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588
resultados
Última actualización
12/12/2025 [06:52:00]
Resultados 25 a 50 de 588
Resumen de: EP4661119A1
A method of production of layered composite material packs for use as an electrode by a material bonding process, comprises:• stacking multiple material layers to be bonded on top of each other forming a pack (3),• assembling several packs (3) on top of each other for forming a stack (8), with placing inert interface plates between adjacent packs (3), such that each pack (3) in the stack (8) being separated by an inert interface plate,• placing inert interface plates on the top and the bottom of the stack (8),• placing the stack (8) in between a top (5) and a bottom (4) plate and connecting the top (5) and bottom (4) plates with constraining fixtures (6) for forming a rack (16), whereas the material of the constraining fixtures (6) is so chosen that thermal expansion coefficient of the constraining fixtures (6) is smaller than a value of thermal expansion for the total of the stack (8),• pressing towards each other the top plate (5) and the bottom plate (4) to apply an initial pressing force for bringing all material layers of each pack (3) into firm contact with each other,• placing the rack (16) into a furnace,• heating up the furnace to a bonding temperature for applying heat to the rack (16) with a heating rate between 0.1K/min and 35K/min and applying a connecting pressure due to the difference in thermal expansion coefficients of the stack (8) material and the constraining fixtures (6),• holding the bonding temperature for a predetermined holding time to
Resumen de: EP4661120A1
Die Erfindung betrifft eine Montagevorrichtung zur Montage eines Brennstoffzellen-Stacks (2), umfassend einen ersten Arbeitsbereich (11), in welchem Stack-Bauteile (20) zu einem Stack in einer Stapelhilfe (4) gestapelt werden, einen zweiten Arbeitsbereich (12), in welchem im ersten Arbeitsbereich (11) zum Stack gestapelten Stack-Bauteile (20) mit einer Grundplatte (21) und einem Deckel (22) zu einem Brennstoffzellen-Stack (2) gepresst und fixiert werden, und einen Dreh-Hub-Tisch (3) mit einer Hubvorrichtung (30) und einer Drehachse (31), welche zwischen dem ersten Arbeitsbereich (11) und dem zweiten Arbeitsbereich (12) angeordnet ist und welcher für eine 180°-Drehung eingerichtet ist, um die gestapelten Stack-Bauteile (20) vom ersten Arbeitsbereich (11) zum zweiten Arbeitsbereich (12) zu fördern.
Resumen de: EP4661121A1
Die Erfindung betrifft ein Verfahren zur Handhabung eines flächigen Stackbauteils (2) eines Brennstoffzellenstacks vor einer Montage in den Bennstoffzellenstack, umfassend die Schritte: Auflegen des flächigen Stackbauteils (2) auf eine Auflage, wobei das Stackbauteil (2) eine Vielzahl von Öffnungen (20) an einem Rand (21) des Stackbauteils (2) aufweist, Aktivieren einer Spreizvorrichtung (3), wobei ein Positionieren von mehreren Spreizelementen (30) der Spreizvorrichtung (3) derart erfolgt, dass in mehreren Öffnungen (20) des Stackbauteils (2) mindestens ein Spreizelement (30) angeordnet ist, und Bewegen der Spreizelemente (30) in den Öffnungen (20) des Stackbauteils (2) derart, dass das Stackbauteil (2) gespannt wird, so dass das Stackbauteil (2) in einer Ebene ausgerichtet ist.
Resumen de: EP4661118A1
The disclosure relates to a method for filling a coolant to a coolant circuit (2) of a fuel cell system (1), the method comprising:- filling (S1) coolant to the coolant circuit (2),- during filling coolant to the coolant circuit (2), controlling (S2) a fluid pressure in at least one gas path (41, 42) of a fuel cell stack (3) of the fuel cell system (1). The disclosure also relates to a device (100) for filling a coolant to a coolant circuit (2) of a fuel cell system (1), to a fuel cell system (1) and to a vehicle (200)
Resumen de: EP4661117A1
The invention relates to a membrane electrode assembly (100). The membrane electrode assembly (100) comprises a catalyst coated membrane (CCM) member (110) with a polymer membrane (111) that is at least partially coated with a catalyst coating (112, 113), a frame member (140), two fluid distribution layers (121, 122) and an adhesive layer (150). The CCM member (110), the adhesive layer (150) and the frame member (140) are stacked in a stacking direction (SD). The fluid distribution layer (121, 122), which is arranged on the same membrane side (S1, S2) as the frame member (140), is arranged laterally inwards of an inner edge of the frame member (140) and so that the fluid distribution layer (121, 122) overlaps the adhesive layer (150) and the CCM member (110). The adhesive layer (150) forms an adhesive bond between the CCM member (110), the frame member (140) and said fluid distribution layer (121, 122). The frame member (140) extends from the adhesive layer (150) in the stacking direction (SD) beyond said fluid distribution layer (121, 122). With this configuration, the frame member (140) can provide a sealing surface (144) in a stack and thus, can function as a seal for the membrane electrode assembly (100). The sealing function can be improved by providing the frame member (140) at least partially from a material for sealing. For instance, the frame member (140) can be made entirely of a seal material or may comprise at least a seal layer (1433) made of a seal material. The
Resumen de: AU2024214099A1
The present disclosure relates to patterned anion exchange membranes comprising cross-linked segments and non-crosslinked segments. The present disclosure further relates to methods of manufacturing of the patterned anion exchange membranes, as well as electrochemical devices comprising the disclosed patterned anion exchange membranes.
Resumen de: AU2024214812A1
The present disclosure relates to a membrane electrode assembly comprising a support and a catalyst/ionomer layer, said catalyst/ionomer layer comprising a cross-linked ionomer. The present disclosure further relates to methods of manufacturing the membrane electrode assemblies, as well as electrochemical devices comprising the disclosed membrane electrode assemblies.
Resumen de: WO2024161241A1
The invention relates to a system for solid-state electricity storage and solid-state electricity generation that allows electricity to be stored when the renewable energy sources produce excess electricity and electricity to be generated when the electricity demand on the market exceeds the electricity production from renewable energy sources. The system comprises a solid-state electricity storage device (1) having a first electrolysis device (6) for producing chlorine from a melt of zinc chloride and solid zinc, a second electrolysis device (8) for producing hydrogen from water, a first reactor (10) for producing hydrogen chloride, and a vessel (13) with a water sprayer (14) for producing hydrochloric acid. The system further comprises a solid-state electricity generation device having a second reactor for reacting zinc and hydrochloric acid to produce hydrogen and a fuel cell for generating electricity.
Resumen de: CN120604365A
Systems, methods, and products are described that involve a set of calender rollers positioned adjacent to a set of embossing or cutting or combining rollers, but without a heating unit disposed therebetween. The produced embossed or cut graphite-based webs with bipolar plate structures can be manufactured at reduced cost and with improved quality.
Resumen de: WO2024161280A1
An electrochemical device with a modular stack cell structure has, at one end, a cathode plate (h1) and, at the other end, a cathode plate (h2), two electrolyte membranes (ccm), and an anode plate (2a ) between the electrolytic membranes (ccm) which are arranged in a sandwich on the sides of the anode plate (2a). The cathode plates (h1, h2) include gas collection chambers (60) connected to each other via passages (61) and connection channels (16), and communicating with the outside via a hydrogen manifold (15). The anode plate (2a) has a serpentine channel (20) closed laterally by the electrolytic membranes (ccm) and communicating with the outside via an inlet manifold (21) and an outlet manifold (22).
Resumen de: CN120513530A
The invention relates to a method for producing a bipolar plate (1), comprising two electrically conductive individual plates (1a, 1b), each of which is formed from a polymer-graphite composite material, comprising the following steps: providing the two individual plates (1a, 1b); providing an annular strip of metal sheet (2); placing a strip (2) of sheet metal between the two individual plates (1a, 1b) in the peripheral region of the individual plates (1a, 1b); and-fusing the sheet metal strip (2) into adjacent surfaces (3a, 3b) of the individual plates (1a, 1b), the two individual plates (1a, 1b) being connected to each other in the region of the sheet metal strip (2) in a fluid-tight and electrically conductive manner. The invention also relates to a bipolar plate (1) and an electrochemical cell (10).
Resumen de: MX2025005166A
A centrifugal blower system comprising a series of blower units, each blower unit in the series comprising a casing having an axial inlet and a radial outlet, an impeller disposed within the casing for drawing a gaseous medium at a first pressure into the axial inlet and expelling gaseous medium at a second higher pressure through the radial outlet and a motor for driving the impeller; and, a duct connecting the radial outlet of at least one blower unit in the series of blower units with the axial inlet of at least one other blower unit in the series of blower units, wherein the axial inlet of the at least one blower unit in the series of blower units is positioned substantially opposite to the axial inlet of the at least one other blower unit in the series of blower units.
Resumen de: CN121097158A
本发明公开了一种余热循环型氢燃料电池发电系统，属于燃料电池技术领域。该发电系统采用堆叠式电堆结构，通过风冷或液冷散热模块将电堆产生的废热回收利用：风冷方案通过风扇将空气经电堆散热孔吹入风冷出风集气管路，经余热回收管路将加热后的空气作为阴极反应气体重新输入电堆；液冷方案则通过换热冷排将冷却液热量转换为热空气供给阴极，系统设置了可分区控制的自动控制阀，实现对电堆不同区域的独立温控。此外，采用弹性安装的第二压板设计缓解热胀冷缩应力。本发明利用余热循环显著降低阴极与阳极气体温差，提升电堆输出功率和一氧化碳耐受性，避免了额外预热装置的配置，具有温度均匀性好、能量利用率高、结构可靠等优点。
Resumen de: CN121097148A
本申请公开了一种膜电极、燃料电池及其应用，涉及膜电极技术领域。上述膜电极包括依次层叠设置的阳极气体扩散层、阳极催化层、质子交换膜、阴极催化层和阴极气体扩散层；其中，质子交换膜为磷酸掺杂聚苯并咪唑膜；阳极催化层含有阳极催化剂、第一粘结剂和第一表面活性剂；阴极催化层含有阴极催化剂、第二粘结剂和第二表面活性剂；阴极催化剂为碳负载铂催化剂、碳负载钯催化剂、碳负载钌催化剂、碳负载铂钌催化剂中的至少一种。本申请通过对膜电极的材料进行选择，解决了乙醛生产的安全性低、环境污染高以及能耗高的问题。
Resumen de: CN121097153A
本发明涉及燃料电池领域，尤其涉及一种高性能质子交换膜及其制备方法。本发明制得的质子交换膜以磺化聚苯并咪唑为主链，首先接枝MOFs纳米颗粒，之后通过溶胶‑凝胶法结合磷酸锆前驱体形成SPBI/ZrP‑MOFs杂化溶胶，再通过掺杂动态二硫键以及利用紫外光引发交联反应进而构建三维互穿结构，之后流延法成膜，最后增设磺酸化COFS涂层。本发明通过有机‑无机多相协同与工艺创新，实现高温下兼具低溶胀率、高磷酸保持率和长期化学稳定性，以突破现有技术的性能瓶颈。
Resumen de: CN121097152A
本发明公开了一种具有梯度功能层的质子交换膜及其制备方法。所述质子交换膜包括从下至上依次聚苯并咪唑基层、Al2O3层、表面垂直排列生长的碳纳米管阵列、孔径梯度分布的磺酸化共价有机框架阻氢层，以及疏水改性SiO2表面钝化层，所述磺酸化共价有机框架阻氢层的共价有机框架孔道内以及碳纳米管表面固载有磷酸分子。本发明通过PECVD在全氟磺酸树脂表面生长垂直碳纳米管阵列，结合ALD沉积Al2O3中间层保护基底，并通过依次浸渍较大孔径SA‑TFP COF和较小孔径SO3H‑COF‑300/SO3H‑COF‑316溶液形成阻氢层，利用尺寸筛分效应抑制氢气渗透，以及磷酸溶液活化与梯度退火工艺分段处理，本发明有效增强质子传导率、界面化学交联密度、降低氢气渗透率，且具有较强的高温稳定性。
Resumen de: CN121097125A
本发明提供了一种氢燃料电池系统排水控制方法、系统、终端和介质，该方法包括：获取氢燃料电池系统的标准系统参数；根据预设的产水量算法和标准系统参数，得到氢燃料电池系统产生的标准产水量；根据预设的蒸发水量算法和标准系统参数，得到氢燃料电池系统在蒸发水量；根据标准产水量和蒸发水量，得到标准容水量；当氢燃料电池系统的当前运行水温低于预设的标准运行水温，基于氢燃料电池系统的极性侧和标准容水量从预设的可选排水控制策略中选择目标排水控制策略，从而基于目标排水控制策略进行排水。通过动态地配合满足氢燃料电池系统的排水需求，避免发生水淹，提高氢燃料电池系统排水的可靠性。
Resumen de: CN121086113A
本发明公开了一种液体四元乙丙橡胶的制备方法和应用，方法包括：将乙烯、丙烯和正己烷加入到反应釜，升温后再加入环状烯烃和羟基烯烃，以及将茂金属催化剂、助催化剂和分子量调节剂预混合后加入到反应釜反应3h后，加入异丙醇停止反应，脱出单体，得到带羟基四元乙丙橡胶，并测定的羟基含量；向反应釜加入二甲苯，冷却，加入对苯二酚；向反应体系缓慢滴加甲基丙烯酰氯，维持温度为小于10℃，并同步滴加三乙胺，滴加完毕后，升温反应4h，经过滤、去除杂质和溶剂、真空干燥，得到液体四元乙丙橡胶。实现密封胶快速成型，有效解决传统密封胶装配工艺复杂而难以适应液流电池对电堆升级需求的问题。
Resumen de: CN121097136A
本发明公开了一种PEM燃料电池的智能运行监测方法及装置，涉及智能监测技术领域；该方法包括通过对电压数据和温度数据预处理消除原始数据间量纲差异和数值范围干扰，再对预处理后的数据采用双路径分析策略：其一，通过数据故障分析得到第一故障率；其二：通过图像编码再展平重构操作代入轻量长短期网络模型得到第二故障率，最终根据第一故障率和第二故障率得到运行状态监测结果，由此从多维度评估运行状态，提高了运行监测的准确性。
Resumen de: CN121097233A
本发明提供具有阈值级电解质添加剂的耐用且无枝晶的水系锌电池和锌‑溴液流电池。这种阈值级电解质添加剂克服了锌阳极在温和酸性水系电解液中的固有问题。本发明以其进料量(5ppm)、累积容量(84.19Ah cm‑2)和电流密度(10mA cm‑2)创造了新的记录，显著超越了現有水系锌电池。
Resumen de: CN121097118A
本发明公开了一种适用于无人机的高功率风冷燃料电池电堆堆组，本发明涉及无人机技术领域，包括外箱，还包括：散热结构，所述散热结构设置于外箱的外壁，用于对无人机的高功率风冷燃料电池电堆堆组进行送风散热，并调节送风风向，安装结构，设置于外箱的外壁，用于将设备整体稳固安装于无人机上，连接结构，设置于外箱的下方，用于散热结构的连接与更换，该适用于无人机的高功率风冷燃料电池电堆堆组设置有散热结构，散热结构的调节部件优势显著，伺服电机驱动齿轮轴，经同步链条、同步齿轮带动调节板转动，可灵活调节送风风向，增强散热针对性，保障风道密封性，助力电堆堆组高效散热，适配无人机运行需求。
Resumen de: CN121087578A
本发明属于功能涂层技术领域，具体涉及一种阻铬涂层及其制备方法和应用，包括：S1、将基体使用镍阳极在含有镍铝颗粒的镍复合镀液中进行第一复合电沉积，形成镍铝镀层；S2、使用钴板在含有四氧化三锰颗粒的钴复合镀液中进行第二复合电沉积，形成钴基四氧化三锰镀层；第二复合电沉积的镀液温度T2大于第一复合电沉积的镀液温度T1，第二复合电沉积的电流密度J2小于第一复合电沉积的电流密度J1；S3、在1000℃‑1080℃真空热处理1h‑2h，然后在700℃‑800℃下进行大气热处理1h‑3h。本发明能够有效降低金属连接件表面的铬元素扩散，提高电池稳定性和抗氧化性能，延长使用寿命，保持电池高效率，避免电池衰减。
Resumen de: CN121097112A
本发明属于燃料电池技术领域，具体涉及一种阴极开放式空冷燃料电池钛双极板。钛双极板由阴极侧单极板和阳极侧单极板焊接而成，阳极侧单极板设有阳极气体通道和阳极流场，阳极气体通道之间设有至少一个阳极侧加强筋，所有阳极侧加强筋将阳极气体通道分隔形成阳极多孔气体通道；阴极侧单极板设有阳极气体对空通道和阴极流场，阳极气体对空通道之间设有至少一个阴极侧加强筋，阳极气体对空通道周围设置闭合阴极密封槽，闭合环状阴极密封槽上设有阴极侧密封垫圈，阴极侧密封垫圈上设有至少一个支撑条。本发明解决了现有技术钛双极板加工存在的翘曲变形和阴极密封垫圈错位滑脱等密封问题，提高钛双极板装堆一致性，改善空冷燃料电池性。
Resumen de: CN121085337A
本发明公开了一种车辆废水处理方法、装置、设备、介质及产品。该方法包括：在车辆行驶的过程中，基于预设废水收集策略，收集车辆废水并导入至初级储水箱中，并对初级储水箱中的车辆废水进行净化处理，将纯净水存储至次级净水箱中；确定预测制氢量，并根据车辆运行状态、预测制氢量以及次级净水箱的水箱液位，确定是否满足电解条件，若是，则启动电解操作，以将纯净水转化为氢气；根据预测制氢量、车辆续航需求、预设里程、车辆电池电量以及预设电量，确定是否满足发电条件，若是，则启动发电操作，以对车辆进行供电。本发明的技术方案，可以对车辆废水进行有效循环利用，在环保的同时为车辆提供额外能源，延长车辆的续航里程。
Nº publicación: CN121097134A 09/12/2025
Solicitante:
滇西应用技术大学珠宝学院上海汉翱新能源科技有限公司
Resumen de: CN121097134A
本发明实施例公开了一种燃料电池堆的检测方法、装置、电子设备及存储介质，燃料电池堆的检测方法，应用于燃料电池堆，燃料电池堆包括第一区域和第二区域，第二区域围绕第一区域；燃料电池堆包括多个单体电池，单体电池包括位于第一区域的第一单体电池和位于第二区域的第二单体电池；检测方法包括：获取多个第一单体电池的电压不均匀系数；根据电压不均匀系数确定电压不均匀状态；获取多个第二单体电池的面内电压差；根据面内电压差确定面内电压差状态；根据电压不均匀状态和面内电压差状态判断燃料电池堆状态。采用本发明实施例提供的检测方法，提升对燃料电池堆的检测准确性和可靠性。
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