintenance costs of the integrated apparatus, facilitates disassembly, ensures good heat dissipation performance, and contributes to enhanced performance of the integrated apparatus.
Resumen de: CN120187514A
Provided herein are processes and systems related to a carbon dioxide sequestration process comprising a) calcining limestone using fossil fuel instead of an input to form a mixture comprising lime and a gas stream comprising greater than about 30 vol% carbon dioxide; and b) treating the mixture comprising lime with the atmosphere and allowing carbon dioxide from the atmosphere to react with the mixture and form a composition comprising calcium carbonate, calcium bicarbonate, or a combination thereof. Also provided herein are processes and systems related to a carbon dioxide sequestration process comprising a) calcining limestone using fossil fuel instead of an input to form a mixture comprising lime and a gas stream comprising greater than about 30 vol% carbon dioxide; and b) treating the mixture comprising lime with natural water and allowing carbon dioxide dissolved in the natural water to react with the mixture to form a composition comprising calcium carbonate, calcium bicarbonate, or a combination thereof.
Resumen de: MX2025005323A
The present disclosure provides systems and methods for monitoring temperature and pressure of a hydrogen storage system. Various temperature and pressure sensors are used to monitor temperature and pressure in one or more tanks of hydrogen gas.
Resumen de: EP4618203A1
The present disclosure relates to a membrane-electrode assembly for a fuel cell and a fabrication method therefor. More specifically, the membrane-electrode assembly for a fuel cell according to the present disclosure comprises: an electrode including a high-porosity catalyst layer and a low-porosity catalyst layer; and an adhesive layer between the electrode and a polymer electrolyte membrane, and thus may have improved durability and performance.
Resumen de: EP4618201A1
Proposed is a fuel cell separator. More particularly, proposed is a fuel cell separator having a point contact channel structure, in which the channel structure of the separator is formed inclinedly to ensure smooth transfer and discharge of condensed water, and an overlapping portion of opposite anode separator and cathode separator forms a point contact to have a minimum area so that water accumulation caused by a pressed gas diffusion layer and electrode performance degradation can be minimized.
Resumen de: EP4617406A1
A composition for forming a catalyst layer according to the present application includes: catalyst particles; a binder; and a solvent, wherein the catalyst particles have an average particle size of primary particles of 1 to 500 nm, the solvent has a surface tension in a range from 23 to 33 mN/m, and the composition has a solid content concentration of 1 to 20 mass%. A gas diffusion electrode according to the present application incudes: a conductive porous substrate; and a catalyst layer formed on a surface of the conductive porous substrate, wherein the conductive porous substrate has a critical surface tension of less than 29 mN/m, the catalyst layer includes catalyst particles having an average particle size of primary particles of 1 to 500 nm, and a binder, the catalyst layer has a thickness of 10 µm or less, and an area ratio of non-coated portions of the catalyst layer calculated by image analysis is 15% or less.
Resumen de: CN119923732A
Systems and methods for rebalancing cells in a redox flow battery are provided. In one example, a rebalancing battery cell system includes a first rebalancing battery cell in series fluid communication with a second rebalancing battery cell and a hydrogen gas source, the first rebalancing battery cell including a first electrode assembly stack, the first electrode assembly stack has a hydrogen flow path extending therethrough and has a pressure higher than that of an electrolyte in the first electrode assembly stack. Further, the second rebalancing battery cell includes a second electrode assembly stack having a hydrogen flow path extending therethrough and having a pressure higher than that of the electrolyte in the second electrode assembly stack.
Resumen de: CN120657185A
本发明提供了一种可逆固体氧化物电池及其制备方法，可逆固体氧化物电池包括由下至上层叠设置的燃料电极层、功能层、电解质层以及空气电极层，燃料电极层为镍基质子导电陶瓷材料，其中，燃料电极层远离空气电极层的一侧表面设置有析出型NiFe双金属合金材料的氨分解催化层，析出型NiFe双金属合金材料的化学通式为NiFe@(Ce0.9Gd0.1)1‑x(Ni0.5Fe0.5)x，0.1≤x≤0.3；本发明的氨分解催化层能够有效提高燃料电极层对氨气的催化活性，从而提高可逆固体氧化物电池的电化学性能；同时，氨分解催化层能有效保护燃料电极层结构并抑制镍基质子导电陶瓷材料的烧结。
Resumen de: CN120657184A
本发明适用于燃料电池技术领域，提供了一种共混改性聚苯并咪唑质子交换膜及制备方法，包括以下步骤：S1，制备4‑甲基‑N‑甲苯磺酰基苯磺酰胺；S2，制备4,4'‑亚氨基双(磺酰基)双苯甲酸；S3，制备PSI：将CBSI与适量的无水氯化锂溶解在适量的吡啶、亚磷酸三苯酯和吡咯烷酮的混合溶液中，溶解完全后加入二氨基类分子，将溶液加热搅拌12 h后倒入甲醇中，过滤收集产物，水洗后干燥得到产物PSI；S4，制备PSI/OPBI共混膜。本发明所制得的共混膜具备优异的质子传导性与良好的机械性能，满足燃料电池质子交换膜的性能要求；而且，本发明原料成本低，易得，合成条件成熟，产率高，可行性高，具有广泛的应用前景。
Resumen de: CN120657188A
本发明公开了一种高电压盐穴水系有机液流电池及其制备方法，属于液流电池电解液技术领域。本发明通过在紫精类化合物吡啶N邻位引入位阻基团，或在对位接枝共轭基团以实现共轭拓展，获得具备低氧化还原电位和高稳定性的负极有机活性分子；同时在环状氮氧自由基分子的取代位直接接枝季铵型基团，制备出具有高氧化还原电位和良好稳定性的正极有机活性分子。上述正负极分子分别溶解于富含多种盐离子的天然盐穴溶液中，构成电解液，制备得到高电压盐穴水系有机液流电池。该体系具有高电压、高能量效率和良好的循环稳定性，为构建高性能、低成本、适用于大规模储能的水系液流电池系统提供了新的设计思路与实现路径。
Resumen de: CN223347796U
本实用新型公开一种燃料电池铜排定位工装结构。该结构包括定位块、弹簧、导向销、固定座、进给和旋转轴和进给按钮；所述定位块下方连接有导向销，所述导向销与固定座连接，所述定位块与固定座之间设置有弹簧；所述固定座的内部开设有螺栓导向孔，所述定位块底部设置有铜排固定销；所述螺栓导向孔与铜排固定销处于同一直线上；所述固定座内部设置有进给和旋转轴，所述进给和旋转轴的一端连接至定位块。本实用新型解决燃料电池系统高度集成化带来的电连接困难。
Resumen de: CN223347792U
本实用新型提供一种气水分离器，包括：主体，包括圆筒段、收缩段和集水段，其中所述收缩段被设置于所述圆筒段和所述集水段之间；进气管，被切向设置于所述圆筒段的上端部；出气管，被切向设置于所述圆筒段的下端部；导流体，被轴向设置于所述主体的内侧，其中所述导流体的圆管段自所述圆筒段的顶板向下延伸至低于所述圆筒段的所述下端部；分离腔，位于所述主体和所述导流体之间，且与所述进气管和所述出气管相连通；和汇集通道，位于所述收缩段和所述导流体之间，用于允许液态水穿过所述汇集通道向所述集水段汇集。
Nº publicación: CN223347793U 16/09/2025
Solicitante:
宁波鲲华新能源技术有限公司
Resumen de: CN223347793U
本实用新型公开了一种燃料电池低流阻增湿器，涉及到氢燃料电池领域，包括外壳体、膜管组件和环氧树脂胶层，所述膜管组件包括膜管组件壳体和中空纤维管膜。本实用新型中实际外壳体内腔轮廓包括但不限于方形、六边形，膜管组件壳体采用异形截面，依据实际外壳体内腔轮廓设计，充分利用外壳体与膜管组件之间空间，降低外壳体内腔轮廓与膜管组件侧边距离，采用相同或更高的膜管填充率，本实用新型异形截面方案表现出更大的湿空气流通面积，降低湿空气侧流阻，提升增湿器性能。
BOPI
Sede Electrónica
