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573
results.
Updated on
25/12/2025 [06:48:00]
Results 250 to 275 of 573
Absstract of: WO2025257146A1
A system includes a fuel cell comprising an anode, a cathode, and an electrolyte configured to enable ionic movement between the anode and the cathode in response to a fuel and an oxidizing agent being received by the fuel cell thereby producing electricity, an anode exhaust gas, and a cathode exhaust gas. The system also includes an anode exhaust gas processing assembly configured to produce, by way of the anode exhaust gas, a carbon dioxide in a liquid form. The system also includes a cathode exhaust gas processing assembly configured to produce, by way of the cathode exhaust gas, a heated flow of water or steam, a chilled flow of water, or both.
Absstract of: WO2025257283A1
The invention relates to an electrochemical device (1) comprising a solid structure (5) that comprises: - a plurality of electrochemical cells (7) forming a block (9); - end plates (11) placed at both ends of the block (9) in the direction of stacking of the cells; - mechanical connection members (13) that urge the end plates (11) towards each other in the direction of stacking (E); the electrochemical device (1) further comprising a first external header (33) pressed against the first main face (17) of the block (9) and in fluid communication with the flow passages (15) of each electrochemical cell (7), wherein the first header (33) comprises first stops (35) that co-operate with the first and/or second side faces (21, 23) of the block (9) and/or with the mechanical connection members (13) and define the position of the first external header (33) on the first main face (17) in a transverse direction (T) perpendicular to the direction of stacking (E).
Absstract of: WO2025257320A1
Disclosed is an individual tower (1) for stacks (2) of single repeating units (SRU) (11) of high-temperature solid oxide electrolyzer cells (SOEC) or solid oxide fuel cells (SOFC), comprising: a fluid collection element, called fluid manifold, arranged to collect/distribute the fluids coming from/going to the individual tower; an electrical collector assembly (4), called electrical collector (4), arranged to connect, route and isolate, in the tower, the electrical cables for monitoring/controlling and/or operating the stacks and elements of the individual tower requiring monitoring/controlling and/or operating; two supply buses (5, 6) which are arranged to carry electricity coming from/going to the SRU and are connected to the stacks via, respectively, an upper end plate (71) and a lower end plate (72); and heating units (8) arranged to heat the stacks.
Absstract of: WO2025255595A1
The present invention relates to a control method for controlling at least one operating parameter (BP) of a fuel cell system (100) having at least two fuel cell stacks (110), the fuel cell stacks (110) each having a fuel section (120) and an air section (130), wherein the following steps are provided: specifying a target value (SW) for the operating parameter (BP) to be controlled; specifying a control position (SP) of an actuator (140) common to at least two fuel cell stacks (110) for adjusting the operating parameter (BP) to be controlled on the basis of the specified target value (SW) for the at least two fuel cell stacks (110); detecting a respective at least one stack actual value (STI) of the operating parameter (BP) to be controlled for each fuel cell stack (110); determining a common system actual value (SYI) for the at least two fuel cell stacks (110) on the basis of the detected stack actual values (STI) by means of a combination relationship (KB) between the detected stack actual values (STI) and the common system actual value (SYI); determining a control deviation (RA) of the determined system actual value (SYI) from the predefined target value (SW); adapting the predefined control position (SP) on the basis of the control deviation (RA).
Absstract of: WO2025257180A1
The invention relates to a cartridge (1), comprising: a foot (20) that slides relative to a base (10) in a compression direction (X1); a spring (30) that applies a pressing force (F30) to the foot (20) in the compression direction (X1); a joining means (17) for joining the foot (20) to an end plate (53), for bearing against a stack (51) of electrochemical cells (52) in the compression direction (X1) and while the base (10) is retained in the opposite direction; and a holding system (40) with a primary retaining portion (41) which is secured to the base (10), and a secondary retaining portion (42) which is secured to the foot (20), the primary (41) and secondary (42) portions being configured to be coupled in order to prevent the foot (20) from sliding, and to be decoupled in order to allow the foot (20) to slide.
Absstract of: WO2025256857A1
The invention relates to a method for operating a fuel cell system (301) in a vehicle (300), wherein the method has the steps of: determining the power demand on the fuel cell system (301) for a future period of time, selecting an operating mode (M1.1, M1.2, M1.3) from a number of operating modes (M1.1, M1.2, M1.3) on the basis of the determined power demand if the determined power demand is less than a specified threshold value, setting an air system pilot control and the cathode exhaust gas recirculation rate of the fuel cell system (301) according to the selected operating mode (M1.1, M1.2, M1.3), the number of operating modes (M1.1, M1.2, M1.3) comprising: a first operating mode (M1.1) in which more electrical energy is provided by the fuel cell system (301) than is consumed by the fuel cell system (301), a second operating mode (M1.2) in which the same amount of electrical energy is provided by the fuel cell system (301) as is consumed by the fuel cell system (301), and a third operating mode (M1.3) in which less electrical energy is provided by the fuel cell system (301) than is consumed by the fuel cell system (301).
Absstract of: WO2025256718A1
The present invention relates to a bipolar plate (10) for an electrochemical energy converter (100), the bipolar plate (10) comprising a main body (11) with a first side (12) and an opposing second side (14), wherein flow channels (20) of the bipolar plate (10) are formed on the first side (12) and on the second side (14) at least partially by the main body (11), wherein the bipolar plate (10) comprises connecting flaps (30) which connect the flow channels (20) of the first side (12) with the flow channels (20) of the second side (14), wherein the connecting flaps (30) are integrally formed from the main body (11). Furthermore, the invention relates to an electrochemical energy converter (100) comprising at least one bipolar plate (10).
Absstract of: WO2025259488A1
A method for controlling the humidity of a fuel cell stack air inlet (12, 112), a fuel cell system (8, 108) in which the method may be exercised, and a fuel cell system controller (160) adapted to execute the method in a fuel cell system (8, 108). The method for controlling the humidity includes detecting the humidity of air entering a fuel cell stack air inlet (12, 112) downstream a humidifier (16, 116), detecting the water level of a water reservoir (24, 124), and using the detected values to control the humidity of air entering the fuel cell stack (10, 110) by controlling a supply of water from the water reservoir (24, 124) to a spray nozzle (38, 138) downstream the humidifier (16, 116).
Absstract of: WO2025257571A1
The present invention provides an ion-conducting membrane comprising: (a) an ion-conducting polymer; and (b) a hydrogen radical scavenger.
Absstract of: WO2025257277A1
The invention relates to a fuel cell system (100, 200), comprising: a fuel cell stack (110) having a plurality of fuel cells (300), each fuel cell having a first electrode with a first polarity and a second electrode with a second polarity, which differs from that of the first electrode, the first electrodes being electrically connected to the second electrodes in each case, one of the first electrodes being in the form of a first terminating electrode (320) and one of the second electrodes being in the form of a second terminating electrode (330) of the fuel cell stack (110), and the fuel cell stack (110) being situated between the first terminating electrode (320) and the second terminating electrode (330); a hydrogen supply line (120) through which hydrogen which has been subjected to a first conditioning process can be supplied to the first electrodes; and an air supply line (135) through which air can be supplied to the second electrodes. The hydrogen supply line (120) has a first connection (160) through which hydrogen which has been subjected to a second conditioning process or nitrogen which has been subjected to a specified nitrogen-conditioning process can be supplied to the first electrodes, and the air supply line (135) has a second connection (170) through which hydrogen which has been subjected to the second conditioning process or nitrogen which has been subjected to the specified nitrogen-conditioning process can be supplied to the second electrodes. The fuel
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: 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: 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: 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: 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: 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: CN121149317A
一种碳循环超级储能系统。尤其储电量巨大、对电网调控能力强、低成本和高效益的储能技术。碳循环超级储能系统是一个以提取空气中的一氧化碳或二氧化碳或者使用工业一氧化碳或二氧化碳作为储能介质，利用冷能物质可存储冷能的特性，把大量一氧化碳或二氧化碳转化为液态一氧化碳冷能物质或液态二氧化碳冷能物质并进行存储，冷能物质使用其中冷能之后，还原为一氧化碳或二氧化碳又可以作为合成燃料的原料，燃料使用之后产生的一氧化碳和二氧化碳，经过收集又再次成为本储能系统的储能介质。本技术方案很好地调控电网的电力，保障电网的平稳与安全，大力促进我国太阳能和风能等等新能源的发展。既可解决温室效应的问题又可解决大量合成能源的原料问题。它是一种实现碳达峰碳中和要求目标的新技术新方案。
Absstract of: CN121149325A
本发明公开了一种在溴基液流电池中应用的经氮化硼修饰的功能化隔膜及其制备方法，属于液流电池领域，采用廉价的氮化硼（BN）进行简易球磨与强碱预处理所制备，将含有BN的氢氧化钠（NaOH）溶液进行超声、加热，洗涤、抽滤、干燥，干燥过后的BN和碳纳米管（CNTs）与全氟磺酸基聚合物（Nafion）溶液进行充分混合，并负载到隔膜表面，使隔膜表面形成一种油状的功能层，所制备的功能化隔膜可以提高电压效率与电池的能量效率。
Absstract of: CN121149270A
本发明提供一种氢燃料电池膜电极催化剂层，包括阴极催化剂层和阳极催化剂层；所述阴极催化剂层由质子交换膜向外依此包括第一催化剂层、第二催化剂层，第一催化剂层I/C比小于第二催化剂层I/C比，形成连续梯度阴极催化剂层；所述阳极催化剂层由质子交换膜向外依次包括第三催化剂层、第四催化剂层，第三催化剂层I/C比小于第四催化剂层I/C比，形成连续梯度阳极催化剂层。本发明连续梯度催化剂层对相对湿度变化表现出更好的耐受性，制备的膜电极性能优于传统电极，并在不同的RH条件下保持最佳性能，在所有相对湿度操作条件下都显示出较高的相对功率密度，优化膜电极对湿度条件的操作窗口范围，有效提升膜电极对湿度操作条件的耐受性。
Absstract of: CN121149281A
本发明提供了一种可逆固体氧化物电池电堆组件用层间复合密封结构及其制备方法和应用，涉及可逆固体氧化物电池技术领域。本发明所述可逆固体氧化物电池电堆组件用复合密封结构由陶瓷基密封材料和玻璃基密封材料构成，呈陶瓷/玻璃/陶瓷夹层构型或玻璃/陶瓷/玻璃夹层构型。本发明通过梯度三明治复合材料结构设计，成功解决了现有技术中单一材料体系无法兼顾结构强度与密封性能的技术问题。此外，本发明工艺参数可控，便于工业化生产，结构设计灵活可调，能够适应不同电堆规格和工况要求。本发明显著提升了可逆固体氧化物电池电堆的界面密封可靠性，降低了高温密封结构失效风险，延长了电堆使用寿命，具有良好的产业化应用前景。
Absstract of: CN121149276A
本发明提供一种流场板、单电池、电堆以及电化学能量转换装置，流场板具有第一侧、第二侧和外周侧，流场板设有流道，流道包括设于第一侧的第一凹槽和设于第二侧的间隔设置的多个第二凹槽；第一凹槽包括两个连接段和主体段，多个第二凹槽与一个连接段在流场板的厚度方向上相对，每个第二凹槽的延伸方向与对应的连接段的延伸方向相交，且第二凹槽与连接段在第二凹槽与连接段的相交处连通，第二凹槽贯穿外周侧，以形成流道的进口或者出口。通过在流场板的第一侧设置连续的第一凹槽、第二侧设置与连接段相交且连通的第二凹槽，使流体进口区或出口区兼具点阵流场的均匀分布优势，又保证膜电极组件获得连续线支撑，兼顾产品性能与可靠性。
Nº publicación: CN121149277A 16/12/2025
Applicant:
贵州志喜科技有限公司
Absstract of: CN121149277A
本发明的实施例提供了一种全钒液流电池电堆导流框结构及液流电池系统，涉及液流电池领域。该全钒液流电池电堆导流框结构包括框本体和均流部；其中，框本体沿第一方向依次设置有进口、反应区和出口，进口和反应区之间、反应区与出口之间均连通有导流通道，均流部设置于导流通道与反应区之间。在工作过程中，进口用于输入电解液，出口用于输出电解液，当导流通道和反应区之间传输电解液时，均流部的存在可以使得电解液进入或者流出反应区时更加均匀，从而避免反应区中不同位置的电解液的浓度差的问题，并降低了电解液中离子的迁徙距离，加快了在电极上反应速率。该液流电池系统包括全钒液流电池电堆导流框结构，其具备全钒液流电池电堆导流框结构的全部功能。
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