Energía solar fotovoltaica

BIPOLAR PLATE FOR AN ELECTROCHEMICAL CELL

Resumen de: EP4726816A1

Bipolar plate (10) for an electrochemical cell, the bipolar plate comprising:- one main sheet (12) defining a plane, said horizontal plane (H), and- at least one spring sheet (14) shaped such that it defines:. upper peaks (20) and lower peaks (40) alternately distributed along the horizontal plane (H), the spring sheet (14) being deformable between a compressed state and an uncompressed state such that the distance in the vertical direction between the upper peaks (20) and the lower peaks (40) is variable,. connection sections (60) connecting one upper peak (20) to one lower peak (40),each connection section (60) includes one horizontal part (62) which is parallel to the horizontal plane (H) when the spring sheet (14) is in the uncompressed state, the horizontal parts (62) being positioned between the upper (20) and the lower (40) peaks with respect to the vertical direction.

OPTICAL SENSOR FOR IRON SALT BATTERY OPERATION

Resumen de: EP4726368A1

The invention provides a sensor for an iron salt battery, ISB, the sensor comprising: a light emitting device (10) configured to emit light at one or more wavelengths in the UV-Vis-IR range or one or more sub-ranges within the UV-Vis-IR range; a light detecting device (20) configured to detect light emitted by the light emitting device and having passed through ISB electrolyte (60); and an analyzing device (40) configured to determine at least one of a Fe(II) concentration, a Fe(III) concentration, or a ratio of Fe(III)/Fe(II) concentrations of the ISB electrolyte based on an intensity of the light emitted by the light emitting device and an intensity of the light detected by the light detecting device.

AIRCRAFT POWERPLANT WITH BOOSTED TURBINE ENGINE AND FUEL CELL SYSTEM

Resumen de: EP4726189A1

A powerplant (20) for an aircraft includes a first turbine engine (22), a second turbine engine (24) and a fuel cell system (26). The second turbine engine (24) includes a second engine flowpath (100), a second engine compressor section (96), a second engine combustor section (97 and a second engine turbine section (98). The second engine flowpath (100) extends from a second engine flowpath inlet (114) to a second engine flowpath outlet (116). The second engine flowpath inlet (114) and the second engine flowpath outlet (116) are each fluidly coupled with a flowpath (80) of the first turbine engine (22). The fuel cell system (26) includes a fuel cell, a fuel circuit (142) and an air circuit (144). The fuel circuit (142) extends through the fuel cell and is fluidly coupled with and upstream of a first fuel injector in the second engine combustor section (97). The air circuit (144) extends through the fuel cell and is fluidly coupled with and downstream of a bleed (160) from the second engine flowpath (100).

METHOD AND ARRANGEMENT FOR DETERMINING THE CHARGE IMBALANCE OF A REDOX FLOW BATTERY

Resumen de: WO2024256353A1

In order to allow simple and precise determination of a charge imbalance (L) between the electrolyte liquids (5a, 5b) of a redox flow battery (1) over a long period of time, a present correlation (25) between the determined cell voltage (VOCV) and the determined at least one concentration potential (Ea, Eb) is ascertained for the period of time and the correlation (25) is evaluated in order to determine the charge imbalance (L).

HYDROGEN FUEL CELL OBTAINED BY SOLAR-POWERED EQUIPMENT

Resumen de: EP4726077A1

0001 Hydrogen fuel cell obtained by an equipment with ionization by means of solar energy characterized for being constituted by a fuel cell (CD) and a hydrogen generation equipment, where the elements of the set are the following ones: Fuel cell (50), constituted by an outer perimeter profile in cylindrical shape containing two oxidation-resistant sheets, spirally wound on themselves, of variable extension: outer membrane anode (51), inner membrane cathode (52) and between them an electrolyte (53) in closed circuit (57), with an outer cooling device (58) and a catalytic membrane (59) further outside, being located at the end of the membranes (51) and (52) the outputs of electricity (+) (55) and (-) (56) produced and, where the hydrogen is constituted by a hydrogen generator equipment attached.

SUBSEA HYDROGEN STORAGE SYSTEM

Resumen de: EP4726251A2

0001 A subsea unit suitable for storing hydrogen gas underwater comprises a weighting base and an array of interconnecting storage tanks on the base. The base may be cast from concrete on a deck of a vessel from which the unit is subsequently launched into water. A protective structure fixed to the base covers the array of tanks. 0002 A restraint system, comprising a series of strap restraints curving around the top of each tank, secures the tanks to the base against buoyant upthrust. The restraints are attached to elongate tensile members extending upwardly from the base, disposed on opposite sides of the underlying tank. The arrangement transfers loads efficiently from each tank to the base on load paths that bypass the other tanks.

INCREASING ELECTRICAL POWER OUTPUT OF AN ENERGY SOURCE

Resumen de: WO2024253870A1

Techniques for increasing an atomic surface area of contact surfaces of an energy source to cause the energy source to increase its energy output are disclosed. An energy source includes first and second contact surfaces, where these contact surfaces are structured to facilitate energy transfer between the energy source and a receiving unit. The contact surfaces each have a first surface area state with a first amount of atomic surface area. A process is applied to the contact surfaces to change the first surface area state to a second surface area state. The second surface area state has a second amount of atomic surface area which is more than the first amount of atomic surface area. The applied process may include applying a current or applying a short to the contact surfaces.

HOLLOW FIBER MEMBRANE MODULE

Resumen de: EP4725590A1

A hollow fiber membrane module 10 including an outer case 100, an inner case 200, a hollow fiber membrane bundle 300 having a plurality of hollow fiber membranes filled in an annular gap between the outer case 100 and the inner case 200, a first sealing part 410, and a second sealing part 420, the hollow fiber membrane module 10 further including a membrane exterior passage that is formed to pass from an opening of the inner case 200 through a first through hole 230 and reach a second through hole 130 through the exteriors of the plurality of hollow fiber membranes, and a membrane interior passage that is formed to pass through the interiors of the plurality of hollow fiber membranes, wherein, a cylindrical member 500 having a plurality of third through holes 510, each of which becomes a part of the membrane exterior passage, is provided between the hollow fiber membrane bundle 300 and the outer case 100.

ELECTRICAL POWER SOURCE

Resumen de: EP4475235A1

0001 Eine elektrische Energiequelle weist zwei Flussbatterien (1, 2) auf, die jeweils erste und zweite Pole (3 bis 6) aufweisen. Die ersten Pole (3, 4) sind elektrisch miteinander verbunden. An den zweiten Polen (5, 6) ist ein jeweiliges Nutzpotenzial (P1, P2) abgreifbar. Die Nutzpotenziale (P1, P2) weisen, bezogen auf die ersten Pole (3, 4), das gleiche Vorzeichen auf. Die beiden Flussbatterien (1, 2) weisen jeweils einen Reaktionsraum (7, 8) auf, wobei die Reaktionsräume (7, 8) jeweils eine Membran (9, 10) aufweisen, welche den jeweiligen Reaktionsraum (7, 8) in zwei Fluidräume (11 bis 14) trennt. Die Membranen (9, 10) sind für einen Übergang elektrischer Ladungsträger zwischen den Fluidräumen (11 bis 14) des jeweiligen Reaktionsraums (7, 8) permeabel. Die elektrische Energiequelle weist zwei voneinander getrennte Kreisläufe (17, 18) für eine jeweilige Elektrolytflüssigkeit (15, 16) auf. Die Kreisläufe (17, 18) sind geschlossene Kreisläufe, die je einen der Fluidräume (11, 14) der zwei Reaktionsräume (7, 8) miteinander verbinden, so dass die Elektrolytflüssigkeiten (15, 16) alternierend je einen der Fluidräume (11, 12) des einen Reaktionsraums (7) und je einen der Fluidräume (13, 14) des anderen Reaktionsraums (8) durchströmen. Die beiden Kreisläufe (17, 18) weisen eingangsseitig der Reaktionsräume (7, 8) Wärmetauscher (25 bis 28) auf, mittels derer die Elektrolytflüssigkeiten (15, 16) auf eine jeweilige Temperatur (T1, T2) gebracht werden, wobei ein

CAPACITY RECOVERY METHOD FOR VANADIUM REDOX FLOW BATTERY

Resumen de: EP4726818A1

0001 Disclosed is a method for recovering the battery capacity of a vanadium redox flow battery, comprising: S100: determining the overall valence of vanadium ions in electrolyte reservoirs of the battery after the discharge capacity of the battery attenuates, and charging the battery; S200: adding a reducing agent to a positive electrolyte reservoir of the battery; S300: allowing self-circulation in the positive electrolyte reservoir of the battery, so as to complete a chemical reduction reaction; S400: determining the overall valence of the vanadium ions in the electrolyte reservoirs of the battery again, and determining the residue of the reducing agent; and/or S500: replenishing the reducing agent in the positive electrolyte reservoir of the battery, and repeating steps S300 to S400 until the mean value of the overall valence of the vanadium ions in the electrolyte reservoirs of the battery returns to 3.5. By means of using a liquid reducing agent, feeding is simplified, and the reaction rate of the reducing agent with a positive electrolyte having a high content of pentavalent vanadium is fast. The extent of the valence-decreasing reaction of the reducing agent and the residual amount of the reducing agent are strictly monitored, so that the risk of the performance of a stack being affected due to the residue of the reducing agent is reduced.

CCM, PREPARATION METHOD THEREFOR AND USE THEREOF

Resumen de: WO2024250391A1

The invention provides the design and preparation of a catalyst coated membrane (CCM) and its application in proton exchange membrane water electrolysis (PEMWE). The CCM contains a proton exchange membrane (PEM) and a multiscale micro/nano structured catalytic layer with ordered arrays. The ordered multiscale micro/nano structured catalytic layer includes a super-thin metal layer, a conventional catalyst/ionomer layer, and metal nanowires grown on the outermost layer. This ordered multiscale micro/nano structured catalytic layer not only improves the interfacial contact between the gas-liquid diffusion layer and the catalytic layer, building a continuous electron transfer path to reduce the internal resistance, but also exhibits super-hydrophilicity, further improving the mass transfer efficiency of membrane electrode.

膜电极组件

Resumen de: CN121866654A

一种膜电极组件包括：第一催化电极和第二催化电极；以及聚合物电解质膜，设置在所述第一催化电极和所述第二催化电极之间。所述第一催化电极包括第一层和设置为比所述第一层更远离所述聚合物电解质膜的第二层。所述第一层包括多孔的第一支撑体和设置在所述第一支撑体的表面上的第一催化剂，并且所述第二层包括多孔的第二支撑体和设置在所述第二支撑体的表面上的第二催化剂。所述第二支撑体的孔隙率高于所述第一支撑体的孔隙率。

复合膜、膜·电极接合体、固体高分子型燃料电池、固体高分子型电解装置及电化学式氢压缩装置

Resumen de: JP2025050176A

To provide a composite membrane having excellent proton conductivity and dimensional stability.SOLUTION: A composite membrane includes a porous substrate including a polyolefin microporous membrane, a silica material having a substrate including silicon dioxide, and sulfonic acid groups on at least the surface of the substrate, and an ion exchange resin, and has a Gurley value of 1,000 seconds/100 mL or more.SELECTED DRAWING: None

用于对电化学电池制造用的片状元件进行分离的装置和方法

Resumen de: WO2025061848A1

The invention relates to a device (1) for separating flat elements (2) for the production of galvanic cells. The device (1) comprises a receiving unit (10) which is designed to receive a stack (3) of flat elements (2) having a plurality of flat elements (2) and to provide the flat elements (2), one after the other, to a separating region (20). The device (1) also comprises a gas supply unit (30) which is designed to supply a gas flow (21, 22) to the separating region (20), said gas flow generating a negative pressure in the separating region (20) in order to lift, by means of the generated negative pressure, a first flat element (4) from the stack (3) of flat elements (2). The device (1) is furthermore designed to exert a force (24) on the lifted first flat element (4), which causes the first flat element (4) to move out of the separating region (20) along a movement direction (6). The invention also relates to a method for separating flat elements (2) for the production of galvanic cells.

用于盒式燃料电池的膜加湿器

Resumen de: KR20250038450A

The present invention relates to a membrane humidifier for a cartridge-type fuel cell, comprising: a housing having an exhaust gas inlet through which exhaust gas discharged from a fuel cell stack is introduced and an exhaust gas outlet for discharging the exhaust gas; and a cartridge disposed inside the housing and having a plurality of humidification membranes, wherein the cartridge includes an inner case in which the plurality of humidification membranes are disposed and a potting part for fixing the plurality of humidification membranes, the inner case includes a first window part disposed adjacent to the exhaust gas inlet and including a plurality of windows and a second window part disposed adjacent to the exhaust gas outlet and including a plurality of windows, and the first window part is provided with a plurality of windows having different sizes.

一种移动式固态储氢装置

Resumen de: CN121854746A

本发明涉及一种移动式固态储氢装置，所述移动式固态储氢装置包括车辆；所述移动式固态储氢装置还包括相互连接的燃料电池发电单元、风冷热泵单元和固态储氢单元；燃料电池发电单元、风冷热泵单元和固态储氢单元均设置于车辆内部。本发明提供的移动式固态储氢装置中，燃料电池发电单元为风冷热泵单元提供电源，风冷热泵单元为固态储氢单元提供吸氢过程和放氢过程中所需的冷源和热源，本发明提供的装置可自行完成固态储氢单元的吸氢过程和放氢过程，无需在加氢站设置冷源和额外电源来完成吸氢反应，也无需在用户端设置热源和额外电源用于放氢反应，可应用于应急场景，不受外部电网、气象条件的限制。

一种机载燃料电池冷却控制方法及系统

Resumen de: CN121862782A

本发明涉及燃料电池技术领域，具体而言，涉及一种机载燃料电池冷却控制方法及系统。方法包括响应于飞行器的起飞指令，实时获取飞行器的起飞状态；当飞行器处于起飞准备阶段，分别开启电池散热回路和辅助冷却回路；当飞行器处于起飞中阶段，实时获取氢燃料电池在电池散热回路中的温度参数；根据第一温度调节节温器的第一开度和第二开度；根据第一温度调节辅助液冷泵的第一转速；根据第一温度和第二温度的温差调节电池液冷泵的第二转速。本发明能够解决机载燃料电池起飞过程中的散热问题。

一种基于深海氢电冷输与辅助汽化的船载联供系统及方法

Resumen de: CN121854731A

本发明属于氢电冷输技术领域，提出一种基于深海氢电冷输与辅助汽化的船载联供系统及方法；系统包括：液氢存储舱，设置在船体内部，用于储存作为主燃料的液氢；氢电冷输管道，贯穿船体主要舱室，通过输送分配装置与液氢存储舱相连，内部包括电力超导层；氢燃料电池发电模块，作为能量接入点，与电力超导层连接；太阳能辅助汽化模块，通过传热管路与液氢汽化系统进行热交换，将收集的太阳能热能用于辅助液氢汽化；能量管理系统，用于协同控制液氢存储舱、氢电冷输管道、氢燃料电池发电模块及太阳能辅助汽化模块的动态最优运行。本发明解决了现有技术能源利用单一、输电效率低下、系统布局臃肿等固有缺陷。

高温燃料电池测试台气体温度控制方法

Resumen de: CN121862794A

本发明高温燃料电池测试台气体温度控制方法，按照气体的流通方向包括气体流量控制单元、气体干路单元和气体湿路单元、气体过热单元、以及高温燃料电池单元，通过管路形成完整的气体处理与输送回路，实现对通入高温燃料电池的气体温度、湿度的控制；通过增湿罐通过加热器和温度传感器的协同作用，可调节气体含湿量以控制露点温度；过热罐进一步加热气体，精准控制较高的气体温度，为高温燃料电池提供稳定的高温高湿或高温低湿气体环境，保证其电解质质子传导效率和电化学反应动力学性能。

一种聚合物薄膜及其制备方法和应用

Resumen de: CN121851444A

本申请公开了一种聚合物薄膜及其制备方法和应用。聚合物薄膜具有海绵状多孔结构；聚合物薄膜的孔径尺寸为0.05～150nm；聚合物薄膜的孔隙率为1～200％；聚合物薄膜的厚度为10～500μm。本申请制得的膜通过使用韧性良好，取代基可调控的环己烷结构与蒸汽诱导相分离法调控得海绵状孔结构结合，获得机械性能良好、离子选择性、离子传导性良好的离子传导膜。应用在液流电池中，通过环己烷结构、有机溶剂、易挥发性溶剂以及不良溶剂蒸汽氛围的多重调控，获得良好的液流电池性能。

一种基于周期性负荷运行的SOFC供能系统优化配置方法

Resumen de: CN121862787A

本申请属于SOFC供能技术领域，具体公开了一种基于周期性负荷运行的SOFC供能系统优化配置方法。本申请首先基于SOFC供能系统的等效电效率构建效率目标函数；基于SOFC供能系统的平均净现值构建收益目标函数；基于SOFC供能系统中蓄冷罐和蓄热罐的储量变化构建独立性目标函数；再以效率目标函数、收益目标函数、独立性目标函数和SOFC供能系统的热力学模型作为拟合目标，采用多层感知机外迭代结合进化算法内迭代的双迭代优化框架求解拟合目标下的帕累托前沿；最后基于优劣解距离法从所述帕累托前沿中选出一组均衡解作为所述SOFC供能系统的优化配置。本申请技术方案有效的解决了动态工况下SOFC供能系统关键配置参数的优化问题。

一种高能量全钒液流电池性能监测评估方法

Resumen de: CN121856820A

本发明公开了一种高能量全钒液流电池性能监测评估方法，涉及电池技术领域，该方法包括：步骤S1：收集目标电池的电解液物化数据和全钒液光谱数据；步骤S2：计算电解液表征指数，分离钒离子吸收峰与钒氧化物吸收峰；步骤S3：构建稳定评估模型，生成电解稳定指数；步骤S4：设定稳定性阈值，当电解稳定指数低于稳定性阈值时，判断目标电池系统存在性能衰减缺陷。本发明通过对光谱信号进行解耦，能够清晰地识别钒离子和钒氧化物的光谱特征，将钒离子吸收峰与钒氧化物吸收峰进行分离，从而避免了电解液中钒氧化物的影响，具有使系统能准确地提取出有效信号并去除干扰的优点和显著提高电池性能评估精度的有益效果。

一种用于中低温下高电导率电解质材料的制备方法

Resumen de: CN121862799A

本发明公开了一种用于中低温下高电导率电解质材料的制备方法，包括如下具体步骤：S1、将原料粉体和液体介质进行球磨混合，烘干，得到电解质原料粉体；S2、将电解质原料粉体压制成自支撑电解质，煅烧，得到电解质材料。本发明制备的电解质在中低温下具有高电导率的特点，基于双元素掺杂解决了ScSZ电解质中低温相变和YSZ电解质在中低温电导率低的问题，稳定氧化锆基电解质高电导率特性，达到了强化其中低温高电导率性能的目的，且提供了电解质材料电导率的预测模型，预测准确性高。

金属支撑体及金属支撑SOC单元制备方法

Resumen de: CN121852961A

本发明提供一种金属支撑体、金属支撑SOC单元及制备方法。金属支撑体由金属薄板加工而成，其活性区域孔大小、孔型可调，开孔率高，机械性能好。金属支撑SOC单元，包括金属支撑体、氢电极层、电解质层和氧电极层，其中电解质层为1~3层复合电解质（包含1层和3层），工艺可调节性大，可应对不同应用条件。电解质采用干法成膜，提高了电解质烧结前生坯密度，有效促进了电解质致密烧结；氢电极层和电解质层干法复合膜工艺缩短了工艺流程，降低了过程材料成本，具有工艺简单、重复性好、可靠性强、成本低等优势。应用于金属支撑SOC单元、金属支撑SOC堆栈模块、燃料电池发电和电解水制氢领域。

聚苯并咪唑-磺化聚醚醚酮复合膜、其制备方法及其用途

Nº publicación: CN121862777A 14/04/2026

Solicitante:

中国石油化工股份有限公司中国石化扬子石油化工有限公司

Resumen de: CN121862777A

本发明涉及聚苯并咪唑‑磺化聚醚醚酮质子交换复合膜、其制备方法和用途。本发明通过将聚(2,5‑苯并咪唑)与磺化聚醚醚酮共混来制备聚苯并咪唑‑磺化聚醚醚酮质子交换复合膜。本发明的聚苯并咪唑‑磺化聚醚醚酮质子交换复合膜可用于燃料电池中，特别是在高温下使用。