Piles de combustible

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.

一种氢燃料电池阴极气体供给系统

Resumen de: CN223757509U

本实用新型公开了一种氢燃料电池阴极气体供给系统，包括氢燃料电堆，氢燃料电堆的阴极入口和氢燃料电堆的阴极出口之间依次连接有气体分离器、气液分离器、循环风机以形成一条剩余氧气循环回路；气体分离器内部设置有一层氧气分离膜将气体分离器分隔成压缩气体腔和氧气气体腔，气液分离器和燃料电堆的阴极入口分别连接在氧气气体腔的两侧；压缩气体腔的一侧排气电磁阀，压缩气体腔的另一侧依次连接有气体压缩机和空气过滤器以形成一条新鲜空气进入路径；本实用新型具有既可以保证膜电极湿润、又可以延长反应时间提升氧气浓度和利用率等优点。

一种解决冗余子系统间SOC不均衡问题的共用储罐复合装置

Resumen de: CN223757514U

本实用新型属于液流电池技术领域，涉及一种解决冗余子系统间SOC不均衡问题的共用储罐复合装置，复合装置包括若干个电堆并联，共用一个正极储罐和一个负极储罐，正极储罐通往电堆的一条管道设有取液口A，正极储罐通往电堆的另一条管道设有回液口B，负极储罐通往电堆的一条管道设有取液口C，负极储罐通往电堆的另一条管道设有回液口D。本实用新型多套冗余子系统并联，各自独立共用储罐，配置安装使用简单，成本效益好，占地面积小，故障率低，提高设备的可靠性和稳定性。电解液取液口和回液口一致，保证进入各个子系统的电解液浓度，流速和运行温度完全一致，储罐内设置布液管，保证储罐内各化合价离子均匀分布，从而保证充放电过程中SOC均衡。

一种完全模块化燃料电池集成热部件

Resumen de: CN223757506U

本公开涉及一种完全模块化燃料电池集成热部件，涉及燃料电池用热部件技术领域，包括由内向外采用套筒式结构层层套嵌的燃烧器、空气预热器、重整器、蒸汽发生器、排气冷却器，体积小，功率密度大，合理排布，热部件集成度高，子部件之间连接管路短，有助于降低压降损失，套筒式结构及短连接管路有助于减少外露表面积，并且核心热部件工作温度由内向外呈降低趋势，这些均有助于减少热量散失以及热应力；燃料电池集成式热部件可以对流量及温度进行精确调节，能够满足工况变化需求，可单独用于制含氢合成气也可以与燃料电池联合使用。

一种全钒液流电池电解液及电池

Resumen de: CN121260863A

本发明属于全钒液流电解液技术领域，公开了一种全钒液流电池电解液及电池，其中包括VOSO4或V2(SO4)3、H2SO4和电解液添加剂，所述电解液添加剂的浓度为0.01mol/L~1mol/L；所述电解液添加剂选自以下物质中的至少一种：或；X为F，Br或I。本发明中采用的电解液添加剂使五价钒离子具有更好的高温稳定性，且制备的电池具有更好的循环稳定性、更好的电学性能，如平均库伦效率、电压效率以及能量效率更高。

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.

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.

一种燃料电池的气体扩散层组件及选型方法

Resumen de: CN121260830A

本发明提供了一种燃料电池的气体扩散层组件及选型方法，气体扩散层组件包括用于阴极的刚性气体扩散层和用于阳极的柔性气体扩散层，燃料电池电堆装配状态下，所述刚性气体扩散层的孔隙率沿其厚度方向存在突变界面，所述第一侧面与所述突变界面之间区域的孔隙率大于所述第二侧面与所述突变界面之间区域的孔隙率，且所述突变界面两侧的孔隙率变化量占所述刚性气体扩散层沿厚度方向孔隙率总变化量的80%以上，所述柔性气体扩散层的孔隙率沿其厚度方向从所述第三侧面至所述第四侧面呈连续均匀递减。本发明采用阴阳极差异化气体扩散层设计，解决了膜失水、阳极堵水、电堆单低及公差吸收四大核心问题。

一种带有分段进气诱导管的竹节管式固体氧化物燃料电池

Resumen de: CN121260842A

本发明公开了一种带有分段进气诱导管的竹节管式固体氧化物燃料电池，分段进气诱导管上轴向均匀分布的通孔将进气燃料分段引导至竹节管式固体氧化物燃料电池各电池单元发生电化学反应，分段进气诱导管与支撑管同心排布；支撑管位于分段进气诱导管外侧；绝缘层退台覆盖于支撑管上，阳极电流收集层、阳极功能层、电解质、阴极功能层、阴极电流收集层依次覆盖构成的电池单元沿轴向通过连接体面接触进行串联，分布于绝缘层上，最后一节电池单元通过半圆形连接体连接于支撑管上。本发明的创新点在于：通过分段进气有效改善轴向燃料不均匀性，防止因燃料沿轴向被不断反应而造成末端电池单元燃料不足，提高整体燃料利用率和功率密度。

一种燃料电池防冻液及其制备方法

Resumen de: CN121249334A

本发明公开了一种燃料电池防冻液及其制备方法，属于电池防冻液制备技术领域。一种燃料电池防冻液，按重量百分比计，包括40%～70%基础液、1.5%～3.0%复合缓蚀剂、0.5%～2.0%纳米自修复剂、0.1%～0.5%离子捕获剂、0.2%～0.8%抗氧化剂、0.01%～0.05%消泡剂、适量pH调节剂和余量去离子水；通过多元复合缓蚀体系实现对多种金属的全面防护；利用纳米自修复技术赋予防冻液微泄漏自修复功能；采用离子捕获技术维持电导率稳定。本发明防冻液具有电导率低、防腐性能好、长期稳定性高等优点，特别适用于氢燃料电池系统。制备工艺简单，适合工业化生产。

一种三维有序结构膜电极的制备方法

Resumen de: CN121260857A

本发明涉及电池技术领域，具体为一种三维有序结构膜电极的制备方法，包括：双模板混合后自组装于羟基化碳基基底，干燥得三维有序基底；基底经等离子体处理生成活性羟基；催化剂、带双交联基团的阴离子交换树脂等混合超声，制功能化催化剂浆料；浆料通过喷墨打印分多层涂覆，烘干形成梯度孔隙催化剂层，得气体扩散电极；阴离子交换膜经硅烷偶联剂处理改性；改性膜与电极浸入碱性溶液恒温浸泡后氮气干燥；改性膜夹于两电极间分步加压，交联；依次用酸液、有机溶剂脱模板，经全氟磺酸处理后烘干。本方法通过核壳式三维有序结构与点击交联，大幅提升膜电极层间结合力，有效防止分层，梯度孔隙设计优化传质路径，增强传质效率，降低电池内阻。

POLYMER, ELECTROLYTE MEMBRANE, MEMBRANE ELECTRODE ASSEMBLY, FUEL CELL, AND WATER ELECTROLYSIS DEVICE

Resumen de: WO2026004900A1

The purpose is to provide a polymer capable of forming an electrolyte membrane having excellent ability to suppress gas permeation, an electrolyte membrane having excellent ability to suppress gas permeation, and a membrane electrode assembly, a fuel cell, and a water electrolysis device, all using the electrolyte membrane. A polymer has a structural unit represented by formula (1). In the formula, R1 is a C1-12 alkyl group having an ion exchange group, R2 is a halogen atom or an optionally substituted hydrocarbon group, m1 is an integer of 0-3, Ar1 is an aromatic group optionally having a halogen atom or a hydrocarbon group as a substituent, or a group in which an aromatic group optionally having a halogen atom or a hydrocarbon group as a substituent is linked via a single bond, and carbon atoms constituting the aromatic group bond to a fluorene skeleton.

FUEL CELL SYSTEM, CONTROL METHOD FOR FUEL CELL SYSTEM, COMPUTER PROGRAM, AND RECORDING MEDIUM

Resumen de: WO2026004784A1

In a circulation path (111), an anode off-gas discharge port (133) of a fuel cell (120), a discharge position (117), a supply position (118), and a hydrogen supply port (131) of the fuel cell (120) appear in this order. A supply path (112) is connected to the circulation path (111) at the supply position (118), and supplies hydrogen-containing gas (101) to the circulation path (111). A discharge path (113) is connected to the circulation path (111) at the discharge position (117). A controller (190) executes abnormality response control when an abnormality occurs in a detection result of a sensor (170) in the circulation path (111). In the abnormality response control, discharge processing for discharging an anode off-gas (105) from the anode off-gas discharge port (133) via the discharge path (113) is executed.

ELECTROCHEMICAL CELL, ELECTROCHEMICAL CELL DEVICE, MODULE, AND MODULE STORAGE DEVICE

Resumen de: WO2026004950A1

This electrochemical cell includes an element part and a metal plate. The metal plate has a first surface facing the element part and a second surface positioned on the side opposite to the first surface. The metal plate has a plurality of holes that are open in the first surface and has a perforated region facing the element part. The perforated region has a first section including a first end of a pair of ends in a first direction parallel to the first surface, and a second section located closer to the center in the first direction than the first section. When the area ratio occupied by the plurality of holes in the first section is defined as a first area ratio and the area ratio occupied by the plurality of holes in the second section is defined as a second area ratio, the first area ratio is less than the second area ratio.

CARBON MATERIAL FOR CATALYST CARRIER OF SOLID POLYMER FUEL CELL, CATALYST LAYER FOR SOLID POLYMER FUEL CELL, AND FUEL CELL

Resumen de: WO2026005070A1

Provided are: a carbon material for a catalyst carrier of a solid polymer fuel cell having excellent low load characteristics; a catalyst layer for a solid polymer fuel cell using the same; and a fuel cell.　The carbon material for a catalyst carrier of a solid polymer fuel cell comprises porous carbon black that satisfies requirements (A) to (C). (A) The BET specific surface area is 350 m2/g or more. (B) The outer specific surface area is 10 m2/g to 200 m2/g. (C) The volume of pores with pore diameters of 2 nm or less is 0.025 mL/g or more.

全钒液流电池的SOx估算方法以及充放电控制方法

Resumen de: CN121260855A

本发明属于电池管理技术领域，提供了一种全钒液流电池的SOx估算方法以及充放电控制方法，该SOx估算方法通过设置正负极参比电极，分别采集循环圈数为N的循环中t时刻下正负极的参比电位，同时获取正负极电解液中钒离子的浓度，计算得到t时刻下正负极侧荷电状态，将参比电位与荷电状态进行拟合得到拟合计算式，从而利用s时刻下正负极的参比电位，代入拟合计算式估算得到正极侧SOC与负极侧SOC，然后计算SOH。所述SOx估算方法通过实施正负极独立参比电位与钒离子浓度双核心数据采集，建立电位‑浓度‑循环圈数‑容量四参数耦合的SOC估算模型，可以实现单侧SOC精准识别与浓度漂移修正，有利于更全面地反应电池健康状态。

一种中冷器增湿器集成装置、燃料电池发动机及车辆

Resumen de: CN121260839A

本申请涉及一种中冷器增湿器集成装置、燃料电池发动机及车辆，属于燃料电池发动机技术领域，包括中冷器，所述中冷器设置有气体通道和与所述气体通道热交换的冷却水通道；增湿器，所述增湿器连接于所述中冷器上，且所述增湿器的干侧进气口连通所述中冷器的气体通道出口；水气分离器，所述水气分离器连接于所述中冷器上，且所述水气分离器设置有与所述气体通道热交换的水气分离通道。本申请将中冷器、增湿器和水气分离器集成为一体，实现了体积紧凑，使燃料电池系统各部件布置更紧密，有效减小了系统布置空间，优化了车辆整体空间布局；同时，水气分离通道能与气体通道进行热交换，回收废气能量，促进热空气降温，实现提高废气能量回收利用率。

一种分级过滤与可变阻调控的全钒液流电池管路结构

Resumen de: CN121260845A

本发明涉及全钒液流电池电解液循环技术领域，具体涉及一种分级过滤与可变阻调控的全钒液流电池管路结构，该结构包括电解液储罐、循环泵、至少三条并联设置的支路以及电池模块。本发明通过多支路切换实现电解液的分级过滤，在不同运行阶段选择合适的支路以动态平衡过滤精度与系统流阻；在中间支路，通过可调电动阀的开度调控，实现基于压差反馈的主动式流阻优化，实现稳压和分流；周期性启用高目数支路进行精细过滤，从而实现系统自清洁。三个支路联用旨在实现多级过滤，延长过滤膜和系统寿命；防止泵频繁启停或高负荷工作，降低泵功耗；减少系统维护次数，降低人工和停机成本，从而提升电池的整体运行稳定性。

一种氢燃料电池系统

Resumen de: CN121260838A

本申请涉及一种氢燃料电池系统，包括：水浴组件，水浴组件内容置有冷却液，且水浴组件内置有储氢模组，储氢模组内具有固态的储氢单元；电池堆模组，电池堆模组包括多个电池片和散热片，电池片通过供氢管路与储氢模组连接，储氢模组用以为电池片供氢燃料；热交换模组，热交换模组设于水浴组件和散热片之间，冷却液在水浴组件、热交换模组和散热片之间循环。通过储氢模组对电池堆模组内带出的高温冷却液降温。电池堆模组带出的高温冷却液对储氢模组加热，避免因储氢模组温度过低，影响储氢模组的供氢压力、供氢流量。节省了电池堆模组自身散热和储氢模组加热所需的电能，进而提高了电池堆模组对电动机的供电效率。

一种基于硼氢化物的可充放式电池

Resumen de: CN121260996A

本发明提供了一种基于硼氢化物的可充放式电池，包括电解质腔室，其横向两侧分别设置有放电腔室和充电腔室；放电腔室内设置有放电组件，充电腔室内设置有充电组件，电解质腔室内盛装有硼氢化物电解液；放电组件和硼氢化物电解液共同组成放电单元，充电组件和硼氢化物电解液共同组成充电单元。本发明利用反应条件温和的电还原法实现了BH4‑的再生，通过特殊的隔膜‑腔室结构设计，将放电和充电高效、可逆地集成在同一个电池结构中，充分利用放电反应副产物作为充电反应的反应物，有效解决了传统硼氢化物电池只能实现单向的化学能转化为电能的放电过程的问题，实现基于硼氢化物放电耗能与充电储能的循环过程，即实现了可逆的循环充放电。

一种带回收功能的空压机与氢循环一体化节能方法及系统

Resumen de: CN121251439A

本发明涉及新能源汽车燃料电池技术领域，具体提供了一种带回收功能的空压机与氢循环一体化节能方法及系统，该节能方法包括如下步骤：实时监测燃料电池的空气流量需求，根据空气流量需求调节空压机的工作参数；实时监测空压机运行时所产生的空气余压，通过能量回收装置接收空气余压，将空气余压转换为机械能；利用机械能做功，驱动氢气循环泵工作，实现空气余压的能量回收。本发明通过能量回收装置对空气余压所携带的能量进行接收并转化为机械能，进而驱动氢气循环泵工作，一来可对空气余压中的能量进行回收处理，提高能源利用效率，避免了额外的能量损失，二来可以实现氢气循环泵与空压机之间的联动工作，从而实现燃料电池整体能源管理的优化。

一种耦合环境、老化、故障的燃料电池系统风险量化方法

Nº publicación: CN121260852A 02/01/2026

Solicitante:

南京航空航天大学

Resumen de: CN121260852A

本发明公开了一种耦合环境、老化、故障的燃料电池系统风险量化方法，建立环境、老化、故障三种不利因素对系统的共同作用机制，确定三种不利因素共同影响下的系统风险大小，包括：建立工作环境对系统性能的影响函数fenv；建立电堆老化对系统性能的影响函数fde；建立系统故障对系统性能的影响函数ffault；三类因素间的相互影响定义，通过三类因素对系统性能的耦合影响分析，对燃料电池系统风险进行量化分析。本发明能够有效克服现有研究的局限，为燃料电池在复杂运行环境和关键应用场景下的安全性、可靠性与寿命预测提供技术支撑。