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628
resultados
Última actualización
09/10/2025 [12:40:00]
Resultados 25 a 50 de 628
Resumen de: CN120092333A
A method of recycling a spent catalyst coated membrane, wherein the spent catalyst coated membrane comprises: a membrane comprising a membrane ionomer; a first catalyst layer disposed on one side of the membrane, the first catalyst layer comprising a first catalyst and a first catalyst layer ionomer; and a second catalyst layer disposed on opposite sides of the membrane, the second catalyst layer comprising a second catalyst and a second catalyst layer ionomer. The method is configured to recover the first catalyst layer ionomer and the second catalyst layer ionomer in addition to the catalyst materials and the membrane ionomer.
Resumen de: WO2024115576A1
An abiotic biofuel cell comprising an anodic compartment comprising an anodic chamber, wherein said anodic chamber contains a first electrolytic solution, comprising an alkaline solution and a biofuel dispersed in said alkaline solution, and an anodic-chamber electrode in contact with the first electrolytic solution; a cathodic compartment comprising a cathodic chamber, wherein said cathodic chamber contains a second electrolytic solution, comprising an electron acceptor, and a cathodic-chamber electrode in contact with said second electrolytic solution; and ion-selective means adapted to separate the anodic chamber and the cathodic chamber and to be in fluid communication therewith; a plant comprising this abiotic biofuel cell and an operating process thereof.
Resumen de: WO2024115236A1
The invention relates to a method and a device for ascertaining the conditions underlying a degradation of galvanic cell assemblies, in particular fuel cell assemblies (10), of a stationary or preferably mobile system using electrochemical impedance spectroscopy, wherein an electric input signal with a frequency which changes within an overall frequency range, in particular a frequency range between 10 mHz and 100 kHz, 200 kHz, or 300 kHz, is applied to the galvanic cell assembly, in particular the fuel cell assembly, and an electric output signal which is produced on the output side of the cell assembly in response thereto is measured with respect to amplitude and frequency and is analyzed using a comparison with previously captured reference values. Improved application possibilities for the method and the device are achieved on the basis of the electrochemical impedance spectroscopy in that the electric output signal is measured only in mutually spaced frequency bands (22) about specific frequency points (21) within the overall frequency range on which the measurement is based, and the analysis is based on the output signal.
Resumen de: WO2024115506A1
The present invention relates to a solid oxide cell (SOC) stack made of single repeating units (SRU), each of which comprising: - a ceramic cell with a corrugated membrane and a sealing frame with gas distribution holes and channels, and - a flat metallic interconnect.
Resumen de: MX2025005376A
The present invention relates to compositions with low electrical conductivity which comprise a hydroxylamine-containing molecule in combination with a yellow metal corrosion inhibitor such as a triazole, wherein the weight ratio of the yellow metal corrosion inhibitor to the hydroxylamine- containing molecule is from 1 :20 to 20:1; and wherein the composition has an electrical conductivity at 25 °C of less than 200 Î1⁄4S/cm. These compositions can effectively provide ferrous metal corrosion inhibition in heat-transfer fluids at low electrical conductivity and maintain a low electrical conductivity which does not alter substantially with aging. They are thus particularly useful as heat-transfer fluids, for example in fuel cells or battery electric vehicles. The invention further relates to methods for the preparation of said compositions, and to uses employing said compositions.
Resumen de: MX2025005376A
The present invention relates to compositions with low electrical conductivity which comprise a hydroxylamine-containing molecule in combination with a yellow metal corrosion inhibitor such as a triazole, wherein the weight ratio of the yellow metal corrosion inhibitor to the hydroxylamine- containing molecule is from 1 :20 to 20:1; and wherein the composition has an electrical conductivity at 25 °C of less than 200 Î1⁄4S/cm. These compositions can effectively provide ferrous metal corrosion inhibition in heat-transfer fluids at low electrical conductivity and maintain a low electrical conductivity which does not alter substantially with aging. They are thus particularly useful as heat-transfer fluids, for example in fuel cells or battery electric vehicles. The invention further relates to methods for the preparation of said compositions, and to uses employing said compositions.
Resumen de: WO2024115222A1
The invention relates to a test system (10a; 10b; 10c) for characterising solid oxide cells, preferably at temperatures between 500°C and 850°C, comprising at least one gas control unit (12a; 12b; 12c) for forming a homogeneous fuel gas mixture for the solid oxide cells, at least one fuel gas mixture line (16a; 16b), at least one hydrogen gas line (18a; 18b), and in particular at least one oxygen gas line (20a; 20b), wherein the at least one gas control unit (12a; 12b; 12c) has at least three stack layers (22a; 22b; 22c), at least one hydration unit (24a; 24b) which is directly gas-conductingly connected to the at least one hydrogen gas line (18a; 18b) and/or to the at least one oxygen gas line (20a; 20b) for the humidification of the homogeneous gas mixture and which is arranged in a hydration layer (26a; 26b) of the at least three stack layers (22a; 22b; 22c), at least one mixing chamber (28a; 28b) that is directly gas-conductingly connected to the fuel gas mixture line (16a; 16b) and the hydration unit (24a; 24b), which is designed to form the homogenous gas mixture and which is arranged in a mixing layer (30a; 30b) of the at least three stack layers (22a; 22b; 22c), and at least one test station (32a, 36a, 38a, 38a'; 32b, 36b, 38b, 38b'; 32c, 36c, 38c) for a solid oxide cell, which is arranged in a test layer (34a; 34b; 34c) of the at least three stack layers (22a; 22b; 22c). According to the invention, the gas control unit (12a; 12b; 12c) has at least one other test st
Resumen de: CN120303797A
The present invention relates to a gas diffusion layer for a fuel cell, comprising a microporous layer with a polymeric binder which is free of fluorine or has a lower proportion of fluorine-containing polymer compared to conventional binders, a gas diffusion layer obtainable using the method, and a method for producing a gas diffusion layer for a fuel cell, the gas diffusion layer comprising a microporous layer comprising a microporous layer having a polymeric binder which is free of fluorine or has a lower proportion of fluorine-containing polymer compared to conventional binders. And a fuel cell comprising such a gas diffusion layer.
Resumen de: CN120303796A
The invention relates to a bipolar plate (10) for a single cell (11) of an electrochemical energy converter (12), comprising a first flow structure (13) and a second flow structure (14) adjacent to the first flow structure (13), the first and the second flow structure (14) being arranged on one side of the bipolar plate (10), the first flow structure (13) being designed to be used for connecting the first flow structure (13) to the second flow structure (14), and the second flow structure (14) being designed to be used for connecting the first flow structure (13) to the second flow structure (14). The medium is distributed along a first longitudinal direction (X1) of the bipolar plate (10), and wherein the second flow structure (14) is designed to distribute the medium from the first flow structure (13) in a second longitudinal direction (X2) and/or a transverse direction (Y) of the bipolar plate (10).
Resumen de: WO2024114882A1
A method for controlling a cooling system (110) of a power assembly (102) comprising a fuel cell unit (106) and an electric energy storage system (104), the cooling system being controllable to cool the fuel cell unit to a first temperature at which the fuel cell unit can generate power at a first power level, and at which the electric energy storage system delivers output power when the power request is above the first power level. The method comprises: - predicting a power request for power delivery from the power assembly during a future time interval, - determining an electric energy level of the electric energy storage system, - determining if the power assembly will be unable to deliver output power according to the power request throughout the time interval, - controlling the cooling system to cool the fuel cell unit to a second temperature higher than the first temperature.
Resumen de: WO2024115949A1
A coolant expansion tank for a vehicle cooling system includes a coolant side having coolant. The tank further includes a first gas port on the coolant side for receiving first gas comprising gas bubbles separated from coolant in a first coolant circuit by a first gas separator, the first gas contributing to air pressure on the coolant in the coolant side. The tank further includes at least one second gas port on the coolant side for receiving second gas comprising gas bubbles separated from coolant in at least one second coolant circuit by at least one second gas separator, the second gas contributing to air pressure on the coolant in the coolant side. The tank further includes a pressurized air side having pressurized air to pressurize the coolant in the coolant side to a set pressure and has a port for receiving pressurized air from a pressure regulator.
Resumen de: WO2024115945A1
A coolant expansion tank for a vehicle cooling system includes a cooling fluid port for receiving cooling fluid for at least one coolant chamber on a coolant side of the coolant expansion tank. The tank further includes a transfer channel between the at least one coolant chamber and a pressured air side of the coolant expansion tank. The tank further includes the pressurized air side separated from the coolant side by a wall having the transfer channel, the pressurized air side providing pressurized air to the one or more coolant chambers via the transfer channel. The tank further includes a gas separation inlet on the coolant side for receiving gas separated from cooling fluid by a separator, the gas contributing to air pressure on the cooling fluid in the coolant side, wherein the excess pressure is released from the pressurized air side to a feed air transfer pipe.
Resumen de: EP4629354A1
The present invention relates to a cartridge for a fuel cell humidifier, and a fuel cell humidifier, the cartridge being provided in a fuel cell humidifier which uses a second gas to humidify a first gas which is to be supplied to a fuel cell stack, and the cartridge comprising: an inner case provided with respective openings in both ends thereof; and a hollow fiber membrane bundle received inside the inner case, wherein the hollow fiber membrane bundle comprises a plurality of hollow fiber membranes so as to satisfy at least one among a flow velocity condition for enabling a first gas to flow at a flow velocity of 1 m/s to 10 m/s, and a turbulence condition for enabling the first gas to flow at a Reynolds number of 50 to 400.
Resumen de: WO2024118783A1
An electrochemical cell (e.g., rechargeable solid state battery) includes a cathode, an anode, and a solid state electrolyte disposed between the cathode and the anode. The anode includes an anode material having a plurality of voids. In some embodiments, the cathode includes lithium, and the anode is formulated to cause lithium metal to be deposited in the plurality of voids during charging of the electrochemical cell. In some embodiments, the anode includes a constriction-susceptible surface that controls the interplay between lithiation and lithium plating. The electrochemical cells disclosed herein are advantageous as they provide improved battery cycling performance combined with excellent power and energy density.
Resumen de: EP4629351A1
An embodiment of the present disclosure provides a membrane electrode assembly including a first electrode portion, a second electrode portion, and an electrolyte membrane, wherein each electrode portion includes a catalyst layer and a gas diffusion layer, the catalyst layer includes platinum and a carbon support, and a platinum loading amount of the electrode portions is 1.5 to 5 mg/cm<sup>2</sup>.
Resumen de: EP4628207A1
Provided are a carbon catalyst that exhibits high catalytic activity while effectively avoiding problems caused by iron, an electrode, and a battery. The carbon catalyst has a ratio L/La of an average carbon network plane size L, which is obtained by temperature programmed desorption analysis capable of heating to 1,600°C, to a crystallite size La, which is obtained from a diffraction peak in a vicinity of a diffraction angle (2θ) of 43° in an X-ray diffraction pattern obtained by powder X-ray diffraction using a CuKα ray, of 12 or more, and the carbon catalyst has an iron content of 3,000 ppm or less.
Resumen de: EP4629358A1
A fuel cell apparatus control method includes at least two of the steps of: reducing an output of a fuel cell apparatus that generates power using hydrogen from a hydrogen reservoir device upon a decrease in an amount of hydrogen in the hydrogen reservoir device; reducing the output of the fuel cell apparatus upon an increase in a temperature of a heating medium that collects exhaust heat from the fuel cell apparatus; and reducing the output of the fuel cell apparatus upon an increase in an air temperature inside or outside a housing of the fuel cell apparatus. In this control method, when the at least two of the steps are all executed, the output of the fuel cell apparatus is reduced by a largest one of amounts of output reduction of the fuel cell apparatus executed by the respective steps.
Resumen de: EP4629357A1
A life prediction method according to the present disclosure is a life prediction method for a field cell apparatus including power generation units each including a fuel cell. The life prediction method includes predicting a time when each of the power generation units of the fuel cell apparatus reaches an end of life, from a cumulative power generation time of the power generation unit of the fuel cell apparatus at which the power generation unit is determined to reach the end of life, and from a ratio of a number of the power generation units that generate power out of a total number of the power generation units of the fuel cell apparatus in a predetermined period.
Resumen de: EP4629356A1
Ein Brennstoffzellensystem, insbesondere für ein Fahrzeug, umfasst wenigstens eine Brennstoffzelle (12) mit einem an einem Anoden-Einlassbereich (20) mit Wasserstoff enthaltendem Anodengas zu speisenden Anodenbereich (14), einem an einem Kathoden-Einlassbereich (24) mit Sauerstoff enthaltendem Kathodengas zu speisenden Kathodenbereich (16), einem Anoden-Auslassbereich (32) zur Abgabe von Anodenabgas und einem Kathoden-Auslassbereich (38) zur Abgabe von Kathodenabgas, sowie einen Pufferspeicher (48) zur Aufnahme von Anodenabgas von dem Anoden-Auslassbereich (32).
Resumen de: CN223414105U
本申请提供了一种集中供压式氢燃料电池发电系统，包括发电单元、气路集中供压单元和水路集中供压单元；所述发电单元包括若干个用于发电的电堆模块；所述气路集中供压单元包括设置于供气总管路上的空压机，该空压机通过供气总管路连接若干条供气支路，所述供气支路上依次设置有气路开关阀、增湿器、气路背压阀和空气尾排管；所述水路集中供压单元包括设置于供水总管路上的膨胀水壶、水路循环泵和集水箱，该水路循环泵通过供水总管路连接若干条供水支路，所述供水支路上依次设置有水路开关阀、三通阀、PTC加热器和水路背压阀。本申请能够实现氢燃料电池发电系统中的空气路和水路的集中供压，降低设备成本和长期运行成本。
Resumen de: FR3160824A1
L’invention concerne une tige de guidage (200) pour la fabrication d’un système électrochimique (100) à oxyde solide, ledit système électrochimique comprenant un empilement (130) de dispositifs unitaires (170), chaque dispositif comportant au moins un interconnecteur (150), une cellule électrochimique (160) à oxyde solide et une entretoise (140) interposée entre ledit interconnecteur et un interconnecteur d’un dispositif adjacent, chaque interconnecteur et chaque entretoise présentant au moins une perforation (152, 142), de préférence au moins deux perforations, permettant le passage de ladite tige de guidage associée, afin de maintenir l’empilement dans une position prédéfinie, ladite fabrication comportant une étape de compression de l’empilement (130) obtenu lors de l’étape d’empilement, ladite tige de guidage étant constituée d’un assemblage d’un premier (210) et d’un second (220) tronçons, ledit assemblage étant réversible de manière à permettre la désolidarisation desdits tronçons à l’issue de l’étape de compression. L’invention concerne également la fabrication d’un système électrochimique. Figure 3
Resumen de: CN223414100U
本实用新型提供了一种燃料电池，所述燃料电池中的第一构件和具有密封槽的第二构件之间设有密封结构，所述密封结构设在第一构件和具有密封槽的第二构件之间，密封结构包括能够设于密封槽内的结构主体，以及设于结构主体宽度方向至少一侧的限位凸起，限位凸起能够与密封槽的槽壁抵接，以限制结构主体在密封槽内的位移，结构主体高度方向的两端能够分别与第一构件和第二构件抵接，以密封第一构件和第二构件之间的间隙，所述第一构件为燃料电池上的分配头，所述第二构件为电堆前端板。本实用新型利于提高密封结构在密封槽内的安装效果，并防止结构主体在密封槽内出现倾倒、歪斜等问题，进而利于提高密封结构对第一构件和第二构件之间间隙的密封效果。
Resumen de: CN223414107U
一种燃料电池恒温控制系统，依次连接构成循环回路的电解液箱、循环泵、电池堆以及储热箱，且储热箱中设有散热管路、导热翅片和相变材料，相变材料布设于散热管路和导热翅片的外周；电解液通过散热管路及管路上的导热翅片将热量传导给相变材料；电池堆反应后的高温电解液通过管路流过储热箱，流出的电解液再流入电解液箱，并通过循环泵泵入电池堆，利用相变材料将热量收集并储存起来，既能保持燃料电池电解质温度恒定，又能减少对周围环境温度的影响。
Resumen de: CN223414103U
本实用新型提供了一种基于固态储氢的氢储能电站热量管理系统，变压整流装置及电化学储能装置与发电装置供电相连，电解槽的电源接口与变压整流装置的直流供电接口相连；气液处理器与电解槽的氢碱混合物、氧碱混合物及碱液接口分别相连；氢气纯化装置与气液处理器氢气接口相连；固态储氢装置与氢气纯化装置氢气接口相连，低温闭式循环冷却水与充氢换热器循环连接，闭式循环热水与放氢换热器循环连接；燃料电池发电装置与固态储氢装置氢气接口相连，闭式循环冷却水与燃料电池换热器循环连接。所提供的系统能够实现氢储能电站的制氢、燃料电池发电和停机热备等模式热量管理，提高运行能效。
Nº publicación: CN223408835U 03/10/2025
Solicitante:
东莞市冠逸自动化科技有限公司
Resumen de: CN223408835U
本实用新型公开了一种液流电池组装线用的电堆翻转机构，包括底架，底架的顶部固定连接有支撑座，支撑座的顶部固定连接有主料架，主料架的一侧设有电堆翻转座，主料架底部的两侧均固定连接有安装板，电堆翻转座的底部固定连接有旋转杆，旋转杆与安装板转动连接，主料架的一侧设有驱动机构，驱动机构包括固定外壳、安装在固定外壳内壁的主电机和设在固定外壳一侧的减速机，主电机的输出端连接有转轴，转轴的一端与减速机的输入端连接，减速机的输出端连接有输出轴，输出轴的一端固定连接有主动齿轮，本实用新型一种液流电池组装线用的电堆翻转机构，整个翻转机构便于自动对液流电池堆进行翻转处理，提高加工效率。
BOPI
Sede Electrónica
