Resumen de: CN121790455A
本发明提供了一种燃料电池电堆的制备方法,系统及存储介质,方法包括:获取原始燃料电池电堆,包括原始双极板、原始气体扩散层和原始催化层;基于预设第一分段数得到第一双极板;基于预设第二分段数和预配置第一浆料得到第一气体扩散层;基于预设浓度乳液获取第二气体扩散层;基于预设催化层厚度和预设催化剂含量获取第一催化层;基于预设第三分段数、预配置第二浆料和预配置第三浆料得到第二催化层;基于第一双极板、第二气体扩散层和第二催化层,得到第一燃料电池电堆,以消除燃料电池电堆在运行过程中的发电不均匀问题。本发明提供的一种燃料电池电堆的制备方法,能够消除发电不均匀问题,提高性能输出,实现对燃料电池电堆的高效使用。
Resumen de: CN121790439A
本发明提供了风冷燃料电池系统及其电堆温度控制方法。该方法包括获取电堆的运行电流和环境温度,基于该环境温度,通过第一关系模型计算得到该散热风扇的初始占空比,基于运行电流,通过第二关系模型计算得到对应于该运行电流的风扇占空比增量,然后根据初始占空比和风扇占空比增量,计算散热风扇的目标占空比,根据该目标占空比控制散热风扇的运行,以用于调节电堆的电堆温度。该方法相对于现有技术采用固定风扇占空比或简单线性调节模式,由于分别通过环境温度和运行电流来确定初始占空比和风扇占空比增量,进而再根据两者计算散热风扇的目标占空比,因此结合了点对的工作电流和环境温度的实时变化,更加适配电堆随工况变化的散热需求。
Resumen de: CN121775671A
本发明属于离子交换膜技术领域,提供了一种多孔碳材料增强的离子交换膜及其制备方法。该多孔碳材料增强的离子交换膜的拉曼信号图谱在2100 ±100 cm1出现丁二炔的信号峰,其制备包括以下步骤:步骤一、将离子交换树脂溶于溶剂当中,搅拌均匀;步骤二、将富端基炔的有机功能前体溶于步骤一的溶液中,搅拌均匀;步骤三、在步骤二的溶液中加入铜盐,搅拌反应,得到铸膜液;步骤四、将铸膜液浇铸到制膜模具中,热处理除去溶剂,获得膜材料;步骤五、将膜材料经过离子交换得到多孔材料增强的离子交换膜。本发明多孔碳材料增强的离子交换膜合成条件温和,工艺简单,所得产品高离子电导率、高机械强度、低溶胀性能、低气体渗透。
Resumen de: CN121790451A
本发明属于氢能领域,具体的说是一种具有湿度调节功能的复合质子交换膜及其制备方法和应用。合质子交换膜为全氟磺酸纳米纤维网络基底层,及其网络中含水凝胶填充层;其中,全氟磺酸纳米纤维网络基底层为含掺杂物质的前驱液经静电纺丝方式获得全氟磺酸纳米纤维网络基底层,所述掺杂物质为水凝胶成分;水凝胶填充层为经水凝胶成分形成,或,含掺杂物质的水凝胶成分所形成,所述掺杂物质为掺杂制备全氟磺酸纳米纤维网络基底层的前驱液。本发明所制备的复合膜显著降低了全氟磺酸的用量,极大地降低了制膜成本。其可广泛应用于氢能燃料电池、醇类燃料电池等领域。
Resumen de: CN121790446A
本发明公开了燃料电池热电联供环境的固态储氢管理方法及系统,涉及燃料电池技术领域。方法包括:对储氢合金床和燃料电池进行温度匹配性动态分析,输出余热分流阀开度指令;对储氢合金床进行监测,得到氢气绝对压力、吸氢体积流量和放氢体积流量;进行压力失配分析,输出电解槽压力设定指令;获得发电功率时序曲线和负载需求预测曲线;进行实时形变位移数据的检测输出;进行多参数约束优化决策,输出动态协同控制指令;对固态储氢系统执行闭环反馈控制。解决了现有技术中固态储氢系统各组件间的运行参数易发生失配,导致系统协同效率低的技术问题,通过多参数动态分析与协同控制,实现了各组件运行参数的高效匹配,从而提高系统性能的技术效果。
Resumen de: CN121790456A
本发明涉及氢燃料电池技术领域,具体是涉及一种无人机用自控温型氢燃料电池结构,包括电池壳、电池堆、引流扇、封闭闸组、进气风门组件、出气风门组件、换热管和温度传感器,通过温度传感器反馈,能全自动根据电池堆实时工况在“内部循环调整至设定温度”与“外部进风冷却”两种模式间无缝切换,解决了无人机从高空低温到地面高温极端环境下的热管理难题,无需外部复杂控制系统或附加加热装置。
Resumen de: CN121790427A
本发明公开了一种使电解液均匀分布的液流电池双极板及液流电池。双极板的两侧设有导流流道结构、电解液进口和电解液出口;其中,导流流道结构包括:多组导流流道,每组导流流道包括一条纵向主流道和多个横向分支流道,横向分支流道自纵向主流道横向延伸;电解液进口与纵向主流道连通,且开设于双极板的纵向端部,用于将电解液导入双极板,电解液导入流向平行于双极板所在平面;电解液出口开设于双极板的表面,用于将电解液导出双极板,电解液导出流向垂直于双极板所在平面。本发明可有效改善液流电池浓差极化、提升电解液利用率及电堆性能、降低电解液流动阻力,进而提升电堆效率、系统效率。
Resumen de: CN121781064A
本发明公开了一种硅基双极板表面涂层及其制备方法与应用。所述硅基双极板表面涂层包括依次层叠设置于硅基双极板表面的钛过渡层和致密类金刚石碳功能层。所述制备方法包括:采用磁控溅射技术在硅基双极板表面沉积形成钛过渡层,采用磁过滤真空电弧离子镀技术在钛过渡层表面沉积形成致密类金刚石碳功能层。本发明制得的硅基双极板表面涂层在保持低接触电阻(≤6 mΩ·cm2)的同时,凭借更强C‑C键与更高化学惰性,显著提升抗氧化性能。经200℃烘烤2小时,接触电阻变化率稳定控制在3%以内,展现出优异的高温稳定性,从而解决硅基双极板涂层使用传统制备方法电阻低但高温下易氧化、电阻增大的问题。
Resumen de: CN121790435A
本申请公开了一种具有散热翅片阵列的燃料电池双极板结构,具体涉及电池双极板领域,包括阴极板,所述阴极板的一侧设置有阳极板,所述阴极板与阳极板之间设置有膜电极,所述阴极板靠近膜电极的一侧表面设置有空气气体腔,所述空气气体腔的内壁设置有空气流道,所述阳极板的一侧内壁设置有氢气气腔,所述氢气气腔的内壁设置有氢气流道,所述阴极板与阳极板之间形成冷却水流道,所述冷却水流道的内部设置有强化散热机构;本申请通过分流空气流道能够使流道缩短,气体从进口到出口的路径更平均,通过冷却水流道内壁的强化散热机构实现多梯度的辅助增强散热效果,能够辅助强化散热效果从而带走阴阳两极电化学反应产生的巨大热量。
Resumen de: CN121779761A
本发明提供了一种质子交换膜及其制备方法和应用,具体涉及质子交换膜技术领域。该质子交换膜具有层状结构,所述层状结构包括依次层叠设置的底层、中间层和顶层;所述底层为短支链全氟磺酸树脂层,所述中间层为混合全氟磺酸树脂层,所述顶层为长支链全氟磺酸树脂层,各层之间无明显物理界面,且相邻层之间通过分子链段的相互扩散与共结晶作用形成三维互锁结构;其中,所述中间层的层数≥1,所述中间层中的树脂为短支链全氟磺酸树脂和长支链全氟磺酸树脂。通过梯度过渡的中间层实现组分与性能的平滑衔接,显著提升了膜的整体机械强度、化学耐久性和质子传输效率。此外,三维互锁结构增强了层间粘结力,使膜在长期运行条件下仍能保持结构完整性。
Resumen de: CN121790453A
本申请提供了一种用于液流电池的质子交换膜及其制备方法,液流电池。该方法包括混合有机溶剂与全氟磺酸树脂并搅拌得到全氟磺酸树脂溶液;向全氟磺酸树脂溶液中加入柠檬酸铋纳米粉末,乳化分散得到预制膜液;在真空下,用紫外光照射预制膜液以得到制膜液;用制膜液涂布基材得到附着在基材上的湿膜;以及对附着在基材上的湿膜干燥和退火,从基材上剥离所形成的膜,得到所述质子交换膜。本申请的质子交换膜包含柠檬酸铋催化剂有效降低了膜的过电阻,同时抑制了负极的析氢反应。
Resumen de: AU2024305070A1
An electrochemical cell comprising a non electrically-conductive structural frame for supporting components of the electrochemical cell and a tensioning element, wherein the structural frame comprises engagement means adapted to engage the tensioning element, wherein the engagement means comprises at least two bosses on the structural frame, each boss adapted to engage with a corresponding aperture on the tensioning element.
Resumen de: WO2025069645A1
The present invention addresses the problem of providing a polymer electrolyte fuel cell sealing material in which sealing performance is hardly reduced even after long-term operation of a polymer electrolyte fuel cell. In a polymer electrolyte fuel cell sealing material according to the present invention, a sheet-type adhesive member (1) contains an acrylic rubber (a), an epoxy resin (b), and an epoxy hardener (c), and the initial adhesive strength obtained by the following measurement method is 1.5 N/cm or higher. (i) Prepare two sheets of the sealing material cut to be 25 mm wide by 100 mm long. (ii) Paste the two sheets together by bringing 80 mm lengths of the sheet-type adhesive members in contact with one other using a roll laminator under conditions with a temperature of 100 °C, a pressure of 4 N/cm, and a press-bonding speed of 1 m/min, thereby obtaining a test piece. (iii) Respectively paste two polyimide films for fixing to two portions of the sheet-type adhesive members at the non-contact portions of the test piece, fix one end of one film to a lower chuck, and fix one end of the other film to an upper chuck. (iv) Use a universal tensile testing machine to measure the T-peel strength at a tensile speed of 50 mm/min.
Resumen de: WO2025068691A1
The present invention provides a process for preparing solid, non-porous, de-alloyed electrocatalyst particles, the process comprising the steps of: providing solid, non-porous, platinum group metal alloy precursor particles PMn in which P is a platinum group metal and M is at least one alloying metal; in a de-alloying step to provide the solid, non-porous, de- alloyed electrocatalyst particles; supplying carbon monoxide to the precursor particles under conditions which remove at least some of the metal M from the surface of the precursor particles; wherein the de-alloyed electrocatalyst particles are particles of a platinum group metal alloy PMX in which P is a platinum group metal and M is at least one alloying metal, wherein the total atomic composition relative to P of M at the surface of the de-alloyed electrocatalyst is lower than the total atomic composition relative to P of M in the bulk of the de-alloyed electrocatalyst, and wherein x is less than n.
Resumen de: EP1000000A1
The invention relates to an apparatus (1) for manufacturing green bricks from clay for the brick manufacturing industry, comprising a circulating conveyor (3) carrying mould containers combined to mould container parts (4), a reservoir (5) for clay arranged above the mould containers, means for carrying clay out of the reservoir (5) into the mould containers, means (9) for pressing and trimming clay in the mould containers, means (11) for supplying and placing take-off plates for the green bricks (13) and means for discharging green bricks released from the mould containers, characterized in that the apparatus further comprises means (22) for moving the mould container parts (4) filled with green bricks such that a protruding edge is formed on at least one side of the green bricks.
Resumen de: WO2025052665A1
The present invention provides a coating composition (b2) with which a film can be formed at low cost by a simple method using a zirconium alkoxide (o) and a yttrium compound (p) as starting materials, and with which a dense yttria-stabilized zirconia layer can be obtained. A coating composition (b2) is obtained that contains a zirconium alkoxide (o), an yttrium compound (p), a chelate compound (q), a polyalkylene glycol (r), a catalyst (s), water (t), and an organic solvent (u).
Resumen de: JP2025120966A
To reduce the size of a hydrogen tank storing fuel of a fuel cell and the size of a heat exchanger releasing heat of coolant of the fuel cell.SOLUTION: An electrically-driven construction machine is provided, comprising an electric motor, a fuel cell, a battery, an operation device directing operation of a vehicle body, a power control device controlling the power supplied to the electric motor, and an external power receiver that receives power from a commercial power supply. The power control device calculates a required power amount of the electric motor based on operation amount of the operation device. The power control device charges the battery while driving the electric motor with power from the external power receiver when the required power amount does not exceed the maximum output value of the external power receiver and the battery can be charged, and charges the battery while driving the electric motor with power from a fuel cell and the external power receiver when the required power amount exceeds the maximum output value, does not exceed the total maximum output value of the external power receiver and the fuel cell, and the battery can be charged.SELECTED DRAWING: Figure 5
Resumen de: TW202525908A
The present invention relates to tracking-resistant electromobility components having a colour distance DeltaE from the L*a*b* coordinates to a colour number of the RAL colour chart beginning with a "2" of < 20 containing polymer compositions based on at least one polyamide and 1,3-dihydro-5,6-bis(((2-hydroxy-1-naphthyl)methylene)amino-2H-benzimidazol-2-onato(2-)-N5,N6,O5,O6)nickel and to the use of 1,3-dihydro-5,6-bis(((2-hydroxy-1-naphthyl)methylene)amino-2H-benzimidazol-2-onato(2-)-N5,N6,O5,O6)nickel for producing polyamide-based tracking-resistant electromobility components having a colour distance DeltaE from the L*a*b* coordinates to a colour number of the RAL colour chart beginning with a "2" of < 20.
Resumen de: WO2025051480A1
The invention relates to an end plate (10) for a fuel cell stack (12) of a fuel cell system (14), the end plate comprising: a first connection portion (16) which has at least one first connector (18) for supplying and/or discharging at least one reactant and/or a reaction product and/or a coolant; and a second connection portion (20) which has at least one second connector (22) for supplying and/or discharging at least one reactant and/or a reaction product and/or a coolant; wherein: a reaction region (24) is situated between the first connection portion (16) and the second connection portion (18); the at least one first connector (18) of the first connection portion (16) has a first transfer region (26) for transferring the at least one reactant and/or the reaction product and/or the coolant into the fuel cell stack (12) or out of the fuel cell stack (12); and/or the at least one second connector (22) of the second connection portion (20) has a second transfer portion (28) for transferring the at least one reactant and/or the reaction product and/or the coolant into the fuel cell stack (12) or out of the fuel cell stack (12);and the first transfer region (26) and/or the second transfer region have/has a surface structure (30).
Resumen de: WO2025031838A1
The present invention relates to porous carbon structure comprising one or more sets of porous spherical carbon particles, wherein each of said one or more sets of porous spherical carbon particles has a monomodal, bimodal or multimodal particle diameter distribution, and/or a monomodal, bimodal or multimodal templated pore size distribution, wherein each mode of said particle diameter distribution defines a subset of porous spherical carbon particles within the set, each subset having a particle diameter dispersity (đ) of 1.2 or less, and wherein each mode of the templated pore size distribution defines a subset of porous spherical carbon particles within the set, each subset having a templated pore size dispersity (đ') of 1.2 or less. The invention further relates to methods for producing the porous carbon structures of the invention, electrodes made from such structures and their use in various applications, including among others electrochemical energy storage and conversion.
Resumen de: CN114725426A
The invention discloses an air-cooled fuel cell stack which comprises a plurality of fuel cells, and each fuel cell comprises an anode bipolar plate, a cathode bipolar plate, a membrane electrode assembly and an anode sealing assembly. A membrane electrode assembly is located between an anode bipolar plate and a cathode bipolar plate and includes an anode-side structure, a cathode-side structure, and an ion-conducting membrane sandwiched between the anode-side structure and the cathode-side structure. And the anode sealing assembly is arranged at the periphery of the anode side structure and is clamped by the anode bipolar plate and the ion conduction membrane. The anode sealing assembly comprises a first sealing material and a second sealing material, the Shore hardness of the first sealing material is different from that of the second sealing material, and the arrangement direction of the first sealing material and the second sealing material is perpendicular to the compression direction of the plurality of fuel cells.
Resumen de: CN121790447A
本发明涉及燃料电池在线诊断与健康管理技术领域,公开一种基于DC‑DC拓扑的燃料电池电堆交流阻抗检测方法,将电堆实时工况(Idc,T,RH,|Zmin|)与阻抗测量过程动态关联,实现激励强度的实时优化,从根本上解决了“测试损伤”与“测量精度”之间的矛盾。基于阻抗迭代的预测控制:利用前一频点的测量结果指导下一频点的激励强度,使系统能自适应电堆在不同频率下的动态响应特性。双重安全保障:结合“基于工况的电压扰动上限”和“基于阻抗的电流幅值计算”,构建了立体化的安全防护体系。在安全前提下,始终使用当前条件下能达到的最大有效信号强度,保证了全频段测量的高信噪比和高精度。
Resumen de: CN121790444A
本申请提供一种燃料电池氢气循环系统,涉及电池技术领域。本申请提供的燃料电池氢气循环系统,包括储氢容器、第一比例阀、第二比例阀、第一引射器、第二引射器、第三引射器以及燃料电池堆,第一比例阀和第二比例阀并列设置;第一引射器的进气口连通于第一比例阀的出气口,第二引射器的进气口连通于第一引射器的出气口,第二引射器的出气口连通于燃料电池堆的进气口,第三引射器的进气口连通于第二比例阀的出气口,第三引射器的出气口连通于燃料电池堆的进气口,第一引射器的引射口、第二引射器的引射口以及第三引射器的引射口均连通于燃料电池堆的排气口。本申请提供一种燃料电池氢气循环系统,可以提高引射器的引射效果。
Resumen de: CN121790434A
本发明属于液流电池技术领域,具体涉及一种隔膜、隔膜制备方法及液流电池。该隔膜包括:基膜和疏水性离子液体,基膜包括微结构,微结构能够容纳疏水性离子液体;疏水性离子液体至少包括双三氟甲烷磺酰亚胺阴离子,液流电池工作过程中,双三氟甲烷磺酰亚胺阴离子能够穿过微结构。该隔膜通过同时抑制水合离子与水分子迁移,实现正、负极电解液的组成稳定,能够保障液流电池在高容量和长循环条件下的可靠运行。该隔膜的制备方法采用简单的真空浸渍法,无需复杂或昂贵的设备,操作方便,能够快速获得对水合离子和水分子迁移具有优异抑制效果的隔膜,具备良好的规模化生产潜力。
Nº publicación: CN121790448A 03/04/2026
Solicitante:
无锡氢融时代科技有限公司
Resumen de: CN121790448A
本发明公开一种采用数据驱动方法的氢燃料电池故障检测装置及方法,属于氢燃料电池故障检测领域。该方法包括以下步骤:通过传感器获得氢燃料电池故障诊断深度学习模型的训练数据;采用上述数据对模型进行训练;通过传感器收集测试数据,并输入训练好的氢燃料电池故障诊断深度学习模型计算获得氢燃料电池的输出电压;比较传感器测试获得的输出电压和模型预测获得的输出电压,如果偏差超过用户预设的阈值,显示氢燃料电池的故障状态。本发明基于对氢燃料电池输出特性有显著影响的一系列传感器数据进行处理,建立输出电压的预测模型,从而对电池特性是否偏移正常工作状态进行判断,获得电池是否处于故障状态的最终检测结果。