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589
results.
Updated on
23/12/2025 [06:48:00]
Results 150 to 175 of 589
Absstract of: CN120604367A
There is provided a multi-layer proton exchange membrane for water electrolysis, comprising: at least two reconstitution catalyst layers, each of which comprises a reconstitution catalyst and a first ion exchange material, and at least two reinforcement layers, each of which comprises a reconstitution catalyst and a second ion exchange material, wherein the at least two reconstitution catalyst layers are separated by regions free of or substantially free of reconstitution catalyst, each of the at least two reinforcement layers comprising a microporous polymer structure and a second ion exchange material at least partially absorbed within the microporous polymer structure.
Absstract of: CN120303797A
The present invention relates to a gas diffusion layer for a fuel cell, comprising a microporous layer with a polymeric binder which is free of fluorine or has a lower proportion of fluorine-containing polymer compared to conventional binders, a gas diffusion layer obtainable using the method, and a method for producing a gas diffusion layer for a fuel cell, the gas diffusion layer comprising a microporous layer comprising a microporous layer having a polymeric binder which is free of fluorine or has a lower proportion of fluorine-containing polymer compared to conventional binders. And a fuel cell comprising such a gas diffusion layer.
Absstract of: JP2025184209A
【課題】微生物燃料電池のカソード上での水生成反応を促進する。【解決手段】有機物及び微生物を含む第１液が収容されるアノード槽と、アノード槽とプロトン交換膜を隔てて設けられ、第２液が収容されるカソード槽とを備える微生物燃料電池において、第２液中の酸素濃度を高めるための外部機構を設ける。外部機構は、カソード槽の外部において第２液を循環させる外部循環路と、外部循環路内の第２液を吸い込んで外部循環路に送り出す電動ポンプと、電動ポンプから送り出された第２液に酸素を混入させる酸素混入器と、を備える。【選択図】図１
Absstract of: US2025382429A1
Ion exchange membranes for use in electrochemical energy conversion and storage applications include copolymers having a backbone produced from an olefin, such as ethylene, and a cyclic olefin, such as norbornene. Haloalkyl side chains with terminal halide groups are connected to the polymer backbone via Friedel-Crafts alkylation. The halide groups are then replaced with ionic groups via substitution. The ion exchange membrane material can then be cast or impregnated into a reinforcing mesh to form cation exchange membrane or anion exchange membranes. Rigidity of the ion exchange membranes can be controlled by varying the ratio of olefin to cyclic olefin in the polymer backbone.
Absstract of: US2025382179A1
The present invention refers to a process for preparing a graphitized nanoporous carbon, the so-obtained carbon particles_and the use thereof as highly stable support for electrochemical processes.
Absstract of: US2025382307A1
Disclosed is a method of preparing an amino acid ester of maytansinol by reacting maytansinol with an N-carboxyanhydride of an amino acid (NCA) in the presence of a proton sponge and a Lewis acid.
Absstract of: US2025382172A1
The present invention relates to a dimethyl ether (DME) reforming system for a smart farm and power plant, and the purpose of the present invention is to provide a DME reforming system for a smart farm and power plant, which generates carbon dioxide and hydrogen using DME as a raw material, and supplies a fertilizer and electric energy to a smart farm, and which minimizes the generation of environmental pollutants, in particular, the generation of CO2 in a DME reforming process.
Absstract of: US2025382204A1
This metal member is a metal member having a three-dimensional regular framework structure with a porosity in a range of 50% or more and 95% or less, wherein the three-dimensional regular framework structure has a framework and a plurality of pores extending in a first direction, in a cross section perpendicular to the first direction, pore rows in which the pores and the frameworks are alternately arranged are periodically laminated to form a lamination structure. In addition, the electrode has a well-shaped sheet layer having a plurality of through-holes in a thickness direction, the porosity of the well-shaped sheet layer is in a range of 20% or more and 70% or less, and the thickness of the well-shaped sheet layer is in a range of 10 μm or more and 500 μm or less.
Absstract of: US2025382258A1
A naphthalene-type compound, preparation method therefore and use therefore are provided. The naphthalene-type compound has a molecular structure substituted with polyhydroxyl, polybenzylamine, and quaternary ammonium or multiple quaternary ammonium functional groups, and compared with a raw material, the naphthalene-type compound has greatly improved water solubility in an acidic aqueous solution. An electrochemical reaction has low raw material costs and a high reaction yield, is carried out under a normal temperature and pressure condition without adding additional catalysts, and is carried out under air conditions without inert gas protection.
Absstract of: US2025381888A1
A control system for a vehicle includes data processing hardware and memory hardware in communication with the data processing hardware. The memory hardware stores instructions that when executed on the data processing hardware cause the data processing hardware to perform operations. The operations include receiving, at a propulsion controller, power generation, comparing, via the propulsion controller, battery data with a state of charge threshold, and executing, based on the comparison of the battery data, a power sink protocol including at least one mode control via a fuel cell system. The operations also include generating, based on the at least one mode control, at least one of a compressor command and a valve command via an airflow system and regulating, via the at least one generated compressor command and the valve command, an airflow of the airflow system.
Absstract of: WO2024168344A1
A method of making a tetra-coordinated boronic acid-functionalized polymer molecule includes reacting a pendant boronic acid group of a boronic acid-functionalized polymer molecule with a fluoride reagent and/or a compound having the general formula HX, wherein HX is a Brønsted-Lowry acid. The tetra-coordinated boronic acid-functionalized polymer molecule includes a main chain and a tetra-coordinated boronic acid group linked to the main chain. The tetra-coordinated boronic acid group has the general formula —BFmXn(OH)(3-m-n) where B has four covalent bonds and is covalently bonded to a polymer main chain, side chain, or side group; m and n are each independently 0, 1, 2, or 3; the sum of m+n is 1, 2, or 3; and X is an anion other than fluoride.
Absstract of: EP4664570A1
A fuel cell system includes a plurality of power generation modules each of which includes one or more fuel cell stacks and an auxiliary machine that controls fuel gas and oxidant gas to be supplied to the fuel cell stacks, and the fuel cell stacks are connected in series among the plurality of power generation modules. This system includes a plurality of individual control units each of which controls an auxiliary machine of a corresponding power generation module among the plurality of power generation modules based on a control command, and an integrated control unit that sets a current command in a manner that an output based on a requested output required for a system is obtained within a range in which a voltage of each fuel cell stack in each of the plurality of power generation modules does not fall below a lower limit voltage, and transmits the current command to the plurality of individual control units.
Absstract of: EP4664569A1
The present invention relates to a method for constructing a risk monitoring and early warning tool of a fuel cell vehicle-mounted hydrogen system, The method comprises the following steps: constructing a device database of a fuel cell vehicle-mounted hydrogen system and a hydrogen leakage database; processing the device database by using a minimum cutset algorithm, so as to obtain a first risk evaluation result, and performing physical analysis on the hydrogen leakage database to obtain a second risk evaluation result; and comprehensively processing the first risk evaluation result and the second risk evaluation result and performing display. The present invention can implement monitoring and early warning on a risk of a vehicle-mounted hydrogen system, provides guidance for safety management of a hydrogen fuel cell vehicle, and can promote the development and widespread application of hydrogen fuel cell technology.
Absstract of: GB2641804A
An ion-conducting membrane comprises (a) an ion-conducting polymer; and (b) a hydrogen radical scavenger. Also, a method of preventing degradation of an ion-conducting membrane by hydrogen radicals comprises using a material having a rate constant for the reaction with a hydrogen radical (H·) of at least 1 x 107 M-1s-1. The ion-conducting membrane 4 is preferably a proton-exchange membrane and may further comprise a reinforcing layer 5 formed from a porous polymer impregnated with the ion-conducting polymer. Anode 3 and cathode 2 catalyst layers are provided on opposite sides of the membrane to form a catalyst coated membrane for a fuel cell or water electrolyser.
Absstract of: US2025379243A1
A membrane stack for a fuel cell humidifier includes water vapor-permeable, airtight membranes spaced apart in a stack with alternating first and second spacers. The stack enables cross-flow of humid exhaust and dry supply air. Each first spacer is separated from the adjacent membrane by a protective layer, with both connected in a direct, material-locking manner.
Absstract of: WO2024165697A1
The invention relates to a method, a device and a computer program product for the economical and reliable operation of a fuel cell system of a heating system of a building power supply, the fuel cell system comprising an air filter element and one or more stacks. The method comprises the steps of detecting a first value of an electrical state variable of a stack after the start of regular operation of a first operating interval at a first time in regular operation of the first operating interval; detecting a second value of the electrical state variable of the stack at a second time after the first time in regular operation of the first operating interval; determining a first comparison result by comparing the first value with the second value; and determining and outputting information relating to a state of the air filter element depending on the first comparison result.
Absstract of: CN120604364A
The invention relates to a method for producing a single/bipolar plate, said method comprising the following steps:-uncoiling a material web from an uncoiler and supplying said uncoiled material web in the feeding direction of said material web to a nip between two rollers, at least one of said two rollers being a three-dimensional structured roller; and-guiding the uncoiled material web, maintaining the feed direction, through a nip between two rollers, at least one of the two rollers being a three-dimensional structured roller in which a flow channel geometry is embossed into the material web. When the flow channel geometry is embossed into the material web, a channel arrangement of parallel flow channel channels is created in the material web, where the parallel flow channel channels extend parallel to the feed direction. The invention also relates to a corresponding roller device for carrying out the method.
Absstract of: CN120731520A
The invention relates to a fuel cell system (100) for converting energy, the fuel cell system (100) comprising a fuel cell stack (101) and a computing unit (103), the computing unit (103) being configured to switch the fuel cell system (100) into an intermittent operation, in which the fuel cell system (100) is configured to switch the fuel cell stack (101) into a non-intermittent operation, the computing unit (103) being configured to switch the fuel cell stack (101) into a non-intermittent operation, the computing unit (103) being configured to switch the fuel cell stack (101) into a non-intermittent operation, and the computing unit (103) being configured to switch the fuel cell stack (101) into a non-intermittent operation. The fuel cell stack (101) is repeatedly switched between a dry operation (211) of the fuel cell stack (101) and a humid operation (207) of the fuel cell stack (101), and in the dry operation (211), a reduced humidity is set in the fuel cell stack (101) relative to the humid operation (207), the fuel cell stack (101) is operated in a wet mode (211) and an increased humidity is set in the fuel cell stack (101) in relation to the dry mode (207) in the wet mode (211), and wherein the computing unit (103) is configured to activate the intermittent mode only if a pressure of an air mass flow supplied to the fuel cell stack (101) is above a predetermined pressure threshold value.
Absstract of: EP4663270A1
A safety element (100) includes a housing (10), and a filler material (18) comprising a superadsorber (20) and/or an ion exchange resin (30) disposed in a first segment (12) of the housing (10) and configured to remove acidic or non-acidic water, the filler material (18) having a volume depending on an interaction with water when exposed to water or not exposed to water.
Absstract of: CN121149303A
本发明揭示了一种燃料电池响应测试方法，其特征在于：包括：快速变载测试：模拟0‑100％额定功率阶跃变化，记录电压震荡、局部热点及水淹现象；启停循环测试：高频次通断氢气/空气供应，评估催化剂氧化还原衰减特性；瞬态扰动测试：叠加随机频率的电流波动，分析电堆阻抗谱动态演变规律。本发明具有以下优势：1、提供了一种气体供应快速跟随方式；2、提供了一种高精度露点可控技术；3、提供了一种高精度模拟实际路况负载方式。
Absstract of: CN121149273A
本发明关于一种燃料电池液冷式双极板，涉及燃料电池领域。本技术方案适用于高海拔复杂环境下的无人机动力电池系统，可实现长续航稳定工作，其以液体为冷却介质，提供安全环保高效的动力源，有效拓宽燃料电池应用场景；具体而言，针对现有无人机风冷电堆反应气体分布不均、散热效果差的问题，本方案通过阴极侧反应区域、阴极侧冷却区域、阳极侧反应区域、以及阳极侧冷却区域的协同配合，大幅改善气体分布与温度控制，提升电池可靠性与寿命，同时采用集成化设计，将阴阳极板与膜电极封装成独立单元电池，可按需堆叠成不同功率段的动力源模块，操作灵活便捷。
Absstract of: CN121149321A
本发明适用于质子交换膜技术领域，尤其涉及一种改性质子交换膜的制备方法，所述方法包括：基底膜预处理，得到氢型全氟磺酸膜；随后将其浸泡在有机溶剂中于60‑80℃下溶胀1‑4小时；杂化溶液制备：将磺化聚酰亚胺溶解于N,N‑二甲基乙酰胺中，配制成浓度为1‑5wt％的澄清溶液；原位杂化成膜：将溶胀后的基底膜浸入配制的杂化溶液中，在60‑80℃下反应6‑24小时；后处理：用无水乙醇冲洗以去除膜表面物理吸附的聚合物，干燥，得到所述改性质子交换膜。本发明解决了高甲醇渗透、高温低湿性能差、尺寸不稳定等问题，在多项关键性能指标上均取得了预料不到的显著改善，在制备甲醇燃料电池和高温质子交换膜燃料电池领域具有巨大的应用潜力。
Absstract of: CN121149324A
本发明提供一种用于高容量液流电池的铁取代硅钨杂多酸盐电解液，所述电解液以水为溶剂，包含活性物质和支撑电解质；所述活性物质为铁取代硅钨杂多酸盐，其分子式为K4SiW11O39FeIII·x(H2O)，通过铁原子对Keggin型硅钨酸骨架中钨原子的部分取代而形成；所述支撑电解质为醋酸盐、氯化盐或硫酸盐中的至少一种，其浓度为0.1-2M。本发明的电解液可用作液流电池的正极和/或负极电解液，具有高溶解度、高稳定性和高能量密度的特点，有效解决传统液流电池能量密度低的问题。
Absstract of: CN223678693U
本实用新型涉及新能源技术领域，提供一种氢燃料电池测试稳压供氢装置，包括储气罐、第三气压检测件、第三阀门和气压调节管路，储气罐通过氢气供气管路与氢燃料电池连通，第三阀门和第三气压检测件均设置在氢气供气管路上；气压调节管路与储气罐和第三气压检测件之间的氢气供气管路连通；气压调节管路设置有第三减压阀，第三减压阀两端的管路上分别设置有第五气压检测件和第六气压检测件。本实用新型通过在储气罐和氢燃料电池之间的管路上设置第三气压检测件，能够检测出进入氢燃料电池的氢气气压，储气罐上不设置气压检测装置也能够精确的检测到进入氢燃料电池前的氢气气压，能够提高氢燃料电池的安全性。
Nº publicación: CN223680219U 16/12/2025
Applicant:
南方科技大学
Absstract of: CN223680219U
本实用新型公开了用于金属气体电池的壳体及金属气体电池，金属气体电池包括阴极层与阳极层，壳体包括依次叠设的第一绝缘层、第二绝缘层及第三绝缘层；第一绝缘层与第二绝缘层之间预留有第一空间；第二绝缘层与第三绝缘层之间预留有第二空间；第一绝缘层上开设有第一进气通道，第一进气通道的进气口位于第一绝缘层的侧面，第一进气通道的出气口位于第一绝缘层与第二绝缘层相对的表面；第二绝缘层上开设有容纳腔室，容纳腔室贯穿第二绝缘层的上表面及下表面，容纳腔室内填充有电解质，容纳腔室与第一进气通道的出气口连通。气体会在第一进气通道里进行缓冲，降低了气体流至催化剂时的流速，进而降低了气体流速高时阴极层上的催化剂脱落的风险。
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