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一种燃料电池催化层及其制备方法和应用

Resumen de: CN121260811A

本发明涉及一种燃料电池催化层及其制备方法和应用，属于燃料电池技术领域。本发明在燃料电池催化层靠近质子交换膜侧，通过碳表面质子传导功能化，构建低离聚物含量的催化层，降低催化层的氧传输阻力，同时构建孔隙梯度和亲疏水梯度，增加催化层内的传质能力，适应高湿度工况，降低水淹的风险。通过复合催化层结构设计使得催化层内的氧扩散阻力、Pt/C催化剂表面的离聚物引起的局部氧传输阻力和质子传输电阻均得到合理分布，从而整体提升了催化层的电流密度均匀性和使用寿命。

一种优化燃料电池电堆节电压一致性的方法

Resumen de: CN121260854A

一种优化燃料电池电堆节电压一致性的方法，属于燃料电池技术领域。在GRNN模型优化阶段，以模型超参数作为输入，预测一致性的均方根误差为输出，通过迭代更新实现模型精度的最大化。为进一步提升电堆性能，以随机选取的运行条件作为输入，利用优化后的GRNN模型计算一致性评价指标作为输出，通过持续迭代优化运行条件，最终确定一组最优参数，显著提升电堆节电压一致性，有效延长电堆使用寿命。本发明方法不仅具有良好的全局搜索能力，还具有优异的稳定性，为GRNN神经网络超参数优化和运行条件的优化提供了保障。

METHOD AND CONTROLLER FOR OPERATING A HYDROGEN SUB-SYSTEM OF A FUEL CELL SYSTEM, AND FUEL CELL SYSTEM

Resumen de: WO2026002771A1

The invention relates to a method for operating a hydrogen sub-system (110) of a proton-exchange membrane fuel cell system (100). The hydrogen sub-system (110) comprises a hydrogen supply (111), a first hydrogen metering valve (113), a jet pump (114), and a second hydrogen metering valve (115). In a reading-in step, input data (106) comprising specified and currently detected operating parameters of the fuel cell system (100) are read in. In a determination step, a first control signal (125) for actuating the first hydrogen metering valve (113) in order to provide a first hydrogen volume flow, having first pressure peaks, to the anode inlet (A1) via the jet pump (114) in a pulsed operation and a second control signal (126) for actuating the second hydrogen metering valve (115) in order to provide a second hydrogen volume flow, having second pressure peaks, to the anode inlet (A1) in a pulsed operation are determined using the input data (105), the first pressure peaks and the second pressure peaks occurring at staggered times relative to one another at the anode inlet (A1). In an outputting step, the first control signal (125) is output to the first hydrogen metering valve (113) and the second control signal (126) is output to the second hydrogen metering valve (115) in order to operate the hydrogen sub-system (110).

一种全钒液流电池的复合电极制备方法

Resumen de: CN121260814A

本发明公开了一种全钒液流电池的复合电极制备方法，本发明应用在液流电池储能技术领域，提供了一种全钒液流电池的复合电极制备方法，制备步骤包括；1)在氩气气氛下，将前驱体碳毡放入管式炉烧制；2）将不同浓度的吲哚溶解于纯甲基异丁酮有机溶剂中制成混合溶液；3）将前驱体碳毡置入混合溶液，并将浸泡碳毡的溶液超声后取出碳毡干燥；4）在氩气气氛中，将干燥后的碳毡置入管式炉中烧制；5）将烧制后的碳毡取出，用去离子水清洗残留物后干燥可得复合电极。本发明方法用于制备全钒液流电池复合碳毡电极，通过在电极上负载有机物后烧制，可以改善现有碳毡电极较差的亲水性和电化学活性。复合制备的碳毡可以有效提高全钒液流电池的电压效率。

一种高效液氢冷却循环电机系统

Resumen de: CN121260840A

本发明公开了一种高效液氢冷却循环电机系统，包括载筒，载筒内插入储罐机构的外壳，外壳通过保温层连接抽真空的内壳，内壳中设有装载液氢的内胆，内胆的入料组件与出料组件分别穿出外壳上、下面，出料组件对接载筒底部的导氢管，导氢管连接蒸发室，蒸发室内穿入下方氢燃料电池的超导散热管，蒸发室顶面设有循环管与冷却管组，循环管连接入料组件，冷却管组绕经电机室后连接氢燃料电池，电机室内各电机电性连接氢燃料电池；该系统通过液氢为氢燃料电池供料的同时，利用液氢蒸发吸热的特性为电池与电机散热，装置中具有多层结构的储罐机构能够配合出料组件稳定储存、释放液氢，并能脱离载筒进行运输、更换，具有高效、节能的特点。

一种基于燃料电池的复合型背架能源集成结构

Resumen de: CN121260868A

本发明公开了一种基于燃料电池的复合型背架能源集成结构，至少包括：背包；背架主体，所述背架主体与所述背包集成于一体；风冷燃料电池电堆；所述风冷燃料电池电堆固定安装在所述背架主体的底部，作为所述背架主体的承重底板，所述风冷燃料电池电堆的外轮廓与所述背包底部相贴合，形成一体化承载结构；气体供应系统，所述气体供应系统通过固定工装集成在所述风冷燃料电池电堆的端板上表面；散热系统，所述散热系统固定安装在所述风冷燃料电池电堆的侧面。所述复合型背架能源集成结构实现了低空间占用、高效热管理和安全供气，实现了能源系统与承载系统的一体化集成，在保证电力供应的同时不占用背包储物空间。

一种燃料电池船舶氢气排放控制系统

Resumen de: CN121260844A

本申请涉及一种燃料电池船舶氢气排放控制系统，属于燃料电池船舶技术领域，其包括船舱；集装箱，其设于所述船舱内，所述集装箱内设有储氢系统和燃料电池系统；第一排气系统，其包括：‑第一排气管路，其一端与所述集装箱连接，另一端伸出所述船舱外；‑吹扫模块，其设于所述船舱内，并与所述集装箱连通，所述吹扫模块用于监测所述集装箱内氢气的浓度，并根据监测到的氢气浓度信息对集装箱内的氢气进行吹扫，以使氢气从所述第一排气管路排出。采用集装箱对燃料电池系统和储氢系统进行密封，形成保护空间。

A BIPOLAR PLATE FOR A FUEL CELL AND A FUEL CELL STACK

Resumen de: WO2026002770A1

The bipolar plate (100) comprises a first plate (102) with a first bead seal (108), a second plate (104) with a second bead seal (106). The first plate (102) and the second plate (104) are disposed and joined opposite to each other in a manner that the first bead seal (108) and the second bead seal (106) forms a channel (114) therebetween, characterized in that, a stiffener (110) is positioned inside and along the channel (114). The stiffener (110) supports the bead seal (108, 106) against deformation of the sealing surface.

一种基于硼氢化物的可充放式电池

Resumen de: CN121260996A

本发明提供了一种基于硼氢化物的可充放式电池，包括电解质腔室，其横向两侧分别设置有放电腔室和充电腔室；放电腔室内设置有放电组件，充电腔室内设置有充电组件，电解质腔室内盛装有硼氢化物电解液；放电组件和硼氢化物电解液共同组成放电单元，充电组件和硼氢化物电解液共同组成充电单元。本发明利用反应条件温和的电还原法实现了BH4‑的再生，通过特殊的隔膜‑腔室结构设计，将放电和充电高效、可逆地集成在同一个电池结构中，充分利用放电反应副产物作为充电反应的反应物，有效解决了传统硼氢化物电池只能实现单向的化学能转化为电能的放电过程的问题，实现基于硼氢化物放电耗能与充电储能的循环过程，即实现了可逆的循环充放电。

一种带回收功能的空压机与氢循环一体化节能方法及系统

Resumen de: CN121251439A

本发明涉及新能源汽车燃料电池技术领域，具体提供了一种带回收功能的空压机与氢循环一体化节能方法及系统，该节能方法包括如下步骤：实时监测燃料电池的空气流量需求，根据空气流量需求调节空压机的工作参数；实时监测空压机运行时所产生的空气余压，通过能量回收装置接收空气余压，将空气余压转换为机械能；利用机械能做功，驱动氢气循环泵工作，实现空气余压的能量回收。本发明通过能量回收装置对空气余压所携带的能量进行接收并转化为机械能，进而驱动氢气循环泵工作，一来可对空气余压中的能量进行回收处理，提高能源利用效率，避免了额外的能量损失，二来可以实现氢气循环泵与空压机之间的联动工作，从而实现燃料电池整体能源管理的优化。

一种耦合环境、老化、故障的燃料电池系统风险量化方法

Resumen de: CN121260852A

本发明公开了一种耦合环境、老化、故障的燃料电池系统风险量化方法，建立环境、老化、故障三种不利因素对系统的共同作用机制，确定三种不利因素共同影响下的系统风险大小，包括：建立工作环境对系统性能的影响函数fenv；建立电堆老化对系统性能的影响函数fde；建立系统故障对系统性能的影响函数ffault；三类因素间的相互影响定义，通过三类因素对系统性能的耦合影响分析，对燃料电池系统风险进行量化分析。本发明能够有效克服现有研究的局限，为燃料电池在复杂运行环境和关键应用场景下的安全性、可靠性与寿命预测提供技术支撑。

一类支化型聚(芳基-亚烷基)聚电解质及其制备方法和应用

Resumen de: CN121248896A

本发明涉及一类支化型聚(芳基‑亚烷基)聚电解质及其制备方法和应用，属于高分子材料技术领域。本发明支化型聚(芳基‑亚烷基)聚电解质由等聚合物经功能化反应得到；其中，x为大于0的任意整数，y为大于等于0的任意整数，z为大于等于0的任意整数；A和C为芳基结构单元；B、D和F为由酮类单体反应得到的亚烷基结构单元；E为芳基支化中心。将其制备成聚合物膜后，支化结构、刚性主链与柔性功能化侧链的协同作用能够诱导形成长程有序的离子簇和连续疏水相，从而有效实现离子的快速、选择性传导，同时保持膜的强机械稳定性和高化学稳定性。

一类基于芳基酮类的聚(芳基-亚烷基)聚合物电解质及其制备方法和应用

Resumen de: CN121248902A

本发明涉及一类基于芳基酮类的聚(芳基‑亚烷基)聚合物电解质及其制备方法和应用，属于化合物合成技术领域。由下述芳基酮类聚合物经功能化反应得到；所述功能化反应选自季铵化反应、磺化反应和磷酸化反应中的一种或多种；其中，x为大于等于1的任意整数，y为大于等于0的整数；A和C为芳基结构单元；B和D为由酮类单体反应得到的亚烷基结构单元。该基于芳基酮类的聚(芳基‑亚烷基)聚合物电解质离子电导率高、使用寿命长、机械性能好等优势。且制备简单、反应条件温和、易于操作、成本低，可大规模工业化生产。

一种质子交换膜及其制备方法和应用

Resumen de: CN121260858A

本发明涉及一种质子交换膜及其制备方法和应用，属于燃料电池技术领域。本发明制备方法采用原位合成的方式，在全氟磺酸树脂溶液中加入氢氧化钠使其转化为Na+型树脂溶液，以镧盐为镧源，通过水热反应促进镧盐的水解以及成膜液中水解产物脱水过程，最终实现纳米氧化镧的原位合成，从而在质子交换膜上原位合成纳米氧化镧。本发明通过原位合成在质子交换膜中引入纳米氧化镧颗粒，利用其保水能力可以缓解燃料电池高电流密度下的膜干涸问题，并利用其保水的特性解决燃料电池在无加湿器条件下自润湿运行的问题。同时，氧化镧具有优异的化学稳定性，可以避免酸性环境腐蚀，延长质子交换膜的使用寿命。

一种用于燃料电池的双层疏水微孔层及其制备方法

Resumen de: CN121260831A

本发明公开了一种用于燃料电池的双层疏水微孔层及其制备方法，燃料电池包含气体扩散层和催化层，气体扩散层包含基底层和双层疏水微孔层，双层疏水微孔层位于基底层和催化层之间，该方法包含：步骤1，将碳材料、低疏水剂于溶剂中混合，得到低疏水微孔层浆料；低疏水剂包含氟化乙丙烯、聚二甲基硅氧烷、全氟烷氧基乙烯醚中的任意一种；步骤2，将碳材料、高疏水剂于溶剂中混合，得到高疏水微孔层浆料；高疏水剂为聚四氟乙烯；步骤3，在基底层表面依次涂覆低疏水、高疏水微孔层浆料，烘干、烧结，得到双层疏水微孔层。此双层疏水微孔层能够在保证低电流密度下保水作用的同时，提高高电流密度下的排水、传质效率，从而提高燃料电池的性能。

一种锌溴液流电池多功能负极电解液及其制备方法

Resumen de: CN121260860A

本发明公开了一种锌溴液流电池多功能负极电解液及其制备方法，属于电化学储能技术领域，方法包括：将溶剂、去离子水与共溶剂搅拌混合均匀，加入电解质，搅拌至完全溶解，再加入支持电解质和负极添加剂，搅拌至完全溶解，得到锌溴液流电池多功能负极电解液；负极共溶剂为二甲基甲酰胺；负极添加剂为皂素和肉桂醛中的至少一种。皂素分子吸附在锌电极表面，其带负电的羧基在双电层中形成静电排斥网，迫使锌离子均匀分散，消除局部离子浓度热点，从源头抑制枝晶成核。肉桂醛中，氧原子的强电负性作用及醛基氧的电负性远高于氢，导致其强烈吸引电子，使相邻的碳原子带正电，形成极性吸附位点，有效抑制析氢反应，大幅提高电池的稳定性和循环寿命。

一种液态金属基高熵电催化剂及其制备方法和应用

Resumen de: CN121250489A

本发明公开了一种液态金属基高熵电催化剂及其制备方法和应用，属于电催化剂制备技术领域。高熵电催化剂制备方法为：将过渡金属盐、缓冲剂、络合剂和抗氧化剂在水中混合，制备得到第一电镀液；将负载有镓纳米颗粒的导电电极浸泡到电镀液中，进行第一电沉积反应，得到高熵电催化剂；或将镓盐、过渡金属盐、缓冲剂、络合剂和抗氧化剂在水中混合，制备得到第二电镀液；将导电电极浸泡到电镀液中，进行第二电沉积反应，得到高熵电催化剂。本发明利用液态金属单质及液态金属盐降低反应形成焓的优势，借助电沉积这一更加节能环保且快捷的合成方法实现了液态金属基高熵电催化剂的快速高效合成。

APPARATUS AND METHOD FOR MONITORING ELECTROLYTE OF BATTERY

Resumen de: WO2026003696A1

Disclosed is an apparatus and a method for monitoring parameters associated with an electrolyte sample of a battery, the apparatus comprising: a metallic housing with at least one opening; at least one access window, wherein the at least one access window is disposed on the battery via at least one opening of the metallic housing, wherein the at least one access window includes or is in contact with an electrolyte sample whose parameters are monitored, wherein the at least one access window is transparent to electromagnetic radiation, and wherein the parameters are monitored based on characteristics electromagnetic radiation emanating from the at least one access window; and a polymeric layer functioning as an insulator that insulates the battery from the metallic housing and the at least one access window, wherein the metallic housing is disposed on the polymeric layer, and wherein a portion of the at least one access window is disposed on the polymeric layer.

ELECTROACTIVE COMPOUNDS

Resumen de: WO2026002923A1

The present invention refers to an electrolyte comprising a viologen compound or a salt or solvate thereof, wherein each of the nitrogen atoms of the viologen are substituted with one aryl group; wherein said aryl groups are equal or different; and wherein said aryl groups are optionally substituted. The present invention also relates to a redox flow battery comprising the electrolyte of the invention, to an energy storage and/or delivery system comprising said battery, to a method of storing and/or delivering electricity comprising said battery, to the use of said battery, to the use of an energy system comprising said battery and to the use of the use of the viologen compound or a salt or solvate thereof, wherein each of the nitrogen atoms of the viologen are substituted with one aryl group; wherein said aryl groups are equal or different; and wherein said aryl groups are optionally substituted as active species of an electrolyte.

SILENCER FOR AN EXHAUST TRACT OF A FUEL-CELL SYSTEM

Resumen de: WO2026002657A1

The invention relates to a silencer having a cavity (10) which is at least partially delimited by a housing (13), and a silencing device (20) which is arranged inside the cavity (10) for reducing the noise of the exhaust-gas flow (S). According to the invention, a heat-accumulator body (50, 50a, 50b, 50c, 50d) containing a phase-change material is arranged inside the cavity (10) in order to delay or prevent the freezing of condensate.

UNIT FOR A STACK OF CELLS FOR AN ELECTROCHEMICAL DEVICE, IN PARTICULAR FOR A SOEC OR SOFC

Resumen de: WO2026002697A1

The invention relates to a unit (SRU) for a stack of cells for an electrochemical device of SOEC or SOFC type, the unit comprising at least two interconnector plates (3) between which at least one fluid flows, and comprising: an inlet (5) through which the fluid is injected into the unit, an intermediate portion (6) which comprises a cell (4) and in which the fluid is in contact with the cell (4), and an outlet (7) through which the fluid is discharged. The unit comprises at least one fluid diffuser (8) positioned between the inlet and the intermediate portion and/or between the intermediate portion and the outlet, the fluid diffuser having at least one distribution device (9) positioned upstream of the cell and/or downstream of the cell, and ensuring either the distribution of the fluid or the collection of the fluid over the entire length of the section of the intermediate portion.

ASSEMBLY COMPRISING A STACK OF CELLS FOR AN ELECTROCHEMICAL MODULE

Resumen de: WO2026002686A1

The invention relates to an assembly for an electrochemical module, comprising a stack (1) of solid oxide electrolyser cells or solid oxide fuel cells, the stack being positioned between an upper end plate (2) and a lower end plate, each of the upper and lower end plates respectively comprising a part for connection to a current rod (5), which comprises an opening (4) formed in the upper and/or the lower end plate, accommodating the current rod (5), and also a notch (6) which is made in the thickness of the plate and extends as far as the opening (4), defining in the plate a first portion (61) and a second portion (62) which are able to be forced against the current rod (5).

METHOD FOR OPERATING A FUEL CELL SYSTEM, AND CONTROL DEVICE

Resumen de: WO2026002573A1

The invention relates to a method for operating a fuel cell system (1), comprising a fuel cell stack (2) having a cathode (2.1) and an anode (2.2), wherein hydrogen is supplied to the anode (2.2) via an anode circuit (3), which hydrogen is removed from a tank and is metered into the anode circuit (3) by means of a hydrogen metering valve (4), and wherein anode gas containing residual hydrogen and exiting the anode (2.2) is recirculated via the anode circuit (3). According to the invention, the hydrogen metering valve (4) is operated in a pulsed manner at least temporarily, in particular in partial load operation, such that pressure pulses promoting the water discharge are generated in the anode circuit (3) and in the anode (2.2). The invention also relates to a control device for carrying out the method or method steps.

WATER SEPARATION DEVICE FOR CONNECTING TO AN ANODE MODULE OF A FUEL CELL SYSTEM, AND FUEL CELL SYSTEM COMPRISING SUCH A WATER SEPARATION DEVICE

Resumen de: WO2026002574A1

The present invention provides a water separation device (110) for connecting to an anode module (100) of a fuel cell system, comprising a purge valve (301) and a drain valve (302), wherein a main body (200) which is fluidically connectable to an anode outlet of the anode module (100) is provided, said main body having a first interface (404) for the location of a valve outlet (405) of the purge valve (301) and a second interface (403) for the location of a valve outlet (406) of the drain valve (302), and a flushing channel (400), and wherein at least one heating element (202203, 203204) which is connectable to the main body (200) is provided, and a fuel cell system comprising a water separation device (110) of this type.

MULTIFUNCTIONAL BI-REDOX RADICAL ORGANIC MOLECULES

Nº publicación: WO2026002560A1 02/01/2026

Solicitante:

UNIV PARIS CITE [FR]
CENTRE NATIONAL DE LA RECHERCHE SCIENT [FR]
UNIVERSITE PARIS CITE,
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE