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ELECTRICAL ARRANGEMENT FOR A FUEL CELL SYSTEM

Resumen de: WO2026002533A1

The invention relates to an electrical arrangement for a fuel cell system (7), comprising: an electrical power section (10) designed to electrically connect a fuel cell (5) to an application (1); a DC-to-DC converter (4) designed to convert an input voltage to an output voltage, wherein the DC-to-DC converter (4) has a first connection (41) which is designed to be connected to the fuel cell (5); a bidirectional, galvanic isolation device (3) designed to electrically isolate the electrical power section (10), wherein the bidirectional galvanic isolation device (3) has a second connection (30) which is designed to be electrically connected to the application (1); a connection line (8) which electrically connects the DC-to-DC converter (4) to the isolation device (3); and a branching point (9) from which a branch line (90) branches off at the connection line (8), wherein the branch line (90) is designed to be connected to an auxiliary component system (6) of the fuel cell system (7).

HYDROGEN TECHNOLOGY DEVICE

Resumen de: WO2026002496A1

The invention relates to a hydrogen technology device which is an electrolyzer and/or a fuel cell and has an electrochemical cell (2), said electrochemical cell having a bipolar plate (3), an anode (5), and an anode-side gas diffusion layer (7) which electrically conductively connects the bipolar plate (3) to the anode (5). The anode-side gas diffusion layer (7) has a plurality of anode-side expanded metals (11 to 13), the anode-side expanded metals (11 to 13) are arranged at different distance to the bipolar plate (3) and comprise a first anode-side expanded metal (11) which contacts the bipolar plate (3), and a contact pressure is transmitted between the bipolar plate (3) and the fist anode-side expanded metal (11) via anode-side plate contact regions at which the first anode-side expanded metal (11) contacts the bipolar plate (3).

Unité pour empilement de cellules pour dispositif électrochimique, en particulier pour SOEC ou SOFC

Resumen de: FR3164063A1

L’invention concerne une unité (SRU) pour empilement de cellules pour dispositif électrochimique de type SOEC ou SOFC, ladite unité comprenant au moins deux plaques d’interconnecteur (3) entre lesquelles circule au moins un fluide, et comprenant : une entrée (5) par laquelle le fluide est injecté dans ladite unité, une partie intermédiaire (6) comprenant une cellule (4) et dans laquelle le fluide est en contact avec ladite cellule (4) et une sortie (7) par laquelle le fluide est évacué. L’unité comporte au moins un diffuseur (8) de fluide, positionné entre ladite entrée et ladite partie intermédiaire, et/ou entre la partie intermédiaire et la sortie, le diffuseur de fluide comportant au moins un dispositif de répartition (9) positionné en amont de la cellule et/ou en aval de la cellule, et assurant soit la répartition du fluide soit le recueil du fluide sur toute la longueur de la section de la partie intermédiaire. Figure pour l’abrégé : Fig.1

电堆生产线

Resumen de: CN121260867A

本发明提供了一种电堆生产线，包括沿第一方向依次设置的预装模块、翻转模块、第一涂胶模块和组装模块；预装模块包括第一机架，第一机架上沿第二方向依次设置有备料区和装配区，备料区内沿第二方向依次设置有用于放置液流框的第一存储区、用于放置隔板的第二存储区和第一整形模块，装配区设置有第二整形模块，装配区沿第一方向依次设置有上料工位和组装工位，第二整形模块能够在上料工位和组装工位之间往复运动。本发明能够提高液流框和隔板的高精度装配，同时其机构布局合理，有利于提高效率和节省厂房的安装空间。

一种液流电池电极框组件及电池单元

Resumen de: CN121260835A

本申请涉及液流电池的技术领域，尤其是涉及一种液流电池电极框组件及电池单元，包括母框，所述母框上开设有公共流道，所述母框上分别开设有内部流道组和电极腔体，所述内部流道组分别与所述公共流道和所述电极腔体连通，当相邻两个所述母框面对面贴合时，两个所述母框上的内部流道组在所述母框的厚度方向上重合并连通，且两个所述母框上的所述公共流道连通；子框，设置在所述母框上；双极板，设置在所述子框与所述母框之间。本申请具有在有限的电极框厚度内，增加流道深度的效果。

一种电解质、含有其的电解质反应器、及其制造方法和用途

Resumen de: CN121250391A

本申请属于电化学设备与功能材料技术领域，涉及一种电解质、含有其的电解质反应器、及其制造方法和用途。所述电解质由固体电解质颗粒、水溶性造孔剂和特定粘结剂制成，经混合、模具压制、干燥成型，可调控孔隙率、厚度及流道形状，满足多场景使用要求。所述电解质反应器采用“阳极‑电解质‑阴极”三明治结构，阴阳极与电解质层可直接接触，可避免传统膜结构缺陷，在过氧化氢制备、锂回收、氮还原等多领域应用广泛，产物无需提纯，利于集成与放大。

一种抗振歧管支架总成及车辆

Resumen de: CN121260869A

本申请涉及燃料电池领域，公开一种抗振歧管支架总成及车辆，抗振歧管支架总成包含：呈盆形结构的歧管支架壳体，其边沿与堆芯总成的连接端面之间铺设若干阻尼块并通过若干螺栓连接；若干过渡管，容纳于歧管支架壳体的盆腔内，若干过渡管的一端均固定于歧管支架壳体的盆底板且向外一一对接于所有外部歧管，若干过渡管的另一端一一对接于堆芯总成的进出端口；每根过渡管的主体均采用塑料管；当堆芯总成振动时，歧管支架壳体沿所述螺栓的螺杆往复运动并在若干阻尼块作用下缓冲。本申请的抗振歧管支架总成及车辆，将堆芯总成和歧管总成分开，并使用非刚性连接，大大减小堆芯总成振动对歧管的连接部位的不良影响，进而达到防止歧管漏气漏液的目的。

一种燃料电池电堆多源加热启动方法及系统

Resumen de: CN121260849A

本发明涉及燃料电池技术领域，具体提供了一种燃料电池电堆多源加热启动方法及系统，燃料电池电堆多源加热启动方法包括如下步骤：根据燃料电池电堆的温度划分不同的湿度区间；获取燃料电池电堆的实时温度，根据实时温度确定燃料电池电堆所处湿度区间；配置多个不同的加热模块，根据燃料电池电堆所处湿度区间控制多个不同加热模块的工作模式以进行热量分配，调节燃料电池电堆的实时温度，直至燃料电池电堆稳定工作；其中，多个加热模块分别对应不同的热能来源。本发明通过多源热能结合，能使燃料电池电堆在极寒环境下迅速升温，显著提高燃料电池的启动效率，并且多个加热模块的热能来源不同，可优化能源利用效率并提高能源利用率。

基于梯度聚两性电解质水凝胶的柔性浓差电池及其制备方法

Resumen de: CN121260864A

本发明属于功能性聚两性电解质材料技术领域，具体涉及一种基于梯度聚两性电解质水凝胶的柔性浓差电池及其制备方法。所述制备方法包括如下步骤：制备PA水凝胶；制备高盐浓度水凝胶；将所述PA水凝胶、高盐浓度水凝胶组装成柔性浓差电池。本发明PA水凝胶是一种具有梯度组成的阴阳离子双选择性功能的半透膜，还集成了低盐浓度水凝胶的功能，与高盐浓度水凝胶组装成柔性浓差电池，将传统浓差电池的多层离子选择性材料简化为单层功能化水凝胶，避免了多步组装导致的界面阻抗问题，能满足可穿戴设备的小型化和轻量化要求。

一种柔性膨胀石墨极板工装及工作方法

Resumen de: CN121260834A

本发明提供一种柔性膨胀石墨极板工装及工作方法，涉及石墨极板成型工装领域，针对目前的柔性膨胀石墨极板生产工装难以兼顾清洗彻底和固化防变形需求的问题，采用机架和约束架组合，约束架的第一限位架和第二限位架之间能够相对移动从而改变存放区的尺寸，通过扩大存放区尺寸消除清洗死角，极板表面残留树脂彻底清除，避免固化后形成杂质层，固化时缩小存放区尺寸形成稳定约束，有效抵消内应力，极板翘曲变形量被限制在较小范围，无需后续额外整平工序，同一工装兼顾双工序需求，无需切换工装，减少极板搬运与工装拆装步骤，降低操作难度，提升生产连续性与效率。

一种基于醇熟化树脂的燃料电池膜电极的制备方法

Resumen de: CN121260815A

本发明属于燃料电池技术领域，具体涉及一种基于醇熟化树脂的燃料电池膜电极的制备方法，包括以下步骤：步骤S1、将离聚物分散在溶剂中，经过熟化得到醇熟化的离聚物溶液；步骤S2、向步骤S1得到的离聚物溶液中加入催化剂和溶剂，分散均匀得到阴极催化层浆料；步骤S3、将阴极催化层浆料涂覆于转印载体上，经干燥形成阴极催化层；并将所述阴极催化层和阳极催化层、质子交换膜通过热压转印一体化成型形成膜电极。本发明利用醇类溶剂作为树脂的分散介质，利用加热熟化工艺，改善树脂在催化层浆料中的分散性，从而提升催化剂与质子导体的接触效率，增强质子传导能力，并优化催化层结构的稳定性。

一类含氮杂环双卤素或含氮杂环双酚类化合物、含氮杂环碳链聚合物及其制备方法和应用

Resumen de: CN121248598A

本发明公开了一类含氮杂环双卤素或含氮杂环双酚类化合物、含氮杂环碳链聚合物及其制备方法和应用，本发明以氮杂环化合物、含卤素芳烃化合物或含羟基芳烃化合物发生傅克反应，制备了一类含氮杂环双卤素或双酚类化合物，并以这类含氮杂环双卤素或双酚类化合物在过渡金属催化下发生偶联反应，得到一类含氮杂环碳链聚合物，将这类含氮杂环碳链聚合物制备成具有优良的抗自由基、抗碱性能的薄膜或离聚物粘接剂。本发明利用傅克反应制备含氮杂环双酚类化合物，以及利用偶联反应制备含氮杂环碳链聚合物的过程中，不需要使用超强酸，可以避免超强酸的使用，一方面可以降低生产成本，另一方面，可以减少对环境的污染。

USE OF THE PVDF POWDER AS A BINDER IN THE BIPOLAR PLATES FOR FUEL CELL AND ELECTROLYZERS

Resumen de: WO2026006651A1

A bipolar plate including one or more electrically conductive materials and a fluorinated polymer. The fluorinated polymer may have a melt viscosity of 1 to 25 kP, such as 1 to 20 kP. The bipolar plate may be formed from the fluorinated polymer in powder form, the powder having a volume average particle size of 0.5 to 100 μm, as measured by light scattering. A device including the bipolar plate, such as a hydrogen fuel cell or electrolyzer.

INTEGRATED COUNTER FLOW HEAT AND MASS EXCHANGERS WITHIN FUEL CELLS

Resumen de: WO2026006253A1

Integration of heat and mass exchangers within planar array fuel cells, using paired parallel counter flow channels to mass exchange and heat exchange via concentration and heat gradients through a gas permeable dielectric diffusion layer for spatially uniform delivery of heat and molecules. Provide the spatially uniform temperature and humidity environment and membrane control needed by fuel cells for optimum performance, fuel efficiency, and delivery of useful heat and desalinated water to the environment. Reduce interface connections and enable printing of the system, greater precision, and reliability. Enable faster adaptation to dynamic loads and the environment, enlarge the operating environment range, provide greater efficiency and performance. Applications to provide power to mobile and stationary systems that are exposed to a wide range of environmental conditions and performance demands for heating, electric power, fuel production, cooling, cleaning air, water purification, and humidification.

一种改性锌溴液流电池碳毡负极的制备方法及由该方法制备的碳毡负极

Resumen de: CN121260818A

本发明公开了一种改性锌溴液流电池碳毡负极的制备方法及由该方法制备的碳毡负极，属于锌溴液流电池领域。本发明将铜有机物前驱体在双温区管式炉中加热气化，部分气化后的铜有机物前驱体分子被氢气载至碳毡所在的位置并吸附在碳毡上，铜有机物前驱体与氢气反应形成铜单质，铜单质附着在碳毡表面形成负载物，从而实现铜单质负载改性碳毡的目的。此方法克服了负载氧化物电导率低对锌沉积/剥离过程中电子转移的阻碍；避免了负载的金属活性位点与电解液酸性成分反应导致的失活；消除了因金属盐溶液与碳毡间高表面张力造成的碳毡内部纤维难以均匀负载金属单质或氧化物颗粒的问题，实现了铜单质在碳毡上的高效、均匀负载，显著提升了锌溴液流电池负极性能。

电源

Resumen de: WO2024251843A1

The invention relates to an electrical power source comprising two flow batteries (1, 2), which are held at different temperatures (T1, T2) from one another and the potential difference of which can be tapped as useful voltage. The electrolyte liquids (15, 16) are conducted comprehensively across the two flow batteries (1, 2). A heat store (42) is additionally incorporated into the energy source and the electrolyte liquids (15, 16) are conducted through said heat store so that they have their respective temperatures (T1, T2) on the input side of the respective flow batteries (1, 2). The heat store (42) is held in the upper region at the higher of the two temperatures (T1, T2) by feed elements (29) arranged in the upper region and in the lower region at the lower of the two temperatures (T1, T2) by feed elements (29) arranged in the lower region. The temperature profile therebetween is established in accordance with the state of charge of the heat store (42).

一种基于紧凑型重整器的船用热电联供系统和应用方法

Resumen de: CN121260856A

本发明属于船舶动力及分布式能源技术领域，具体涉及一种基于紧凑型重整器的船用热电联供系统和应用方法。该系统包括热电联供模块和跨临界CO2循环模块；热电联供模块将气体燃料的化学能转化为电能，并产生燃烧尾气；跨临界CO2循环模块回收并利用燃烧尾气的余热进行发电。本发明通过热电联供模块与跨临界CO2循环模块的深度耦合，不仅克服了现有技术中预重整器与后燃烧器结构分离、系统体积大、热质传递路径长的缺陷，还解决了现有技术中高品位余热利用率低、系统综合能效不高的问题，实现了系统小型化、能量多级高效利用与极低排放的协同优化。

操作电化学堆的方法、电化学电池以及电化学堆

Resumen de: WO2024240322A1

The invention relates to a method of operating an electrochemical stack (1), in particular an electrolysis stack, comprising a plurality of electrochemical cells (2), in particular electrolysis cells, comprising the steps - supplying the cells (2) with a fluid via inlet channels (3) that extend in stacking direction through the stack (1) and are provided on opposite sides (S1, S2) of the stack (1) and - discharging the fluid via outlet channels (4) that extend in stacking direction through the stack (1) and are provided opposite the inlet channels (3), such that the fluid flows through each cell (2) in two substantially opposite directions (D1, D2). The invention further relates to an electrochemical cell (2) and an electrochemical stack (1).

BATTERY CELLS WITH THERMALLY CONDUCTIVE POTTING

Resumen de: WO2026005877A1

In accordance with some embodiments of the present disclosure, a battery cell includes a cooling structure, a plurality of energy units thermally coupled to the cooling structure via a first interface, and a thermally conductive potting material that thermally couples the plurality of energy units to each other and to the cooling structure via a second interface. In some embodiments, the thermally conductive potting material is electrically conductive. In some embodiments, the first interface is between a side of the cooling structure and respective ends of the cylindrical energy units, and the second interface is between the side of the cooling structure and respective cylindrical sides of the energy units. In some embodiments, the plurality of energy units are electrically coupled in parallel. In some embodiments, the battery cell also includes an adhesive that thermally couples the plurality of energy units to the cooling structure via the first interface.

ELECTRODE CURRENT COLLECTOR AND METHOD FOR PRODUCING SAME

Resumen de: WO2026005563A1

An electrode current collector according to an embodiment of the present disclosure comprises CeO2 and an alloy containing Ni and Cu, and has porosity of 25-80%.

FUEL CELL SYSTEM

Resumen de: WO2026005333A1

Disclosed is a fuel cell system. The fuel cell system comprises: a fuel cell stack unit provided with a fuel cell stack; a main fuel supply unit supplying a main fuel gas to the fuel cell stack and provided with a first pipe that provides a path through which the main fuel gas flows; a fuel discharge unit provided with a second pipe that provides a path through which an off-fuel gas discharged from the fuel cell stack flows; a fuel recirculation unit branching from the second pipe and provided with a third pipe that provides a path through which a portion of the off-fuel gas flows; and a joining unit provided with a joining pipe structure. The joining pipe structure includes: an expansion pipe; first and second inlet pipes which are coupled to a first end surface of the expansion pipe, have parallel center axes, and are connected to the first and third pipes, respectively; a reducer pipe coupled to a second end surface of the expansion pipe; and an outlet pipe coupled to the reducer pipe.

SECONDARY BATTERY

Resumen de: WO2026005435A1

The present invention relates to a secondary battery that undergoes charging and discharging through the oxidation and reduction of metal ions dissolved in an electrolyte. A secondary battery according to an embodiment of the present invention comprises a plurality of layers stacked in one direction, each of the plurality of layers comprising: an anode liquid electrode in which an anode half-reaction occurs; a cathode liquid electrode in which a cathode half-reaction occurs; and a separator disposed between the anode liquid electrode and the cathode liquid electrode and having an ion-selective polymer layer applied to one surface of a porous substrate layer, wherein, in any one of the plurality of layers, the ion-selective polymer layer of the separator is in contact with the cathode liquid electrode and the porous substrate layer of the separator is in contact with the anode liquid electrode.

POWER PLANT SYSTEMS AND METHODS OF OPERATION ASSOCIATED WITH VARIED HYDROGEN PURITY

Resumen de: WO2026006064A1

A system for generating power may include a fuel cell stack including one or more hydrogen fuel cells. The system may be operated in one or more modes based on a hydrogen purity of fuel supplied to the stack. A method of operating a fuel cell stack is also disclosed.

一种燃料电池三角形双极板及燃料电池堆

Resumen de: CN121260832A

本发明公开了一种燃料电池三角形双极板及燃料电池堆，属于燃料电池技术领域，包括阳极板和阴极板；极板三角处设进口、三边设出口，分别为空气进出口、氢气进出口、冷却液进出口；极板两面分别为反应侧和冷却侧，反应侧设气体流场区和气体密封区，气体流场区与一组气体进出口连通；气体流场区包括依次连通的点阵流场、蛇形点阵流场、点阵矩块流场；点阵流场包括梅花凸点区，梅花凸点区由若干个梅花状布置的凸点组成；蛇形点阵流场分为前段和后段，前段包括多个平行的矩块，矩块端部一侧设置凸点，相邻行的凸点交替布置在矩块第一端或第二端的一侧；后段中每行包括多个矩块，多个矩块之间设置缺口或凸点。解决现有技术中气路狭长、压降过大的问题。

一种水系有机液流电池容量衰减抑制方法及系统

Nº publicación: CN121260853A 02/01/2026

Solicitante:

中国电力科学研究院有限公司

Resumen de: CN121260853A

本发明属于水系有机液流电池技术领域，提供一种水系有机液流电池容量衰减抑制方法及系统，所述方法包括：在负极电解液循环管路中采集活性物质浓度和实时电解液温度；基于采集的活性物质浓度和实时电解液温度，计算电压降低补偿值；根据电压降低补偿值，结合基准截止电压得到当前充电截止电压；基于当前充电截止电压进行充电。本发明通过提供一种基于截止电压降低的物理调控方法，通过动态优化充电截止电压，从源头抑制负极电解液中不可逆副产物的生成，同时避免化学添加剂的副作用。简单的控制参数调节即可实现容量衰减速率降低，降低技术实施成本，适用于大规模商业化水系有机液流电池系统。