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623
resultados
Última actualización
19/03/2026 [06:50:00]
Resultados 350 a 375 de 623
Resumen de: EP4708408A1
A method for making a carbon-based catalyst involves synthesizing or obtaining particulate precursor material having heteroatoms dispersed in a structure formed by carbon atoms. An exfoliation process is performed on the particulate precursor material to delaminate layers of the particulate precursor material in the form of graphitic flakes or graphene-like flakes. In embodiments, the graphitic flakes or graphene-like flakes can be atomically thin sheets with interstitial and/or edge heteroatoms.
Resumen de: WO2024229266A1
An electrocatalyst ink composition is provided. The ink composition includes a liquid vehicle, particles with at least one electrocatalyst metal, and at least one compound having a phenolic moiety. In various embodiments, the compound comprising a phenolic moiety is resorcinol and the electrocatalyst metal is a platinum-bismuth alloy.
Resumen de: WO2024229230A2
A hybrid electrolyte comprises: (i) a first electrolyte having a first surface and an opposed second surface, wherein the first electrolyte comprises a solid state electrolyte material comprising an oxide, wherein the first surface is an acid-treated surface; and (ii) a second electrolyte comprising a liquid electrolyte, wherein the liquid electrolyte comprises an alkali metal salt and a solvent selected from the group consisting of electron pair donor solvents, and solvent mixtures including at least one electron pair donor solvent and at least one glyme solvent. The oxide can be a doped or undoped LLZO electrolyte material, and the acid can be selected from H3PO4 and HCI.
Resumen de: EP4708409A1
An interconnect for an electrochemical cell stack includes reactant holes that extend through the interconnect, and a reactant side including a reactant field containing reactant channels and reactant ribs that extend between the reactant holes, a peripheral seal surface that surrounds the reactant field and the reactant holes, recess seal surfaces disposed inside of the peripheral seal surface on opposing sides of the reactant field and recessed relative to the peripheral seal surface, and nest sidewalls that connect the recess seal surfaces to the peripheral seal surface. The nest sidewalls extend substantially perpendicular to the peripheral seal surface and to the recess seal surfaces. The nest sidewalls, the recess seal surfaces, and tops of the reactant ribs at least partially define a cell nest configured to receive an electrochemical cell. An air side includes an air field disposed between the reactant holes, and ring seal surfaces disposed around the reactant holes.
Resumen de: EP4708413A1
The present invention relates to a solid oxide fuel cell system comprising a catalytic combustor structured as a heat exchanger, and the present invention can maximize heat transfer efficiency by utilizing, as heat sources, all heat originating from a gas flow of a cathode and an anode of a stack, by comprising a multi-functional catalytic combustor structured as a heat exchanger, which utilizes, as heat sources, a stack cathode off-gas discharged from the stack of a fuel cell, and a fuel off-gas of a second exhaust line that diverges after passing through a heat exchanger, in order to increase the temperature of air supplied from an air supply part and supply same to a multi-functional steam reformer.
Resumen de: EP4708416A1
The present invention provides a blue battery for energy storage including a first electrode, a second electrode electrically connected to the first electrode, first and second cation exchange membranes disposed sequentially between the first electrode and the second electrode in a direction from the first electrode to the second electrode, an anion exchange membrane disposed between the first cation exchange membrane and the second cation exchange membrane, a bipolar electrode disposed between the first cation exchange membrane and the anion exchange membrane and including a catalyst layer facing any one of the first cation exchange membrane and the anion exchange membrane, and an ion exchange resin layer facing the other of the first cation exchange membrane and the anion exchange membrane, a first flow path provided between the first cation exchange membrane and the bipolar electrode, a second flow path provided between the bipolar electrode and the anion exchange membrane, and a third flow path provided between the anion exchange membrane and the second cation exchange membrane.
Resumen de: GB2643863A
A proton exchange membrane fuel cell (PEM-FC) anode catalyst layer comprising a hydrogen oxidation reaction catalyst, an ion-conducting material, and an oxygen evolution reaction (OER) catalyst. The oxygen evolution reaction catalyst (OER) is an oxide material comprising iridium (Ir) and ruthenium (Ru). The loading of iridium is 0.02 mg/cm2 of the geometric area of the anode catalyst layer or less. The hydrogen oxidation reaction catalyst may comprise a platinum group metal supported on an electrically conductive carbon support material. The OER catalyst can comprise a tetragonal crystalline oxide phase and have a peak in the Raman spectra between 515 and 525cm-1. A process for producing an OER catalyst comprising iridium and ruthenium is also defined.
Resumen de: EP4707825A1
A computer system is provided. The computer system comprises processing circuitry configured to: electrically connect at least one vehicle subsystem (10) to a traction voltage pole (16, 16A, 16B) of a vehicle (1) and to a ground potential (P), said at least one vehicle subsystem (10) comprising at least a first electrically conducting fluid path (20, 21); obtain first isolation resistance data (224) between the traction voltage pole (16, 16A, 16B) and the ground potential (P); electrically short-circuit a first portion of the first fluid path (20, 21); obtain second isolation resistance data (228) between the traction voltage pole (16, 16A, 16B) and the ground potential (P) when the first portion of the first fluid path (20, 21) is shortcircuited; and determine the electrical resistance of the fluid of the first fluid path (20, 21) of the at least one vehicle subsystem (10) based on the first isolation resistance data (224) and the second isolation resistance data (228).
Resumen de: CN121079346A
An anion exchange membrane, particularly suitable for use in electrolytic cells and fuel cells, includes a polyolefin support and an active copolymer containing monomeric units derived from an acrylic monomer having a long saturated linear alkyl chain. A saturated linear alkyl chain of a monomer unit derived from an acrylic monomer having a sufficient length of the active copolymer interacts with a similar saturated linear chain exposed on the surface of a polyolefin support, resulting in: adhesion of the active copolymer on the support, thereby allowing an anion exchange membrane having high mechanical properties and durability to be obtained; the positive charge of the active copolymer is isolated within the pores of the polyolefin support, promoting the formation of positively charged ion channels, thereby promoting the migration of hydroxide ions and allowing high performance of electrochemical cells to be achieved. The anion exchange membrane according to the invention can be obtained in an economically advantageous manner by a special process comprising promoting polymerization of a monomer mixture in a reactor, activating the copolymer by piperidine tertiary amine and/or pyrrolidine tertiary amine, promoting formation of quaternary ammonium salts and promoting adhesion of the copolymer to a polyolefin support.
Resumen de: JP2026042562A
【課題】ばねプレートとベースプレートとの接触による摩耗を抑制する。【解決手段】成形装置１００は、燃料電池用の樹脂セパレータである樹脂シート１０をプレス成形する成形装置であって、樹脂シートを載置する下型２０と、下型と対向して配置される上型３０と、板厚方向に対向する第１面及び第２面を有し、板厚方向に交差する第１方向の中央部が第２面とは反対側に張り出すように湾曲し、第１面に接するように上型が取り付けられるばねプレート４０と、下型に上型を接近させるようにばねプレートを押圧するベースプレート５０と、を備え、第１方向においてばねプレートの第１面の両端部には、Ｒ加工が施されたＲ構造が形成され、ばねプレートを押圧するプレス荷重が増加するに従い、湾曲している第１面及び第２面が平面に近づくように変形し、第２面とベースプレートとの接触点が、第１方向において、中央部から遠い第１位置から、中央部に近い第２位置に変位する。【選択図】図１
Resumen de: CN121642046A
本发明公开了一种计及燃料经济性与系统耐久性的燃料电池系统集群协同性能最优功率分配方法，属于多堆燃料电池系统优化控制领域，本发明步骤为：建立燃料电池动力系统稳态能耗特性模型；分别构建氢气能耗的经济性和寿命老化的耐久性成本函数；基于稳态能耗特性模型和成本函数，确立显式加权形式的综合成本目标优化函数；根据实时负荷功率需求求解燃料电池系统集群最优功率分配结果。本发明综合考虑了燃料经济性与系统寿命老化的耐久性影响，通过对实时综合成本的最优化求解，能够实现燃料电池系统集群燃料经济性与系统耐久性协同性能最优功率分配。
Resumen de: US20260048685A1
During some operations, a fuel cell system of a FCEV is operated in a voltage suppression mode when the FCEV is in park and power demand is low to reduce wear of the fuel cell system. However, in the voltage suppression mode, liquid water may accumulate in the fuel cell system, because of low flow of reactant gases which typically remove the water. If the FCEV exits the park state and undergoes a high acceleration, the water can inhibit reactant flow.
Resumen de: US20260063569A1
An automotive fuel cell system with an integrated optical contamination detection mechanism is presented. The automotive fuel cell system includes a fuel cell connected to a hydrogen gas input tube, with an optical coupler. A laser is configured to generate a light beam that is focused by a lens through the optical coupler and into the hydrogen gas input tube. Contaminants flowing through the hydrogen gas input tube emit light back through the optical coupler and lens, enabling the detection and monitoring of these contaminants.
Resumen de: CN121642056A
本发明提供一种用于图案化膜电极组件的电解质膜及其制备方法。对碳氢化合物类离子交换膜进行水合，然后用网格模板压缩，在其表面形成嵌入图案。脱水后，移除模板，得到具有更高吸水性、离子传导率和机械性能的电解质膜。该方法支持在约70℃至90℃的温度和约5 MPa至15 MPa的压力下进行大面积生产。可将催化剂浆料涂覆到图案化膜上，形成膜电极组件，从而增强电化学装置如燃料电池和水电解槽中的结合强度和催化剂利用率。所得膜的含水量为约60重量%或更高，杨氏模量为约100 MPa或更低，图案深度相对于模板线条为约40%或更大。
Resumen de: CN121642024A
本发明的课题在于抑制燃料电池系统的过冲。燃料电池系统具备：燃料电池；氧化气体供给系统，其向燃料电池供给氧化气体；及控制部，其构成为能够控制氧化气体供给系统来调整氧化气体的化学计量比。控制部在燃料电池的电堆电流为预先设定的电流阈值以下的低负载状态下，根据燃料电池的电堆电压在至少两个值之间变更化学计量比。控制部在电堆电流大于电流阈值的高负载状态下，无论电堆电压如何，均将化学计量比维持为恒定。
Resumen de: CN121642069A
本发明提供一种中温碳燃料电池，所述碳燃料电池包括离子导电层、以及设置于离子导电层两侧的负极和正极，所述负极包括碳颗粒、第一电解质和催化剂；所述第一电解质为熔盐电解质；所述催化剂包括金属镍、镍铬合金、镍铝合金、和镍铬铝合金中的一种；所述离子导电层包括由第二电解质制成的电解质膜，所述第二电解质为固体电解质、或固体电解质和熔盐电解质混合的复合电解质；所述正极包括多孔催化剂材料和第三电解质，所述第三电解质为固体电解质或固体电解质和熔盐电解质混合的复合电解质。
Resumen de: CN121642029A
本公开提供一种燃料电池系统的排水控制方法、电子设备和存储介质。本公开实施例的燃料电池排水控制方法包括：获取燃料电池系统中电堆的冷却液入堆温度和电流密度；根据冷却液入堆温度和电流密度，使用第一排水控制策略与第二排水控制策略中之一执行排水控制以排出电堆内部的液态水。本公开能够有效防止电堆堵水，快速缓解电堆单体电压过低的问题。
Resumen de: CN121642048A
本发明公开了一种耦合重整制氢的新型SOFC‑GT循环能源系统及控制方法。本发明通过设置前置燃烧室和高温换热器，实现了SOFC进口工质的灵活温度控制，提高了SOFC负荷响应速度和变负荷运行稳定性；通过调节前置燃烧室中的燃料量，控制前置燃烧室出口烟气温度，从而控制高温换热器热侧出口端烟气温度和冷侧出口端工质温度，同时在SOFC周围设置换热器组件，将高温换热器热侧出口端烟气的一部分通入SOFC周围换热器组件中，从而调节SOFC在变负荷过程中的工作温度；通过调节甲烷流量控制阀以及烟气流量控制阀，控制烟气温度和与SOFC换热的烟气流量，从而保证SOFC在负荷变化时，工作温度保持稳定，提高了耦合能源系统整体变负荷的运行稳定性。
Resumen de: CN121642044A
本发明涉及电化学储能技术领域，特别涉及一种全钒液流电池管路恒压力控制系统及方法，包括：电池管理系统以及与其连接的恒压力控制系统；电池管理系统，用于接收采集到的全钒液流电池管路上的压力信号，并进行解算与给定压力参数进行比较，得到频率调节参数后发送至恒压力控制系统；同时，电池管理系统对其采集到的全钒液流电池运行参数进行监控；恒压力控制系统，用于接收频率调节参数，并通过PID控制模式，调节全钒液流电池正负极管路中的正负极压力值，使正负极压力值保持在给定压力值上。本发明能确保电池系统管路压力几乎保持不变，优化了电池的性能，大大提高电池系统电解液的利用率。
Resumen de: CN121642043A
本申请提供了一种燃料电池系统的水温调节方法、装置及车辆，该方法应用于燃料电池系统领域，该方法包括：获取燃料电池系统在多次历史吹扫阶段的高频阻抗的上升速率均值；基于高频阻抗的上升速率均值和参考速率均值，确定维持燃料电池系统干湿状态处于目标状态的目标控制参数；基于目标控制参数调节燃料电池系统运行阶段的水温。该方法能够根据高频阻抗的上升速率均值和参考速率均值确定维持燃料电池系统干湿状态处于目标状态的目标控制参数，并基于目标控制参数调节燃料电池系统运行阶段的水温，以使得电堆在较长时间内保持在较理想的干湿状态，提升燃料电池的性能和使用寿命。
Resumen de: KR20250020213A
The present invention relates to a cartridge of a humidifier for a fuel cell and a humidifier for a fuel cell for humidifying dry gas to be supplied to a fuel cell stack using wet gas. The cartridge of a humidifier for a fuel cell comprises: an inner case having an opening at both ends; a plurality of hollow fiber membranes accommodated in the inner case; a first fixing layer for fixing one side of the hollow fiber membranes; a second fixing layer for fixing the other side of the hollow fiber membranes; and a plurality of first coating units coupled to one side of each of the hollow fiber membranes and coupled to the first fixing layer to protrude from the first fixing layer toward the second fixing layer. Each of the first coating units is formed to have lower hardness than the first fixing layer.
Resumen de: CN121642036A
本发明公开了一种电堆壳体内的节能智能吹扫方法，涉及燃料电池技术领域，本发明引入了一个智能吹扫策略来同时保证电堆壳体内的露点控制和氢气安全的吹扫策略和方法，既避免了压缩空气的浪费，又保证了电堆壳体内不凝露（智能计算吹扫量），无可燃气体爆炸风险（智能计算吹扫量），同时还可以有利于电堆的冷启动（避免过度吹扫导致的电堆降温）。
Resumen de: CN121642003A
本发明公开了一种铁铬液流电池在线容量恢复的系统及方法，属于液流电池技术领域，包括依次相连通的储能主系统、再平衡系统和离子恢复系统，所述储能主系统包含正极电解液和负极电解液，所述再平衡系统包含再平衡电解液，用于将所述储能主系统中失衡的所述正极电解液中Fe3+还原，所述离子恢复系统包含还原性气体，用于将所述再平衡电解液中失衡的离子价态恢复。本发明采用的系统和方法，操作简单，成本低廉，通过离子恢复系统中还原气体以化学方法来还原失衡的再平衡电解液，使再平衡电解液能够维持一定的价态离子平衡浓度，使得储能系统中正极电解液能够在线容量恢复，缩短容量恢复时间，保证电池的使用性能。
Resumen de: CN121642009A
本公开涉及一种液流电池流道的布置方法、装置、液流电池及电池堆，该方法包括：获取液流电池中电解液的参数信息以及该电解液与该液流电池的电极间的电化学反应速率，并根据该参数信息和该电化学反应速率，确定该电池流道中多个电极流道板的流道板布置信息，并基于该电极流道板的布置信息，生成该液流电池的流道布置信息。
Nº publicación: CN121642014A 10/03/2026
Solicitante:
山东同有新材料科技有限公司
Resumen de: CN121642014A
本发明公开了一种单电池封装结构及其制备方法，涉及单电池技术领域，膜电极包括质子交换膜和位于所述质子交换膜两侧的催化剂层，一侧的所述催化剂层与单面胶边框的热熔胶层粘结，另一侧的所述催化剂层搭接在双面胶边框上，所述单面胶边框的热熔胶层粘结所述催化剂层后超出部分与所述双面胶边框粘结，所述双面热熔胶边框的上下两侧分别设有极板，所述膜电极和两所述极板之间形成气体扩散层，得到的单电池密封效果好，不易发生反应介质泄露。
BOPI
Sede Electrónica
