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Power connection for electrochemical cell stack

Absstract of: GB2643198A

An electrochemical cell assembly 10 comprises a stack of cell units 12, at least one positive and at least one negative electrical end plate 14a-b, and a top plate 16; wherein at least one of the electrical end plates comprises an electrical stud 18 that extends from the electrical end plate and passes through an opening in the top plate to form an electrical terminal; there are sealing means 21; and biasing means 22, provided at the electrical stud, to bias the electrical stud away from the stack of cell units. The biasing means may be a spring, conical washer (figure 2), or flexion means (figure 3). There may be an electrical tab 24 which is connected to the top plate at a position offset from the electrical stud. A method of assembly comprises compressing the stack and providing biasing means to bias the end plate towards the top plate.

Proton exchange membrane fuel cells bipolar plate assembly

Absstract of: GB2643100A

The PEM FC BPP assembly includes a cathode plate 50, an anode plate 60, and an insert 20. The insert is positioned between the cathode and anode plates; and is comprised of a metal, a composite, foil, mesh, or a combination thereof, the insert including at least one corrugated structure having peaks provided from 1-10mm apart and bonded to the anode and cathode plates at, at least one of its peaks and troughs. The corrugated structure may comprise at least one perforation which may be scallop shaped. The insert may comprise a plurality of pieces brazed together. The corrugated insert may comprise warp and weft wires which may be varied to form multiplex patterns. The need for gaskets to maintain pressure in the fuel cell may be minimised by the insert under compression. A further aspect is a method for cooling a PEM FC BPP comprising passing cooling fluid through the insert. The PEM FC BPP assembly may be included in an electric device comprising an electric vertical take-off and landing aircraft.

FUEL CELL STACK

Absstract of: EP4693536A1

the invention is related to a fuel cell stack (100) for providing a fuel cell functionality, comprising multiple fuel cells (110) stacked upon each other along a stack direction (SD), wherein end plates (122, 124) cover the stacked fuel cells (110) at both ends (120), characterised in that the end plates (122, 124) are connected in stack direction (SD) with each other by a tensioning system (10), wherein the tensioning system (10) comprises at least one bendable tensioning means (20) being fixed with a first tensioning end (22) at one of the end plates (122), extending at least partly along the stack direction (SD) to the other end plate (124), being wound around at least one turning means (30) at the other end plate (124), having a spring element (40) at the second tensioning end (24) fixed at one of the end plates (122, 1244) providing a spring tensioning force (STF) in the tensioning means (20) between the second tensioning end (24) and first tensioning end (22) to provide a compression force (CF) to the fuel cells (110) via the two end plates (122, 124).

REDOX FLOW BATTERY SYSTEM AND METHOD FOR OPERATING SAME

Absstract of: AU2024270439A1

The invention relates to a method for operating a redox flow battery system, in which method an intervention is carried out in a battery module (1), which intervention comprises the following steps: - stopping the supply of electrolytic fluid to at least some of the cell assemblies (2) of the corresponding battery module (1); - short-circuiting the cell assemblies (2) of the corresponding battery module (1) to which the supply of electrolytic fluid was stopped when a potential difference between the negative electrolyte and the positive electrolyte in a cell assembly (2) of the corresponding battery module (1) has fallen below a predefined value; - carrying out measures; - supplying electrolytic fluid to the cell assemblies of the corresponding battery module (1) to which the supply of electrolytic fluid was stopped; - opening the short circuits of the cell assemblies (2) of the corresponding battery module (1).

METHOD FOR MONITORING THE STATE OF A REDOX FLOW BATTERY SYSTEM

Absstract of: CN120958615A

The invention relates to a method for monitoring the state of a vanadium-based redox flow battery system, in which the battery system comprises at least two battery modules (1), a bi-directional converter (6) and a control device (7), in which the battery modules are connected in series and to the bi-directional converter, and in which the control device (7) is connected to the bi-directional converter. Each battery module comprises a cell device having a plurality of redox flow cells, a measuring device (5) for detecting a potential difference, and a reservoir (3) for storing a negative electrolyte and a positive electrolyte and for supplying the cell device with the electrolyte, the method comprises the following steps: S1, identifying at least one battery module suspected to be subjected to electrolyte transfer; s2, turning off the pump of the at least one identified battery module at a time t1 while the battery system is in a "discharge" operating state; s3, repeatedly detecting the potential difference value of at least one identified battery module until (later) time t2; and S4, determining the AOS of at least one identified battery module according to the potential difference value detected in the step S3.

A FUEL CELL

Absstract of: CN120981942A

The present disclosure provides a fuel cell comprising at least one fuel cell plate 200, 201. Each fuel cell plate 200, 201 comprises a membrane electrode assembly (MEA) 113 comprising at least one ion permeable membrane, at least one anode, and at least one cathode wherein the one or more anodes are arranged on a first surface of the ion permeable membrane and the one or more cathodes are arranged on a second surface of the ion permeable membrane. Each fuel cell plate 200, 201 further comprises a first insulating layer 101 and a second insulating layer 102, the first insulating layer 101 comprising at least one first fluid path and the second insulating layer 102 comprising at least one second fluid path. The MEA113 is positioned between the first insulating layer 101 and the second insulating layer 102 such that the at least one first fluid path is arranged such that an oxidant fluid can flow to the one or more cathodes of the at least one fuel cell plate, and such that the at least one second fluid path is arranged such that a reductant fluid can flow fluidly to the one or more anodes of the at least one fuel cell plate. The fuel cell plate comprises at least one third fluid path for a heat exchange fluid 302.

COMPOUNDED FLUORINATED SULFONYL FLUORIDE POLYMERS AND ION EXCHANGE MEMBRANES MADE THEREFROM

Absstract of: CN120898031A

The present invention relates to a composition comprising from about 90% to about 99.99% by weight of one or more non-crosslinked fluorinated sulfonyl fluoride polymers and from about 0.01% to about 10% by weight of one or more noble metal catalysts, based on the total weight of the composition, wherein the one or more noble metal catalysts are uniformly distributed throughout the one or more non-crosslinked fluorinated sulfonyl fluoride polymers. Such compositions may be formed as cation exchange precursors, for example by extrusion, and, after treatment, form cation exchange membranes. The resulting films and membranes have a noble metal catalyst uniformly distributed throughout the layer of the catalyst-containing polymer.

ELECTROLYSER CELL UNITS WITH FLAT SEPARATOR, AND A METHOD FOR MANUFACTURING AN ELECTROLYSER CELL UNIT

Absstract of: CN120936755A

The present application relates to an electrolytic cell battery cell having a battery layer (1314) comprising an electrochemically active battery region (1350), the battery layer (1314) having a first side (1315a) and a second side (1315b). The cell defines a first fluid flow region (1360) for delivering fuel to the first side (1315a) of the cell layer (1314) and a second fluid flow region (1365) for discharging fluid from the second side (1315b) of the cell layer (1314). A cross-sectional area of the second fluid flow region (1365) is less than a cross-sectional area of the first fluid flow region (1360).

CARBON DIOXIDE SEPARATION PLANT USING EXTERNAL REFRIGERATION CIRCUIT, AND METHOD

Absstract of: CN120882470A

The apparatus includes a heat exchanger adapted to receive a compressed inlet flue gas stream and to condense CO2 contained in the compressed flue gas stream. The apparatus further comprises a separation drum adapted to receive a chilled flue gas stream comprising at least partially liquefied CO2 from the heat exchanger and to separate liquid CO2 from the chilled flue gas stream. Pressurized CO2 collected at the liquid outlet of the separation drum flows through a pressurized CO2 outlet conduit extending through the heat exchanger without expanding. Liquefied or supercritical carbon dioxide produced at the outlet of the heat exchanger does not need to be compressed again. A refrigeration circuit removes heat from the inlet flue gas continuously flowing through the heat exchanger.

METHOD OF MAKING A CARBON-ENZYME LAYER FOR A WORKING ELECTRODE OF A CONTINUOUS BIOLOGICAL MONITOR

Absstract of: EP4692366A2

Briefly, a sensor for a continuous biological monitor is provided for measuring the level of a target analyte for a patient. The sensor has a working wire and a reference wire, where the working wire has an analyte limiting layer that passes more than 1 in 1000 analyte molecules from the patient to an enzyme layer. The enzyme layer has an enzyme entrapped in a polyurethane cross-linked with acrylic polyol. As free electrons are generated, a conductor transfers the electrons to the biological monitor. In some cases, the sensor may be constructed without the use of any expensive platinum.

CONDUCTIVE CATALYTIC PARTICLE AND METHOD OF PRODUCING CONDUCTIVE CATALYTIC PARTICLES

Absstract of: WO2024205414A1

Conductive catalytic particle for heterogeneous catalysis as well as a method of producing said particles is presented. The method comprises a provision step (S1) of providing, in a vessel, porous particles comprising a porous support material carrying a catalyst material, and an impregnation step (S5) of exposing, in the vessel, the porous particles to an impregnation solution comprising a conductive polymer in carbon dioxide, thereby impregnating the porous particles with the conductive polymer to obtain the conductive catalytic particles.

METHOD FOR MANUFACTURING A CATALYST-COATED MEMBRANE

Absstract of: CN120752767A

A method of making a catalyst coated ion conducting membrane for use in an electrochemical device, such as a fuel cell or an electrolytic cell, is provided. The method includes providing an electrolyte membrane having a first face and a second face, the first face disposed opposite the second face. A first catalyst ink is deposited onto the first side of the electrolyte membrane to form a first wet catalyst layer, and then dried to form a first catalyst layer on the first surface of the electrolyte membrane. The first catalyst ink comprises a first ionically conductive polymer; a first electrocatalyst; and a first dispersant. Subsequently, a second catalyst ink is deposited onto a second face of the electrolyte membrane to form a second wet catalyst layer and dried to form a second catalyst layer. The second catalyst ink comprises a second ionically conductive polymer; a second electrocatalyst; and a second dispersant. Before depositing the second catalyst ink onto the second side of the electrolyte membrane, the first catalyst layer is subjected to a temperature A of 130 DEG C or more, and the second catalyst layer is subjected to a temperature B lower than the temperature A.

POROUS TRANSPORT LAYER

Absstract of: CN120882906A

A porous transport layer for an electrolytic cell or for a fuel cell, the porous transport layer comprising: a first non-woven layer having metal fibers, the first non-woven layer having metal fibers being arranged for contacting a proton exchange membrane, where the first non-woven layer having metal fibers comprises metal fibers having a first equivalent diameter, and the second non-woven layer having metal fibers having a second equivalent diameter; wherein the first non-woven layer having metal fibers has a first surface roughness and a first porosity,-a second non-woven layer having metal fibers wherein the second non-woven layer having metal fibers comprises metal fibers having a second equivalent diameter, wherein the second nonwoven layer having metal fibers has a second surface roughness and a second porosity wherein the first surface has a material ratio of less than 5% material at a height of 5 mu m and greater than 70% material at a depth of-5 mu m, the first equivalent diameter is less than the second equivalent diameter, the first surface roughness is at least 20% less than the second surface roughness, and the second surface roughness is at least 20% less than the second surface roughness. The first porosity is at least 10% less than the second porosity, such as in the range of 20% to 120%, for example, the first porosity is at least 10% less than the second porosity, such as in the range of 10% to 50%, and wherein the first nonwoven layer is metallurgically bo

METHOD TO OPERATE A REDOX FLOW BATTERY AND REDOX FLOW BATTERY WITH IMMISCIBLE ELECTROLYTES

Absstract of: WO2024208810A1

A redox flow battery comprises a reaction chamber (1), a first and a second electrode arranged within the chamber (1), a first electrolyte (70) and a second electrolyte, wherein the first electrolyte and the second electrolyte are immiscible fluids forming within the reaction chamber a liquid-liquid interface (73) between them. A position of the liquid-liquid interface within the reaction chamber is stabilized.

一种层叠双堆系统改善盲端单低的氢气管道进气装置

Absstract of: CN223898317U

本实用新型属于燃料电池电堆领域，具体涉及一种层叠双堆系统改善盲端单低的氢气管道进气装置。所述装置包括汽水分离器、排水阀、电堆和引射器模组；所述引射器模组包括颗粒过滤器、进氢阀、比例阀和双引射器；所述颗粒过滤器与进氢阀连接，所述进氢阀分为两路出口分别连接有比例阀，所述比例阀分别与双引射器的两个入口连接，所述双引射器的出口汇集成一路与电堆连接；所述双引射器的回氢口与汽水分离器的氢气出口连接，所述电的氢气出口与汽水分离器的氢气入口连接。本实用新型的层叠双堆进氢管道避开了直接垂直进堆，让回流氢气里面的水分平均的分布进入上下堆，从而解决下堆盲端单低问题。

一种膜电极封装用贴合装置以及燃料电池生产系统

Absstract of: CN223898319U

本申请提供一种膜电极封装用贴合装置以及燃料电池生产系统，属于燃料电池制造技术领域。膜电极封装用贴合装置包括贴合组件、边框放卷组件和驱动组件，贴合组件包括相对分布的钢辊和胶辊，钢辊和胶辊之间具有用于通过膜材的间隙；边框放卷组件位于钢辊的上游，用于经由钢辊将边框输送到间隙处与基材进行贴合；驱动组件与贴合组件驱动连接，以使得钢辊和胶辊能够相互靠近或远离，该膜电极封装用贴合装置能够有效改善边框和膜电极贴合以后存在平整性欠佳以及夹杂有气泡的问题。

电极框架、电池层、电化学电池堆以及电化学机构或系统

Absstract of: DE102023212858A1

Die Erfindung betrifft einen Elektrodenrahmen (100) für einen elektrochemischen Zellenstapel, insbesondere einen Elektrolysezellenstapel oder einen Brennstoffzellenstapel, wobei der Elektrodenrahmen (100), zum radialen (Rr) Fluiddichten eines Elektrodenraums des sich in Axialrichtung (Ax) ersteckenden Zellenstapels, um seine Elektrodenraum-Durchgangsausnehmung (103) in Umfangsrichtung (Ur) umläuft, wobei der Elektrodenrahmen (100) einen außen umlaufenden Außenrahmen (120) und radial (Rr) darin einen Innenrahmen (110) mit der Elektrodenraum-Durchgangsausnehmung (103) umfasst, wobei ein repräsentatives Volumenelement des Außenrahmens (120) steifer als ein gleich großes repräsentatives Volumenelement des Innenrahmens (110) ausgebildet ist.

一种NO还原产氨发电的高温质子膜燃料电池装置及方法

Absstract of: CN121507017A

本发明公开了一种NO还原产氨发电的高温质子膜燃料电池装置及方法，该装置包括阳极、阴极、质子交换膜、气体扩散层及外部电路。阳极配置为接收H2并进行氧化反应；阴极配置为接收NO气体并进行还原反应，通过阴极催化剂调控NO还原反应路径；质子交换膜为高温型质子交换膜，操作温度范围为100℃‑200℃；阴极催化剂配置为在施加的电位范围内调控NO还原路径，使得在0.9 V‑0.2 V的电位区间优先生成N2或N2O，在0.2 V‑0 V的电位区间生成NH3。本发明避免了低温下催化剂中毒问题，且可将有害NO污染物转化为高附加值化学品，解决了资源浪费问题；在发电的同时处理NO，提高整体能源利用效率，减少了二次污染，降低了运行成本，具有显著环境和经济效益。

钙钛矿基导电涂层修饰的钒电池石墨电极及其制备工艺

Absstract of: CN121507025A

本发明涉及钒液流电池电极材料技术领域，具体的说是钙钛矿基导电涂层修饰的钒电池石墨电极及其制备工艺。电极包括高纯度鳞片石墨基体（粒径50‑100μm，孔隙率30‑50%）与钙钛矿基导电涂层（总厚度50‑200nm）；涂层为多孔核壳结构，核层是CsPbI3‑CsSnI3固溶体（CsSnI3摩尔占比10‑30%）与N‑GQDs（添加量0.5‑2%）的复合相，壳层是10‑20nm厚多孔碳壳（孔径5‑20nm）。制备工艺为：石墨经酸洗、超声清洗、干燥预处理；配制含CsI、PbI3、SnI3、N‑GQDs及酚醛树脂的钙钛矿溶胶；浸渍提拉涂覆（速度5‑10mm/s）；惰性气氛下300‑350℃原位退火1‑2h。电极导电性提升20‑30%，钒离子吸附量增20‑30%，循环1000次容量保持率≥90%，工艺简单、成本低，易工业化。

一种燃料电池膜电极及其制备设备与方法

Absstract of: CN121507016A

本发明涉及燃料电池技术领域，公开了一种燃料电池膜电极及其制备设备与方法，其中的燃料电池膜电极包括：质子交换膜；催化剂层，设于质子交换膜的至少一侧，催化剂层包括多个催化单元，催化单元在质子交换膜上阵列分布，在同一行催化单元中，相邻两个催化单元之间部分重叠，相邻两行催化单元之间部分重叠，本发明在不增加贵金属用量的前提下，可实现反应动力学、传质效率与机械稳定性的协同提升，显著提高膜电极的功率密度、运行效率和长期可靠性。而且本发明的制备设备引入脉冲喷涂技术，可匹配不同形状和尺寸的膜电极生产，相较于普通喷涂和狭缝涂布，本发明无需投入新的工装或模具，即可实现不同形状和尺寸的膜电极的柔性制造。

多尺度粗糙结构气体扩散膜及其制备方法

Absstract of: CN121506989A

本发明公开了多尺度粗糙结构气体扩散膜及其制备方法。所述气体扩散膜包括由聚偏氟乙烯与第一尺寸NaCl颗粒经熔融成型并去除NaCl后形成的支撑层，以及设置于其上的由聚偏氟乙烯、多壁碳纳米管与第二尺寸NaCl颗粒经熔融成型并去除NaCl后形成的微孔层；气体扩散膜表面经溶剂热处理形成鱼鳞状粗糙结构，具备超疏水性能，水接触角大于160°，滚动角小于5°，CO2通量大于1.8 mL·cm‑2·min‑1·Pa‑1。本发明通过牺牲模板法与溶剂热处理相结合，构建了具有多尺度孔道和超疏水表面的气体扩散膜，显著提升了其在电化学CO2还原反应中的气体传质效率、抗电解质渗透能力及长期运行稳定性，适用于高电流密度条件下的CO2电化学还原系统。

一种根据流量系数判定液流电池最大功率的方法及系统

Absstract of: CN121507014A

本发明涉及一种根据流量系数判定液流电池最大功率的方法及系统，最大充电功率判定方法包括选取充电测试SOC值，满足充电截止条件的最大电流为充电测试SOC值的最大充电电流；根据充电测试SOC值、充电测试SOC值下的最大充电电流、第一电解液单侧单片流量以及电解液的总钒浓度计算得出充电流量系数；选取充电目标SOC值，根据充电流量系数计算得出充电目标SOC值下的最大充电电流；计算充电目标SOC值下单片电池的理论电压；计算充电目标SOC值下的最大充电功率。本发明基于实测得到的流量系数通过理论公式即可计算得出最大充放电功率，计算效率高，降低了测试的安全风险，提升了系统可靠性与通用性。

防災設備、この防災設備を備えた燃料電池車両、水素トレーラ及び定置式設備

Absstract of: JP2022146893A

To provide a disaster prevention facility capable of preventing re-closure of a fusible safety valve and visualizing a jet fire of hydrogen released into the atmosphere.SOLUTION: A disaster prevention facility 1 for cooling a hydrogen storage container 100 with a fusible safety valve 102 in outbreak of a fire, includes a cooling water 11a for cooling the hydrogen storage container 100, a first pipe 15 for supplying the cooling water 11a, and a nozzle 14 connected to the first pipe 15 and capable of jetting the cooling water 11a toward the hydrogen storage container 100. The disaster prevention facility is configured to prevent the fusing safety valve 102 from getting wet by the cooling water 11a jetted from the nozzle 14 toward the hydrogen storage container 100.SELECTED DRAWING: Figure 1

窒素含有多孔質炭素及びその製造方法、並びに燃料電池用電極触媒

Absstract of: WO2025169724A1

This invention relates to nitrogen-containing porous carbon. In the nitrogen-containing porous carbon, a part of a carbon element in the skeleton of a carbon material is substituted with a nitrogen element. A most frequent pore diameter of the nitrogen-containing porous carbon in a pore diameter range of 2.0 nm-50.0 nm inclusive is 2.0 nm-30.0 nm inclusive. In the nitrogen-containing porous carbon, the ratio of the mass of the nitrogen element to the mass of the carbon element is 0.005 or more. The nitrogen-containing porous carbon has a BET specific surface area of 400 m2/g or more as measured by a nitrogen adsorption method.

シート状チタン多孔質体

Nº publicación: JP2026021598A 10/02/2026

Applicant:

東邦チタニウム株式会社

Absstract of: JP2025151684A

To provide a sheet-like titanium porous body simultaneously reliably achieving an extremely high surface smoothness and a low contact resistance, and to provide a production method of the same.SOLUTION: A sheet-like titanium porous body has a contact resistance of 1.4 mΩ/cm2 or less. On at least one surface of the sheet-like titanium porous body, the average area of pores is 5 μm2 or more 20 μm2 or less, the standard deviation of the area of the pores is 45 μm2 or less, and the number of pores is 13.6 or more per 1,000 μm2. The contact resistance of the sheet-like titanium porous body may be 1.0 mΩ/cm2 or less.SELECTED DRAWING: Figure 1