Absstract of: CN121460634A
本发明涉及燃料电池控制技术领域,公开了一种氢燃料系统控制器的控制方法,包括:响应于系统停机指令,控制DC/DC变换器维持运行并请求预设的扫气电流,利用电堆内部电化学发电反应消耗流道及管路内的残余反应气体;同时执行断氢降空操作,并实时采集电堆平均单体电压;在监测到平均单体电压降至预设的抗腐蚀安全阈值以下时,控制DC/DC变换器断开连接并开启机械吹扫,本发明通过建立电化学能耗尽与机械吹扫的时序互锁机制,从物理化学根源上阻断停机过程中的高电位滞留路径,避免因氢空界面效应引发的反极性腐蚀,延长电堆使用寿命。
Absstract of: CN121452070A
本申请提供一种固体氧化物燃料电池与燃气轮机混合动力系统,包括:SOFC模组、燃气轮机和电解池模组;SOFC模组包括第一和第二SOFC模块;燃气轮机包括压缩机组、燃烧器和透平,燃烧器包括具有燃烧模式和非燃烧模式的第一燃烧器和第二燃烧器,非燃烧模式为常态运行模式;透平包括高、中、低压段透平;外界空气经压缩机组加压及换热后进入第一SOFC模块发电,然后空气依次经高压段透平和低压段透平膨胀做功后进入第二SOFC模块发电,再进入自由动力透平膨胀做功;电解池模组与自由动力透平的出口连接,自由动力透平的排烟与电解用水换热。本申请能够减少系统燃烧㶲损和排放。
Absstract of: CN121460623A
本发明涉及氢燃料电池系统技术领域,更具体的说是一种环形燃料电池电推进系统。一种环形燃料电池电推进系统,包括螺旋桨、电机、前端板、环形膜电极、风扇及后端板;所述前端板与后端板相对设置并围合形成封闭框架,所述环形膜电极环形布置于前端板与后端板之间;所述电机安装于前端板中心,电机的外轴与螺旋桨连接以驱动螺旋桨提供飞行动力,电机的内轴直接与风扇连接以驱动风扇转动;所述风扇对应环形膜电极的环形区域设置,且风扇采用三级叶轮结构,三级叶轮的尺寸沿气流方向逐级增大;通过集成化结构设计与协同控制逻辑,实现散热与动力的一体化,提升电堆运行效率与稳定性,适配无人机动力需求。
Absstract of: CN121460633A
一种新型海岛能源综合利用系统,包括联合制氢装置、氢气罐、预热装置、空气供给装置、燃料电池、第一水泵、抽水泵、冷凝器与锂离子电池;太阳能组件、风能组件和生物质能组成联合制氢装置,联合制氢装置的输出端与氢气罐的输入端连接,氢气罐的输出端、燃料电池的输出端与预热装置的输入端连接,预热装置的输出端与燃料电池的输入端连接;预热装置的输出端与第一换热器的输入端连接;空气供给装置的输入端与空气连接,空气供给装置的输出端与预热装置的输入端连接,预热装置与燃料电池双向连接;第一水泵的输入端与海水连接,第一水泵的输出端与第二换热器的输入端连接,第二换热器的输出端与第二水泵的输入端连接。本发明海岛地区能源供应稳定。
Absstract of: CN121460649A
本发明公开了一种呈连续一维形态的陶瓷纤维电解质材料及其制备方法,所述电解质材料为呈一维纳米阵列结构的钙钛矿型BaY0.1Zr0.9O3‑δ。本发明制得的质子导体能够实现质子的快速输运,从而解决现有陶瓷燃料电池在中低温条件下质子迁移率低的问题,本发明从陶瓷纤维角度设计质子导体材料,制备具有钙钛矿结构的连续一维形态陶瓷纤维材料,构筑了质子传输的“高速通道”,从而实现在中低温下质子在质子导体中的快速迁移,进而大幅提升燃料电池在中低温下的电化学性能。
Absstract of: CN121460642A
本发明提供一种甲醇重整制氢燃料电池分布式发电装置及控制方法,涉及燃料电池发电的技术领域。其中,装置包括:甲醇重整制氢系统、燃料电池发电系统以及发电装置总控制器。甲醇重整制氢系统包括三台制氢机,每台制氢机均包括:甲醇重整单元和钯膜纯化单元。所述燃料电池发电系统包括:燃料电池电堆模块、电力变换模块及燃料电池总控制器。本发明使用甲醇水溶液作为燃料,含标准交流输出接口,可独立运行,具有燃料易于获取、宽调节范围、操作灵活、运行可靠且环境友好等特点。
Absstract of: CN121460620A
本申请属于燃料电池领域,具体公开了一种气体扩散层结构、其制备方法及燃料电池,该气体扩散层结构包括扩散板体,扩散板体上形成有激光制成的多个通孔,多个通孔分布于扩散板体的下游区域,下游区域位于扩散板体靠近阴极气体出口的一端,且通孔对应燃料电池的双极板的流道设置,用于制作通孔的激光从扩散板体更靠近燃料电池外侧的一侧入射。该气体扩散层结构可以显著缓解长时间高电流密度运行下的局部水淹问题;有效提高下游部分突然拉载时的反应物传质能力进而提高发电能力,实现电池整体发电能力的均匀性提升电池寿命;且能够更大程度发挥通孔在排液态水和提升气体传质的能力,从而整体提升燃料电池在高电流密度下的稳定性和性能。
Absstract of: CN121460646A
本发明属于质子交换膜燃料电池技术领域,具体涉及一种基于类沸石咪唑酯骨架材料的耐高温复合质子交换膜、制备方法及应用。本发明通过在全氟磺酸树脂中引入含咪唑基团的类沸石咪唑酯骨架材料有效解决了咪唑基团直接引入导致的团聚问题,而且通过类沸石咪唑酯骨架材料在潮湿酸性条件下的进一步处理,增加了不依赖水分子为质子传导介质的质子传输途径,提高了质子交换膜燃料电池的工作温度,缓解了燃料电池工作温度过高下质子电导率明显下降的问题,有利于简化电池水热管理系统。该复合质子交换膜的制备方法简单高效,便于大规模化生产。
Absstract of: CN121460619A
本发明涉及燃料电池质子交换膜技术领域,公开了高效水管理气体扩散层及其制备方法和应用。包括基底层和覆在所述基底层上的微孔层,所述基底层为改性碳纸层,所述改性碳纸层由对碳纸通过酚醛树脂和微晶纤维素改性得到;所述微孔层的材料含有亲水性炭黑、聚四氟乙烯、疏水改性碳纳米管和非离子型表面活性剂。该方案可以进一步提升基底层的基底强度,令气体扩散层具有更优异的透气性能及抗压能力;同时增强微孔层与基底层的结合能力,进一步提升微孔层的导电性能并增强低湿条件下气体扩散层的储水能力,扩宽其湿度应用范围。
Absstract of: CN121460637A
本发明公开了一种燃料电池电堆的故障诊断方法、装置、设备及介质,涉及氢燃料电池领域,方法包括:获取多种故障状态下燃料电池电堆的运行数据集,筛选出与故障状态相关联的故障辨识参数集;将多种故障状态下燃料电池电堆的故障条件输入至预设模型,建立故障辨识参数集与其在正常状态下的基准值之间的映射关系;计算故障辨识参数集和故障辨识参数集对应的基准值之间的偏差量,建立动态阈值函数;测量待诊断燃料电池电堆的实测故障辨识参数集,计算其与基准值之间的实测偏差量;根据动态阈值函数获取当前电流下的允许偏差量,对比实测偏差量和允许偏差量,根据对比结果输出待诊断燃料电池电堆的诊断结果。本发明诊断结果更精确、诊断效率高。
Absstract of: CN121460615A
本发明公开了一种直接甲醇燃料电池用酸碱协同质子交换膜及制备方法,属于材料技术领域。本发明的制备方法包括如下步骤:将聚乙烯醇溶液与壳聚糖溶液共混后,加入交联剂2‑膦酸丁烷‑1,2,4‑三羧基,制成膜片后再次加热交联,制得直接甲醇燃料电池用酸碱协同质子交换膜。本发明还公开了采用上述方法制得的直接甲醇燃料电池用酸碱协同质子交换膜。本发明通过巧妙的材料选择和结构设计来控制膜内的酸碱对数量,通过一步法制备出了一种在质子传导率、甲醇阻隔性、机械强度和尺寸稳定性等方面均表现优异的新型复合膜,为直接甲醇燃料电池等领域的质子交换膜材料提供了具有重要应用价值的新选择。
Absstract of: CN121460602A
本发明公开了一种Ba/Ho共掺杂镧锶钴基钙钛矿阴极材料及制备方法与应用,属于固体氧化物燃料电池阴极材料技术领域,所述Ba/Ho共掺杂镧锶钴基钙钛矿阴极材料的化学通式为ABO3‑δ,其中A位为La、Sr、Ba和Ho;B位为Co;La、Sr、Ba、Ho和Co的摩尔比为(0.1‑0.5):(0.1‑0.5):(0.1‑0.5):(0.05‑0.2):1;0≤δ<3。采用本发明的一种Ba/Ho共掺杂镧锶钴基钙钛矿阴极材料制备方法得到的该阴极材料表现为钙钛矿结构的纯相,具有较高的氧还原活性,较低的极化电阻,优异的抗Cr、CO2中毒能力。
Absstract of: CN121460651A
本发明公开了一种全碱性锰基开路液流电池及其构建方法,液流电池中将充电负极催化剂作为充电负极,与含硝酸根充电负极电解液组成充电负极模块;将放电负极催化剂作为放电负极,与含乙二醇放电负极电解液组成放电负极模块;将惰性催化剂作为惰性正极,与含有碱性氧化还原离子对正极电解液组成正极模块;将正极模块设置于充电负极模块和放电负极模块之间,相邻模块之间均设置隔膜。本发明成本低、安全高、稳定长效,通过使用锰元素作为活性物质,大幅降低成本;使用碱性电解液比酸性电解液更安全,减少设备腐蚀问题;碱性正极电解液与有机物氧化反应进行耦合,避免酸碱中和产生的损耗,有效提高开路液流电池的稳定性。
Absstract of: CN121460647A
本发明公开了一种基于MXene阴极修饰的非对称质子交换膜及其制备方法和应用,基于MXene阴极修饰的非对称质子交换膜包括:从下至上依次设置的阳极功能层、阴极功能层和MXene层,MXene层通过静电吸引与阴极功能层连接,阳极功能层和阴极功能层共同形成复合膜,其中,阳极功能层包括:磺化聚醚醚酮和壳聚糖修饰碳量子点;阴极功能层包括:全氟磺酸。本发明的阳极功能层采用磺化聚醚醚酮掺杂壳聚糖修饰碳量子点,利用磺化聚醚醚酮的高保水性和CS@CQDs的质子跳跃辅助效应,提升基于MXene阴极修饰的非对称质子交换膜的质子传导效率。在阴极功能层表面构筑MXene层,通过MXene的自由基淬灭能力和致密屏障作用提升力学性能。
Absstract of: CN120660210A
The present invention relates to dioxygen tolerant redox flow batteries (RFBs), methods of making RFBs in the presence of dioxygen and methods of charging and/or discharging RFBs in the presence of dioxygen and uses thereof. The RFB includes an electrolyte comprising an organic redox-active molecule comprising a redox-active unit having two or more heteroarylene groups wherein the two or more heteroarylene groups are conjugated within the redox-active unit, and wherein the two or more heteroarylene groups are conjugated within the redox-active unit. And at least a portion of the redox-active unit is present as a complex formed from a monoreduced form of the redox-active unit, and wherein molecular dioxygen (O2) is dissolved in the electrolyte. The RFB of the present invention can be operated in the presence of dioxygen so that there is no need to create strict dioxygen-free conditions by purging, sealing, and flowing inert gases through the RFB.
Absstract of: MX2025007190A
Embodiments in accordance with the present invention encompass a composition comprising one or more of polycyclic olefinic monomers of formula (I) and one or more monomers of formula (III) for forming anion exchange membrane optionally in combination with one or more monomers of formula (II). The composition undergoes mass vinyl addition polymerization either under thermal or photolytic conditions and can be formed into ionomers on a suitable membrane support. The membrane supports thus formed are suitable as anion exchange membranes for fabricating a variety of electrochemical devices, among others. More specifically, the ionomeric membranes are formed on a variety of supports which contains a variety of quatemized amino functionalized norbomene monomeric units which are lightly crosslinked (less than five mol%). The membranes so formed exhibit very high ionic conductivity of up to 280 mS/cm at 80 °C. The electrochemical devices made in accordance of this invention are useful as fuel cells, gas separators, and the like.
Absstract of: CN121460626A
本发明公开了一种固态储氢装置及燃料电池的能量流控制方法,涉及固态储氢技术领域,包括固态储氢罐及分别设于固态储氢罐内外部的换热部件;位于内部的换热部件包括设于固态储氢罐内并沿其轴向布置的内置管道,内置管道的两端分别延伸出固态储氢罐的两端外,内置管道的两端分别构成第一换热进口和第一换热出口;位于外部的换热部件包括用于供固态储氢罐插设安装的换热箱体,换热箱体上与其内腔连通设置有第二换热进口和第二换热出口。本发明通过构建内外双路协同的复合换热系统,极大地增强了热管理的均匀性和效率,能够快速响应吸氢或放氢反应对温度的需求,从而提升了固态储氢罐的储放氢速率和整体工作性能。
Absstract of: CN121460622A
本发明公开了一种燃料电池系统,涉及燃料电池技术领域,包括燃料电池发电单元,燃料电池发电单元包括燃料供应单元、燃料换热单元、空气供应单元、空气换热单元,由燃料供应单元输出的燃料经多个燃料换热单元进行预热和分配,由空气供应单元输出的空气经空气换热单元预热;所述燃料换热单元和电堆燃料侧通道之间、空气换热单元和电堆空气侧通道之间分别设置电堆空气燃料分配总底板,燃料与空气经电堆空气燃料分配总底板参与电堆发电后,分别回流至燃料换热单元、空气换热单元。本发明能够降低加工难度,便于进行均匀性调节,降低成本。
Absstract of: CN121460605A
本发明涉及燃料电池催化剂制备技术领域,具体涉及一种PtSbTe纳米片氨氧化反应电催化剂及其制备方法和应用。以Sb2Te3纳米片为模板,以铂盐为铂源,以乙二醇为溶剂和还原剂,进行溶剂热反应;或者以Sb2Te3纳米片为模板,以铂盐为铂源,以柠檬酸三钠为表面活性剂,以水为溶剂,室温下进行反应,得到PtSbTe纳米片氨氧化反应电催化剂。所述催化剂呈六边形,为面心立方晶体结构,尺寸为279nm~612nm,厚度为10nm~57nm。PtSbTe纳米片催化氨氧化的质量比活性、面积比活性及稳定性均优于商业JM Pt黑催化剂,为直接氨燃料电池商业化提供基础。
Absstract of: CN121460604A
本发明属于燃料电池技术领域,具体涉及一种氟掺杂的铂碳催化剂及其制备方法与应用。所述氟掺杂的铂碳催化剂的制备方法包括以下步骤:S1.将碳载体与氟源混合均匀,得到混合粉末;S2.将混合粉末在惰性气体氛围中进行高温热解,经后处理得到氟掺杂碳载体;S3.将可溶性铂盐负载在所述氟掺杂碳载体上,采用液相还原或气相还原的方法得到氟掺杂的铂碳催化剂。采用本发明的制备方法得到的氟掺杂的铂碳催化剂具有均匀的铂族金属粒子分布,其中氟掺杂碳载体上负载的铂族金属纳米粒子尺寸分布在2~3nm之间,且催化剂活性大幅提升。
Absstract of: CN120659909A
An electrochemical cell stack (1) comprising a plurality of cells (2) separated from one another by bipolar plates (5, 5 '), where each cell (2) is formed by two half-cells (3, 4) between which a membrane (6) surrounded by a support frame (7) is arranged, and where a porous transport layer (10, 11) is present in each half-cell (3, 4). The support frame (7) describes a step shape having two adjacent cross-sectional areas (12, 13), in which the edge (18) of the membrane (6) lies in a step (17) formed by the cross-sectional areas (12, 13) and the porous transport layer (10) of the half-cell (3) extends into the step (17), and in which the porous transport layer (10) of the half-cell (3) extends into the step (17). According to the invention, the support frame (7) comprises at least one sealing arrangement (15) injection molded onto the support frame (7) and comprising an electrically insulating sealing material, according to the invention, the sealing arrangement (15) comprises three sealing regions (19, 20, 21), each having at least one sealing lip (22, 22 '), in particular a first sealing region (19) and a second sealing region (20) and a third sealing region (21), which are assigned to narrower regions of the two cross-sectional regions (12, 13) facing the membrane (6), the first sealing region and the second sealing region each contact exactly one bipolar plate (5, 5 '), and the third sealing region is located on a side of the support frame (7) facing away from the step (17)
Absstract of: US2025362207A1
The present invention relates to a method for detecting a malfunction of a fuel outlet arrangement (16) in a tank system (11) for a fuel cell system (10), comprising the steps of: determining a transition from increased operation to reduced operation of the tank system (11) with a reduced fuel mass flow from the fuel tanks (12, 13, 14) of the tank system (11), determining a pressure build-up gradient in a fuel line arrangement (15) during the reduced operation after a defined time has elapsed after the determined transition to the reduced operation, providing a target pressure build-up gradient, performing a comparison between the determined pressure build-up gradient during reduced operation and the provided target pressure build-up gradient, and detecting a malfunction of the fuel outlet arrangement (16) based on the comparison. The invention also relates to a tank system (11) and a computer program product (23) for carrying out the method, as well as a computer-readable storage medium (24) on which such a computer program product (23) is stored.
Absstract of: CN120513530A
The invention relates to a method for producing a bipolar plate (1), comprising two electrically conductive individual plates (1a, 1b), each of which is formed from a polymer-graphite composite material, comprising the following steps: providing the two individual plates (1a, 1b); providing an annular strip of metal sheet (2); placing a strip (2) of sheet metal between the two individual plates (1a, 1b) in the peripheral region of the individual plates (1a, 1b); and-fusing the sheet metal strip (2) into adjacent surfaces (3a, 3b) of the individual plates (1a, 1b), the two individual plates (1a, 1b) being connected to each other in the region of the sheet metal strip (2) in a fluid-tight and electrically conductive manner. The invention also relates to a bipolar plate (1) and an electrochemical cell (10).
Absstract of: GB2633441A
A method of recycling a solid ionomer material contaminated with seal material used for mounting the solid ionomer material in use, the method comprising: heating the solid ionomer material in a solvent to disperse the solid ionomer material forming a dispersion of ionomer in the solvent, the dispersion also containing one or more breakdown products from the seal material; adding an acid to the dispersion to reduce the pH of the dispersion and precipitate the one or more breakdown products; and separating the precipitated breakdown products from the dispersion. In some embodiments, the ionomer material is scrap or used ionomer material from a fuel cell or electrolyser. The seal material may be polyethylene, polyethylene terephthalate (PET), polyethylene napthalate, polyethylene-vinyl acetate or poly(alkylene napthalenedicarboxylate). The acid may be chosen from hydrochloric acid, sulfuric acid, sulfonic acid or an organic acid, preferably the acid is hydrochloric acid. The solvent may be an aqueous basic solution or an organic solvent (including alcohols), preferably an aqueous solution of lithium hydroxide (LiOH) is used.
Nº publicación: CN121460618A 03/02/2026
Applicant:
广东环华氢能科技有限公司
Absstract of: CN121460618A
本申请属于燃料电池领域,公开了一种接触角可调的柔性石墨双极板及其制备方法,该制备方法通过将不同目数的可膨胀石墨按比例混合后,经过膨胀、模压、浸渗、表面清洗、水浴固化、烘干制得的柔性石墨双极板,通过调控刻蚀时间和刻蚀气体种类,利用等离子体中含有大量的自由电子、离子和亚稳态粒子等高能粒子冲击双极板表面,形成新的化学键,实现对极板中官能团数量和种类的调控,从而改变极板表面的亲/疏水特性。