Herramientas

车辆级空气旁通阀泄漏检测方法、装置、设备和存储介质

Resumen de: CN120709426A

本申请涉及一种车辆级空气旁通阀泄漏检测方法、装置、设备和存储介质。该方法包括：断开除空气旁通管路以外的连接至尾排的空气管路，阻止干扰气流进入尾排；断开电堆的出气管，并保持电堆的出气管处于开放排空状态；在尾排处安装已标定好的第一空气流量计；保持燃料电池系统关机，越权控制空气旁通阀关闭，越权控制第一空气截止阀打开至预设开度，并越权控制空压机运行至预设转速；读取第一空气流量计上的稳定气体流量值，该气体流量值即为空气旁通阀的泄漏量。本申请无需从车辆上拆卸阀门进行单独的泄漏排查，因而能够极大地降低泄漏排查成本，避免维修成本的浪费，提高客户的用车体验。

一种甲烷裂解制氢耦合固体氧化物燃料电池的发电系统

Resumen de: CN120709432A

本发明涉及一种甲烷裂解制氢耦合固体氧化物燃料电池的发电系统，其特征在于，包括固体氧化物燃料电池发电模块、甲烷裂解制氢模块、补燃模块、空气预热模块；甲烷气体经过所述甲烷裂解制氢模块制得氢气，制得的氢气经过三通阀分别送入固体氧化物燃料电池发电模块和补燃模块参与反应，所述空气预热模块将空气预热后送入固体氧化物燃料电池发电模块参与反应，所述补燃模块将氢气与空气反应后产生的高温气体送入甲烷裂解制氢模块用于给甲烷裂解制氢模块提供热量。本发明通过将甲烷直接裂解制氢工艺与固体氧化物燃料电池发电系统结合，用于克服甲烷制氢耦合固体氧化物燃料电池发电系统工艺流程繁琐，系统复杂，碳排放较高、耗水量大等问题。

一种基于多尺度孔包覆结构电极及其制备方法与应用

Resumen de: CN120709404A

本发明属于液流电池技术领域，公开了一种基于多尺度孔包覆结构电极及其制备方法与应用，该电极通过将具有不同长径比的碳纳米管分散液制备成催化浆料，并均匀涂覆在电极两侧。该设计充分发挥了不同长径比碳纳米管的独特优势，形成了连续、均匀的导电通道，从而显著提升了电极的导电性能和催化活性。此外，在分散液共混和涂覆过程中，不同长径比碳纳米管之间发生堆叠和搭接，产生了多尺度的孔道结构：微米级的大孔道为电解质的高速流动提供了宏观通道，而纳米级孔隙则为电化学反应提供了更多的活性位点。将该多尺度孔包覆结构电极应用于全钒液流电池时，显著提升了电池的充放电性能及循环稳定性。

钛合金双极板表面微观缺陷的预处理方法、系统及双极板

Resumen de: CN120709388A

本发明实施例提供一种钛合金双极板表面微观缺陷的预处理方法、系统及双极板，通过超声除油清洗，将厚度0.1mm～0.15mm的轧制成形钛合金双极板依次置于工业脱脂剂中超声清洗10min～30min，再于蒸馏水中超声漂洗10min～30min；超声振动辅助电化学复合抛光，将经上述处理的钛合金双极板作为阳极，石墨板或钛板作为阴极，浸入含H2SO4和HF的电化学抛光液中，施加频率20kHz～40kHz的超声振动，在阴阳极间距30mm～50mm、电压30V～60V、抛光液温度10℃～25℃条件下处理5s～60s；将抛光后双极板经蒸馏水超声漂洗10min～30min后，于60℃～100℃真空干燥30min～60min。本发明技术方案，能够实现钛金属双极板表面的微观缺陷快速消除或弱化，得到表面更平整、微观缺陷更少的钛合金双极板表面，提高后续高耐蚀导电功能涂层的综合性能。

用于燃料电池的引射器、控制方法及燃料电池

Resumen de: CN120709414A

本申请公开了一种用于燃料电池的引射器、控制方法及燃料电池，所述引射器包括，第一壳体、第一流道、第二壳体及回流阀，第一壳体内形成有第一腔体以及与第一腔体连通的敞开口，第一壳体上设置有与第一腔体连通设置有氢气出口，第一壳体上设置有回流通道，回流通道的出口连通至第一腔体，第一流道收容于第一腔体内，第一流道的一端与氢气出口连通，第一流道另一端延伸至敞开口且设置与敞开口敞开方向相同的流道出口，第二壳体内形成有第二流道，第二流道的进口分别与敞开口和流道出口连通，回流阀设置于回流通道且回流阀的开度可调以控制回流气体的流量，可以提高引射器的兼容性，以适配不同功率的燃料电池发动机。

一种高能燃料电池的封装检测方法及装置

Resumen de: CN120709423A

本发明公开了一种高能燃料电池的封装检测方法及装置，高能燃料电池包括罐体、设置在罐体内部的螺旋电极管和透气缸以及罐体底部的陶瓷柱，方法包括：获取并核对高能燃料电池的质检信息；根据高能燃料电池的质检信息，提取高能燃料电池的待检测图像；结合待检测图像，分析螺旋电极管和透气缸的位置关系、陶瓷柱的数量，给出第一检测结果；根据第一检测结果，优化螺旋电极管的位置，控制高能燃料电池的封装，并给出封装检测数据；结合预先构建的燃料电池三维模型，分析封装检测数据，给出封装检测结果，完成对高能燃料电池的封装检测。通过对燃料电池封装前后的质量进行监测分析，保证了燃料电池的使用可靠性和稳定性。

一种全钒液流电池正极电解液及其应用

Resumen de: CN120709438A

本发明公开了一种全钒液流电池正极电解液及其应用，全钒液流电池正极电解液中含有复合添加剂；所述复合添加剂由磷酸钠和/或十六烷基三甲基溴化铵组成；其中，在所述全钒液流电池正极电解液中，磷酸钠的浓度为0～0.05mol/L，十六烷基三甲基溴化铵的浓度为0～0.5mmol/L。

钨基纳米颗粒材料及制备方法和应用

Resumen de: CN120698505A

本发明涉及微生物燃料电池领域，具体涉及一种钨基纳米颗粒材料及制备方法和在制备微生物燃料电池阳极中的应用。制备方法为以Na2WO4·2H2O和C2H2O4·H2O为原料，在硫脲存在下于酸性环境中进行水热反应，反应后干燥即获得钨基纳米颗粒材料。所得纳米花或纳米棒状结构的钨基纳米颗粒材料。钨基纳米材修饰的碳纸复合电极作为阳极的MFCs电池电压达到0.556V(R＝1000Ω)，平均最大功率密度高达2.32W·m‑2，因此钨基纳米材修饰的碳纸复合电极作为阳极所组装的器件具有优异的功率输出，为MFC的商业化应用提供了可能性，应用前景好。

PREPARATION METHOD FOR CATALYST LAYER SLURRY, CATALYST LAYER, MEMBRANE ELECTRODE, AND FUEL CELL

Resumen de: WO2025194618A1

A preparation method for a catalyst layer slurry, a catalyst layer, a membrane electrode, and a fuel cell. The preparation method for the catalyst layer slurry comprises: wetting solid catalyst particles, and then mixing the solid catalyst particles with a solvent, to obtain a first mixed solution; adding a perfluorosulfonic acid resin solution into the first mixed solution, to obtain a second mixed solution; adding a dispersing agent into the second mixed solution, and dispersing, to obtain a catalyst layer slurry, the dispersing agent being a dispersing agent having steric hindrance, and able to form a Van der Waals force with the perfluorosulfonic acid resin. Adding a dispersant having steric hindrance during a catalyst layer slurry preparation process can prevent entanglement of Nafion, causing the catalyst particles to be uniformly wrapped by Nafion, thereby obtaining catalyst particles having a good dispersion effect and high dispersion efficiency, and effectively solving the problems of uneven catalyst particle size, reduced active sites, an unreasonable catalyst layer structure, decreased electrochemical performance of a membrane electrode, and low slurry dispersion process efficiency due to catalyst particle agglomeration.

PACKAGING ASSEMBLY, FUEL CELL MODULE, ASSEMBLING STRUCTURE COMPRISING PACKAGING ASSEMBLY, AND ASSEMBLING METHOD FOR FUEL CELL MODULE

Resumen de: WO2025194617A1

A packaging assembly, a fuel cell module, an assembling structure comprising the packaging assembly, and an assembling method for the fuel cell module. The packaging assembly comprises a case and a plurality of insulating supporting members arranged in the case; the plurality of insulating supporting members are distributed at intervals and arranged between the case and a fuel cell stack of a fuel cell module, the plurality of insulating supporting members are at least distributed on side surfaces of the fuel cell stack and can support the side surfaces of the fuel cell stack and resist inter-layer sliding of the fuel cell stack, and the plurality of insulating supporting members achieve full coating of the fuel cell stack in all directions, thereby achieving the full-coating anti-sliding effect of a stack core, so that the middle collapse of the fuel cell stack can be prevented, thus improving the consistency of the high-power fuel cell stack during use. The insulating supporting members located on two adjacent side surfaces of the fuel cell stack are provided with through grooves running through in the stacking direction of the fuel cell stack, the openings of the through grooves face the fuel cell stack, the through grooves can be used for installing and fixing positioning rods used during assembling of the fuel cell stack, and the positioning rods can improve the assembling precision of the fuel cell stack, thus improving the consistency of high-power fuel cell stacks dur

FUEL CELL MODULE AND VEHICLE

Resumen de: WO2025194616A1

A fuel cell module and a vehicle. In the fuel cell module, an insulating support assembly is provided between a housing and a fuel cell stack; the insulating support assembly is in contact with all parts of the fuel cell stack, and can provide support for side surfaces of the fuel cell stack, resisting interlayer slippage in the fuel cell stack. The insulating support assembly comprises a plurality of insulating support members distributed spaced apart from each other, the insulating support members being components independent of the housing and the fuel cell stack; compared with the anti-sagging structure in which the housing directly abuts against the fuel cell stack, the plurality of independent insulating support members facilitate easier installation, and the assembly difficulty of the fuel cell stack is low. The plurality of insulating support members are at least distributed at each corner of the fuel cell stack, and the insulating support members distributed at each corner of the fuel cell stack are simultaneously in contact with two adjacent side surfaces of the fuel cell stack, such that the plurality of insulating support members fully enclose the fuel cell stack from all directions, thereby achieving an anti-slippage effect through full enclosure of a battery core. As the housing is usually made of metal material and cannot be directly used to support the battery core, the insulating support assembly is used to enable the housing to support the battery core, whil

FASTENING ASSEMBLY, FUEL CELL MODULE AND VEHICLE

Resumen de: WO2025194613A1

A fastening assembly, a fuel cell module and a vehicle. The fastening assembly comprises a housing and two or more cross beams arranged in the housing, wherein the two or more cross beams are located at one end of the housing, and two ends of each of the two or more cross beams are both limited by means of the housing, such that the housing applies a fastening force in a stacking direction onto a fuel cell stack by means of the cross beams, thereby achieving enclosure packaging. A press-fitting force of a pressing machine is transferred by means of several cross beams arranged at one end of the stack, and the several cross beams that are distributed at intervals form a limiting surface to jointly apply the fastening force to the stack, thus ensuring uniform stress distribution across the stack. Since the cross beams are distributed at intervals, gaps between the cross beams can be configured to allow a pressing head of the pressing machine to pass through same, without affecting a press-fitting operation of the pressing machine.

Anode Side Integrated Flow Channel Module and Anode Subsystem for Dual-Stack Fuel Cell System

Resumen de: US2025300201A1

An integrated flow channel module of an anode subsystem for a dual-stack fuel cell system includes (i) a first side surface configured to be sealed and connected to an end cover of a stack, (ii) multiple groups of channels recessed from the first side surface along the thickness direction of the integrated flow channel module, the multiple groups of channels being configured to be fluidically connected to a first and second ejector of the anode subsystem and a water separation recycling pump to form a first flow path for recycling the fuel discharged from anode outlets of a first and second stack back to anode inlets of the first and second stacks, and (iii) a group of distribution channels formed inside the integrated flow channel module, the group of distribution channels being configured to fluidically connect a fuel source of the anode subsystem to the first and second ejectors to form a second flow path for distributing the fuel from the fuel source between the first and second ejectors. An anode subsystem for a dual-stack fuel cell system including the integrated flow channel module is also disclosed.

CARBON DIOXIDE PROCESS APPARATUS, CARBON DIOXIDE PROCESS METHOD, AND MANUFACTURING METHOD OF CARBON COMPOUND

Resumen de: US2025296047A1

A carbon dioxide process apparatus includes: a recovery device that includes a carbon dioxide absorption portion which dissolves carbon dioxide in an electrolytic solution of a strong alkali and absorbs the carbon dioxide; an electrochemical reaction device to which the electrolytic solution in which the carbon dioxide is dissolved by the carbon dioxide absorption portion is supplied and which electrochemically reduces the carbon dioxide; an anion exchange type fuel cell that supplies electric energy to the electrochemical reaction device; a carbon dioxide concentration gas supply passage that supplies a carbon dioxide concentration gas generated by the fuel cell to the electrolytic solution which is discharged from the recovery device and before being supplied to the electrochemical reaction device; and a hydrogen supply passage that supplies hydrogen generated by the electrochemical reaction device to the fuel cell.

SEPARATOR FOR FUEL CELL AND SINGLE CELL FOR FUEL CELL

Resumen de: US2025300196A1

A separator is configured to be stacked on a power generating unit and a frame, which is made of a plastic and surrounds a peripheral portion of the power generating unit, thereby forming a single cell of a fuel cell. The separator includes a through-hole configured to allow a reactant gas to flow in a thickness direction of the separator, a gas passage configured to allow the reactant gas to flow in a planar direction of the separator, and a rib that is configured to support the frame and surrounds the through-hole over an entire circumference. At least one groove-shaped connecting passage is formed in a top surface of the rib to connect the through-hole and the gas passage to each other. The depth of the connecting passage is less than the thickness of the rib.

INTER-CONNECTOR AND ELECTROCHEMICAL CELL

Resumen de: US2025300194A1

The present inter-connector includes a body and a plurality of oxide layers. The body includes a first principal surface, a second principal surface, and a plurality of protrusions. The second principal surface faces an opposite side from the first principal surface. The protrusions are provided on the first principal surface. Each of the plurality of oxide layers is disposed on a lateral surface of each of the plurality of protrusions. At least one of the plurality of oxide layers has a thickness distributed to induce the inter-connector to be warped to bulge at the body toward the second principal surface.

METHOD FOR REMAINING BELOW A LOWER HYDROGEN EXPLOSION LIMIT IN AN EXHAUST OF A FUEL CELL UNIT

Resumen de: US2025300208A1

The invention relates to a method for preventing an automatically continued ignition of hydrogen in an exhaust (150) of a fuel cell unit, in particular of a fuel cell vehicle, when the fuel cell unit is started, characterized in that, when at least one start condition of the fuel cell unit is met, reactive hydrogen is removed from a cathode- side and/or exhaust-side gas of the fuel cell unit until, when the fuel cell unit is started, an actual level of a hydrogen concentration in the exhaust (150) is below the lower hydrogen explosion limit, and the method is preferably carried out only when an initial level of the hydrogen concentration of the cathode-side and/or exhaust-side gas in the fuel cell unit is above the lower hydrogen explosion limit for the exhaust (150).

SEPARATOR OF FUEL CELL

Resumen de: US2025300195A1

The separator includes a plurality of grooves for evacuating from the gas diffusion layer in the fuel cell to form a plurality of gas flow paths, a plurality of ribs for separating a plurality of gas flow paths in contact with the gas diffusion layer, and at least one first groove for evacuating from the gas diffusion layer and communicating only with the first flow path and extending toward the second flow paths on a contact surface in contact with the gas diffusion layer of at least one rib for separating the adjacent first and second flow paths of the plurality of gas flow paths.

STARTUP CONTROL METHOD OF FUEL CELL SYSTEM

Resumen de: US2025300202A1

A startup control method of a fuel cell system includes initiating hydrogen supply to an anode, determining whether an opening degree of an air control valve (ACV having received a cut-off command, is less than or equal to a designated reference opening degree, driving an air compressor to supply bypass air, if the opening degree of the ACV is less than or equal to the reference opening degree, determining whether execution of startup cathode oxidation depletion (COD) is necessary, and if so, initiating the execution of the startup COD, and determining, depending on an integral value Q of current supplied from a fuel cell stack to a resistive electrical load, and an operating point in a current-voltage plane of a COD circuit, whether designated basic COD control, control focused on protection of the fuel cell system, or control focused on quick startup is necessary.

REGENERATIVE FUEL CELL SYSTEM

Resumen de: US2025300205A1

When executing a depressurizing process of a hydrogen compression device and a water electrolysis device, on-off valves that supply a hydrogen gas or an oxygen gas to a fuel cell are placed in an opened state, and further, a set pressure of supply pressure reducing valves are adjusted to a value that is lower than a set pressure of bypass pressure reducing valves. Gas remaining in gas depressurizing regions is supplied, via the bypass pressure reducing valves, to the fuel cell.

FUEL CELL SYSTEM

Resumen de: US2025300207A1

A fuel cell system includes: a fuel cell stack constituted by stacking a plurality of power generation cells; an injector configured to inject fuel gas to be supplied to the fuel cell stack; a pressure sensor configured to detect a pressure of the fuel gas to be supplied to the fuel cell stack; and a control unit configured to set an injection cycle of the injector and to control the injector to inject the fuel gas in the injection cycle. The control unit controls the injector to inject the fuel gas earlier than lapse of the injection cycle when a pressure difference between the pressure detected by the pressure sensor and a target pressure becomes equal to or larger than a predetermined value.

BIPOLAR PLATE ELEMENT HAVING A FLOW-DISRUPTION STRUCTURE

Resumen de: WO2025195804A1

The invention relates to a plate element, in particular a bipolar plate element, for an electrochemical system, which can be a fuel cell system, for example, the plate element comprising the following: an operating-fluid distribution structure on a first of the two main surfaces of the plate element, the operating-fluid distribution structure having at least one operating-fluid distribution channel; and a flow-disruption structure on the first main surface of the plate element between the operating-fluid distribution structure and an edge of the plate element.

PROCESS FOR REMOVAL OF NH3 FROM A GAS STREAM

Resumen de: WO2025195922A1

The present invention relates to a method of producing a fuel gas composition. The method comprises providing a feed gas composition comprising H2 and NH3, monitoring the concentration of NH3 in the feed gas composition; providing an oxidising gas comprising NO and at least one of: O2, NO2, and NO2 + O2; mixing the feed gas composition with the oxidising gas to provide a catalysis gas composition; providing a NOx reducing reactor having a catalysis gas inlet and a fuel outlet, and a selective reduction catalyst between the catalysis gas inlet and the fuel outlet; applying the catalysis gas composition to the catalysis gas inlet and passing the catalysis gas composition through the selective reduction catalyst; obtaining the fuel gas composition at the fuel outlet. The method can remove NH3 to improve an H2-based fuel.

BIPOLAR PLATE FOR METAL-AIR/LIQUID BATTERIES

Resumen de: WO2025198740A1

A bipolar plate for a battery includes a metal sheet that has a first side and a second, opposite side. The metal sheet is folded so as to form a series of loops on the second side. The loops are spaced apart to define flow field passages therebetween on the second side. Each of the loops is bonded along an edge at the first side so as to enclose an internal passage.

METHOD FOR OPERATING A MULTI-STACK SYSTEM, AND CONTROL DEVICE

Nº publicación: WO2025195643A1 25/09/2025

Solicitante:

ROBERT BOSCH GMBH [DE]
ROBERT BOSCH GMBH

Resumen de: WO2025195643A1

The invention relates to a method for operating a multi-stack system (9) comprising a plurality of stacks (4.1, 4.2) and a cooling system (1) for dissipating the waste heat of the stacks (4.1, 4.2), wherein, in the event of a start, in particular in the event of a cold start and/or a frozen start, an electrical power (P) that is required at a defined time (ttarget) and that exceeds the maximum electrical power (Pmax) of an individual stack (4.1, 4.2) is provided by a plurality of stacks (4.1, 4.2) by virtue of the stacks (4.1, 4.2) being thermally coupled via the cooling system (1) and the waste heat of an already heated first stack (4.1) being used to heat at least one further stack (4.2), and wherein the following steps are carried out in order to ensure an electrical power (PStack2) of the at least one further stack (4.2) at the time (ttarget): a) determining a minimum temperature (Tmin) required by the at least one further stack (4.2) in order to provide an electrical power (PStack2), b) determining a heating rate (dPStack2/dt) required by the at least one further stack (4.2) in order to reach the minimum temperature (Tmin) at the time (ttarget), and c) adapting at least one operating parameter of the cooling system (1) in order to ensure the required heating rate. The invention also relates to a control device for a multi-stack system (9) for carrying out steps of a method according to the invention.