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475
results.
Updated on
15/09/2025 [06:48:00]
Results 25 to 50 of 475
Absstract of: WO2025186906A1
A methane gas generation system (1000, 1001, 1002, 1003, 1004, 1005) comprises a fluid flow generation unit (5) that generates a flow of a fermentation liquid (7) that has been generated at a fermentation tank (1) and brings the fermentation liquid (7) into contact with an anode electrode (11) and then a cathode electrode (12). As a result of the flow field of the fermentation liquid (7) being formed in one direction such that the fermentation liquid (7) contacts the anode electrode (11) and then the cathode electrode (12), hydrogen generated at the cathode electrode (12) is kept from contacting the anode electrode (11) and reverting to protons. The present invention thereby provides a methane gas generation system (1000, 1001, 1002, 1003, 1004, 1005) that can reduce the risk of increasing the power required per unit of methane generation and can thereby suppress reductions in methane gas generation efficiency.
Absstract of: WO2025185449A1
An equally-spaced annular carbon nanotube array encapsulated electrode, a preparation method therefor and a use of the encapsulated electrode as an electrode in a bioelectrochemical system. The electrode comprises a silicon substrate and circular rings equally spaced on the silicon substrate, wherein the circular rings are composed of carbon nanotubes. The electrode has excellent cycle performance, biocompatibility and large electroactive area. A photoresist is used to pattern a silicon substrate to obtain an equally-spaced annular carbon nanotube array structure. Provided is an aperture-controllable annular carbon nanotube array encapsulated bioelectrode. The pattern design can be obtained according to actual production requirements. By means of the three-dimensional structure and excellent biocompatibility of the equally-spaced annular carbon nanotube array encapsulated electrode, the adhesion growth of electroactive functional bacteria, the formation of biological films, and the conduction of electrons can be enhanced.
Absstract of: WO2025187762A1
This electrolyte membrane production method comprises: a step for preparing a porous base material including a porous membrane and a crosslinking agent held in pores of the porous membrane; an impregnation step for impregnating the porous base material with a solution containing an electrolyte polymer; and a crosslinking step for reacting the electrolyte polymer with the crosslinking agent to form a crosslinked electrolyte polymer.
Absstract of: WO2025188964A1
A chemical processing unit includes a ceramic-containing structure; and a coating layer in contact with at least a portion of the ceramic-containing structure and capable of reducing or preventing degradation of the ceramic-containing structure by a process fluid at a processing temperature, wherein the process fluid includes two or more of hydrogen gas, oxygen gas, carbon monoxide gas, carbon dioxide gas, water vapor, and a gaseous hydrocarbon; wherein the coating layer includes one or more coating materials following at least one of the chemical formulas: MxOz, MxSiyOz, and MxPyOz, wherein M is a metal, x ranges from 1 to 4, y ranges from 1 to 4, and z ranges from 1 to 7.
Absstract of: WO2025186584A1
An electrolyser cell unit, a method of producing an electrolyser cell unit, and a method of operating an electrolyser cell unit. The electrolyser cell unit comprising a support plate having a porous region and an electrochemically active area on the porous region. The electrochemically active area comprising an oxygen electrode, an electrolyte, an interlayer, and a fuel electrode. The oxygen electrode is disposed between the support plate and the electrolyte.
Absstract of: WO2025186578A2
A polymer electrolyte membrane for an electrochemical device, such as a water electrolyser, is provided. The membrane is provided with a first and a second membrane layer, each comprising a recombination catalyst. The loading of recombination catalyst in the first membrane layer is 75 to 97% of the total recombination catalyst loading in the electrolyte membrane, and the loading of recombination catalyst in the second membrane layer is 3 to 25% of the total recombination catalyst loading in the electrolyte membrane.
Absstract of: WO2025184681A1
The present invention relates to a control method for controlling a reformer temperature, the method comprising the steps of: dividing a flow of reformer gas (22) into a flow of reformer feed gas (24) and a flow of reformer bypass gas (26) by means of a reformer gas flow divider (28); directing the flow of reformer feed gas (24) through a high-temperature valve (30) and a reformer (20) for steam reforming; directing the flow of reformer bypass gas (26) through an oxidation catalyst (40) for purifying exhaust gases, wherein the passage of the flow of reformer feed gas (24) through the high-temperature valve (30) and the reformer (20) is controlled by means of the high-temperature valve (30) in order to thereby control the reformer temperature.
Absstract of: WO2025186363A1
A framed membrane electrode assembly (1) for a fuel cell has a membrane electrode assembly (2), wherein the frame substrate (4) is arranged at least in an edge region of the membrane electrode assembly (2). The frame substrate (4) has at least one through-opening (6) which extends through the frame substrate (4) from an anode-side surface (4a) to a cathode-side surface (4b). A sealing assembly (3) made of a sealing material is arranged both on the anode-side and on the cathode-side surface of the frame substrate (4) and has in each case at least one sealing bead (30) which is connected both on the anode side and on the cathode side via at least one gate (7) to a cast-on part (5) made of the sealing material. The through-opening (6) is filled with the sealing material, and the cast-on part (5) overlaps with the through-opening (6), wherein the through-opening (6) has a greater extent than the cast-on part (5) at least in the direction of the at least one runner (7).
Absstract of: WO2025186440A1
The present invention relates to electrical energy storage apparatus, such as rechargeable electrical energy storage devices such as batteries. We describe an electrochemical cell comprising: a chamber containing an electrolyte and a porous membrane dividing the chamber into a first compartment and a second compartment. The cell includes a first electrode, associated with the first compartment; and a second electrode, associated with the second compartment. The first compartment contains a first triphasic gas storage material in contact with the first electrode; and the second compartment contains a second triphasic gas storage material in contact with the second electrode. The first compartment further contains hydrogen gas, and the second compartment contains oxygen gas. In preferred examples, the first and/or the second triphasic gas storage material is a material selected from a polymer of intrinsic microporosity, a metal-organic framework, a zeolite or a porous silicate.
Absstract of: WO2025186137A1
A plug connection for a system for cell voltage monitoring of a fuel cell has at least one plug (3) and at least one socket (1), wherein the socket (1) is formed in an edge region of a bipolar plate (10) of a fuel cell and is configured to interact with the plug (3) in order to produce an electrical connection. The plug (3) has at least two plug elements (4) and the socket (1) has at least two slots (2) each for one of the plug elements (4), wherein the at least two plug elements (4) are fixedly arranged in the plug (3) relative to one another at a respective plug position.
Absstract of: WO2025185983A1
The invention relates to a method for producing a seal on a substrate, in particular on a layer of an electrochemical cell, by means of stencil printing, the method comprising the following steps: a) applying a sealant and/or adhesive (3) to a stencil (4) resting on the substrate to be printed; b) filling at least one recess (5) of the stencil (4) with the sealant and/or adhesive (3) using a doctor blade (6) which is drawn over the stencil (4) in a predetermined doctor blade direction for this purpose such that the doctor blade (6) presses the sealant and/or adhesive (3) into the at least one recess (5); and c) releasing the sealant and/or adhesive (3) from the stencil (4). According to the invention, the doctor blade process in step b) is recorded with the aid of at least one camera (7), and the recording is subjected to an image analysis in order to detect defects, in particular trapped air bubbles (8).
Absstract of: WO2025185985A1
The invention relates to a method for producing a seal and/or adhesive structure on a substrate (2), in particular on a layer of an electrochemical cell, by means of stencil printing, the method comprising the following steps: a) placing the substrate (2) on a printing table (10); b) bringing the substrate (2) into contact with a one-piece stencil or at least one stencil part (3.1) of a multi-part stencil; c) securing the position of the stencil or of the at least one stencil part (3.1) relative to the substrate (2); d) filling at least one recess (4) of the one-piece or multi-part stencil with a sealant and/or adhesive in a doctor blade process; and e) releasing the sealant and/or adhesive from the at least one recess (4). According to the invention, the position of the stencil or of the at least one stencil part (3.1) relative to the substrate (2) is secured in step c) by means of a magnetic or suction force which pulls the stencil or the at least one stencil part (3.1) towards the substrate (2).
Absstract of: WO2025186063A1
The invention relates to a new electrolyte involving iron salts to be used as anolyte and/or catholyte in an all-iron hybrid redox flow battery. Said electrolyte, as well as iron salts in high concentration, comprises various additives that grant key properties such as stability, balanced pH, and ionic conductivity (needed to avoid salt precipitation), and also inhibit H2 evolution/generation thus enabling good quality iron platting. Therefore, the field of the invention is the iron redox flow battery industry.
Absstract of: WO2025185966A1
The present invention relates to an operating method (100) for operating a fuel cell system (200), wherein the fuel cell system (200) comprises a multiplicity of fuel cell sub-systems (201, 207) and a number of system assemblies (213, 217), which are each configured to operate all the fuel cell sub-systems (201, 207) of the multiplicity of fuel cell sub-systems (201, 207) together, wherein each fuel cell sub-system (201, 207) comprises a number of sub-assemblies (205, 211), which are each configured to operate specifically just one respective fuel cell sub-system (201, 207) and wherein the operating method (100) comprises operating (101) the multiplicity of fuel cell sub-systems (201, 207) in a symmetrical operating mode, in which each fuel cell sub-system (201, 207) is operated at a centrally provided system operating point, and/or operating (103) the multiplicity of fuel cell sub-systems (201, 207) in an asymmetrical operating mode, in which each fuel cell sub-system (201, 207) is operated at an individual operating point.
Absstract of: WO2025185956A1
The present invention relates to a water separator (10) for a fuel cell in a vehicle. 1. The water separator comprises a housing having an inlet (15) for supplying an exhaust gas from an outlet of a stack of the fuel cell (1) and an outlet (16) for returning hydrogen gas to the fuel cell (1). A discharge valve (12) is used to discharge liquid water, and a venting valve (13) is used to discharge gas. A filling level sensor (30) arranged in the housing is used to capacitively measure the filling level of liquid water in the water separator (10). The filling level sensor (30) outputs a measurement signal that is proportional to the filling level. The filling level sensor (30) also comprises a slosh damping and splash guarding device (31) as protection against sloshing waves and water splashes.
Absstract of: WO2025185907A1
The present invention relates to a valve device (10), for example for a hydrogen jet pump device in a fuel cell application, comprising a main channel (MC) and at least one bypass channel (BC) within a valve body, a tappet (TP), and a spring (SP) which is arranged at one end of the tappet (TP).
Absstract of: WO2025184823A1
The present invention relates to an electrochemical stack comprising: electrochemical cell (s) comprising, among others: a membrane arranged between an upper frame and a lower frame, wherein the membrane contacts the upper frame by an upper membrane sealing gasket and the lower frame by a lower membrane sealing gasket. The electro-chemical stack further comprises other layers, and the layers are compressed together. The upper and lower frames each comprise an inlet channel and an outlet channel. The membrane sealing gaskets are provided on a first surface of the frames and the channels are provided on the opposing second surface of the frames, each membrane sealing gasket compressing on a portion of the channels during the compression. Reinforcement rib(s) are provided in the portion of each channel on the second surface of the frame, at a position corresponding to part (s) of the membrane sealing gasket that compress on the portion of the channel, and wherein fluid flow through the portion of each channel is split into two or more sub-channels, wherein at least two adjacent sub-channels are created by a wall formed by the reinforcement rib, such that each membrane sealing gasket is compressible to 90%or less of its height before compression. A redox flow battery comprising the electrochemical stack and a method of producing electricity are also provided.
Absstract of: CN120637520A
本发明涉及燃料电池制备技术，旨在提供一种超低树脂含量高强度石墨双极板材料的制备方法。该方法包括：在石墨粉体材料的制备过程中，利用硝酸铈铵实现石墨微片的定向聚集；利用锂离子和镁离子调控石墨的热膨胀方向，配合电化学及微波加热工艺，得到近球形蠕虫石墨；通过金属元素掺杂，提高石墨粉体的表面能；使用聚甲基丙烯酸甲酯‑尼龙酸甲酯，使树脂与石墨相均为连续分布。本发明中基于树脂与石墨间的界面能降低，形成调幅分解双连续相分离结构，能够带来在低树脂含量条件下达成高强度高韧性的特性，进一步提高复合双极板的机械性能；由于较低的树脂含量，使得本发明所得复合石墨双极板具有良好的导电性和导热性。
Absstract of: WO2024162796A1
The present application relates to a metal separator plate and a method for manufacturing same. According to the metal separator plate and manufacturing method therefor in the present application, excellent electrical conductivity, corrosion resistance, and superior adhesion of the coating layer can be achieved.
Absstract of: TW202432623A
The present invention relates to a novel polymer and an anion exchange membrane comprising the same and thus having improved ion conductivity and durability.
Absstract of: CN120638513A
本发明公开了一种考虑氢能设备的电热氢综合能源系统容量配置方法，涉及容量配置技术领域。根据电热氢综合能源系统中电解槽和氢燃料电池的机理模型，确定氢燃料电池的功率约束条件和电解槽的功率约束条件；以投资成本、购能成本、弃风成本、运行成本和碳交易成本最小为目标，建立电热氢综合能源系统的目标函数；根据目标函数和功率约束条件，构建电热氢综合能源系统的容量优化配置模型，并对容量优化配置模型进行求解，得到电热氢综合能源系统的容量配置方案。该方法能够得到准确的电热氢综合能源系统的容量配置方案。
Absstract of: CN120633256A
本申请涉及电化学分析技术领域，尤其涉及电解电池堆分析方法、装置、计算机设备及存储介质，方法包括：获取待分析电池堆的初始内部状态数据，初始内部状态数据包括初始温度场、初始气体浓度场、初始电极阻尼系数；将初始内部状态数据输入到预先构建的非等温辛动力学模型，得到电池堆的电流密度、更新温度场、更新浓度场；将更新温度场和电流密度输入至动态等效电路模型，得到电池堆的过电位参数；利用过电位参数，基于电流密度进行多尺度耦合时间积分，得到电池堆的热应力分布；基于电流密度、更新温度场、更新浓度场、热应力分布，生成电池堆的分析结果，能够提高电池堆分析可靠性。
Absstract of: AU2024215870A1
Provided is a manufacturing method for a gas diffusion layer 10 that has a carbon fiber layer 10a including carbon fibers and a porous layer 10c including a conductive material and a binding resin. The manufacturing method for the gas diffusion layer 10 uses a spraying method or a vapor phase method to impart a conductive material P from a surface 10b side of the carbon fiber layer 10a of a laminate having the carbon fiber layer 10a and the porous layer 10c. The manufacturing method enables an electrolytically active gas diffusion layer to be manufactured.
Absstract of: CN120621088A
本发明涉及车辆动力系统技术领域，具体涉及一种集成式氢燃料电池车辆动力系统及控制方法，系统包括动力驱动模块、燃料电池模块、蓄电池模块以及整车控制模块，燃料电池模块包括集成布置的电池单元、释氢单元以及换热单元，电池单元包括电池封装箱、电池堆以及复合端板，复合端板贴合紧压在电池堆上，其内形成有密闭的水解腔室，释氢单元包括分别与水解腔室连接的原料组件、供水组件、尾液组件，以及将水解腔室分别与电池堆反应侧和原料仓连接的供氢组件，换热单元包括设置在水解腔室内的换热腔室，蓄电池模块与燃料电池模块分别连接动力驱动模块。本发明能够在提升空间适配性和系统效能的同时，大幅增加车辆动力系统的续航能力。
Nº publicación: CN120637538A 12/09/2025
Applicant:
一汽—大众汽车有限公司
Absstract of: CN120637538A
本申请提供一种热管理的控制方法和控制系统，方法用于需要监测出入口温差的设备，方法包括：获取设备的停机信号，其中，处于工作状态的设备收到停机信号后，开始停机；获取设备的启动信号，其中，处于停机状态的设备收到启动信号后，开始工作；基于停机信号和启动信号的获取时间，获得设备的停机时长；当停机时长大于第一预设时长时，启动温差故障监测系统；当停机时长小于第一预设时长时，暂时关闭温差故障监测系统，然后实时采集设备的入口温度和出口温度，基于入口温度、出口温度以及设备停机再启动后的工作时长确定是否启动温差故障监测系统。本申请提供的方法和系统，能够降低误报的概率，同时具有较高的安全性。
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