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474
results.
Updated on
15/07/2026 [06:59:00]
Results 50 to 75 of 474
Absstract of: CN122370416A
本发明公开了一种用于空冷燃料电池的亲水浆料及其制备方法，属于燃料电池技术领域。本发明通过同轴静电纺丝技术制备以导电聚合物为核，以CeO2纳米颗粒修饰的碳纳米管网络为壳的核壳结构复合纤维；随后经热处理与电化学活化处理，获得兼具高导电性、强亲水性与催化协同效应的PANI@CeO2/CNT或PPy@CeO2/CNT纤维材料。将该纤维材料与Pt/C催化剂、全氟磺酸树脂溶液及水‑异丙醇溶剂于特定低温条件下高速分散，制得均匀、稳定的亲水催化剂浆料涂覆于质子交换膜上，制得膜电极。本发明浆料显著提升了催化层在低湿度条件下的保水能力与反应气体传输效率。有效解决了空冷燃料电池因自增湿能力不足导致的性能衰减问题。
Absstract of: CN122370419A
本发明提供了一种制备膜电极的阴极催化剂层的方法。该方法通过先将催化剂进行稀释成极低浓度后喷涂一层于质子膜上，形成一稀疏锚点层，再在其上常规喷涂不同物质比催化剂浆料，形成梯度化催化层，能使催化剂紧密贴合质子交换膜，有利于质子传导，气体扩散，降低界面接触电阻。
Absstract of: CN122355708A
本发明公开了一种Ga‑Mn双掺杂烧绿石型La2Zr2O7低温陶瓷电解质及燃料电池。所述低温陶瓷电解质为单相烧绿石结构，化学式为La2‑xGaxZr2‑xMnxO7‑δ，其中0.2≤x≤0.6；Ga以Ga3+形式取代部分La位，Mn以Mn2+/Mn3+/Mn4+形式取代部分Zr位，共掺杂诱导氧空位富集并调控局部电荷分布，从而促进氧化物离子传输，本发明的优化组分La1.6Ga0.4Zr1.6Mn0.4O7‑δ在550 ℃下的离子电导率达到0.28 S·cm‑1，活化能降低至0.678 eV；采用该电解质构建的单电池在550 ℃下实现1171 mW·cm‑2的峰值功率密度，总电阻降低至0.37 Ω；本发明实现了La2Zr2O7基电解质在中低温条件下的快速氧化物离子传输，可用于高性能固体氧化物燃料电池。
Absstract of: CN122370423A
本发明公开了一种用于肼氧化反应的“空位‑孪晶”复合结构催化剂及其制备方法，方法步骤为：S1：将镍盐、锌盐和铜盐溶解在去离子水中，加入尿素和氟化铵并搅拌均匀，获得混合溶液，再将混合溶液和泡沫镍转移到反应釜中，进行水热反应，获得Ni(OH)2‑Zn(OH)2‑Cu(OH)2/NF泡沫；S2：将Ni(OH)2‑Zn(OH)2‑Cu(OH)2/NF泡沫采用次亚磷酸钠‑硼氢化钠还原液进行还原；S3：再在氩气和氢气混合气氛中进行还原和退火，再冷却得到“空位‑孪晶”复合结构NiZnCu催化剂。该催化剂含有空位缺陷的孪晶结构具有协同催化效应，提升了NiZnCu合金的催化性能。
Absstract of: CN122360196A
本发明公开了一种用于强化沸腾传热的孔栅复合结构及其制备方法，属于复合结构表面开发和强化沸腾散热技术领域，用于强化沸腾传热的孔栅复合结构由下层阵列微凹孔和上层孔栅组成，上层孔栅的孔径小于下层微凹孔的孔径，利用孔栅的几何约束实现了受限生长、压力穿透和自吸再润湿的动态循环机制：汽泡在微凹孔内成核并生长，由于孔栅开口的限制，汽泡在凹坑内受限膨胀直至穿透栅孔，穿透瞬间形成的压差驱动液体迅速吸入凹孔，引发接触线直接收缩，显著降低汽泡脱离直径；同时，孔栅间隙构成了低阻力的连续液体流道，增强毛细输运能力。由此，实现了小汽泡脱离与高效液体回流的协同强化，获得了提升的HTC与CHF，能够用于池沸腾换热领域。
Absstract of: CN122359645A
本发明涉及一种基于电磁感应加热的固态储氢及快速供氢系统，包括储氢单元和控制单元；储氢单元包括储氢容器、储氢介质、感应发热体和电磁感应线圈，储氢介质、感应发热体和电磁感应线圈位于储氢容器内；当电磁感应线圈通电时，感应发热体能感受到磁场变化并产生热量；储氢介质包括固态储氢材料，感应发热体由导电导热材料制成；控制单元包括整流逆变器、控制器和控制电路；控制器与整流逆变器电连接，用于连通或切断外部电流；整流逆变器与控制电路电连接，用于将外部电流转换为直流电并输出于控制电路；控制电路与电磁感应线圈电连接。本发明提供的固态储氢及快速供氢系统可用于氢能源车、航空航天设备和无人机中。
Absstract of: CN224480945U
本实用新型提供一种氢燃料电池端板以及氢燃料电池，涉及氢燃料电池技术领域，包括第一板体，所述第一板体的表面设置有与双极板形状适配、用于嵌入双极板的容纳槽；所述容纳槽内还设置有与所述双极板中气体流道连通的进气口和出气口，所述容纳槽的槽底上还设置有第一定位孔，所述第一定位孔用于穿设定位杆；本实用新型能够起到抗震效果，避免双极板震动导致双极板、端板错位的情况，提高双极板位置的稳定性以及双极板、端板的连接强度。
Absstract of: CN224480939U
本申请涉及新能源技术领域的冷电氢多联供系统，该冷电氢多联供系统包括：光电氧化偶联析氢系统、氢燃料电池系统、双效吸收式制冷循环系统和智能监控系统；在用电波谷期，控制光电氧化偶联析氢系统运行产生氢气，在用电高峰期，将光电氧化偶联析氢系统产生的氢气用于氢燃料电池系统发电，以氢气为储能媒介，起到削峰填谷的作用，以解决能量生产和需求在时间、空间以及强度上的不匹配，减少新能源的不稳定性对于电网的冲击；同时，将氢燃料电池系统产生的废热驱动双效吸收式制冷循环系统输出冷能，进一步提高能源利用率。
Absstract of: WO2025125091A1
The present invention relates to a stack of substantially flat plates stacked one on top of the other along a stacking (Z) direction, wherein each plate is extending in a horizontal direction being perpendicular to the stacking direction and being defined by a longitudinal (X) and a transversal (Y) direction, the substantially flat plates defining at least a first plate interspace (21) between a first plate (11) and an opposing second plate (12) and at least a second plate interspace (22) between the second plate (12) and an opposing third plate (13), wherein the first and the second interspaces (21, 22) are arranged in the stacking (Z) direction, wherein the second plate (12) has at least a first bend (121) defining a first angled part (12a) of the plate having an extension deviating from the horizontal direction, wherein the second plate (12) has at least a second bend (122) defining a second angled part (12b) of the plate having an extension deviating from the horizontal direction in a different direction than the first angled part (12a), and wherein a distance (d) of any of the first and the second interspaces (21, 22) is less than a thickness (t) of any of the plates (11, 12, 13).
Absstract of: US20260197903A1
0000 The invention relates to an electrically heatable fluid line (10) for a component (11) of an electrochemical energy converter, said fluid line being made of a plastic (14) which is mixed with electrically conductive particles (13), having an outer lateral surface (15) and an inner lateral surface (16), and having at least one first electrical contact (17) and at least one second electrical contact (18), wherein the at least one first electrical contact (17) and the at least one second electrical contact (18) are arranged on the outer lateral surface (15) in a mutually spaced manner.
Absstract of: WO2026148241A1
An example redox flow battery (100) can include a catholyte reservoir (110) containing a non-aqueous catholyte (112). The catholyte can include an ether-based organic solvent and an organic redoxmer. The redoxmer can include a carbonyl group, an amine group, or a combination thereof. The amine group can include a nitrogen atom bonded to an alkyl group, an ether group, a phenyl group, or a combination thereof. The redox flow battery (100) can also include a flow cell (120) in fluid communication with the catholyte reservoir (110) to circulate the catholyte (112) through the flow cell (120). A separator (140) in the flow cell (120) can be in contact with the catholyte (112) in the flow cell (120). A cathode (150) can be in contact with the catholyte (112) in the flow cell (120). An anode (160) can be separated from the catholyte (112) by the separator (140).
Absstract of: US20260196539A1
The invention presented here relates to a method (100) for drying a fuel cell system (200). The method (100) comprises: a cathode path drying step (101) in which: shut-off valves (205, 207) at the cathode inlet and cathode outlet of the fuel cell system (100) are opened, a cathode path of the fuel cell system (200) is dried by means of a specified air mass flow, a turbine bypass path (213) is opened to a specified maximum permissible opening position, wherein the maximum permissible opening position is selected in such a way that it causes a mass flow through a turbine path (219), running parallel to the turbine bypass path (213), towards a turbine (211) of the fuel cell system (200), which mass flow is greater than or equal to a specified minimum turbine threshold value.
Absstract of: WO2026144267A1
The present application discloses a fuel cell combined heat and power control system and a working machine. The control system comprises a stack heat exchange device, a fuel heating device, a heat storage device, and a control device. The control device is configured to: when a fuel cell stack is normally started and a heat storage condition is met, control a stack heat exchange flow channel of the stack heat exchange device to be communicated with a heat storage fluid flow channel of the heat storage device to form a heat storage working loop; and during cold start of the fuel cell stack, control a fuel heating flow channel of the fuel heating device to be communicated with the heat storage fluid flow channel of the heat storage device to form a heat supply working loop. Thus, excess heat can be collected in the heat storage device, and during cold start, the heat storage device can heat solid fuel in a solid fuel storage device. Compared with the prior art, the radiator and the electric heater are omitted, and the waste heat from the reaction of the fuel cell stack can be efficiently utilized by means of the heat storage device, thereby achieving the effect of energy conservation.
Absstract of: US20260196544A1
The present disclosure relates to the technical field of water electrolysis, in particular to a low-hydrogen-permeability proton exchange membrane as well as a preparation method and use thereof. The proton exchange membrane comprises a Pt-based additive layer and a substrate membrane, wherein the Pt-based additive layer consists of a Pt-based additive and a fluorinated proton exchange resin and comprises an array layer and a flat layer, with the thickness ratio and active components ratios of the array layer to the flat layer ranging from 1:(0.5-30) to 1:(1-50), and the array layer is composed of an orderly arranged arrays and an array layer resin wrapping the arrays. The low-hydrogen-permeability proton exchange membrane provided by the present disclosure has the Pt-based additive layer composed of the array layer and the flat layer.
Absstract of: US20260196545A1
0000 The present invention relates to a proton exchange membrane, to the process for preparing said membrane, and to the application of said membrane in fields requiring ion exchange, such as effluent purification and electrochemistry, or in energy fields. In particular, this membrane is used in the design of fuel cell membranes.
Absstract of: US20260196547A1
A redox-flow battery includes a cell having two half-cells, each half-cell having a half-cell interior for receiving an electrolyte, an electrode and a membrane being associated with each cell and the half-cells being arranged in a stack, electrolyte supply means and/or electrolyte discharge means being assigned to each half-cell, and the electrolyte supply means being connected to an electrolyte reservoir via a supply line and the electrolyte discharge means being connected to an electrolyte reservoir via a discharge line. The supply line is subdivided into supply sub-lines; the discharge line is subdivided into discharge sub-lines; the supply sub-line and/or the discharge sub-line is/are assigned to two or more half-cells; and the supply sub-lines and the discharge sub-lines are arranged outside the stacking surfaces of the half-cells.
Absstract of: US20260196532A1
A gasket molding method for molding a gasket on a workpiece includes, in the stated order: an application step of applying an active energy ray curable liquid having a structural viscosity ratio of 1.5 or more and 4.0 or less into a cavity of a molding die; a bonding step of bonding the molding die coated with the active energy ray curable liquid and the workpiece to each other; a curing step of curing the applied active energy ray curable liquid by irradiation with an active energy ray; and a mold release step of pulling off the cured active energy ray curable liquid from the molding die together with the workpiece, in which the application step includes an overlapping region of application trajectories. Accordingly, there is provided a gasket molding method by which mixing of air bubbles in an overlapping region of application trajectories is suppressed.
Absstract of: US20260196529A1
A gasket device includes: a first gasket made of an elastic body; and a separator having a pair of surfaces facing away from each other. The first gasket is in an annular shape and attached to the surface of the separator in such a manner as to surround an opening. Moreover, the first gasket includes an annularly extending lip projecting in a direction that the surface of the separator faces. The lip has different heights on a side of the opening and an opposite side to the side of the opening.
Absstract of: US20260193799A1
0000 A cell frame adapted for use in a pressurized electrolyser cell stack is provided. From an inner circumferential rim of the cell frame, a circumferential radial shelf with inwardly tapering thickness is provided, such that an annular space between a circumferential radial shelf and a neighboring circumferential radial shelf is provided when cell frames are stacked in alignment with each other, and that outwardly of the circumferential radial shelf, a mobility link is provided which connects the radial shelf to the remaining cell frame.
Absstract of: US20260194191A1
0000 The invention relates to a tank system (100) for a hydrogen powered vehicle, wherein the tank system (100) comprises at least one cylindrical tank container (200) for storing a gaseous medium, in particular hydrogen, and a valve device (4). The at least one tank container (200) and the valve device (4) are operatively connected and fluidly connected to one another. The at least one tank container (200) has a tank container interior (2), wherein the valve device (4) has a flow device (6), which flow device (6) is at least partly arranged within the tank container interior (2) and by means of which flow device (6) the tank container interior (2) can be filled with a gaseous medium, in particular hydrogen. The flow device (6) additionally has a bypass (12) with a first branch (8) and a second branch (9), said first branch (8) being arranged coaxially to a longitudinal axis (14) of the tank container (200) and said second branch (9) having a longitudinal axis (140) which longitudinal axis (140) is arranged in an angular range a between 15 degrees and 60 degrees relative to the longitudinal axis (14) of the tank container (200), wherein deflecting elements (5) are arranged in the tank container interior (2), by means of which deflecting elements (5) the flow of the gaseous medium, in particular hydrogen, can be deflected.
Absstract of: US20260196538A1
Some embodiments of the teachings herein include a method for ascertaining a humidity of a gas stream at a measuring point in a fuel cell system comprising the measuring point and a reference point chosen such that the gas stream has approximately equal hydrogen-to-nitrogen ratios at the reference point and the measuring point, the reference point chosen such that the gas stream has a known humidity at the reference point. An example includes: measuring the hydrogen-to-nitrogen ratio of the gas stream at the measuring point using a first sensor; measuring the hydrogen-to-nitrogen ratio of the gas stream at the reference point using a second sensor; and ascertaining the humidity of the gas stream at the measuring point based at least in part on a difference between the first and the second hydrogen-to-nitrogen ratio.
Absstract of: US20260196540A1
The method for running in a fuel cell of the PEMFC type includes at least a first running-in phase, then an operation of reversing the direction of the hydrogen and air flows, then a second running-in phase. The running-in phases each includes a fuel cell stabilisation step in which the current density produced by the cell is kept constant at a low value for a given period, then an oxygen depletion step, during which the current density is kept constant at a minimum value, less than or equal to the low value, and during which the air supply is at least partially cut off, being adjusted so as to obtain a cathodic stoichiometric coefficient strictly less than 1. The oxygen depletion steps of the first and second run-in phases end when the cell voltage of the fuel cell reaches a predefined threshold voltage.
Absstract of: US20260192236A1
A catalyst reactor is provided. The reactor includes a reactor body, a multi-station turntable, and an adsorbent chamber. The reactor body has a split structure and includes an upper reactor and a lower reactor that are fixedly connected, and a space adapted to the adsorbent chamber is formed between the upper reactor and the lower reactor. The multi-station turntable is provided with at least two sets of mounting holes, and the adsorbent chamber is disposed within the mounting holes. A heating base is arranged below the multi-station turntable and located on one side of the lower reactor. The catalyst reactor enables the timely repositioning of the adsorbent chamber via the multi-station turntable. The heating base is utilized to apply heat to restore the original functions. After restoration, the multi-station turntable is rotated again to replace the adsorbent chamber within the reactor body.
Absstract of: US20260196535A1
A volute is for a flow machine for a fuel cell system of a vehicle, in particular a utility vehicle. The volute has: a flow inlet for supplying the volute with an air flow which includes fluid constituents; and a helical flow body for guiding the air flow; wherein the flow body has an outlet opening for discharging the fluid constituents, which are separated from the air flow within the flow body, out of the flow body.
Nº publicación: US20260192228A1 09/07/2026
Applicant:
MANN HUMMEL GMBH [DE]
MANN+HUMMEL GmbH
Absstract of: US20260192228A1
0000 A round filter element for filtering a fluid includes a filter medium body with a particle filter medium. The filter medium body surrounds a longitudinal axis and encloses an interior. An end body delimits the filter medium body at an end face of the filter medium body. The end body is an open end plate with a through opening in fluid communication with the interior. A sorption element is arranged in the through opening and connected directly or indirectly to the filter medium body or the end plate. The sorption element is flowed through by the fluid serially relative to the filter medium body in the direction of the longitudinal axis. The sorption element is sealed relative to the through opening. A filter system is provided with the filter element arranged in a filter housing between a fluid inlet and a fluid outlet.
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