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一种铝铈氧化物固溶体和质子陶瓷燃料电池及其制备方法

Resumen de: CN120518395A

本发明公开了一种铝铈氧化物固溶体和质子陶瓷燃料电池及其制备方法，涉及氧化物固溶体及陶瓷燃料电池技术。其中，一种铝铈氧化物固溶体的制备方法，将铝盐和铈盐溶于水制取均匀混合溶液；将络合剂溶液逐滴加入所述混合溶液，直至所述混合溶液变为均匀胶体；对所述胶体持续加热、搅拌后干燥，再经过焙烧得到铝铈氧化物固溶体。本制备方法中的铝铈氧化物固溶体晶体纯度高、无杂相，其氧空位浓度高于传统掺杂氧化铈、氧化锆等氧化物电解质材料，适用于作为质子陶瓷燃料电池电解质，基于Al3+与Ce4+相间相互扩散的传导机制，能增强质子陶瓷燃料电池中的离子与质子传导并降低离子传输活化能，从而显著提高该电池的中低温电化学性能。

用于运行空气系统的方法、控制器

Resumen de: WO2024132384A1

The invention relates to a method for operating an air system (1) for supplying a fuel cell stack (2) with air, comprising a multiple-stage air conveying and air compressing system (3) which has a compression stage (3.1) with a compressor (4), driven by electric motor, and a compression stage (3.2) with a compressor (4), driven by means of a turbine (5), wherein the compressors (4) of the two compression stages (3.1, 3.2) each have a rotor which is mounted via gas bearings. According to the invention, in order to stop the turbine-driven compressor (4) in a manner which protects the gas bearings, the air system (1) is transferred from an arbitrary operating point into an operating point which makes a reduction of the rotational speed of the turbine-driven compressor (4) possible, and subsequently a) the compressor (4) which is driven by electric motor is switched off, and a bypass valve (6) in a turbine bypass (7) is closed or is held closed until the rotor of the compressor (4) which is driven by means of the turbine (5) has come to a standstill, or b) the compressor (4) which is driven by electric motor is operated further, preferably at a decreased rotational speed, and the bypass valve (6) in the turbine bypass (7) is opened transiently, with the result that the drive torque at the turbine (5) is decreased transiently by way of a decrease of the mass flow through the turbine (5) and by way of a decrease in the pressure (p) upstream of the turbine (5). The invention relates

高负载下锂金属固态电池组的快速循环

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.

燃料电池供氢方法、系统、装置及车辆

Resumen de: CN120527409A

本公开涉及一种燃料电池供氢方法、系统、装置及车辆，涉及燃料电池领域，该方法应用于燃料电池供氢系统，该方法包括：在车辆处于燃料电池供氢模式时，获取该燃料电池供氢系统的目标功率；实时获取该燃料电池供氢系统中多个储氢瓶的液位值，得到多个液位值；根据该多个储氢瓶的液位值确定该燃料电池供氢系统的供氢储氢瓶；通过该目标功率和该供氢储氢瓶对该车辆进行供氢。通过各供氢瓶的液位值确定供氢储氢瓶，可以维持多个储氢瓶的液位平衡，从而保证燃料电池的大功率运行。

一种双阳离子型阴离子交换膜的制备方法

Resumen de: CN120527421A

本发明涉及碱性膜燃料电池技术领域，公开了一种双阳离子型阴离子交换膜的制备方法，以下步骤：S1、将苯乙烯‑乙烯‑丁二烯共聚物以10‑100g/L的浓度溶解于三氯甲烷中，在200‑500rpm/mi n的转速下搅拌10‑60mi n至完全溶解；S2、向上述溶液中缓慢加入氯甲基化试剂，所述氯甲基化试剂为1,4‑二(氯甲氧基)‑丁烷与无水四氯化锡的混合物，1,4‑二(氯甲氧基)‑丁烷与无水四氯化锡的摩尔比为1:0.1‑1:1，反应温度为40‑70℃，反应时间为2‑5h，反应后将反应液倒入甲醇中进行洗涤。本发明显著提高了阴离子交换膜内的离子交换容量，进而降低了传质电阻，有效提升了阴离子交换膜的电化学性能，使得膜在碱性膜燃料电池中能够实现更高的能量转化效率。

一种全铈液流电池的电解液制备方法及其应用

Resumen de: CN120527423A

一种全铈液流电池的电解液制备方法及其应用，属于液流电池领域。负极电解液包含四价铈盐、螯合剂、支持电解质、无氧去离子水；正极电解液包含三价铈盐、促溶剂、无氧去离子水；所述螯合剂为柠檬酸、苹果酸、酒石酸、葡萄糖酸、琥珀酸等羧酸类物质中的一种或几种。负极由四价铈盐加入羧酸类螯合剂制及支持电解质制得。所得电解液减少了其他活性元素杂质的引入，且羧酸类螯合剂的加入提高了铈盐的溶解度，并调节负极铈盐的氧化还原电位至更负，提高了其与三价铈盐组成的液流电池的电压，增加了全铈液流电池在新能源汽车、光伏储能、风力储能等方面的适用领域。

一种燃料电池氢气供应系统

Resumen de: CN120527410A

本申请公开了氢燃料电池技术领域的一种燃料电池氢气供应系统，包括燃料电池堆、储氢瓶、第一缓冲罐和第二缓冲罐；储氢瓶存储燃料电池堆运行所需的压缩氢气，储氢瓶通过管路与燃料电池堆连通，储氢瓶与燃料电池堆之间的管路上依次设有减压阀、第一电磁阀、单向阀、第一比例电磁阀和第一压力传感器；第一缓冲罐与燃料电池堆连通，在燃料电池堆与第一缓冲罐之间的管路上设有气水分离器和第二电磁阀，第一缓冲罐通过管路连接有第三电磁阀，第三电磁阀用于排放第一缓冲罐内的气体；第二缓冲罐并联在储氢瓶与燃料电池堆的管路上，第二缓冲罐用于储存吹扫过程中排向燃料电池堆的气体。本方案解决了阳极缺气或阴阳极压差过大引起电堆损坏的问题。

燃料电池系统及其控制方法

Resumen de: CN120527417A

本发明提供一种燃料电池系统，能够在停止燃料电池的运转时将燃料电池的输出抑制为一定值以下，并且抑制燃料电池堆的劣化。燃料电池系统（FC系统1）具备：燃料电池堆（FC堆2），其通过燃料气体与氧化剂气体的反应来发电；氧化剂气体供给装置（3），其向燃料电池堆供给氧化剂气体；氧浓度获取部（51），其获取燃料电池堆内的氧浓度；以及电压控制部（52），其控制燃料电池堆的电压，电压控制部（52）在停止燃料电池系统时根据氧浓度使燃料电池堆的电压的降低速率变化。

燃料电池电芯的制造装置和制造方法

Resumen de: US2025262849A1

A fuel cell manufacturing device includes: a conveying unit for conveying a laminate in which components of the fuel cell are laminated and arranged via an adhesive layer containing a thermoplastic resin material; a heating unit for heating the laminate when the laminate conveyed by the conveying unit is positioned in a predetermined heating zone; a cooling unit for cooling the laminate when the laminate conveyed by the conveying unit is positioned in the predetermined cooling zone after passing through the heating zone; and a pressurizing unit for continuously pressurizing the laminate until the laminate is heated in the heating zone and cooled in the cooling zone.

电池系统以及热管理控制方法

Resumen de: CN120527428A

本申请涉及一种电池系统以及热管理控制方法，所述电池系统包括密闭箱体、燃料电池、温度传感器、热控组件以及控制组件。所述密闭箱体包括容置腔，所述燃料电池安装于所述容置腔内，所述温度传感器设置于所述容置腔内，用于检测所述容置腔内的温度信息。所述热控组件设置于所述容置腔内，用于调节所述密闭箱体的内部温度。所述热控组件和所述温度传感器分别电连接于所述控制组件，所述控制组件用于接收所述温度传感器所发出的温度信号，并根据所述温度信号控制所述热控组件的启停。本申请的电池系统能够在不同的环境温度下自动调节工作状态，提升了燃料电池的输出效率和使用寿命，能够确保燃料电池的顺利启动与持续运行。

FUEL CELL STACK ASSEMBLY

Resumen de: WO2025172367A1

Fuel cell stack assembly (1) comprising at least, an assembled fuel cell stack having at least a first endplate and at least a second endplate sandwiching a plurality of unit fuel cells, wherein each unit fuel cell comprises a membrane electrode assembly and a bipolar plate, and at least one clamping means configured to clamp the first endplate, the second endplate, and the plurality of unit fuel cells together to form the assembled fuel cell stack, wherein further the first endplate has at least one connection element through which a medium for operating the fuel cell stack is guided to or from the fuel cell stack, wherein a media providing baseplate for providing a medium supply and removal between at least one medium duct and the first endplate, and having at least one port for supplying media to and removing media from the fuel cell stack, wherein the first endplate and the media providing baseplate are connected to each other in fluid tight engagement, and wherein the media providing baseplate is further equipped with a control unit for determining a state of engagement between the first endplate and the media providing baseplate and for triggering at least one control action in the fuel cell stack assembly based on the state of engagement.

FUEL CELL STACK ASSEMBLY

Resumen de: WO2025172366A1

A Fuel cell stack assembly (1) comprising at least an assembled fuel cell stack (2) having at least a first endplate (8-1) and a second endplate (8-2) sandwiching a plurality of unit fuel cells, wherein further the first end plate (8-1) has at least one connection element (10) through which a medium for operating the fuel cell stack is guided to or from the fuel cell stack (2), wherein the fuel cell stack assembly further comprises a coupling unit for providing a fluid connection between a medium duct and the first endplate and having at least one connection counter element (14), wherein the connection element of the first endplate and the corresponding connection counter element of the coupling unit are adapted to fit into each other in such a way that they are engaged by friction fit and/or form fit, at least one force receiving element (16) and at least one force transmitting element (18), and wherein the at least force receiving element (16) and the at least one force transmitting element (18) are configured to interact with one another to bring the at least one connection element (10) and the at least one corresponding connection counter element (14) in engagement by friction fit and/or form fit for providing a fluid tight connection between the connection element (10) and the corresponding connection counter element (14).

ELECTROCHEMICAL CELL BIPOLAR PLATE FOR REDUCING SHORT-CIRCUIT FLOWS AT THE EDGE OF THE REACTION ZONE

Resumen de: WO2025172240A1

The invention relates to an electrochemical cell bipolar plate, comprising upper and lower metal sheets (10, 20), the ribs of which define, along the distribution circuits (7), a lateral bypass zone (Zc) in which there is a longitudinal alternation of a first short-circuit prevention portion (P1sup) and a second short-circuit prevention portion (P2jnf), such that: • in the first short-circuit prevention portion (P1sup), the lower metal sheet (20) comprises a longitudinal series of internal ribs (25i) and external ribs (25e), each having an opposite, closed end that is not connected to the external rib (22e) or the internal rib (22i), respectively; • in the second short-circuit prevention portion (P2inf), the upper metal sheet (10) comprises a longitudinal series of internal ribs (15i) and external ribs (15e), each having an opposite, closed end that is not connected to the external rib (12e) or the internal rib (12i), respectively.

FLOW CELL

Resumen de: WO2025172465A1

The present application relates to a method of reconditioning a flow cell The flow cell comprises a gas anode chamber having a flow cell gas anode with a flow cell gas anode active surface, a liquid cathode chamber having a flow cell liquid cathode, and a flow cell membrane between the gas anode chamber and liquid cathode chamber. The method comprises delivering a flow cell reconditioning liquid into the gas anode chamber.

SPACER FOR A SOLID OXIDE ELECTROCHEMICAL DEVICE, SOLID OXIDE ELECTROCHEMICAL DEVICE COMPRISING SUCH A SPACER, AND SOLID OXIDE ELECTROCHEMICAL SYSTEM COMPRISING SUCH DEVICES

Resumen de: WO2025172251A1

The invention relates to a spacer for a solid oxide electrochemical device (200), the device (200) comprising: - at least one interconnector (102, 104); - a solid oxide electrochemical cell (106) arranged between the interconnector (102, 104) and another interconnector (102, 104); and - the spacer (202), arranged between the interconnectors (102, 104), in particular around the cell (106); characterised in that the spacer (202): - comprises a layer, referred to as the main layer, made of an electrically insulating ceramic matrix composite material, referred to as a CMC material, or of a precursor of the CMC material; and - is partially or entirely gas-tight. The invention further relates to a solid oxide electrochemical device comprising such a spacer. The invention further relates to a solid oxide electrochemical system comprising such electrochemical devices.

ELECTROCHEMICAL CELL BIPOLAR PLATE FOR REDUCING SHORT-CIRCUIT FLOWS AROUND HEADERS

Resumen de: WO2025172238A1

The invention relates to a bipolar plate for an electrochemical cell comprising upper and lower metal sheets (10, 20) and first and second headers (2, 3), wherein, in a first intermediate zone extending between the upper (15) and lower (25) ribs of the first header on the one hand and the upper (12) and lower (22) external ribs on the other hand, the upper conductive sheet (10) comprises an upper recess (14), referred to as an intermediate upper recess, and the lower conductive sheet (20) comprises a lower rib (24), referred to as an intermediate lower rib, positioned over and in contact with the intermediate upper recess (14).

METHOD FOR OPERATING AN AIR SYSTEM, COOLING DEVICE FOR AN AIR SYSTEM, AND AIR SYSTEM HAVING A COOLING DEVICE

Resumen de: WO2025172090A1

The invention relates to a method for operating an air system (1), comprising a supply air path (2) with an integrated air compressor (3), via which at least one fuel cell stack (4) is supplied with compressed air, wherein the compressed air is cooled with the aid of a cooling device (5) integrated into the supply air path (2) before it enters the fuel cell stack (4). According to the invention, the air in the cooling device (5) is humidified by means of water injection and then conducted through a structure (7) of the cooling device (5), which structure forms a plurality of air channels (6) running in parallel, wherein water droplets which are carried along by the air evaporate such that energy is extracted from the air and the air is cooled. The invention further relates to a cooling device (5) and to an air system (1) having a cooling device (5) according to the invention.

BLOWER FOR A FUEL CELL ASSEMBLY FOR A VEHICLE, IN PARTICULAR A UTILITY VEHICLE, FUEL CELL ASSEMBLY, AND VEHICLE

Resumen de: WO2025172029A1

The invention relates to a blower (1) for a fuel cell assembly (205) for a vehicle (200a), in particular a utility vehicle (200b); wherein the blower (1), in order to recirculate a gas mixture (40) used for the operation of the fuel cell assembly (205), has a drive motor (7, 8, 9) with a motor shaft (7), a rotor (9) coupled to the motor shaft (7), and a stator (8) arranged radially outside the rotor (9); the blower (1) has an annular channel (10) for guiding the gas mixture (40), which annular channel is arranged radially between the rotor (9) and the stator (8) and has an inlet side (41) and an outlet side (42); the blower (1) has a blower impeller (5) coupled to the motor shaft (7), the blower impeller (5) being designed to convey the gas mixture (40) from the inlet side (41) to the outlet side (42) during rotation of the motor shaft (7); the blower (1) has a main housing (2) which at least partially forms the annular channel (10); the blower (1) has an outlet-side bearing (12) for rotatably supporting the motor shaft (7); the blower (1) has an inlet-side bearing (11) for rotatably supporting the motor shaft (7); and the main housing (2) has a bearing seat (18) which receives the inlet-side bearing (11).

FLUID SEPARATOR HAVING FLUID RECIRCULATION PASSAGE AND PLURAL OUTLET PASSAGES

Resumen de: WO2025174507A1

A fluid separator device includes an outer wall member defining an interior, an inlet end with an inlet, and an outlet end with a first outlet and a second outlet. Additionally, the fluid separator includes a fluid flow path system defined within the interior. The fluid flow path system includes a first flow path extending in a first downstream direction from the inlet and through an inner flow member toward at least one of the first and second outlet. The fluid flow path system further includes a second flow path that is at least partly defined between the outer wall member and the inner flow member. The second flow path extends in a second downstream direction from the outlet end toward the inlet end, the second flow path configured to receive flow from the first flow path.

DEVICE FOR HUMIDIFYING A GAS FLOW AND AIR SYSTEM FOR SUPPLYING AT LEAST ONE FUEL CELL STACK WITH AIR

Resumen de: WO2025172003A1

The invention relates to a device (100) for humidifying a gas flow (1) with the aid of an additional, water-containing gas flow (2), having a housing (3) through which a respective flow path (4) for each of the two gas flows (1, 2) extends, wherein the flow path (4) for the additional, water-containing gas flow (2) runs via a plurality of parallel flow channels (5) by means which a geodetically higher inlet region (6) is connected to a geodetically lower outlet region (7) that is equipped with water-collecting elements (8) in order to separate water from the additional, water-containing gas flow (2). The invention also relates to an air system having a device (100) according to the invention.

STACKABLE ELECTRO-SYNTHETIC OR ELECTRO-ENERGY CELLS

Resumen de: US2025266470A1

Electro-energy or electro-synthetic cells whose architectures allow them to be readily stacked into a cell stack. The cells include polymeric cell frames that incorporate within them, functional materials, such as an inter-electrode separator, electrodes, metallic bipolar plates, and the like. For example, an electro-energy or electro-synthetic cell includes a polymeric cell frame, a first electrode and a second electrode, and an inter-electrode separator positioned between the first electrode and the second electrode. A compressive component is positioned adjacent to the first electrode. The compressive component may be a metallic bipolar plate compressive component and/or a metallic porous transport layer compressive component. In one example the polymeric cell frame is sealed to the metallic bipolar plate by a polymer-to-metal join. In another example at least one polymeric structural locating component locates the metallic bipolar plate against the polymeric cell frame. A cell stack includes a plurality of the cells.

CONDENSER-BASED ANODE HYDROGEN PRECONDITIONING

Resumen de: US2025266476A1

Disclosed is a hydrogen feed conditioning system for a hydrogen fuel cell in which fresh hydrogen from storage and recycled hydrogen from an anode exhaust of the fuel cell are mixed and fed to an anode feed of the fuel cell. A stream of recycled hydrogen is first passed through a hydrogen/water separator configured to reduce an amount of water vapor in the recycled hydrogen stream. The system includes a condenser for the anode exhaust stream upstream of the hydrogen water separator.

WATER ELECTROLYSIS SYSTEM AND ENERGY SYSTEM

Resumen de: US2025266534A1

A water electrolysis system includes: a water electrolysis device including a membrane electrode assembly formed by sandwiching an electrolyte membrane between an anode and a cathode, the water electrolysis device being configured to generate oxygen gas at the anode by supplying water to the cathode and electrolyzing the water; and a water supply device configured to supply, to the anode, water generated in association with power generation of a fuel cell stack.

POWER GENERATOR TEMPERATURE REGULATION, AND ASSOCIATED SYSTEMS, DEVICES, MOBILE UNITS, AND METHODS

Resumen de: US2025266472A1

Various embodiments relate to systems including a mobile surveillance unit. A system may include a mobile surveillance unit that includes at least one controller, a fuel cell generator coupled to the controller, and a temperature regulator proximate the fuel cell generator. The temperature regulator may include a temperature sensor for sensing a temperature in or near the fuel cell generator and a fan system including a fan. The at least one controller may be configured to receive a signal from the temperature sensor indicative of the sensed temperature. The controller may also be configured to generate a control signal to turn the fan on based on the sensed temperature being greater than or equal to a threshold temperature. Associated methods and mobile surveillance units are also disclosed.

LOW HYDROGEN PERMEATING FLEXIBLE BARRIER HOSE FOR ANODE WET LINE IN FUEL CELL SYSTEM

Nº publicación: US2025266474A1 21/08/2025

Solicitante:

CONTITECH TECHNO CHEMIE GMBH [DE]
ContiTech Techno-Chemie GmbH

Resumen de: US2025266474A1

A multilayer hose suitable for use as a fuel cell wet line hose includes: an elastomeric layer directly bonded to a polyamide (PA) barrier layer without an intervening adhesive layer, the elastomeric layer formed from a composition including: ethylene propylene diene monomer (EPDM); a peroxide cure system; a diacrylate crosslinking co-agent; and a maleic anhydride functionalized polybutadiene crosslinking co-agent. The EPDM elastomeric layer provides flexibility and elasticity, as well as enhanced chemical resistance and permeation resistance to the water vapor in the fuel cell wet line. The PA barrier layer provides enhanced permeation resistance to the hydrogen gas to reduce hydrogen fuel losses in the fuel cell wet line. The crosslinking co-agents combined with the peroxide cure system provides exceptional bonding performance of the elastomeric EPDM layer to the PA barrier layer with a dual mechanism bonding approach, thereby eliminating the need for an intervening adhesive layer.