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873
results.
Updated on
06/05/2025 [07:06:00]
Results 600 to 625 of 873
Absstract of: WO2025058260A1
An apparatus integrated with floating offshore wind power for producing offshore green hydrogen, according to one embodiment, comprises: an offshore wind power generator; a hydrogen production system for producing hydrogen by using seawater; a control unit for controlling at least one portion of the hydrogen production system; and a power source unit for supplying power to at least one portion of the hydrogen production system or the control unit.
Absstract of: CN119095792A
The present invention relates to a process for producing methanol by synthesis gas produced by combining electrolysis of a water feedstock for producing a stream comprising hydrogen with electrolysis of a carbon dioxide rich stream for producing a stream comprising CO and CO2 wherein the CO/CO2 molar ratio of the synthesis gas is greater than 2. The invention also relates to a method for producing syngas by subjecting a combined feed gas stream of CO2 and steam to one-way co-electrolysis in an SOEC unit.
Absstract of: WO2023217683A2
In order to provide a device (1) for providing hydrogen (H2) by means of an electrolysis unit (2) which allows the longest possible service life of the electrolysis unit (2) even in case of fluctuating energy supplies to the electrolysis unit (2), a reciprocating piston compressor (3) is provided to compress the hydrogen (H2) generated by the electrolysis unit (2), the reciprocating piston compressor (3) having at least one automatic intake valve (5). A retraction gripper (6) is provided in order to hold the intake valve (5) selectively in an open position, an electrically actuatable actuator (7) is provided to activate the retraction gripper (6), and a control unit (4) is provided to control the actuator (7), the control unit (4) being designed to actuate the actuator (7) in such a way that an outlet pressure (p1) of the hydrogen (H2) at the outlet of the electrolysis unit (2), or a differential pressure (Δp) between an anode and a cathode of the electrolysis unit (2), is adjustable to a predefined target value (p1_soll, Δp_soll).
Absstract of: KR20250037906A
본 발명은 구리-니켈-철 이중층수산화물 나노프리즘 및 이의 제조방법 및 이의 수전해 촉매 용도에 관한 것이다.
Absstract of: KR20250038040A
본 발명은 수전해 설비에서 생산된 수소를 저장하는데 이용되며 수전해 생산 수소의 고순도 저장을 위한 수소 저장탱크 및 이를 구비한 수전해 시스템을 개시한다. 본 발명의 수전해 생산 수소의 고순도 저장을 위한 수소 저장탱크는 수분 분리판에 의해 제1 챔버와 제2 챔버로 구획되며, 수분 분리판은 유입관이 연결되어 제1 챔버로 수전해 설비에서 생산된 수소를 유입시키는 유입공부, 유입공부를 통해 제1 챔버로 유입된 수소가 제2 챔버로 배출되는 배출공부를 포함하며, 제1 챔버로 유입된 수소가 제2 챔버로 이동하는 과정에서 수분 분리판에 수소를 접촉시켜 수소에서 수분을 분리시킨다.
Absstract of: WO2025058397A1
A multistage electrochemical hydrogen compressor according to an embodiment of the present invention may include: a stack for compressing hydrogen; and a current supply unit for applying a current to the stack, wherein the stack includes: a low-pressure end plate having an inlet through which low-pressure hydrogen is introduced; a high-pressure end plate having an outlet for discharging high-pressure hydrogen acquired by compressing the low-pressure hydrogen; a plurality of cells disposed between the low-pressure end plate and the high-pressure end plate; and a membrane-electrode assembly each disposed between the plurality of cells, and the current supply unit is connected to each of the plurality of cells to selectively control current application to the plurality of cells.
Absstract of: KR20250038621A
본 개시는 수전해 반응용 전극 촉매의 제조 방법에 관한 것으로, 니켈계 전구체로부터 전극 모재 상에 Ni(OH)2 층을 형성하는 수열합성 단계; 상기 Ni(OH)2를 NiO로 산화시키는 열처리 단계; 및 상기 NiO 층 상에 전이금속 이중층 수산화물을 형성하는 전기증착 단계;를 포함한다. 상기 제조방법에 따라 제조된 전극 촉매는 산소발생반응 및 수소발생반응의 수전해 반응에서 우수한 활성 및 안정성을 가질 수 있다.
Absstract of: EP4524098A1
Die vorliegende Erfindung betrifft ein Verfahren zur Herstellung von Wasserstoff aus einem Ammoniak-haltigem Gas mit einem Ruthenium-haltigen Trägerkatalysator, sowie die Verwendung eines Ruthenium-haltigen Trägerkatalysators in einem Verfahren zur Herstellung von Wasserstoff. Das Verfahren umfasst die Herstellung eines Ruthenium-haltigen Trägerkatalysators unter Verwendung einer Oxalat-enthaltenden Ruthenium-Vorläuferverbindung, sowie das Kontaktieren des Trägerkatalysators mit dem Ammoniakhaltigen Gas.
Absstract of: CN119640331A
本发明公开了一种加速电解堆活化速度的方法，包括：S1:向电解堆氢氧两侧通入去离子水，去离子水温度为T0，保持电解堆电极充分湿润；S2:采用恒电压策略进行电解堆活化操作，控制电解堆平均单节电池为V1，此时电解堆出口水温为T1，调节电解堆出口氢压力、氧压力分别为P1和P2；S3:在设定的平均单节电池V1下，随运行时间的增长，电解堆出口水温度逐渐升高，电流密度继续增加，维持出口氢压力、氧压力为P1和P2；S4:待电解堆出口水温上升至指定运行温度Tend，稳定一段时间，直至电解堆平均单池电压不发生明显变化，完成活化操作。
Absstract of: WO2024051876A2
The invention relates to: a bipolar plate (1); and an electrochemical cell (12) comprising a plurality of such bipolar plates (1, 1'). The bipolar plate (1) comprises a first half-plate (1a) and a second half-plate (1b) which are fixedly connected to one another, wherein: the bipolar plate (1) has a plurality of fluid passage openings (2) comprising fluid inlet openings (2a, 2c, 2e) and fluid outlet openings (2b, 2d, 2f); and a first distributor field (3) for distributing a fluid, an active field (4), and a second distributor field (5) for distributing the fluid are located on both sides of the bipolar plate (1). There is also at least one seal (6, 6') on each side of the bipolar plate (1), wherein, in at least one transition region (7) between a fluid passage opening (2) and an adjacent distributor field (3, 5), the seals (6, 6') are positioned congruently one above the other as seen perpendicularly to a plane spanned by the bipolar plate (1) and are reinforced by embossed structures (9a, 9b).
Absstract of: CN119633628A
本发明涉及一种用于高原地区的可调节氢氧混合气制备装置，涉及氢氧制备设备技术领域；其包括空压机，空压机的排气端连接有干燥器，干燥器的排口分别连接有真空变压吸附制氧组件与电解水制氢组件，真空变压吸附制氧组件的排气端包括第一氧气排口与氮气排口，电解水制氢组件的排气端包括第二氧气排口与氢气排口，第一氧气排口与第二氧气排口连接有氧气储罐，氢气排口连接有氢气储罐，氧气储罐与氢气储罐的排气端连接弥散式氢氧气终端；本发明通过氢气、氧气的分别制备，能够实现氢氧混合气氢氧比例的实时调节，同时在弥散出气口前氧气和氢气分别独立供应，避免了高浓度气体混合后燃爆的风险。
Absstract of: CN119633849A
本发明属于无机功能复合材料制备与应用领域，涉及一种多壳层复合催化材料及其制备方法与应用。其为Zn2MnO4与CdS复合的材料，Zn2MnO4为纳米多壳层空心球结构，CdS为纳米颗粒，若干CdS纳米颗粒包覆在Zn2MnO4表面。该催化材料不仅具有更高的比表面积，提供更多表面活性位点，还能够增强光的折射与反射，进而提高光的利用效率。同时，Zn2MnO4/CdS复合材料之间构建的具有内界电场的异质结，可以促进光生载流子的高效分离，从而产生具有高氧化还原能力的空间分离空穴和电子，实现高效的光催化产氢性能。相比于单一Zn2MnO4相比，本发明提供的多壳层复合催化材料具有更优异的光催化分解水产氢性能。
Absstract of: CN119633689A
本发明涉及一种氢化锂水解制氢装置及其电池系统，属于制氢装置领域，包括反应腔体、氢化锂储料盘和伸缩直线电机；所述反应腔体，用于水和氢化锂反应，上端设有用于氢化锂压块投料的通孔；所述氢化锂储料盘，设置在反应腔体上方，依次由上储料盘、氢化锂密封管和下储料盘组成；所述储料盘安装在步进电机输出轴上，通过步进电机驱动旋转；所述伸缩直线电机，设置于氢化锂储料盘上方用于带动推头戳破薄膜，推动氢化锂块到反应腔体，所述反应腔体上方设有外壳，氢化锂储料盘和伸缩直线电机设置在外壳内。用氢化锂与水反应产生氢气，相比传统的高压储氢罐，大大提高了设备的安全性，避免了高压氢气泄漏和爆炸的风险，降低潜在危险。
Absstract of: AU2023315921A1
The invention relates to a method for operating an electrolysis system (2) comprising at least one electrolyser (4) for generating hydrogen (6) and oxygen (8) as products, and at least two downstream compressors (10) for compressing at least one product (6, 8) produced in the electrolyser (4). In order to ensure part-load operation of the electrolyser (2) that is optimised in terms of efficiency and is also cost-effective, during part load operation of the electrolyser (4), a first group (A) of compressors (10
Absstract of: CN119640302A
本申请提供一种免喷涂的雷尼镍电极制备方法、雷尼镍电极及水解制氢的设备，涉及雷尼镍电极领域。该制备方法包括：将包括铝粉、分散剂、粘结剂、水在内的原料混合，得到雷尼镍电极浆料；将所述雷尼镍电极浆料涂覆在镍网上并干燥，得到经过预处理的电极；将所述经过预处理的电极网在惰性气体保护或真空条件下进行煅烧，得到未活化的镍铝合金网；将所述未活化的镍铝合金网进行活化后得到雷尼镍电极。本申请提供的制备方法，采用刷涂浆料的方式制作雷尼镍电极的前驱体，极大的节约了粉末的用量，减少了浪费。采用粉末冶金的方式在镍网上原位生长了镍铝合金相，具有非常优异的结合力。
Absstract of: CN119640325A
本发明属于电催化技术领域，具体涉及一种含铱微晶纳米材料及其制备方法和应用。该含铱微晶纳米材料包括铱单质微晶和包覆在所述铱单质微晶外层的铱氧化物微晶；所述铱氧化物微晶为IrOx，0＜x＜2；具有团簇状结构。本发明提供的含铱微晶纳米材料不仅具有优异的电催化活性，还具有良好的长期稳定性，能够在PEMWE的工况条件下高效长期稳定运行。
Absstract of: CN119633861A
本发明涉及新材料及催化制氢领域，具体涉及一种异质催化剂及其制备方法和应用，具体制备方法是向三乙胺和去离子水的混合溶剂中加入金属源和光敏剂，并添加一水合次亚磷酸钠或次亚磷酸钠作为磷源，混合均匀后，在可见光的光照下搅拌即得分散于溶液的异质结构催化剂，所述分散于溶液的异质结构催化剂经后处理得到异质结构催化剂的纳米颗粒；该催化剂的制备由可见光驱动，不需要高温煅烧或加热处理，在制备过程中可原位生成氢气，制备的催化剂分解次亚磷酸钠产氢反应不需要在光催化或电催化条件下进行，在常温下静置即可产氢。
Absstract of: CN119642104A
本发明涉及再生气体生成装置技术领域，尤其是一种气体纯化设备使用的再生气体生成装置，包括PEM水电解模块和混合气体箱，所述混合气体箱的输入端连接有N2供给阀门和H2供给阀门，所述H2气体分离器的输出端与气体压缩泵相连接。通过H2供给阀门、PEM电解模块之间的配合，当压力降到设定的基准压力以下时，PEM电解模块会重新供电，并将氢气与氮气混合后供给P‑Gas储存容器，从而为气体净化装置的再生过程提供所需的再生气体，该装置通过水电解过程产生氢气并与外部供应的氮气混合，能够高效且连续地支持气体净化装置的再生需求，避免了传统的高压氢气储罐及外部气体供应的复杂性。
Absstract of: CN119640304A
本发明公开了一种合金为活性金属的电催化析氢催化剂及其制备方法和应用，通过水热法制备SiO2，再通过掺杂Cu形成CuSiOx，最后载上非贵金属并且用贵金属置换还原或是加入还原剂形成合金负载在CuSiOx上。本发明中CuSiOx具有较大比表面积能够有效的负载上非贵金属与贵金属形成的合金，并大大提高了其分散性，且多孔的结构增大了催化剂的反应面积，提高催化剂的析氢活性。本发明的催化剂在较低贵金属的负载量时既具有优异的析氢活性，在电流密度为10mA/cm2的过电势为24mV，在经过1000次伏安循环测试后，过电势仍能保持在25mV，优于20wt%Pt/C催化剂。
Absstract of: CN119640326A
本发明涉及一种基于异质皮层修饰的碱性水电解膈膜及其制备方法，属于碱性水电解技术领域，包括Zirfon型基膜以及其外表面的聚酰胺PA层、苯并咪唑连接聚合物BILP层/GO，所述PA层、BILP/GO层均由界面聚合反应生成。本发明采用PA皮层、BILP/GO的异质皮层结构设计，不仅制备简单，生产成本低，而且致密的皮层具有更好的隔气性能、PA层的高强度高弹性提升了机械强度，BILP/GO层的分子重构机理提高隔膜的高温耐碱性、GO上的大量含氧官能团带来更高的亲水性、更低的面电阻。
Absstract of: CN119640310A
本发明涉及析氧反应电催化剂领域，公开了析氧反应电催化剂及其制备方法和应用。一种制备析氧反应电催化剂的方法，所述方法包括：(1)将金属盐溶液或金属熔盐在金属基底表面进行电沉积；(2)将步骤(1)的电沉积产物进行热处理；(3)将步骤(2)的热处理产物与含硫化合物混合进行硫化；其中，所述热处理的条件包括：以1‑5℃/min的速度升温至300℃及以上，并在该温度下维持1‑5h。本发明合成了一种自支撑的析氧反应电催化剂，通过硫化过程成功地引入了丰富的氧空位和异质结构，共同增强了析氧反应的电荷转移，在同一电流密度下表现出更低的过电位，并且可以稳定运行，且时间较长。
Absstract of: CN119640312A
本发明公开了一种具有三硫化二铬/二硫化三镍界面的纳米锥结构析氢电极及其制备方法，析氢电极包括导电基底以及在所述导电基底上原位生长的具有三硫化二铬/二硫化三镍界面的纳米锥结构催化涂层。本发明以镍网为导电基底，在镍网上原位生长具有三硫化二铬/二硫化三镍界面的纳米锥结构涂层作为析氢催化剂，其中，三硫化二铬/二硫化三镍界面层分解水活性较高，优化了二硫化三镍催化涂层氢原子脱附困难的问题，同时引入了更多的活性位点，大大降低了分解水所需的过电位，有效提升析氢效率；采用一步电化学沉积法，制备方法简单高效，催化剂稳定性强，制备的析氢电极在碱性电解水制氢领域具有广阔的应用前景。
Absstract of: CN119640287A
本发明公开了一种基于窄间隙电解槽生产纳米C‑S‑H的装置及制备方法，本装置包括电解槽组件，其包括酸性反应液仓、碱性反应液仓、分隔膜和双极板，分隔膜将酸性反应液仓和碱性反应液仓分隔，双极板有两个且对反应液仓和分隔膜进行夹持固定；电解槽组件的数量有至少两个且相互串联；电解组件，其向电解槽组件提供电能；酸液池，其与各个酸性反应液仓连接；碱液池，其与各个碱性反应液仓连接；沉淀反应池，酸液池和碱液池中的电解液均流通至沉淀反应池。本装置通过多个串联的电解槽组件，增大酸性电解液与碱性电解液的接触面积，酸性反应液仓和碱性反应液仓的间距更近以提升电解效率；另外对钙质矿物和硅质矿物的纯度要求不高，摆脱对高纯度原料的依赖。
Absstract of: CN119652152A
本发明涉及风能发电技术领域，具体涉及一种纳米摩擦发电机及制氢系统，包括摩擦纳米发电机及电解槽，其特征在于：所述发电机与电机槽之间接入整流桥，所述电解槽由若干微电解槽串联而成，每个微电解槽由一个阳极室和一个阴极室内构成。本发明不仅简化了制氢系统的结构，还大幅提高了其能量转换效率和实用性，为氢能的高效、可持续生产提供了有力的技术支持。
Nº publicación: CN119651646A 18/03/2025
Applicant:
大连理工大学国网辽宁省电力有限公司电力科学研究院
Absstract of: CN119651646A
本发明提供一种考虑电堆热约束的电解槽VSG控制方法及装置，包括：构建质子交换膜电解槽并网制氢系统的热电耦合模型，得到质子交换膜电解槽的热电耦合特性；考虑质子交换膜电解槽的热电耦合特性建立相应的VSG控制策略框架，设置与温度相关的基线阻尼，所述基线阻尼为VSG阻尼；考虑电极温度和比例阀流量变动对VSG阻尼进行自适应优化，进而得到考虑电堆热约束的电解槽VSG控制方法。本发明能够减少因局部过热而造成的损失，延长质子交换膜电解槽的工作寿命，实现并网稳定运行。
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