Resumen de: CN121260841A
本发明公开了一种燃料电池系统及其关机控制方法,包括阳极、阴极和电堆,阳极和阴极之间分别通过阳极氢气供应管路和阴极空气供应管路进行供应工作,本发明涉及燃料电池技术领域。该燃料电池系统及其关机控制方法,关机速度快,通过主动向阴极注入氢气与残氧发生催化反应,能极大加速氧气消耗速度,将关机时间从传统方法的数十秒缩短至数秒内,显著提升用户体验,氢气消耗少,只需注入与残氧化学当量比的微量氢气,相比传统“保压耗氧”过程中持续消耗的氢气量,节约了超过90%的关机耗氢,经济性显著,安全性高,采用双电磁比例阀串联设计,一个阀负责粗调,一个阀负责精调,确保了微量氢气注入的精确性和可靠性。
Resumen de: CN121260848A
本发明公开了一种燃料电池的冷启动控制方法及系统,所述方法包括:获取电堆的冷却液进出口温度,以根据所述冷却液进出口温度关闭连接散热器与所述电堆的冷却液散热管道;启动与所述电堆连接的冷却液加热管道,以通过所述冷却液加热管道输出加热后的冷却液;根据加热后的所述冷却液获取所述电堆的冷却液进出口压力,以根据所述冷却液进出口压力调整所述冷却液加热管道的冷却液流量;根据所述冷却液流量及所述冷却液加热管道控制所述电堆进入冷启动状态,以提高燃料电池在冷启动状态下进行效率输出的稳定性。
Resumen de: WO2026005070A1
Provided are: a carbon material for a catalyst carrier of a solid polymer fuel cell having excellent low load characteristics; a catalyst layer for a solid polymer fuel cell using the same; and a fuel cell. The carbon material for a catalyst carrier of a solid polymer fuel cell comprises porous carbon black that satisfies requirements (A) to (C). (A) The BET specific surface area is 350 m2/g or more. (B) The outer specific surface area is 10 m2/g to 200 m2/g. (C) The volume of pores with pore diameters of 2 nm or less is 0.025 mL/g or more.
Resumen de: WO2026004900A1
The purpose is to provide a polymer capable of forming an electrolyte membrane having excellent ability to suppress gas permeation, an electrolyte membrane having excellent ability to suppress gas permeation, and a membrane electrode assembly, a fuel cell, and a water electrolysis device, all using the electrolyte membrane. A polymer has a structural unit represented by formula (1). In the formula, R1 is a C1-12 alkyl group having an ion exchange group, R2 is a halogen atom or an optionally substituted hydrocarbon group, m1 is an integer of 0-3, Ar1 is an aromatic group optionally having a halogen atom or a hydrocarbon group as a substituent, or a group in which an aromatic group optionally having a halogen atom or a hydrocarbon group as a substituent is linked via a single bond, and carbon atoms constituting the aromatic group bond to a fluorene skeleton.
Resumen de: WO2026004784A1
In a circulation path (111), an anode off-gas discharge port (133) of a fuel cell (120), a discharge position (117), a supply position (118), and a hydrogen supply port (131) of the fuel cell (120) appear in this order. A supply path (112) is connected to the circulation path (111) at the supply position (118), and supplies hydrogen-containing gas (101) to the circulation path (111). A discharge path (113) is connected to the circulation path (111) at the discharge position (117). A controller (190) executes abnormality response control when an abnormality occurs in a detection result of a sensor (170) in the circulation path (111). In the abnormality response control, discharge processing for discharging an anode off-gas (105) from the anode off-gas discharge port (133) via the discharge path (113) is executed.
Resumen de: WO2026004950A1
This electrochemical cell includes an element part and a metal plate. The metal plate has a first surface facing the element part and a second surface positioned on the side opposite to the first surface. The metal plate has a plurality of holes that are open in the first surface and has a perforated region facing the element part. The perforated region has a first section including a first end of a pair of ends in a first direction parallel to the first surface, and a second section located closer to the center in the first direction than the first section. When the area ratio occupied by the plurality of holes in the first section is defined as a first area ratio and the area ratio occupied by the plurality of holes in the second section is defined as a second area ratio, the first area ratio is less than the second area ratio.
Resumen de: CN121251900A
本发明提供了一种连通装置及燃料电池,该连通装置用于实现流路之间的连接和流体连通,其特征在于,连通装置包括:柔性连接通道,柔性连接通道沿着流体的流动方向作延伸,柔性连接通道中的内部空间形成膨胀腔,膨胀腔针对柔性连接通道内流体固化时所发生的膨胀而同步地进行膨胀。从而在无需增强吹扫或预热的前提下,依然能够在低温环境下立即运行且不受水蒸气和/或液态水的结冰固化影响。
Resumen de: CN121260865A
本发明涉及电池堆叠技术领域,具体是涉及一种电池单元堆叠均匀的氢燃料电池堆生产装置;包括:机架;限位模块,竖直设置滑动设置于所述机架上,所述限位模块设置有多组能够对双极板进行多向限位的限位杆;检测模块,固定设置于所述机架上且检测端竖直向上设置;矫正模块,竖直固定设置于所述限位杆的外侧且能够沿着所述限位杆的轴线往复滑移,所述矫正模块设有能够对双极板进行动态矫正的限位矫正单元和活动矫正单元;气密检测模块,固定设置于所述机架上,所述气密检测模块设有固定架和能够对堆叠后的电池堆进行气密性检测的固定气密检测单元和活动气密检测单元;本发明不仅能够对电池堆进行动态检测校正且能够间歇对电池堆进行密封检测。
Resumen de: CN121260826A
本发明公开了一种高附着力强度的全钒液流电池极片及其制备方法,该极片包括集流体和形成于集流体上的活性材料层,所述活性材料层的制备原料包括按重量份计的以下组分:改性膨胀石墨50~70份、改性环氧树脂25~45份、分散剂1~3%份、气相二氧化硅0.1~1.0份;改性膨胀石墨通过以下方法制备得到:将石墨蠕虫加热下膨化,获得膨胀石墨,然后采用硅烷偶联剂进行表面改性,得到改性膨胀石墨。本发明通过基体表面化学改性、复合粘结剂分子结构设计及两步压合成型工艺,能显著提升极片与电解液的界面结合力。该方法制备的极片具有高附着力、优异机械强度及电化学稳定性,解决了传统极片易剥离、循环寿命短的技术难题,适用于大规模储能系统。
Resumen de: CN121260825A
本申请提供了一种铜原子催化剂改性碳毡电极的制备方法、碳毡电极及全钒液流电池,所述方法包括:通过对碳毡电极表面进行酸预处理,洗去碳毡表面杂质并引入含氧基团;将酸预处理后的碳毡电极浸渍于含铜ZIF‑8的水溶液中,使碳毡表面生长铜掺杂ZIF‑8纳米片阵列;通过煅烧生长有铜掺杂ZIF‑8纳米片阵列的碳毡进行一步碳化获得含氮多孔碳负载铜单原子的改性电极。由此,可在碳毡表面构造氮掺杂多孔碳并且锚定铜单原子,引入了亲水的氧氮原子和高效催化位点,所制备的高性能电极应用于全钒液流电池可以显著提高电池的能量效率。
Resumen de: WO2026004442A1
A battery system according to the present invention comprises a battery module in which a plurality of battery units that each include at least one battery cell are electrically connected in series. The battery system has a current meter that measures a current value I for the battery module, a voltage meter that measures respective voltage values Vi for the plurality of battery units, a determination device that can determine at least one of whether there is an abnormality in respective open circuit voltages OCVi for the plurality of battery units and whether there is an abnormality in an internal resistance value Ri, and a reporting device that reports determination results from the determination device.
Resumen de: WO2026004245A1
This energy supply system is provided with: a power generation device that generates power by using renewable energy; a water tank that stores water; a hydrogen generation device that operates using the power generated by the power generation device and generates hydrogen from the water in the water tank; a hydrogen tank that stores the hydrogen generated by the hydrogen generation device; a fuel cell that generates power by using hydrogen from the hydrogen tank; and a charging device that uses the power generated by the fuel cell to charge an on-board battery mounted on a first work machine.
Resumen de: WO2026003390A1
The present invention relates to a complex electrochemical cell (complex membrane electrode assembly (MEA)) that integrates one or more individual electrochemical cells made of ceramic and metal materials and connected to each other (for example, in parallel and/or series arrangements), so that electrical losses are minimised and strategies for controlling the cell which makes the operation more flexible are allowed, maintaining maximum energy efficiency and adaptability to external requirements of the operation.
Resumen de: WO2026000662A1
The present application provides a method and apparatus for determining the rotational speed of a water pump in a fuel cell thermal management system, and a device. The method of the present application is applied to a fuel cell thermal management system (comprising a plurality of different subsystems, wherein the subsystems are provided with corresponding pipes and are in communication with each other by means of the pipes). The method comprises: determining, from among a plurality of different subsystems, a plurality of target subsystems comprising a water pump, wherein pipes respectively corresponding to the plurality of target subsystems form a circulation loop; determining pressure drop values of the target subsystems other than the water pump, an assumed rotational speed value of the water pump (any value within a preset rotational speed range), and a total flow rate value of a coolant in the circulation loop; determining a pressure rise value of the water pump on the basis of the assumed rotational speed value; and if the difference between the sum of the pressure drop values and the pressure rise value is within a first preset range, determining that the assumed rotational speed value is a rotational speed value required by the water pump under the total flow rate value. The method can solve the problem of high calibration costs caused by the need for a large amount of materials, devices and human resources during manual calibration.
Resumen de: CN121251461A
一种基于液氢储供系统的机载自增压余氢回收发电装置和发电方法,属于航空新能源技术领域。解决了储氢罐余氢回收利用率低、安全性差及能量浪费的问题。该装置通过液氢罐自增压系统维持液氢压力,液氢经自增压阀门和泵进入发动机高温部件冷却通道,吸热气化后返回液氢罐;液氢耗尽后开启泄压阀,将罐内残余气态氢导入机载自增压余氢发电系统;残余氢气依次经液氢气化辅助回热器、先导式减压阀调压后进入质子交换膜燃料电池阳极;通过冲压进气口向燃料电池阴极供给空气;燃料电池产生电能经DC‑DC变换器稳压输出;燃料电池高温尾气进入液氢气化辅助回热器预热新通入氢气,完成热循环。它主要用于航空动力领域。
Resumen de: CN121260851A
本发明提供一种氢燃料电池系统预判式分区动态温控装置,包括,电池分区模块、温升分析模块、温降分析模块和温度控制模块;电池分区模块将氢燃料电池初步划分为若干个等同面积的单元;并进行温度区分类;温升分析模块根据温升系数和温升敏感系数;并进行同一温度区的温升区分类;温降分析模块根据温降敏感系数进行同一温度区的温降区分类;温度控制模块对于每个温升区,根据其温升敏感系数,制定相应的降温控制;对于每个温降区,根据其温降敏感系数,制定相应的升温控制。其优点在于针对氢燃料电池内部温度分布不均匀及不同区域温度敏感性差异,分区控制温度;实现精准温度管理,同时兼顾冷启动加热需求。
Resumen de: CN121260846A
本申请提供了一种燃料电池系统故障处理方法、车辆和存储介质,该方法应用于车辆领域,该方法包括:在燃料电池系统中的氢气压力传感器出现故障的情况下,获取燃料电池系统的电池参数,电池参数用于表示燃料电池系统的运行状态;基于电池参数,确定氢气压力偏差,氢气压力偏差用于表示燃料电池系统在当前环境与在预设环境中以比例阀的当前开度工作时氢气压力的差异;将氢气压力偏差和当前参考氢气压力相加,得到目标氢气压力;基于该目标氢气压力,控制燃料电池系统运行。该方法能够在燃料电池系统中的氢气压力传感器出现故障的情况下,预测氢气压力偏差,进而确定氢气压力,基于该氢气压力控制燃料电池系统运行。
Resumen de: CN121260861A
本发明涉及液流电池电解液技术领域,具体为一种基于铵盐添加剂的液流电池电解液的制备方法及其应用,向钒混酸电解液中添加铵盐添加剂;在加入铵盐添加剂的过程中,不断搅拌,直至完全溶解;陈化,通氮气,排除氧气,密封静置后,得到含有铵盐添加剂的液流电池电解液;所述液流电池电解液中NH4+质量浓度为1.0g/L‑3.5g/L。本发明的电解液中添加铵盐,NH4+通过静电吸附在电极表面,形成动态屏蔽层,能够抑制金属活性物离子的沉积;铵盐可在离子交换膜表面形成动态屏障,减缓活性离子的跨膜渗透,从而抑制容量衰减;高迁移率的NH4+增强离子传输,弱化欧姆极化,对电压效率有正向作用;铵盐不仅成本低,而且还能够提升电解液的导电性能,降低电池内阻,从而提高液流电池的整体能量效率。
Resumen de: WO2026000649A1
A fuel cell module and a vehicle. An insulating support assembly is arranged between a casing and a stack, and is in contact with each side surface of the stack and each inner side surface of a main housing, so as to support the side surfaces of the stack and resist interlayer slippage of the stack; and a plurality of insulating support members cover the entire stack from all directions, thereby achieving the fully-covering anti-slippage effect of a stack core. Two or more cross beams are arranged between the casing and the stack, and the main housing applies a fastening force towards an air intake end plate assembly by means of the cross beams, and cooperates with the air intake end plate assembly to apply a fastening force towards the cross beams, such that the main housing and the air intake end plate assembly jointly apply a fastening force in a stacking direction to the stack, thereby achieving packaging of the casing. Moreover, the spacing between the cross beams can allow a pressing head of a press to pass through, thereby not affecting the press-fitting operation of the press and facilitating the assembly of the stack.
Resumen de: WO2026000043A1
Disclosed herein is a porous substrate configured to separate a reaction chamber from a product chamber in a chemical reactor. The porous substrate comprises a reaction chamber facing surface and a product chamber facing surface, wherein a size of pores in the porous substrate decreases between the reaction chamber facing surface and the product chamber facing surface. The pore size at the product chamber facing surface is such that chemical species larger than a predetermined size are excluded from passing through the porous substrate into the product chamber.
Resumen de: CN223757510U
本实用新型公开一种氢燃料电池系统发电装置,涉及发电装置技术领域,包括:机体和密封塞,所述机体的内部安装有制氢管,所述机体的内部设置有浮动进气筒,所述浮动进气筒的顶部通过软管连接有储氢舱,机体的一侧安装有接口。该氢燃料电池系统发电装置,通过转动两组把手带动连接板a与密封塞外侧的连接槽进行卡合,然后可上拉两组把手,把手中部的拨动盘可对移动杆一侧的斜面进行挤压,使其推动弹簧a进行移动,移动杆移动时可带动卡块脱离与机体的卡合,此时继续拉动把手可带动顶盖进行上移,并且由于连接板a与密封塞处于卡合状态,因此可带动密封塞也进行上移,使其脱离制氢管的顶部,方便对制氢管中加入制氢剂。
Resumen de: CN223757505U
本实用新型公开了一种模块化燃料电池集成式热部件及系统,涉及燃料电池用热部件技术领域,包括从中心到外侧依次设置的燃烧器、空气预热器、水重整器和排气冷却器;燃烧器采用圆筒结构,空气预热器、水重整器和排气冷却器采用环形结构且依次套设在燃烧器的外部形成套筒结构;水重整器为环形的内外夹层结构,包括内层的重整区和外层的蒸发区,重整区与蒸发区之间设有分隔板进行分隔,混合气可经过分隔板从蒸发区进入重整区;本实用新型中采用一体化结构的水重整器在蒸发区和重整区内进行两次换热,替代了传统的蒸汽发生器和重整器,可有效预防燃气侧泄露问题。
Resumen de: CN121260866A
本发明公开了液流电池一体化电芯板快速更换器,涉及电芯板加工设备技术领域,包括电芯板更换组件、点胶输送架、多轴机器人、支撑环、夹持机构和切割机构。本发明中电芯板更换组件用于为电芯板的更换工作提供加工工位,在更换电芯板时,可通过阀门或相应措施控制电解液的流动,防止泄漏,采用弹性密封胶和快速连接结构,确保更换后的密封可靠性,多轴机器人可将新的电芯板放置到需要更换组装的位置进行更换作业;夹持机构能够对电堆进行夹持工作,切割机构对电堆需要拆卸更换的电芯板进行切割工作,使得电芯板与电堆进行拆卸分离,并将电堆的上半部分和下半部分分别夹紧,防止其他电芯板失力异常。
Resumen de: CN121261610A
本发明提出了一种基于燃料电池热电氧联供系统的智慧建筑管理系统,涉及建筑管理技术领域,通过光伏电站进行建筑和电解水制氢的分级供电,通过电解水制氢获取氢气和氧气,对氢气进行电化学反应,获得电能和热能;进行电解槽启动控制、能源分类递进供给和安全联动处理;对建筑进行用能数据采集和分析,确定建筑用能节点,进行节点用能需求分析,获取节点需求集合,确定节点需求范围,进行需求持续采集,获取用能需求变化信息,生成用能需求调控指令;获取节点需求集合的集合需求分析数据,生成能源调节信息,根据用能需求变化数据进行调节更新,获得建筑管理数据,通过本发明实现多能源联供与建筑需求的联动分析控制。
Nº publicación: CN121260817A 02/01/2026
Solicitante:
南方电网电力科技股份有限公司
Resumen de: CN121260817A
本发明涉及一种气体扩散层及其制备方法和应用,属于燃料电池技术领域。本发明的气体扩散层包括基材层和依次设置在所述基材层表面的微孔层A和微孔层B,其中微孔层A含有相对高挥发温度造孔剂和疏水的浆料,形成疏水性、相对小孔隙MPL层;微孔层B含有相对低挥发温度的造孔剂和离聚物,形成含有亲水性通道、大孔隙的MPL层。本发明制备方法利用两种造孔剂的挥发温度差异性,在微孔层内制造梯度孔隙结构,并且降低微孔层产生裂纹的风险。这种孔隙结构能加强燃料电池在高电流密度下的水管理能力,降低催化层水淹风险,提高燃料电池的性能稳定性和寿命。