Resumen de: EP4765260A1
0001 The present disclosure relates to a cartridge type fuel cell membrane humidifier including a housing including an exhaust gas inlet through which exhaust gas discharged from the fuel cell stack is introduced and an exhaust gas outlet configured to discharge the exhaust gas, and a cartridge disposed inside the housing and including a plurality of humidification membranes, the cartridge includes an inner case in which the plurality of humidification membranes are disposed, and a potting unit configured to fix the plurality of humidification membranes, the inner case including a first window portion disposed adjacent to the exhaust gas inlet and including a plurality of windows and a second window portion disposed adjacent to the exhaust gas outlet and including a plurality of windows, and the first window portion including the plurality of windows having different sizes.
Resumen de: EP4765259A1
0001 A humidifier for a fuel cell with a length of a hollow fiber membrane or a gap between hollow fiber membranes, which is adjusted in response to an internal temperature of the humidifier changing with an output condition of the fuel cell, includes a housing, the hollow fiber membrane located inside the housing and inside of which dry air flows and outside of which moist air flows, and a potting material located at opposite ends of the hollow fiber membrane and fixing a terminal end of the hollow fiber membrane, in which a first temperature-sensitive volume-changing member that expands and contracts according to temperature is inserted into the potting material such that, with respect to the first temperature-sensitive volume-changing member, the potting material is divided into an inner potting material located on an inner side of the housing and an outer potting material located on an outer side of the housing and spaced apart from the inner potting material.
Resumen de: WO2025042767A1
Systems and methods are present for the preconditioning of graphite plates to achieve a graphite bipolar plate with minimal defects. An example of such a system comprises a platform to hold a graphite plate, a scoring tool to score the graphite plate, and a guide system to move the scoring tool along the length of the graphite plate.
Resumen de: WO2025037119A1
The present invention provides a proton-exchange membrane comprising a blend of first and second ionomers, the first ionomer comprising a first main chain covalently bonded to a first side chain and the second ionomer comprising a second main chain covalently bonded to a second side chain; wherein each of the first and second side chains comprise a sulfonic acid end group; wherein a relaxation modulus of a membrane formed from the first ionomer is at least 10 times less than a relaxation modulus of a membrane formed from the second ionomer, preferably at least 100 times less; and wherein the relaxation modulus of the membrane formed from the second ionomer is greater than 10,000 MPa.
Resumen de: US2025058638A1
0000 An autonomous underwater vehicle (AUV) including a hydrogen fuel cell is provided. The fuel cell control computer is a separate, stand-alone control system that interfaces with a vehicle control computer (VCC) to ensure safe operation of the fuel cell system. Relay logic for disabling the fuel cell enables the VCC to determine if the fuel cell has shut down, ensuring that the AUV system does not send power to the fuel cell system if there are unsafe conditions.
Resumen de: US2025062365A1
Substrates for producing oxygen electrodes, oxygen electrodes, electrochemical devices and productions methods are provided. Substrates include an intermediate microporous layer (MPL) attached to a porous transport layer (PTL) to interface between the PTL and the catalytic layer deposited on the MPL—to provide microstructure compatibility, improved adhesion and better performance of the oxygen electrode produced therefrom. The MPL corresponds to the PTL with respect to the types of metallic material, to provide good electric conductivity, while the metal particle sizes of the MPL are selected to modify the pore sizes of the PTL to reach a predefined pore size distribution of the substrate—which best supports printing, adhesion and performance of the catalyst layer on the substrate. Electrochemical devices such as fuel cells, electrolyzers and reversible devices may include the oxygen electrodes, which may be optimized for the specific application.
Resumen de: WO2025038822A1
The following disclosure relates to electrochemical cell and stacks and components thereof. More specifically, the following disclosure relates to components or systems configured to protect the degradation of an electrochemical cell or stack having a plurality of electrochemical cells. This may be accomplished by operating the cell or stack in a shielding state, instead of completely shutting down operation of the cell or stack. In the shielding state, the at least one electrochemical cell no longer receives enough voltage to generate gas via electrolysis, but still receives enough voltage to maintain a charged capacitance and protect the at least one electrochemical cell from depolarization or discharge.
Resumen de: WO2025037994A1
The subject of this invention is the system for generation and use of hydrogen in which a subsystem for hydrogen generation (U1) contains a reaction chamber (1) with aluminium (2) and sodium hydroxide (3), to which a water nozzle (4) is attached, connected through a duct (5) to a water pump (6). The upper part of the reaction chamber (1) contains an outlet connection (7) connected to a subsystem for hydrogen purification (U2), which is connected to the subsystem for hydrogen oxidation (U3), to which an inlet (27) through oxygen is supplied, is connected. This system is characterised in that the subsystem for hydrogen purification (U2) contains at least one water tank (9) connected to the subsystem for hydrogen oxidation (U3), which outlet (21) is connected through a non-return valve (22) with the condensing tank (23).
Resumen de: GB2702749A
A redox flow battery system 1 comprises at least one pair of battery modules 35,35'; 37,37'; 39,39 housed in a respective container (15, fig 2) and provided opposite each other with a shared service corridor 3 positioned therebetween, each container including an access portal (57, fig 3) accessible from the shared service corridor. This arrangement provides access to an equipment or power block 47 of each battery module, wherein the equipment block is installable into and removable from (e.g. may slide in and out of) its container by moving the equipment or power block through the container access portal to or from the shared service corridor. The container may be an intermodal (or 'ISO') shipping container. This system reduces the footprint required to deploy a redox flow battery system, facilitating its deployment in constrained spaces, whilst ensuring the system can be serviced and maintained effectively and safely. A method of installing and/or removing an equipment block from a container of the system via the shared corridor is also described. The system is preferably a vanadium redox flow battery system. Use figure 1
Resumen de: GB2702739A
A redox flow battery system comprises at least one battery module 40 comprising (i) a first cell stack 50 comprising at least one cell sub-stack 60 connected in series, (ii) a second cell stack 50 comprising at least one cell sub-stack 60, the first and second cell stacks being connected in parallel within the battery module, and (iii) an electrolyte tank pair (46, figure 6), wherein the cell sub-stacks of the first and second cell stacks are hydraulically connected in parallel with the tank pair, i.e. the two cell stacks share the same pair of electrolyte tanks. In one aspect, there are at least two of these battery modules connected in series to form a string (30, figures 1 & 2). Alternatively, an array (20, figure 4) comprises at least two strings (30, figure 4) of the battery modules connected in parallel. In a further aspect, the battery module is housed within a standard-sized shipping container. In another aspect, at least one cell stack within at least one of the battery modules is configured to be removable from the battery module. Use figure 3
Resumen de: EP4764377A1
0001 A system and method of generating electrical energy using a fuel cell while decarbonizing an exhaust gas generated by the fuel cell is disclosed. Heat generated by an electrochemical reaction within the fuel cell can be recovered at both an anode side and a cathode side of the fuel cell, and at least some of the recovered heat can be used to preheat each of a fuel feed and an oxidant supplied to the fuel cell. A carbon capture system may be included and used to capture and liquefy carbon dioxide present in an anodic exhaust gas emitted by the fuel cell. At least a liquefaction subsystem of the carbon capture system may receive a cooled refrigerant from a vapor absorption and refrigeration device that cools the refrigerant using heat extracted from heat transfer fluid heated by recovered heat from the anodic exhaust gas and a cathodic exhaust gas.
Resumen de: WO2025131321A1
The invention relates to a cell unit (12) comprising a cell layer (18) and an interconnector plate (28), wherein a periphery (22) of the cell layer (18) is attached to a periphery (30) of the interconnector plate, wherein a central portion (24) of the cell layer and a central portion (32) of the interconnector plate define a fluid volume (34) therebetween, and wherein a fluid guidance insert (52) is disposed in the fluid volumes, said fluid guidance insert defining a fluid channel system for conveying fluid between at least one fluid port of the cell unit and the fluid volume.
Resumen de: WO2025131203A1
A fuel cell system and a method of its operation, a vehicle and a method for propelling the vehicle with the fuel cell system. In a fuel cell system (1), an evaporator (41), a superheater (42) and a reformer (26) are provided inside a pressurised container (20) to provide a compact fuel processing unit 5 (17).
Resumen de: EP4574665A1
0001 An energy conversion arrangement (10) for an aircraft (1), an energy system (2), a propulsion unit (5), and an aircraft (1) comprising an energy conversion arrangement (10) and/or an energy system (2) are provided, wherein the energy conversion arrangement (10) comprises at least one exhaust outlet (13) for letting out exhausts (E) produced by a fuel conversion device (11), in particular a fuel cell system (70), for converting at least one fuel to electrical and/or mechanical energy in the fuel conversion device (11); and at least one exhaust assembly (400) configured to admix a stream of the exhausts (E) from the at least one exhaust outlet (13) with ambient air (A) from the ambient surroundings (7) in at least one mixing zone (406) to promote a growth of water droplets through at least partly condensing water vapor contained in the exhausts (E) in the mixing zone (406).
Resumen de: WO2025099643A1
A system for generating electricity with reduced or negative carbon emissions includes a power plant section having an electricity generating unit that includes a solid oxide fuel cell (SOFC) system. The SOFC system includes a SOFC fuel cell reactor and a combustor with an energy exchange path. The combustor is coupled to the fuel cell reactor to combust unutilized fuel. The system also includes a direct air capture (DAC) section having a carbon dioxide (CO2) adsorption device having a CO2 adsorbent material and a ventilator electrically coupled to the electric generator for flowing ambient air through the CO2 adsorption device in a carbon capture mode. The CO2 adsorption device is coupled to and in energy communication with the energy exchange path for releasing adsorbed CO2 in a carbon release mode.
Resumen de: WO2025093374A1
The invention relates to an air compressor (100) for conveying air, said air compressor (100) comprising: - a stator (101), - a cooling device (103), and - a cladding (105) which surrounds the stator (101), said cooling device (103) comprising: - a main part (107) and - a number of air-guiding elements (109) formed on the surface of the main part (107), wherein the cooling device (103) overlaps with a winding head (111) of the stator at least at the end face in a region between the winding head (111) and the cladding (105), and the cladding (105) has a number of cladding receiving areas (113, 115), by means of which the cooling device is mechanically coupled to the cladding. The stator has a number of stator receiving areas (117, 119), by means of which the cooling device is mechanically coupled to the stator (101), and the cladding (105), together with the air guiding elements (109) and the main part (107), forms an air guiding path which is configured so as to guide an air mass flow along the stator (101).
Resumen de: WO2025113862A1
Pre-heating system (1) for a vehicle (2) comprising a first cooling circuit (3) comprising a first coolant (4) circulating therein and connected to a fuel cell system (5) of the vehicle (2) for regulating the operating temperature of said fuel cell system (5), a second cooling circuit (6) comprising a second coolant (7) circulating therein, the second cooling circuit (6) being separated from the first cooling circuit (3), and a heat exchanger (8) for thermally coupling the first cooling circuit (3) to the second cooling circuit (6) and for determining a heat exchange between the first coolant (4) and the second coolant (7), wherein the second cooling circuit (6) comprises at least a high power resistor (9).
Resumen de: US12617537B1
Hybrid propulsion systems that utilize liquid natural gas solid oxide fuel cells in a manner practical for use in aircraft that avoid the use of heavy batteries, provide transient response times suitable for use in aircraft, and/or simplify reactant pre-conditioning systems using a compressor and turbine pair operatively coupled to the solid oxide fuel cell. Such hybrid propulsion systems for an aircraft may include a liquid natural gas solid oxide fuel cell, a motor driven by electric power from the solid oxide fuel cell, a gearbox operatively coupled to the motor, and a turbofan engine configured to generate thrust for the aircraft. The turbofan engine may be configured to provide electric power and shaft power and may include a duct fan that is operatively coupled to the motor via the gearbox, with the duct fan being driven by mechanical power from the gearbox and by the motor.
Resumen de: JP2025174444A
To provide a technique capable of stably generating large electric power.SOLUTION: A fuel cell system comprises a plurality of fuel cells, and a plurality of gas supply pipes connected to the plurality of fuel cells and supplying fuel gases to the plurality of fuel cells. The plurality of gas supply pipes supply the fuel gases to the plurality of fuel cells in parallel. The plurality of fuel cells are electrically connected in parallel.SELECTED DRAWING: Figure 1
Resumen de: CN122266550A
本发明公开了一种车载储氢瓶气氢加注极限条件预测方法,涉及氢能与燃料电池的技术领域,针对现有加注策略安全边界模糊、预测效率低的问题,本方法首先获取储氢瓶的几何与物性参数;接着建立流固耦合数值模型,将氢气区的集总参数模型与固体壁面的一维非定常导热模型相耦合进行批量计算,以构建加注过程数据集;然后基于该数据集,采用并优化XGBoost算法构建预测模型;最后在设定加注温度安全阈值的前提下,通过模型反向预测出加注参数的极限值,并多项式拟合出各极限参数间的量化关系式。本发明兼顾了建模的高保真度与计算效率,能显式给出量化的安全加注边界,有效提高加注速率并降低预冷能耗。
Resumen de: CN122255543A
本发明涉及一种用于电化学装置的、具有改进的机械性能和电阻性能的亲水耐温隔膜及其制备方法。本发明的用于电化学装置的、具有改进的机械性能和电阻性能的亲水耐温隔膜的制备方法包括:工序A:将聚四氟乙烯膜浸没于四氢呋喃溶液中进行预处理;工序B:在惰性气氛下向所述工序A的体系中加入钠萘溶液,使得钠萘溶液的浓度为0.01~0.3mol/L,对聚四氟乙烯膜进行表面改性1~60min;工序C:使所述工序B中的反应体系失活。本发明的制备方法简单高效,适合工业规模生产,并且根据本发明的制备方法得到的用于电化学装置的、具有改进的机械性能和电阻性能的亲水耐温隔膜兼具优异的机械性能、亲水性、热稳定性且低电阻。
Resumen de: CN122260126A
本发明公开了一种锌空气电池水淹风险在线检测系统及检测方法,所述检测系统包括托盘化并行测试载具、多通道阵列探针模组、红外热成像传感单元和边缘计算控制单元;所述检测方法包括以下步骤:S1:通过多通道阵列探针模组向待测锌空气电池施加交流激励,提取双电层电容特征;S2:通过多通道阵列探针模组向待测锌空气电池施加大电流激励,提取表征电解液粘度变化的固相热特征;S3:在所述恒流脉冲激励切断后,提取气相时间常数特征;S4:计算并输出待测锌空气电池的水淹风险评分。本发明通过非破坏性的多源信号采集与分析,能够实现锌空气电池水淹风险的无损检测,降低检测成本并提升检测准确性,适配全量检测需求。
Resumen de: CN122267237A
本发明公开电池加湿系统及蒸汽发生器确认方法及电池加湿方法,电池加湿系统,包括蒸汽流量供应系统、阴极控制回路、阳极控制回路、阳极控温单元、阴极控温单元、燃料电池堆、尾排单元和控制模块;蒸汽流量供应系统被配置为向燃料电池堆供应蒸汽;蒸汽流量供应系统包括蒸汽发生器和至少两条蒸汽控制支路,蒸汽发生器出口连通至少两条蒸汽控制支路,其中一条蒸汽控制支路与阴极控制回路汇合,通过阴极控温单元连接燃料电池堆阴极入口;另一条蒸汽控制支路与阳极控制回路汇合,通过阳极控温单元连接燃料电池堆阳极入口;燃料电池堆出口均连接尾排单元。本发明的有益效果:解决传统控制方法因响应速度和稳定性不足导致的燃料电池堆过干或过湿问题。
Resumen de: CN122255534A
本发明提供了一种全钒液流电池用隔膜及其制备方法,解决目前全钒液流电池隔膜Nafion117膜存在钒离子渗透率高、价格昂贵的问题。本发明首先将聚醚醚酮颗粒完全溶于浓硫酸中,使两者发生反应,生成磺化聚醚醚酮,在这个过程中通过改变反应时间和反应温度来控制磺化聚醚醚酮的磺化度;随后将所得溶液倒入大量冰水混合物的容器中,倾倒时不断搅拌,静置后将所得沉淀洗涤至中性过滤干燥得到磺化聚醚醚酮;再将所得磺化聚醚醚酮溶于DMF溶液中,旋涂成膜、干燥成型剥离后得到隔膜。
Nº publicación: CN122267240A 23/06/2026
Solicitante:
现代自动车株式会社起亚株式会社
Resumen de: CN122267240A
本发明涉及用于控制向燃料电池供应空气的系统和方法。燃料电池系统的装置可以包括:电流‑电压曲线估算电路、下限电流确定电路、空气流量增大控制电路和功耗负载,所述电流‑电压曲线估算电路配置为基于燃料电池系统的燃料电池堆的健康状态(SoH)来估算燃料电池堆的电流‑电压性能曲线;所述下限电流确定电路配置为在供应至燃料电池堆的空气流量减小以将燃料电池堆的电压保持在电压上限控制区域内的情况下,确定燃料电池堆的电流是否小于或等于燃料电池堆的下限电流,其中,基于燃料电池堆的SoH确定所述下限电流。