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REINFORCED ION EXCHANGE MEMBRANES

Resumen de: CN121195365A

The present invention provides a separator for an electrochemical device, comprising: an ion exchange membrane comprising at least one first polymer having an acidic functional group A; and a fabric wherein the fabric comprises fibers, and wherein the surface of the fibers has a basic functional group C, and wherein the fabric supports an ion exchange membrane. The invention also provides a method for manufacturing the separator for the disclosed electrochemical device, a device comprising the separator for the disclosed electrochemical device and the use of the separator for the disclosed electrochemical device in an electrodialysis cell, in a fuel cell, in a PEM electrolysis device or in a redox flow battery.

DEVICE FOR FILTERING AMBIENT AIR

Resumen de: CN121100421A

The invention relates to a device (100) for filtering ambient air, comprising: a reactor (110) which is designed to carry out an electrochemical reaction of a reactant with an oxidizing agent, by means of which at least one liquid (230) can be produced as a product; the filtering system (200) is provided with a first liquid storage device (220); a first connection line (170) is formed between the reactor (110) and the first reservoir (220) through which the generated liquid (230) can flow from the reactor (110) to the first reservoir (220); the filtration system (200) is designed to bring ambient air into contact with the generated liquid (230) in the reservoir (220) so that impurities can be filtered from the ambient air; a second connection line (150) is formed between the filtration system (200) and the reactor (110), through which filtered ambient air of the filtration system (200) can be fed to the reactor (110) as an oxidizing agent for electrochemical reactions.

FUEL CELL DEVICE, METHOD FOR OPERATING A FUEL CELL DEVICE, AND USE OF A NERNST CELL UNIT OF A FUEL CELL SYSTEM

Resumen de: CN121195363A

The invention relates to a fuel cell device (10) having at least one line system (12) for conducting fuel; having at least one reformer (14) connected to the line system (12) for reforming the fuel; and at least one Nernst cell unit (16, 18), in particular a lambda sensor, for detecting a process fluid parameter of a fluid located in the line system (12). According to the invention, the Nernst cell unit (16, 18) is arranged upstream of the reformer (14).

DIAGNOSTIC METHOD AND MEASUREMENT ARRANGEMENT FOR A COMPONENT TO BE EXAMINED

Resumen de: CN121079603A

The invention relates to a method and a measuring device for diagnosing a component to be examined, comprising the following steps: operating the component (10) to be examined in a circuit (11) at a predefined operating point for a predefined first measurement interval (12); during the first measurement interval, a measurement signal and an excitation signal (13) are detected in the circuit as a function of time, the excitation signal being a signal of a passive component (14) in the circuit, which passive component is in a predetermined first excitation state (15) at the beginning of the first measurement interval, and the passive component is in a predetermined second excitation state (15) at the beginning of the first measurement interval. And the measurement signal is formed by superposing an excitation signal of the passive device and a working signal of the component to be inspected.

NICKEL MOLYBDENUM CATALYSTS AND THEIR METHODS OF PREPARATION

Resumen de: CN121443774A

The present invention relates to a method of synthesizing a transition metal catalyst consisting of electrodeposition on a substrate electrode from an electrolyte solution comprising at least one transition metal precursor wherein the electrodeposition is carried out at a deposition current density of 500 to 2000 mA/cm2. The invention also relates to a transition metal catalyst characterized in that it is stable on a base electrode at a current density of at least 400 A/cm2 for at least 30 minutes.

METHOD FOR OPERATING AN ELECTRIC DRIVE SYSTEM OF A MOTOR VEHICLE

Resumen de: WO2024235659A1

The invention relates to a method for operating an electric drive system of a motor vehicle, comprising at least one fuel cell and at least one battery. The invention is characterised in that an operating strategy is determined in real time using a computing unit disposed in the vehicle, wherein the operating strategy is aimed at achieving a constant power specification with low operating points, so that the fuel cell is operated continuously with constant power.

LIQUID COOLING OF CHARGING CABLE IN FUEL-CELL-POWERED EV FAST CHARGER USING STACK COOLANT AND/OR PROCESS WATER

Resumen de: WO2024231107A1

It is the objective of the present invention to provide a fuel cell powered EV fast charger that allows to charge at high current without the risk of overheating the charging infrastructure, such as cables (4), contact (5) and the like. This objective is achieved according to the present invention by a fuel cell powered EV fast charger, comprising: • a) a stack of fuel cells, each fuel cell comprising an anode-side electrical power collector and a cathode-side electrical power collector; • b) a power converting unit that is on its input-side connected to the anode- and cathode-side electrical power collectors and that provide at its output-side a number of power cables (4) for the transfer of fast charging voltages and currents; c) a cooling system that is connected for heat dissipation with the stack of fuel cells, wherein a cooling line of said cooling system is used to cool the power cables (4) and/or the contacts (5) and/or the power-converting unit and/or d) a further cooling system that collects process water generated by the electrochemical reaction in the fuel cells wherein the power cables (4) and/or the contacts (5) and/or the power-converting unit are cooled using this process water.

FLUID ADDITIVES FOR REGENERATIVE FUEL CELLS

Resumen de: EP4712174A1

A regenerative fuel cell has one half-cell which produces gas while charging and consumes the gas during discharge. The electrolyte liquid circulated through that half-cell contains a flexible long chain polymer or a viscoelastic surfactant. The half-cell is configured to compel the flow of electrolyte liquid to make repeated changes in direction and the flow rate is sufficient that elastic turbulence occurs. This dislodges bubbles of produced gas from the electrodes, maintaining more electrode surface available for reaction and enhancing efficiency. The other half-cell may also be in a state of elastic turbulence enhancing mass transport to and from its electrode surface

ELECTROCHEMICAL CELL STACK DISTRIBUTED IN SEPARATE GROUPS AND COMPRISING BIPOLAR PLATES WITH SHORT CIRCUIT FLOW REDUCTION

Resumen de: EP4712175A1

L'invention porte sur un empilement de cellules électrochimiques réparties en N groupes d'alimentation en les fluides réactifs. Chaque plaque bipolaire (1a) comporte N premiers collecteurs (4a, 4b) pour l'alimentation en le même premier fluide réactif, au moins une ligne d'étanchéité interne (5b), N premières lignes de joint (10a, 10b), et un compartiment d'homogénéisation (20). La ligne d'étanchéité interne (5b) est située entre le premier collecteur non-alimentant (4b) et la première ligne de joint (10b) associée. La première tôle (2) s'étend continûment entre les tunnels d'injection aval (14a, 14b) et le compartiment d'homogénéisation (20) en restant espacée de la deuxième tôle (3), de sorte que le premier fluide réactif s'écoule des tunnels d'injection aval (14a) dans le compartiment d'homogénéisation (20) en étant confiné entre les deux tôles (2, 3).

DEVICE AND METHOD FOR WELDING HALF SHEETS TO FORM A BIPOLAR PLATE

Resumen de: CN120957831A

The invention relates to a device (5) and a method for welding half-sheets (2, 3) to form a bipolar plate (1). The device comprises at least three tool parts, namely a lower tool part (6a) and a multi-part upper tool part (6b), in which half-sheets (2, 3) to be welded together can be inserted between the lower tool part (6a) and the multi-part upper tool part (6b). The multi-part upper tool part (6b) comprises a plurality of individual parts (7; the individual parts (7, 8) of the multi-part upper tool part (6a) can be arranged one after the other and only alternately above the lower tool part (6a), and wherein both at least one first opening (9) for introducing a pressurized gas and at least one second opening (10) for introducing a pressurized gas are formed in each of the individual parts (7, 8) of the multi-part upper tool part (6a). The half-sheets (2, 3) can be pressed against each other by means of a pressurized gas, and a second opening (10, 10 ') for introducing joining energy during the welding process for welding the half-sheets (2, 3), the second opening (10, 10') in the individual part (7, 8) of the multi-part upper tool part (6b) as viewed perpendicular to the plane of the half-sheets (2, 3), and the second opening (10, 10 ') being formed in the individual part (7, 8) of the multi-part upper tool part (6b), as viewed perpendicular to the plane of the half-sheets (2, 3). 10 ') are largely complementary to each other and overlap only in some areas, such that only a

CORROSION-RESISTANT SYSTEM, CARBON-FREE POWER GENERATION AND FUEL CELL SYSTEM COMPRISING SAID CORROSION-RESISTANT SYSTEM, AND AMMONIA DECOMPOSITION METHOD

Resumen de: EP4711327A1

A corrosion-resistant system, a carbon-free power generation and fuel cell system comprising the corrosion-resistant system, and a method for ammonia decomposition utilizing said corrosion-resistant system are provided. The corrosion-resistant system includes: an ammonia supply unit; a first pipe connected to the ammonia supply unit; an ammonia decomposition unit comprising a chamber connected to the first pipe; and a second pipe connected to the chamber, wherein the chamber is configured to operate at an operating temperature of 410°C or lower, the first pipe and the chamber comprise at least one selected from the group consisting of carbon steel, low alloy steel, stainless steel and a nickel-based alloy, and the second pipe comprises a nickel-based alloy (NT) satisfying Equation 1 below. T≤15μm

AMMONIA SUPPLY SYSTEM, HYDROGEN PRODUCTION SYSTEM, CARBON-FREE POWER GENERATION SYSTEM, AND FUEL CELL SYSTEM UTILIZING SAID AMMONIA SUPPLY SYSTEM

Resumen de: EP4711328A1

Disclosed are an ammonia supply system, a hydrogen production system, a carbon-free power generation system and a fuel cell system. The ammonia supply system includes: an ammonia supply unit; an ammonia demand unit; a connection line that is arranged to connect the ammonia supply unit and the ammonia demand unit; a hydrogen supply unit; and one or more first hydrogen supply lines that are arranged to connect the hydrogen supply unit and the connection line, and are configured to supply a hydrogen gas stream, wherein the connection line includes a first pipe configured to be controlled to an average temperature of 410°C or lower and a second pipe configured to be controlled to an average temperature of greater than 410°C, and the second pipe includes a nickel-based alloy (NT) satisfying Equation 1 below. T≤15μm,

OPERATION MANAGEMENT DEVICE

Resumen de: EP4712293A1

Problem To provide an operation management device capable of ensuring the convenience of a power generation system by causing the power generation system to perform an operation suitable for a request to the power generation system in a predetermined case.Solution An operation management device manages an operation of a power generation system comprising an engine power generator and a fuel cell power generator, and the operation management device comprises a processing portion that operates one of the engine power generator and the fuel cell power generator when a required output of the power generation system is equal to or less than a first predetermined value.

ELECTROCHEMICAL DEVICE, IN PARTICULAR ELECTROLYSIS DEVICE

Resumen de: WO2024230958A1

An electrochemical device (10'), with a cell stack consisting of a plurality of cell stack elements, with a force application unit (13) which exerts a force on the cell stack in order to press the cell stack elements of the cell stack fluid-tightly in sealing regions (17) of the cell stack, wherein the force application unit (13) is designed in such a manner that the force for pressing the cell stack acts on the cell stack and therefore on the sealing regions (17) of the cell stack depending on the operating state of the electrochemical device (10').

MANAGING A FUEL CELL SYSTEM IN A FUEL CELL VEHICLE

Resumen de: WO2024235430A1

A system and method for controlling operation of a fuel cell system of a fuel cell vehicle are provided. The fuel cell system comprises a fuel cell stack comprising an anode side and a cathode side, and a hydrogen storage device for storing hydrogen supplied to the anode side of the fuel cell stack. The method comprises estimating a duration of a stopover of the vehicle when a request to shut down the fuel cell system is received, estimating a hydrogen protection time at least due to a first hydrogen refill comprising supplying the hydrogen to the anode side of the fuel cell stack from the hydrogen storage device, and determining, based at least on the estimated duration of the stopover and the hydrogen protection time, whether to enable or disable one or both the first hydrogen refill operation and at least one subsequent hydrogen refill operation.

SOLID OXIDE OXIDATION UNIT AND PRESSURE-RESISTANT FUEL CELL

Resumen de: EP4712176A1

The present invention relates to a oxide oxidation unit (600) for converting at least one reductant to thermal energy under the production of exhausts (G) and further exhausts (H) from a first supply flow (24) comprising an oxidant and a second supply flow (26) comprising the reductant, respectively; the solid oxide oxidation unit (600) comprising a duct wall (14) configured for separating the first supply flow (24) from the second supply flow and at least sectionwise comprising an electrolyte layer allowing for a transfer of ions of the oxidant to the reductant; wherein the duct wall (14) comprises an electrically conducting material (113) allowing for a transfer of electrons from the reductant to the oxidant for enabling a full oxidation of the reductant contained in the second supply flow (26). Furthermore, the present invention relates to a fuel cell arrangement (200) comprising at least one solid oxide oxidation unit (600) and at least one fuel cell setup (100) comprising a carrier structure (10) comprising a duct wall; wherein a primary power coating layer (28) is applied on a surface of the duct wall for being arranged between the first supply flow and the second supply flow; and wherein the primary power coating layer (28) is configured for generating electrical energy from the first supply flow and the second supply flow; to an energy supply system (300), comprising at least one solid oxide oxidation unit (600) and/or at least one fuel cell arrangement (200), and to

HYDROGEN CATALYST FOR VEHICLE COOLING

Resumen de: EP4711326A1

A hydrogen catalyst for vehicle cooling is described. A system may include a catalyst positioned in a flow path coupling a hydrogen storage tank to a hydrogen consumer, the catalyst configured to convert hydrogen fuel from a para state to an ortho state via an endothermic reaction. The system may further include a coolant circuit configured to circulate coolant through the hydrogen consumer and a coolant-fed heat exchanger configured to thermally couple the coolant in the coolant circuit to the hydrogen fuel, the coolant-fed heat exchanger arranged upstream of the hydrogen consumer in the flow path.

ELECTROCHEMICAL CELL STACK AND ELECTROCHEMICAL DEVICE

Resumen de: EP4711503A2

An electrochemical cell stack includes: a stack including electrochemical cells; a first clamping plate provided in contact with the stack; and a heat conduction member provided in contact with the first clamping plate. The heat conduction member is lower in heat conductivity than the first clamping plate under an operating temperature range of the electrochemical cell stack.

Pump

Resumen de: GB2644122A

A bearing housing (93, Fig.7) for a hydrogen recirculation pump 1, comprising, a body (99, Fig.7) configured to receive one or more bearings (95, Fig.7), the one or more bearings being configured to support rotation of an impeller (29, Fig.7) about a longitudinal axis and a connecting flange (107, Fig.7) configured to engage the impeller , the connecting flange extending around and radially outward of the body; and wherein the connecting flange is offset along the longitudinal axis, from an axial midpoint of the body. Also disclosed are a hydrogen recirculation pump 1 and a modular form thereof, coupling members (49 , Fig.7), an impeller, a pump cover 3 and an adaptor 7.

一种燃料电池的电池堆及其压装方法

Resumen de: CN121688035A

本发明提供了一种燃料电池的电池堆及其压装方法。该方法包括：获取待压装电池堆的关键设计参数，其中，所述关键设计参数包括双极板材质、双极板面积、密封圈材质和单电池数量；基于所述关键设计参数，通过预定义的压装力估算模型确定所述待压装电池的推荐压装力；根据所述推荐压装力对所述待压装电池堆进行压装。该方法因为引入了双极板材质、双极板面积、密封圈材质和单电池数量作为建模依据，并通过预定义的压装力估算模型自动输出推荐压装力，解决了传统依赖人工经验导致压装力设定不一致、产品良率波动大的问题。

用于燃料电池的隔膜以及燃料电池

Resumen de: CN121687999A

本发明涉及用于燃料电池的隔膜以及燃料电池。燃料电池所使用的隔膜具备：燃料气体的供给用歧管孔；上述燃料气体的排出用歧管孔；使上述燃料气体相对于上述燃料电池的发电部流通的燃料气体流路系统，燃料气体流路系统具备：第一流路部，其将上述燃料气体从上述供给用歧管孔朝向上述发电部引导；第二流路部，其与上述发电部对置，并向上述发电部供给上述燃料气体；以及第三流路部，其将上述燃料气体从上述发电部朝向上述排出用歧管孔引导。上述第三流路部具备低亲水性流路，该低亲水性流路配置于上述排出用歧管孔的附近，且具有低亲水性表面。

燃料电池余热回收系统的控制方法及余热回收系统

Resumen de: CN121688009A

本发明涉及燃料电池技术领域，具体提供一种燃料电池余热回收系统的控制方法及余热回收系统。具体地，本发明的燃料电池余热回收系统包括燃料电池、换热器、蓄热水箱以及换热水循环管，换热器与燃料电池的尾气排放口、冷却液出口和冷却液进口连通，换热水循环管将蓄热水箱与换热器连通，以使蓄热水箱能够吸收尾气和冷却液的热量，控制方法包括：获取蓄热水箱的目标加热温度；获取第一加热温度；根据目标加热温度和第一加热温度，选择性地使蓄热水箱吸收尾气的热量。蓄热水箱能够对冷却液和尾气的热量进行回收，回收利用率高，减少了热量的浪费，通过蓄热水箱的水温情况来进行判断是否需要对尾气的热量进行回收，有利于保证燃料电池温度的稳定性。

一种膜电极及其制备与应用

Resumen de: CN121688028A

本发明涉及聚合物电解质膜燃料电池膜电极，具体地说是一种膜电极及其制备和应用。步骤一、将两块气体扩散层固定在加热台上预热；步骤二、在一块气体扩散层一侧表面上喷涂阴极催化剂，在另一块气体扩散层一侧表面上喷涂阳极催化剂；阴极催化剂和阳极催化剂喷涂完成后立即喷涂使用有机溶剂溶解的有机亲水物质；步骤三、将制备好的阴极气体扩散电极、阳极气体扩散电极以及阴离子交换膜浸泡在碱液中，室温‑80℃的处理1.5‑48h，冷却至室温，洗涤，叠放热压，制成膜电极。本发明将亲水材料涂覆于催化层和碱性聚合物电解质膜或气体扩散电极和碱性聚合物电解质膜之间，缓解在制备膜电极测试过程中膜过度失水造成欧姆阻抗增加，电池性能下降。

一种基于工况自适应的车载氢燃料电池供氢系统控制方法

Resumen de: CN121688012A

本发明涉及新能源汽车技术领域，公开了一种基于工况自适应的车载氢燃料电池供氢系统控制方法，包括以下步骤：步骤1：获取高压气瓶的压力值P1，若该压力值P1≤Pth1，则采用直接供氢模式输送至燃料电池；步骤2：若P1＞Pth1，同时检测高压气瓶的压力变化序列P(t)，获取压力在t时刻的相对变化率，若超过变化阈值则进入氢气循环增压模式；步骤3：获取储气瓶内压力值Ptank，若该压力值Ptank＞Pth2，且单位时间内储氢量增量≤k3，则进入氢气循环利用模式；本发明方法实现了对车载氢气的精准、高效、稳定，提升燃料电池系统的工作效率、动态响应能力。

一种直接甲醇燃料电池电堆功率恢复方法

Nº publicación: CN121688026A 17/03/2026

Solicitante:

苏州奥加华新能源有限公司

Resumen de: CN121688026A

本发明涉及一种直接甲醇燃料电池电堆功率恢复方法，包括以下步骤：S1：配制浓度1.5~2.5M的硝酸清洗液；S2：酸性清洗循环；S3：去离子水冲洗与终点判断。本发明解决了现有技术中清洗效果不稳定、膜易损伤、终点判断模糊等核心痛点，为燃料电池的长期稳定运行提供了可靠的技术保障。