Resumen de: CN121439823A
本发明实施例涉及车辆技术领域,公开了一种燃料电池系统、控制方法以及车辆,该燃料电池系统包括:控制器、换热器、空调设备、第一固态储氢装置、散热装置、第一散热管路和第二散热管路;第一散热管路流经第一固态储氢装置和散热装置;第二散热管路通过第一膨胀阀与空调设备的冷凝器和压缩机连接且通过换热器与第一散热管路换热;控制器用于在第一固态储氢装置加氢过程中,控制空调设备制冷,以及第一膨胀阀导通;控制散热装置散热以带动第二冷媒降温带动第一固态储氢装置降温。应用本发明的技术方案,能够通过空调设备和散热装置协同或单独作用,提升加氢过程中的散热控制的灵活性。
Resumen de: CN121439991A
本发明涉及金属燃料电池领域,公开了一种应急铝空气电池照明棒,包括照明单元、电池单元和注液单元,电池单元包括壳体,壳体内设有反应腔,壳体顶部设有密封盖,密封盖上设有防水透气结构,反应腔内设有负极板,负极板外侧设有空气电极,空气电极外侧设有格栅,负极板和空气电极之间设有电解液袋,负极板、空气电极和照明单元之间通过导线连接且连接处设有密封防腐件;注液单元包括推杆和撞针,推杆滑动连接在壳体底部,撞针固定在推杆上,壳体底部开有与反应腔连通的注液孔,注液孔内密封有密封塞,推杆连接有限位组件。本发明能够解决现有技术中电解液易渗漏、输出功率低和电路易接触不良的问题。
Resumen de: CN121439826A
本发明公开了一种耦合热泵冷却与储湿器加湿的质子交换膜燃料电池系统及运行方法,包括质子交换膜燃料电池堆、空气供给组件、热管理组件、氢气供给回路和电输出回路。系统工作时,空气供给组件中两台可切换运行的储湿器交替处于吸附取水与脱附加湿状态。处于吸附取水状态的储湿器利用一次流侧固体干燥剂对电池堆阴极的高温高湿排气进行吸附取水,同时其二次流侧通入冷却空气强化吸湿并回收余热,随后被加热的冷却空气进入处于脱附加湿状态的储湿器一次流侧进行固体干燥剂水分脱附而完成空气加湿,产生的湿热空气最终供给阴极。本发明实现了系统水热管理的精准主动调控和热湿高效回收利用,提高能源和水资源利用效率,有效增强系统紧凑性与适应性。
Resumen de: CN121439816A
本发明提供一种铂基合金催化剂及其制备方法与质子交换膜燃料电池,涉及微纳米材料制备技术领域,该催化剂制备方法包括:将介孔碳材料、过渡金属前驱体、铂前驱体和溶剂混合,搅拌反应后,得铂基合金前驱体;在还原气氛下,将铂基合金前驱体热处理,得铂基合金催化剂。过渡金属前驱体包括镉前驱体,以镉前驱体中Cd的物质的量为a,铂前驱体中Pt的物质的量为b,过渡金属前驱体中总金属的物质的量为c,a:(b+c)=(8~13):100;铂前驱体中Pt与过渡金属前驱体中总金属的摩尔比为1:(0.9‑1.1)。本发明铂基合金催化剂制备方法具有普适性,可通过过渡金属镉的掺杂制备多种高颗粒密度的铂基有序合金催化剂,且方法简单。
Resumen de: CN121439837A
本发明提出了一种燃料电池内部多相温估计方法、系统、设备及存储介质,属于燃料电池技术领域;包括如下内容:S1:将固体氧化物燃料电池分为5个顺次相连的节点,每个节点均包括阳极、电解质和阴极;S2:获取不同节点气体温度的变化率、内部电极及阳极气体出入口温度的变化率,构建SOFC内部温度状态空间方程;S3:设计级联观测器,所述级联观测器包括前级观测器和后级观测器,前级观测器采用滑模管道限制算法粗调观测值,后级观测器采用滑模超螺旋算法微调前级观测器的粗调观测值,输出SOFC内部节点多相温度。
Resumen de: CN121439830A
本申请涉及一种空气压缩机的控制方法、装置、车辆及电子设备,涉及车辆技术领域,旨在解决如何提升空气入堆压力的准确性的技术问题,空气压缩机设置于燃料电池的电堆的空气进气管路中,空气压缩机的控制方法包括:基于所述空气压缩机的转速和流量,确定所述电堆的空气入堆压力;基于所述空气进气管道中的流阻,修正所述空气入堆压力,得到目标空气入堆压力;基于所述目标空气入堆压力和所述电堆的入口端设置的压力传感器测量的实际空气入堆压力,控制所述空气压缩机。本申请依据空气进气管路存在流阻会影响空气入堆压力,通过计入这一流阻因素进行修正,可使目标空气入堆压力的数值更精准。
Resumen de: CN121439860A
本申请涉及一种具有管段式衬套结构的电催化反应器及其系统,外层管包括外管壁、第一集流体层和第一催化层;外层管沿第一方向延伸;第一集流体层设置于外管壁靠近内层管的一侧;第一催化层设置于第一集流体层背离外管壁的一侧;内层管包括电池隔膜组件、内层多孔管壁、第二集流体层和第二催化层;内层多孔管壁沿第一方向延伸;电池隔膜组件由内层多孔管壁支撑的离子导电聚合物隔膜构成,或由离子导电聚合物树脂填充的内层多孔管壁构成;第二集流体层设置于电池隔膜组件背离所述第一催化层的一侧;第二催化层设置于第二集流体层背离电池隔膜组件的一侧。至少能够优化电解液与电极的接触方式,提高系统的电化学反应效率和能量效率。
Resumen de: CN121439858A
本发明公开了一种可逆充放电联产乙醇酸的液流电池及其构建方法,液流电池以充电负极催化剂与含草酸的充电负极电解液组成充电负极模块;以放电负极催化剂与含乙二醇的放电负极电解液组成放电负极模块;以惰性催化剂作与含有氧化还原离子对的正极电解液组成液正极模块;正极模块置于充电负极模块和放电负极模块之间,且与两者之间均设置隔膜。本发明能够在液流电池储放能的过程中生产聚乙醇酸可降解塑料的前体分子乙醇酸,通过高附加值化学品的同步生产显著降低储能成本;将乙二醇和草酸升值反应替代液流电池负极电解质,降低液流电池初装的电解质成本;将具有低氧化电位的乙二醇底物引入作为放电负极,有效拓宽液流电池的放电窗口。
Resumen de: CN121432228A
本发明公开了一种燃料电池电压检测装置、系统及汽车,涉及燃料电池技术领域,所述燃料电池电压检测装置包括:至少一组检测模块、控制模块,每组所述检测模块均包括:采集单元和隔离单元,所述采集单元与燃料电池连接,所述采集单元通过所述隔离单元与上一个所述采集单元或所述控制模块连接,所述采集单元还通过所述隔离单元与电源连接,每一组所述检测模块均通过所述隔离单元进行单独的电气隔离,减小了隔离电源的功率和体积,避免了隔离电源发热,且避免了所述检测模块之间相互干扰,提高了所述检测模块的抗干扰性能。
Resumen de: CN121439817A
本申请公开了一种铂基催化剂及其制备方法、膜电极组件及其制备方法和燃料电池,涉及电池技术领域,所述铂基催化剂包括铂基纳米核和包覆于所述铂基纳米核至少部分表面的疏水层,所述疏水层包括带有疏水基团的硫醇。本申请提供的铂基催化剂能够抑制Pt表面致密层的形成以及解决Pt表面水管理问题,以此能够降低Pt/ionomer界面的氧传输阻力,进而提高低铂膜电极在高电流密度下的性能。
Resumen de: CN121439854A
本发明公开了一种纳米氧化铈复合质子交换膜及其制备方法与应用,该制备方法包括以下步骤:先将可溶性铈盐溶液喷雾雾化后,在氧化气氛下进行热解,制得纳米氧化铈颗粒;然后将其加入全氟磺酸树脂溶液中,调节pH值呈碱性,搅拌,制得复合树脂溶液;经浇铸、干燥成膜、热处理,制得。本发明采用喷雾热解法制备纳米氧化铈颗粒,相对于传统的溶胶‑凝胶法制备的纳米氧化铈颗粒,更易在全氟磺酸树脂基体中均匀分散,不易团聚,成膜后保持全氟磺酸的基本结构。同时,本发明在碱性条件下,将纳米氧化铈颗粒分散于全氟磺酸树脂溶液中,不仅提高了复合质子交换膜的化学稳定性和耐久性,而且提高了复合质子交换膜的质子电导率。
Resumen de: WO2025008213A1
The present invention relates to a catalyst layer (34, 36) for a fuel cell (10). The catalyst layer (34, 46) comprises a catalyst substrate material (62), a catalyst material (66) which is arranged on the catalyst substrate material (62), and an admixture (80). The admixture (80) has a selective distribution (81) over the thickness (d) of the catalyst layer (34, 46).
Resumen de: CN121439856A
本发明公开了一种全时产氢耦合醛类氧化的开路液流电池及其构建方法,包括:充电模块和放电模块,可在放出电能的基础上实现醛类底选择性氧化为高附加值化学品并生产氢气;在充电时能够在将电能储存的时生产氢气。本发明在液流电池的充放电过程中耦合了高附加值化学品的生产,并能够在充电和放电过程中均生产氢气,实现液流电池运行全时产氢,显著降低储能成本;将具有极低氧化电位的醛类有机底物引入作为放电模块,有效拓宽液流电池的放电窗口,降低液流电池的电解质成本。
Resumen de: CN121439853A
本申请公开了一种质子交换膜及其制备方法和燃料电池,涉及电池技术领域,所述质子交换膜包括中间层和包覆于所述中间层至少部分表面的保护层,所述中间层包括磺化聚醚醚酮聚合物,所述磺化聚醚醚酮聚合物中掺杂有负载离子液体的金属有机框架材料,所述保护层包括磺化类石墨相氮化碳。该质子交换膜兼具高质子传导率与优异抗溶胀性能。
Resumen de: CN121439827A
本申请公开了一种电热氢联产供系统的能量管理控制系统及方法,涉及能量管理领域,包括:包括冷却系统和储能系统,冷却系统由冷水机、纯水机、阀门及换热器组成,为电解制氢纯化装置和电源提供冷却,实现循环降温;储能系统由循环水箱、生活水箱及多组阀门构成,用于回收燃料电池发电产生的热量,实现储能的目的。本申请基于对电热氢联产供系统在不同工作模式下的能量管理控制策略提高了能源的利用效率。
Resumen de: CN121439842A
本发明涉及一种燃料电池系统的冷却路温度控制方法、装置、设备及介质,其中,方法包括:获取燃料电池系统的电堆入口温度和电堆出口温度;根据电堆入口温度和电堆出口温度确定目标控制量和/或目标温差;根据目标控制量和/或目标温差确定当前温控策略,并根据当前温控策略进行温度控制,由此,解决了相关技术中因无法保证在极高温和极低温下的信号采集精度,导致的燃料电池系统的冷却路无法在极高温和极低温情况下实现精确温度控制的问题,提升了燃料电池系统的冷却路温度控制的适用范围与控制精度。
Resumen de: CN121427046A
本发明公开了一种冠醚基共价有机聚合物,是作为混合基质膜填充物的理想材料之一,制备的冠醚基共价有机聚合物混合基质膜,表现出了优异的电化学性能以及稳定性,具有良好的普适性,在液流电池中的应用具有重大意义。
Resumen de: WO2025005288A1
This carbon material for a catalyst carrier of a solid polymer fuel cell comprises a porous activated carbon black satisfying the following requirements (A) and (B). (A) The BET specific surface area SBET obtained by a BET analysis of a nitrogen gas adsorption isotherm is 400-1200 m2/g. (B) In a mercury porosimetry, when the difference between the mercury absorption amount (mL/g) at 10 MPa mercury insertion pressure and the mercury absorption amount (mL/g) at 100 MPa mercury insertion pressure after applying pressure to the porous activated carbon black at a pressure of 100 MPa with a mold and said difference before applying pressure to the porous activated carbon black at a pressure of 100 MPa with a mold are represented by ΔVfin and ΔVini, respectively, the ratio ΔVfin/ΔVini is 0.75-0.95.
Resumen de: WO2026024690A1
A redox flow battery includes a semi-solid catholyte including a conjugated heterocyclic carbenium compound and a first electroconductive active carbon; and a semisolid anolyte including a conjugated heterocyclic carbenium compound and a second electroconductive active carbon, wherein the first oxidation state is a higher oxidation state than the second oxidation state. A redox flow battery includes a semi-solid catholyte including a radical dication of a conjugated heterocyclic carbenium compound and a first electroconductive active carbon; and a semi-solid anolyte including a neutral radical of the conjugated heterocyclic carbenium compound and a second electroconductive active carbon.
Resumen de: DE102024207015A1
Die Erfindung betrifft ein Verfahren zum Betreiben eines Brennstoffzellensystems (100), insbesondere eines mobilen Brennstoffzellensystems, umfassend einen Brennstoffzellenstapel (101) mit Medienkanäle, welche vor dem Abstellen des Brennstoffzellensystems (100) durch Beaufschlagung mit Luft aus einem Luftpfad (10) getrocknet werden. Vor dem Abstellen wird die Temperatur T_K eines Kühlmittels in einem Kühlkreis (30) erfasst wird und in Abhängigkeit von der Temperatur T_K die Trocknungsdauer dt angepasst.Die Erfindung betrifft ferner ein Steuergerät für ein Brennstoffzellensystem (100).
Resumen de: WO2026023454A1
An electrochemical cell (10) is obtained by laminating an air electrode (12), a solid electrolyte layer (11) containing a solid electrolyte, and a fuel electrode (13) in the stated order. An intermediate layer (17) is provided between the air electrode (12) and the solid electrolyte layer (11) and/or between the fuel electrode (13) and the solid electrolyte layer (11). The solid electrolyte layer (11) has a main phase composed of an oxide ion conductor. At least one of the intermediate layers (17) includes a first component constituted of cerium oxide containing a rare earth element other than cerium, and a second component constituted of an oxide ion conductor different from the first component. The substance amount of zirconium in the intermediate layer (17) is 10 mol% or less based on total substance amount of all metal elements in the intermediate layer (17).
Resumen de: WO2026020846A1
A Pt-Cu hydrogel enzyme-free electrochemical sensor for glucose, and a preparation method therefor and the use thereof. The preparation method comprises: (1) preparation of a Pt-Cu hydrogel, involving: dissolving H2PtCl6 and CuCl2 in water to form a first solution, dissolving a weak reducing agent and sodium carbonate in water to form a second solution, mixing the first solution and the second solution to obtain a mixture, performing an ultrasonic treatment on the mixture, leaving same to stand at 60-80°C for a first period of time, then cooling the solution to room temperature, adding NaBH4, then leaving same to stand at 30-50°C for a second period of time, finally leaving same to age and stand at room temperature for at least 24 h, and then washing same to obtain the Pt-Cu hydrogel; and (2) placing the Pt-Cu hydrogel on an electrode, and immobilizing same, so as to obtain a Pt-Cu hydrogel enzyme-free electrochemical sensor for glucose. The sensor can achieve the enzyme-free detection of glucose in a neutral serum environment, with the detection range being 0-6 mM, which falls within the required linear detection range for the physiological concentration of glucose in a human body; moreover, the consumption of energy is reduced.
Resumen de: US20260031368A1
The present disclosure relates to a bipolar plate for an electrochemical system and an electrochemical system comprising a stacked plurality of such bipolar plates as well as a method for the production of such bipolar plates. The electrochemical system may be a fuel cell system, an electrochemical compressor, an electrolyzer, or a redox flow battery. The bipolar plate comprises a first separator plate and a second separator plate connected to each other which delimit an inner space. Each separator plate has an inner side with an inner coating and an outer side with an outer coating. Fluid guide structures are molded into an electrochemically active region of each separator plate by shaping of the respective separator plate. The inner coating extends along the electrochemically active region and has defects at least in some regions. The outer coating extends along the electrochemically active region and has a substantially uniform surface texture.
Resumen de: US20260031367A1
This carbon sheet includes at least a carbon fiber structure formed from carbon fibers, a binding agent, and graphite particles, wherein in a pore diameter distribution of the carbon sheet, the ratio of the volume of a second peak present in a region having a pore diameter of 0.5 μm to 3 μm to the volume of a first peak present in a region having a pore diameter of 20 μm to 100 μm is 0.06 to 0.50. A carbon sheet which suppresses dry-up and achieves both conductivity and retention of moisture is provided in order to exhibit high power generation performance in a solid polymer fuel cell.
Nº publicación: US20260031365A1 29/01/2026
Solicitante:
WEST VIRGINIA UNIV [US]
West Virginia University
Resumen de: US20260031365A1
In one aspect, the disclosure relates to method of forming an electrocatalyst structure on an electrode, comprising depositing a first layer on the electrode using atomic layer deposition (ALD), wherein the first layer comprises a plurality of discrete nanoparticles of a first electrocatalyst, and depositing one or more of a second layer on the first layer and the electrode using ALD, wherein the one or more second layer comprises a second electrocatalyst, wherein the first layer and the one or more second layers, collectively, form a multi-layer electrocatalyst structure on the electrode. Also disclosed are electrodes having a multi-layer electrocatalyst structure. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.