Pilas de combustible

一种水箱内部装配焊接滤网结构

Resumen de: CN224506503U

本实用新型涉及汽车零部件领域，具体公开了一种水箱内部装配焊接滤网结构，包括膨胀水箱，膨胀水箱包括大壳体和小壳体，大壳体和小壳体内均设置加强结构，加强结构上设置若干缺口，大壳体上设置进水口和出水口，靠近出水口侧的加强结构上设置滤片插槽，滤片插槽内设置滤片，通过在膨胀水箱内设置滤片，当水液进入到膨胀水箱内时，部分树脂碎屑会在膨胀水箱内沉淀，大部分树脂碎屑会在出水口处的滤片被阻拦，使得树脂碎屑不会进入到冷却管路中，使得管路中的水流顺畅，不会出现流阻的问题。

一种多层梯度增强型质子交换膜的制备方法及其产品

Resumen de: CN122417964A

本发明属于质子交换膜技术领域，具体涉及一种多层梯度增强型质子交换膜的制备方法及其产品。包括对基膜进行清洁预处理；制备氮/钨基铂黑催化剂并配制含催化剂的PFSA树脂浆料；通过狭缝涂布在e‑PTFE膜两侧，制得质子传导层；对PEEK膜进行紫外光照和TiO2溶胶包覆，形成机械增强层；将各功能层通过PFSA树脂粘合组装成“三明治”结构，经低温梯级烘干和高温退火，再经离线活化，得到多层梯度增强型质子交换膜。

一种燃料电池的集流板结构及燃料电池

Resumen de: CN224519881U

本实用新型公开了一种燃料电池的集流板结构及燃料电池，涉及燃料电池技术领域，包括集流板，还包括在垂直于集流板平面的方向设置有至少两个引出柱，其各自位于两个或多个所述引出柱之间中线所划分区域的中心，本设计采用多个引出柱垂直增加分布于集流板的区域中心，使电流从引出柱根部360度均匀流入/流出，缩短电流路径，降低体电流密度，消除电流瓶颈点，减少电压损失及发热，此外，引出柱垂直于集流板平面引出，可以有效避免与侧面结构件发生空间冲突，适配重型电堆的结构支撑需求。

PEM燃料电池温感检测装置

Resumen de: CN224519893U

本实用新型涉及燃料电池温度检测技术领域，具体公开了一种PEM燃料电池温感检测装置。包括壳体和线路板，壳体中开设有安装槽，安装槽中安装有热敏电阻，壳体两侧设置有压片槽，壳体底部设置有底胶，壳体两侧均设置有安装板，两个安装板上均等距开设有若干个连接孔，两个安装板侧壁上安装有弹性压片。本装置通过底胶配合弹性压片与连接孔、连接杆的设计，实现了快速粘贴与卡接组装，提升了安装效率，通过连接杆插入安装板不同连接孔可灵活调节弹性压片压力，确保装置稳固，保障温度检测准确，维护时仅需断开电路、移除底胶即可拆卸分离，便于检修。

燃料电池系统和车辆

Resumen de: CN224519880U

一种燃料电池系统和车辆，燃料电池系统包括箱体、盖体、DCDC转换器、继电器和连接件，盖体盖设于箱体，盖体与箱体共同围合有收容腔；DCDC转换器收容于收容腔，并安装于盖体；继电器收容于收容腔，继电器包括主体和触点，触点与主体连接并凸出于主体背向箱体的外表面，主体与盖体连接，连接件连接DCDC转换器和触点。本实用新型中的燃料电池系统能够避免继电器的触点在车辆振动时瞬间断开，同时降低触点熔焊或烧蚀的风险，能够保证继电器的正常使用，进而保证燃料电池系统能够持续正常供电。

一种氢燃料电池电堆

Resumen de: CN224519896U

本实用新型涉及电池电堆制备技术领域，本实用新型要解决的技术问题是密封效果差、铜排不可拆卸等。为了解决上述技术问题，本实用新型提供了一种氢燃料电池电堆。本实用新型包括：上盖连接在电堆本体的顶部；上盖上设有安装孔；上盖的上表面设有安装槽和第一密封槽；铜排的另一端穿过安装孔延伸至上盖之外；铜排密封盖安装在安装槽中；铜排密封盖的下表面设有施压凸起；铜排密封垫，安装在第一密封槽中；铜排密封垫的上表面设有与施压凸起配合的槽体；下压组件用于可拆卸连接铜排密封盖和上盖，下压组件用于驱动铜排密封盖向下移动，以压缩铜排密封垫。本实用新型能够实现铜排密封盖与上盖可拆卸连接的同时，提高密封效果以及密封的可靠性。

一种空气冷却燃料电池的测温结构

Resumen de: CN224519892U

本实用新型公开了一种空气冷却燃料电池的测温结构，涉及燃料电池技术领域，包括堆芯以及堆芯顶端和底端对称安装的端板，所述堆芯的一侧面安装有温度传感器，且堆芯的另一侧面安装有散热风机，且散热风机的外侧还安装有风罩；温度传感器位于堆芯的进风面处，所述散热风机位于堆芯的出风面处，本设计将温度传感器以可拆卸的方式固定在堆芯的进风面处，便于对堆芯进风面作定温控制，从而减小温度变化造成的交变应力，提升燃料电池的机械寿命，相较于传统埋设在散热风机处，本设计无需拆除风罩或散热风机，操作便捷，省时省力。

滤芯芯体、滤芯总成、进气系统和氢燃料电池

Resumen de: CN224506649U

本实用新型公开了一种滤芯芯体、滤芯总成、进气系统和氢燃料电池。属于燃料电池技术领域，该滤芯芯体包括滤布和多个活性炭板，滤布形成有多个吸附段和至少一个打折段，在滤布的长度方向上，多个吸附段间隔排布，相邻两个吸附段通过一个打折段相连，多个活性炭板与多个吸附段一一对应，活性炭板嵌设于对应的吸附段内，其中，滤布在打折段呈弯折形态，以使多个吸附段在活性炭板的厚度方向并排排布，可在有限的空间内提升滤布的长度，有利于提升滤芯芯体的过滤面积，并可提升滤芯芯体的容尘能力。

一种铝空气电池用的电解液箱

Resumen de: CN224519890U

本实用新型公开了一种铝空气电池用的电解液箱，通过在电解液箱主体内部设置有圆形凹坑，圆形凹坑输出端与出液口连接，所述出液口设置在电解液箱主体侧面的左下半部分，电解液箱主体侧面的右半部分上下错落设置第一回液口、第二回液口，所述第一回液口、第二回液口的水平位置高于出液口水平位置；所述电解液箱主体内部的倒角为圆角，使得电解液在排出与回流过程中，依靠初始速度带动电解液沿箱内壁自循环旋转，以及在重力作用下，向下运动，以此保证电解液温度、成分的均匀分布，电解液在电解液箱内的循环更好。

一种液流电池生产用电解装置

Resumen de: CN224519891U

本实用新型公开了一种液流电池生产用电解装置，属于液流电池生产技术领域，包括底座，所述底座的顶部固定连接有正极电解液存储罐与负极电解液存储罐，所述负极电解液存储罐位于正极电解液存储罐的相对侧，所述正极电解液存储罐与负极电解液存储罐之间放置有液流电池本体，所述正极电解液存储罐与负极电解液存储罐的内部均设置有流通机构，所述正极电解液存储罐与负极电解液存储罐的外壁均设置有出液组件；通过设置的流通组件，可以让电解液存储罐内部存放的电解液在注入液体电池之前进行预处理，让电解液流通起来，形成注射效果，让电解液重新混合在一起，使电解液中的电荷均匀分布，避免局部分布不均。

用于采集电化学系统的状态的方法和装置

Resumen de: WO2025215162A1

The invention relates to a method for detecting the state of an electrochemical system (1), in particular a fuel cell, by means of electrochemical impedance spectroscopy, wherein the electrochemical system (1) is excited by a current signal (I(t)) and a voltage response (V(t)) of the electrochemical system (1) is detected, wherein a plurality of predetermined sinusoidal signals (F1, F2, F3, F4) following a respective profile and each having a predetermined individual frequency (f1, f2, f3, f4), a predetermined amplitude (a1, a2, a3, a4) and a predetermined initial phase (φ1, φ2, φ3, φ4) are superimposed to form the current signal (I(t)), the respective impedances (Z1, Z2, Z3, Z4) for the individual frequencies (f1, f2, f3, f4) are determined from the current signal (I(t)) and the associated voltage response (V(t)), and the state of the electrochemical system (1) is determined from the impedances (Z1, Z2, Z3, Z4) of the individual frequencies (f1, f2, f3, f4).

金属分离板

Resumen de: WO2025183484A1

The present application relates to a metal separator and a manufacturing method therefor. According to the present application, the metal separator having excellent electrical conductivity and corrosion resistance and the manufacturing method therefor can be provided.

一种用于运行燃料电池系统的方法

Resumen de: WO2025132171A1

The invention relates to a method for operating a fuel cell system (100) comprising: at least one fuel cell stack (11) in which a plurality of stacked fuel cells are arranged; an anode system (200); and a cathode system (200), wherein a value of an operating characteristic of the fuel cell system (100) is determined, and, if the value of the operating characteristic of the fuel cell system (100) exceeds or falls below a threshold value, a first load point of the fuel cell system (100) is adapted to a second load point of the fuel cell system (100), wherein the current flow of the fuel cell stack (11) is higher at the second load point than at the first load point.

PEM燃料电池中流体分布的阻塞

Resumen de: GB2636806A

An end fuel cell assembly 10N has an anode face with a first end (18, Figure 3) having an anode outlet (315, Figure 3) fluidly connected to an anode inlet (325, Figure 3) across an anode face flow field (16, Figure 3). The end fuel cell assembly further includes an end plate 602 facing the anode flow field and a barrier limiting fluid flow to the anode flow field wherein the barrier reduces the volume of fluid in the anode flow field. The barrier may be an inlet barrier (326’, Figures 3 and 11) or an outlet barrier (316’, Figure 10). A further end fuel cell assembly 10A has a cathode face with a first end (18, Figures 5 and 8) having a cathode inlet (300, Figure 5) fluidly connected to a cathode outlet (320, Figure 5) across a cathode face flow field 14. The end fuel cell assembly further includes an end plate 604 facing the cathode flow field and an inlet stop (802, Figure 8) at the cathode inlet configured to limit fluid flow into a first cathode passage (340, Figures 5 and 8) wherein the inlet stop reduces the volume of fluid entering the cathode flow field.

燃料电池堆内的水分离器

Resumen de: GB2636803A

A fuel cell system includes means to separate water from the cathode exhaust stream that is integrated into a fuel cell stack for reducing its overall size. Fuel cell assemblies are compressed together to form a fuel cell stack 100, each fuel cell assembly comprising one or more frames supporting an MEA, a hydrogen outlet for collecting excess hydrogen from the anode side of the MEA, and a cathode exhaust outlet for collecting air and water from the cathode side of the MEA (figure 3). By aligning the cathode exhaust outlets of the fuel cell assemblies, a collection cavity 300 fluidly connected to each fuel cell assembly is formed in the fuel cell stack. A water outlet (170, figure 5A) is in fluid communication with the collection cavity, and a water collection ramp 252 fits within the collection cavity. Preferably, one or more water inlets are formed in each frame for supplying water to the cathode side of the MEA to provide cooling. The water collection ramp preferably comprises gutters (405, figures 6A-B) extending from at least one side thereof and may include a spine (410, figure 6B) and sawteeth (430, figure 6B) on opposing edges to encourage water flow.

燃料电池电堆中的内部水分离器

Resumen de: GB2636804A

A fuel cell system includes means to separate water from the cathode exhaust stream that is integrated into a fuel cell stack for reducing its overall size. Fuel cell assemblies are compressed together to form a fuel cell stack 100, each fuel cell assembly comprising a frame supporting an MEA, a hydrogen outlet for collecting excess hydrogen from the anode side of the MEA, and a cathode exhaust outlet for collecting air and water from the cathode side of the MEA (figure 3). By aligning the cathode exhaust outlets of the fuel cell assemblies, a collection cavity 300 fluidly connected to each fuel cell assembly is formed in the fuel cell stack. A water outlet 170 is in fluid communication with the collection cavity, and a water collection means 250 fits within the collection cavity. Preferably, one or more water inlets are formed in each frame for supplying water to the cathode side of the MEA to provide cooling. The water collection means preferably comprises a body portion (252, figures 7A-B) fitting within the collection cavity. A fan (410, figure 7B) or stator (400, figure 7A) may be provided in a head portion positioned within or outside the collection cavity.

燃料电池用分隔体

Resumen de: WO2025134867A1

This separator for fuel cells, which is obtained by molding a resin composition that contains a graphite powder having a cumulative particle diameter distribution d10 of 10-20 μm and a volume porosity of 12-30 cm3/100 g as measured by ASTM D6086 at a measurement pressure of 30 MPa, and an epoxy resin component containing a main agent, a curing agent, and a curing accelerator, is excellent in terms of hydrogen gas impermeability, electrical conductivity, and mechanical characteristics even if obtained by compression molding in a short time.

用于使流体均匀分配到燃料电池堆中的燃料电池的空气塑形工具

Resumen de: WO2025134012A1

By shaping the inlet air flow to be distributed to a plurality of fuel cells within a fuel cell stack by means of an air shaping insert (ASI) power output has been shown to be improved by over 6 times. Mass volume of air from the first fuel cell in the fuel cell stack to the last fuel cell in said stack is evened out by an ASI comprising a multi-vane airflow assembly configured to fit into a duct formed in a fuel cell stack, the assembly comprising a front face configured to receive airflow, a back wall of the front face configured to support a plurality of vanes, a plurality of vanes affixed at one end to said back wall and each having a free end, wherein said plurality of vanes have differing lengths measured from said backside and wherein one or more of the plurality of vanes have a curvature of their body configured to direct airflow in the duct.

具有布置有栅格的双极板的燃料电池及相关的制造方法

Resumen de: WO2025133097A1

The invention relates to a fuel cell comprising a first bipolar plate (BP1) provided with channels, a first electrode (AND) facing the channels of the first bipolar plate, a second bipolar plate (BP2) provided with channels, a second electrode (CTH) facing the channels of the second bipolar plate, and a central proton exchange membrane (MBN) arranged between the first electrode (AND) and the second electrode (CTH), characterized in that the fuel cell comprises at least one grid (GR1, GR2) which has a diamond pattern and is arranged on one of the first bipolar plate (BP1) and the second bipolar plate (BP2). The invention also relates to an associated manufacturing process.

显示装置、阻抗测定装置以及显示方法

Resumen de: WO2025135161A1

Provided is a display device capable of accurately grasping an operating state or performance evaluation of a measurement subject by utilizing a current-voltage characteristic graph or the like.　The display device comprises a processing unit 4 for causing a display screen to display at least one characteristic graph among: a current-voltage characteristic graph indicating the characteristic of a voltage value of a direct current voltage between terminals T1, T2 with respect to a current value of a direct current inputted/outputted through a measurement subject DUT1 via the terminals; a current-power characteristic graph indicating the characteristic of a power value of power inputted/outputted via the terminals with respect to the current value of the direct current that is inputted/outputted; and a current-impedance characteristic graph indicating the characteristic of the impedance of the measurement subject DUT1 with respect to the current value of the direct current that is inputted/outputted. When one measurement point among a plurality of measurement points on one characteristic graph displayed on the display screen is selected, the processing unit 4 displays, on the display screen, a Cole–Cole plot of the measurement subject DUT1 when a direct current of a current value corresponding to the selected measurement point is flowing.

燃料电池系统及紧急关断方法

Resumen de: WO2025131172A1

The invention relates to a fuel cell system (1) comprising a fuel cell stack (2) and a plurality of valves (6, 7, 8, 9) provided for the passage of operating media and reaction products of the fuel cell stack (2), at least one of these valves (6, 7, 8, 9) being in the form of a normally closed valve both on the anode side and on the cathode side.

平面燃料电池组件及其制造方法

Resumen de: WO2025122054A1

A current collector for a planar fuel cell assembly comprising a plurality of planar fuel cells, the current collector comprising a flexible foil of electrically non-conductive material comprising first and second patterns of electrically conductive material provided on a first and second side thereof, respectively. The first pattern connects the fuel cells in series when the flexible foil is folded over the fuel cells. The second pattern conveys the electrical energy generated in the planar fuel cells to an output terminal.

电化学电池组件

Resumen de: WO2025098597A1

The invention relates to an electrochemical cell assembly (10), comprising a first end plate (12), a second end plate and a stack (16) of cell units (18), wherein each cell unit defines an external perimeter, a housing (42) surrounding the stack to define or enclose a fluid volume (48), at least one electrically insulating member (98) being located between the housing and the external perimeters of the cell units and a positioning device (100) for the at least one electrically insulating member, comprising at least one positioning member (106) protruding from either the housing or one of the end plates into the fluid volume, wherein the at least one positioning member has a positioning surface interacting with the electrically insulating member for positioning the electrically insulating member relative to the housing and/or the end plates. The invention also relates to methods of manufacturing an electrochemical cell assembly.

电化学电池组件

Resumen de: WO2025098587A1

The invention relates to an electrochemical cell assembly (10), comprising an end plate assembly (12) and a stack (16) of cell units (18) comprising a plurality of cell units stacked upon one another along a stacking direction (20), wherein an internal fluid channel (22) is provided in the cell assembly for supplying fluid to each of the cell units, said fluid channel has a manifold section (36) extending through or along the stack of cell units in stacking direction and a supply section (38) adjoining said manifold section and being upstream of the manifold section, a cross-sectional area (42) of the supply section is at least locally smaller than a cross-sectional area (46) at an upstream end (44) of the manifold section (36).

挖掘机

Nº publicación: CN122422623A 17/07/2026

Solicitante:

川崎重工业株式会社

Resumen de: WO2025094471A1

This excavator includes: a rotating body that includes a cabin in which a driver's seat is disposed and that is rotatably provided to a traveling device; a hydrogen tank that disposed in the rotating body; a fuel cell that generates power by consuming hydrogen in the hydrogen tank; and a filling-use receptacle that is provided to the rotating body, that includes a filling port at a distal end, and that is connected to the hydrogen tank. The filling port is disposed, with respect to the rotating body, at a position higher than the bottom surface of the rotating body and lower than a seat surface of the driver's seat.