Resumen de: CN122677482A
本申请公开了一种面向混电飞机的氢动力系统全流程设计方法及系统。属于航空氢动力技术领域。该方法包括:建立质子交换膜燃料电池的极化特性模型,获得单个燃料电池单元的功率特性,根据飞机功率需求确定燃料电池模块的总体参数并获得氢气消耗量;根据氢气消耗量以有效质量储氢密度为优化指标对液氢储罐进行迭代设计,输出储罐总质量;将燃料电池模块的总体参数与液氢储罐的设计结果嵌入飞机总体尺寸设计迭代流程,以储罐总质量替换初始猜测值计算飞机最大起飞质量;重复执行上述步骤直至最大起飞质量收敛,输出设计方案。本发明实现了氢动力系统与飞机总体参数的耦合迭代设计,提高了设计精度和整机性能。
Resumen de: CN122677479A
本发明涉及燃料电池技术领域,具体涉及一种船用燃料电池盐雾污染后的在线变载恢复方法,包括如下步骤:在待恢复燃料电池保持在线状态下,测试污染后的极化曲线作为性能基准;将燃料电池温度稳定控制在预设工作温度范围,阳极通入氢气,阴极通入不含盐雾污染物的洁净压缩空气并对阴极进气进行额外增湿;控制燃料电池在高电流密度区间内进行循环变载运行;循环变载运行结束后切换至基准运行条件,测试恢复后的极化曲线;对比恢复前后的极化曲线,计算电压恢复率,量化评估恢复效果。本发明无需拆卸电堆即可在线完成盐雾污染后的性能恢复且恢复效果显著,建立了标准化的可编程恢复流程与量化评估方法,有效延长了燃料电池的使用寿命。
Resumen de: WO2025143949A1
Disclosed are a gas diffusion layer and a fuel cell comprising same. The gas diffusion layer has a horizontal gas permeability (InP) of 10 to 100×10-12m2 and a vertical gas permeability (ThP) of 0.02 to 1×10}-12m2.
Resumen de: GB2636461A
A chamber for use in a heat exchanger or flowing electrolytic half-cell, for through flow of a fluid which is capable of elastic turbulence has an inlet 12 and an internal structure with obstructions 20, 44 to compel flow to undergo successive changes of direction thereby applying stress to the fluid flowing through the chamber. The internal structure comprises an upstream portion 47 in which the applied stress induces elastic turbulence to begin and a downstream portion 45 which applies less stress per unit length and sustains the elastic turbulence while providing economy of pressure to propel the fluid. Configuration of the upstream portion may be planned with computer modelling so as to avoid formation of stagnant zones.
Resumen de: US2025163212A1
0000 Described herein is a method for making sulfonated polyphenylene polymers and the uses thereof. Such sulfonated polyphenylene polymers, and membranes prepared therefrom, have applications in fuel cells, water electrolyzers, water purification, battery products, and other electrochemical devices.
Resumen de: US2023307684A1
0000 Liquid membrane cell assemblies are disclosed. In some embodiments, the liquid membrane cell assembly includes an elongate base having opposed first and second end portions and a central portion disposed therebetween. The first and second end portions each includes an elongate body, an electrolyte channel within the body, an electrolyte port fluidly connected to the electrolyte channel, a fuel channel within the body, and a fuel port fluidly connected to the fuel channel. The central portion includes spaced and opposed first and second members that connect the bases of the first and second portions and that horizontally define an open area therebetween. The liquid membrane cell assembly additionally includes an anode adjacent the first and second members, and a cathode adjacent the first and second members such that the base is disposed between the anode and the cathode. The anode and cathode vertically define the open area therebetween.
Resumen de: US20250066521A1
An anion-conducting polymeric membrane can include vinylbenzyl-Rs vinylbenzyl-Rx and styrene. In some embodiments, Rs is a tetra methylimidazolium, and Rs is a positively changed amine. In some embodiments, the total weight of the vinylbenzyl-Rs groups is greater than 20% of the total weight of the membrane.
Resumen de: WO2025037119A1
The present invention provides a proton-exchange membrane comprising a blend of first and second ionomers, the first ionomer comprising a first main chain covalently bonded to a first side chain and the second ionomer comprising a second main chain covalently bonded to a second side chain; wherein each of the first and second side chains comprise a sulfonic acid end group; wherein a relaxation modulus of a membrane formed from the first ionomer is at least 10 times less than a relaxation modulus of a membrane formed from the second ionomer, preferably at least 100 times less; and wherein the relaxation modulus of the membrane formed from the second ionomer is greater than 10,000 MPa.
Resumen de: WO2025034696A2
Ion exchange membranes and methods for forming the membranes are described. The ion exchange membranes can be incorporated in a redox flow battery. The membranes can exhibit high conductivity of desired ions (e.g., protons or hydroxide ions) as well as stability and durability in the redox flow battery environment while also exhibiting low permeability to redox couple species. The membranes are formed according to a polyphosphoric acid formation technique and subjected to a densification and thermal treatment.
Resumen de: CN122677471A
本发明涉及燃料电池氧还原催化剂技术领域,更具体地说,是涉及一种PtCo氧还原催化剂及其制备方法和应用。包括:复合碳载体;形成于复合碳载体表面或孔道中的LDH衍生锚定层;负载于复合碳载体和/或LDH衍生锚定层表面的PtCo合金纳米颗粒;LDH衍生锚定层与所述PtCo合金纳米颗粒之间形成Pt‑O‑M、Pt‑N、Pt‑C、Pt‑Co、Co‑N、Fe‑N、M‑O‑C、M‑N‑C中的至少一种界面结构。该催化剂以工业化成熟碳材料为主体,以LDH衍生物作为低含量锚定层,并负载Pt‑rich PtCo合金纳米颗粒,兼具高Pt利用率、良好结构稳定性、低成本和可放大生产能力的性能。
Resumen de: CN122667708A
本发明公开了一种微生物燃料电池处理氮污染物的方法,属于污水处理技术领域,包括以下步骤:S1、建立微生物燃料电池脱氮运行体系并获取初始运行参数;S2、依据初始运行参数建立电子供给能力与氮污染物转化需求之间的动态匹配关系;S3、根据动态匹配关系和氮污染物转化状态调控微生物燃料电池运行工况;S4、依据运行工况和电化学反馈信息实施脱氮过程闭环控制;S5、基于闭环控制过程进行脱氮终点判定及系统自恢复运行。本发明采用上述的一种微生物燃料电池处理氮污染物的方法,实现了微生物燃料电池脱氮过程与电子传递过程的协同控制,提高了电子利用效率和总氮去除效率,降低了中间产物积累,增强了系统运行稳定性及长期连续脱氮能力。
Resumen de: CN122677463A
本发明公开了一种具有优异催化活性的电极材料Sm0.9Ca0.1BaFe2O5+δ的制备方法与应用,涉及固体氧化物燃料电池技术领域。该材料采用EDTA(乙二胺四乙酸)‑CA(柠檬酸)燃烧法合成:按化学计量比称取硝酸盐溶于去离子水,搅拌均匀后按金属离子:EDTA:CA=1:1:1.5的比例加入络合剂。用氨水调节溶液pH至7~8,经2小时磁力搅拌后加热引发自燃反应,得到棕色粉体。将粉体于1100℃煅烧5小时,获得结晶良好的产物。所得材料在650~800℃工作温度下表现出优异的氧催化活性和电化学性能。本发明工艺简单,解决了层状双钙钛矿材料催化活性与电导率不足的问题,同时提出了A位Ca2掺杂调控晶体结构的策略。
Resumen de: CN122668366A
本申请实施例提供一种碱性树脂的纯化方法、碱性树脂、阴离子交换膜及其应用,所述纯化方法包括:将碱性树脂粗品和第一醇醚类溶剂混合,得到第一混合物,第一醇醚类溶剂的闪点大于60℃,将第一混合物进行第一分离,得到纯化的碱性树脂。该纯化方法采用了高安全性的处理液,无需受治安管制,还能深度去除碱性树脂粗品中的杂质,由此得到的纯化的碱性树脂内部的杂质残留量大幅降低,将其用于电解槽、燃料电池和液流电池等电化学体系能显著提高离子交换率、降低内阻,增强电化学器件的运行稳定性。
Resumen de: WO2025186578A2
A polymer electrolyte membrane for an electrochemical device, such as a water electrolyser, is provided. The membrane is provided with a first and a second membrane layer, each comprising a recombination catalyst. The loading of recombination catalyst in the first membrane layer is 75 to 97% of the total recombination catalyst loading in the electrolyte membrane, and the loading of recombination catalyst in the second membrane layer is 3 to 25% of the total recombination catalyst loading in the electrolyte membrane.
Resumen de: WO2025182758A1
The purpose of the present invention is to provide a low-cost porous carbon sheet that has a high compression deformation rate when constituting a water electrolysis cell, does not have the problems of penetration and short-circuiting, and has excellent electrical conductivity. The porous carbon sheet is a sheet-shaped structure having a porous structure in which carbon fibers are bound by a binder. The porous carbon sheet has a thickness d0 under a pressure of 0.15 MPa of 1.8-3.0 mm, a thickness d1 under a pressure of 1.0 MPa of 85% or more of the thickness d0 under the pressure of 0.15 MPa, and a thickness d2 under a pressure of 4.5 MPa of 75% or less of the thickness d0 under the pressure of 0.15 MPa.
Resumen de: WO2025172715A1
An electrochemical cell unit comprising a cell layer comprising an electrochemically active area and a spacer assembly. The spacer assembly is formed by a spacer plate and a flow distribution element. The cell layer and the spacer plate are overlaid in a spaced relationship to enclose a first fluid volume therebetween, wherein a first face of the cell layer faces the spacer plate. The flow distribution element is disposed within the first fluid volume. The first fluid volume comprises a first sub-volume and a second sub-volume with the flow distribution element disposed between the first sub-volume and the second sub-volume. The flow distribution element is configured to allow fluidic communication between the first sub-volume and the second sub-volume at a plurality of locations along the length of the flow distribution element to direct flow in three-dimensions in the first fluid volume.
Resumen de: WO2025155945A1
A composite electrode plate and its manufacturing method and a solid state battery are provided. The composite electrode plate includes an electrode plate body. At least part of side edges of the electrode plate body is provided with an edge sealing portion, and the edge sealing portion is made of an insulation material. The electrode plate body includes a current collector and a functional layer stacked with the current collector, and the edge sealing portion at least covers part of side edges of the current collector and part of side edges of the functional layer. By providing the edge sealing portion, the composite electrode plate can reduce the risk of short circuit during the hot-pressing process, the risk of coming into contact with water and oxygen during the manufacturing process, and the risk of occurring cracks or even fractures during use.
Resumen de: CN122677467A
本发明涉及质子导体固体氧化物燃料电池阴极材料技术领域,本发明公开了一种铟掺杂的铈酸钡‑铁酸钡基三重导电钙钛矿阴极材料,化学通式为:,其中,x=0.05、0.10、0.15,为氧空位含量,0<<1,所述材料具有单一的钙钛矿结构,同时具备电子导电、氧离子导电和质子导电三重导电性能,本发明通过铟掺杂制得纯相三重导电阴极材料,晶格膨胀与氧空位增加同步提升电子、氧离子和质子传导性能,电导率与催化活性显著提高,铟元素有效抑制碳酸钡杂相生成,大幅增强材料在水蒸气和二氧化碳气氛下的稳定性,最优组分电池功率密度高、长期运行稳定,且无钴低成本、制备工艺简便,与电解质匹配性好,综合性能优异,适于质子导体SOFC实用化应用。
Resumen de: CN122677468A
本发明属于液流电池材料技术领域,具体涉及了一种碳化钛复合电极及其制备方法和在液流电池中的应用。本发明复合电极以碳基材料为基底,通过低温熔盐刻蚀法在基底表面原位生长碳化钛(TiC)层,再采用电化学沉积法在TiC层表面原位、均匀地负载纳米金属颗粒,得到纳米金属/碳化钛复合电极。本发明通过TiC与纳米金属的协同催化作用,显著提升了电极对钒离子氧化还原反应的电催化活性,有效抑制了负极析氢副反应,大幅降低了电荷转移阻抗,从而提升了液流电池的库伦效率、能量效率及长循环稳定性。该方法工艺温和、无需粘结剂,复合结构稳定,适用于大规模储能应用。
Resumen de: CN122668336A
本发明属于高分子材料技术领域,本发明涉及一种邻二酮阴离子交换膜及制备方法和应用,解决了现有阴离子交换膜普遍面临的电导率不足、机械性能较差及耐碱性有限等问题。本发明制备得到的邻二酮阴离子交换膜设计保留了芳香族主链结构。同时创新性地引入一种邻二酮与含N酮类作为功能化支链,以此精确调控膜的离子传导能力与亲疏水平衡。本发明所涉及的制备工艺简便高效,所得膜材料在显著提升离子电导率的同时,能有效抑制聚合物链的溶胀,从而使其碱稳定性和机械强度获得同步增强。该设计兼顾高离子传导率与低膨胀特性,在阴离子交换膜及碱性电解水等领域展现出优异应用潜力。
Resumen de: CN122666139A
本发明涉及激光焊接技术领域,尤其涉及一种基于激光技术的储能电池双极板聚合物焊接设备,包括有底座、第一支柱、第一电动导轨和第二电动导轨等,底座顶部连接有第一支柱,第一支柱顶部安装有第一电动导轨,第一电动导轨的滑块上安装有第二电动导轨。本发明通过直线电机带动可以送料板向左移动,送料板带动阳极板和阴极板向左移动,将阳极板和阴极板移动至激光焊接器的下方,激光焊接器可以对阳极板和阴极板进行焊接,送料板有四块,分成两个工位,其中一个工位在焊接时,另外一个工位进行装料,如此便可连续地对阳极板和阴极板进行焊接,避免激光焊接器长时间停机,从而能够提高工作效率。
Resumen de: CN122677458A
本发明属于氢/电转化体系催化界面调控技术领域,公开了一种氢/电转化体系催化剂界面离聚物调控方法及应用。本发明通过设计共价有机框架材料,对其进行两性电荷功能化与剥离步骤,制得尺寸小、厚度薄的多孔共价有机框架纳米片,具有孔隙可调节,表面离子电荷可定制等特点,用于调控电化学工程氢/电转化体系催化界面离聚物形态,从而显著提升催化利用效率,并有效改善由于催化界面不均匀缺陷导致的稳定性欠佳问题,且减少催化界面构筑所需要的离聚物用量。对于促进氢/电转化体系大规模商业化具有重要意义。
Resumen de: CN122677461A
本发明涉及一种双掺杂多孔碳负载贵金属催化剂的制备方法,包括以下步骤:将氧化镁纳米颗粒分散液滴加到水溶性有机化合物溶液中,搅拌后干燥,再进行煅烧,得到固体粉末;将固体粉末分散于酸溶液中,加热处理,得到多孔碳材料;将多孔碳材料与含氮有机物、碘单质混合,热处理后得到双掺杂多孔碳材料;在多孔碳材料上负载贵金属催化剂,得到双掺杂多孔碳负载贵金属催化剂。本发明的双掺杂中,碘在高温条件下对碳的腐蚀作用,可以对死孔进行联通,增强对氧气的传质,提高催化剂的利用率;I与醇相互作用,促进贵金属Pt颗粒的均匀分散,提高催化剂的活性和耐久性。本发明方法制备的双掺杂多孔碳负载贵金属催化剂在电催化领域具有广泛的应用前景。
Resumen de: JP2026139622A
【課題】セルユニット間の境界面をシールするために圧縮力を加えた際、セルユニット内のチャネル構造の高さが減少したり、変化したりするのを抑制する。【解決手段】電気化学セルユニットのためのプレート、プレートを備える電気化学セルユニット、プレートを備える電気化学セルユニットのスタック、及びそれらの製造方法である。プレートは、少なくとも1つの流体ポートを備え、少なくとも1つの流体ポートを少なくとも部分的に囲む領域において、プレートに補強及び強化のうちの少なくとも1つが行われる。【選択図】図11
Nº publicación: JP2026139836A 01/09/2026
Solicitante:
大阪瓦斯株式会社
Resumen de: JP2026139836A
0001 【課題】電子導電性及び酸素還元反応を維持しつつも、シンタリング抑制によるガス拡散性能の低下を抑制することができる。 【解決手段】電極層2と電解質層4と対極電極層6とが記載の順に積層され、電極層2又は対極電極層6の何れか一方である空気極又は酸素発生極が、電解質層4の側から酸化還元反応が行われる活性層6aとガスを拡散する拡散層6bとを有する電気化学素子であって、拡散層6bが、粒子状のLSCFと、粒子状のCo及びMnを含む金属酸化物であるCoMn金属酸化物とを混合して構成されており、LSCFの組成はLa<0.6>Sr<0.4>Co<0.2>Fe<0.8>O<3-δ>であり、CoMn金属酸化物の組成はCo<1.5>Mn<1.5>O<4>、Co<2>MnO<4>、Co<2.5>Mn<0.5>O<4>の少なくとも何れか一種であり、拡散層におけるCoの質量に対するLaの質量の比率が、1.051以上2.762以下の範囲である。 【選択図】図2