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860
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Updated on
15/11/2026 [07:11:00]
Results 125 to 150 of 860
Absstract of: EP4831348A1
0001 Provided is a membrane/catalyst layer structure that can maintain a good power generation performance or good electrolysis performance on a long-term basis. The membrane/catalyst layer structure has a first catalyst layer disposed opposite a second catalyst layer, and a diaphragm containing at least a polymer electrolyte membrane is sandwiched therebetween. The first catalyst layer and the second catalyst layer contain, as a first metal, the element platinum and/or the element iridium. The first catalyst layer and/or the second catalyst layer further contains, as a second metal, at least one element selected from the group consisting of gold, silver, copper, nickel, palladium, cobalt, rhodium, iron, ruthenium, and osmium. The diaphragm contains a compound N having a nitrogen-containing heterocycle.
Absstract of: NL2036587B1
The present application discloses a method for producing an iridium oxide film on a particulate substrate having an electrical conductivity of >0.01 S/cm (as detected by powder measurements) by chemical vapour deposition at a pressure in the range of from to 1010 KPa, comprising: (i) providing the particulate substrate in a reaction chamber; (ii) contacting the particulate substrate with a vaporized iridium oxide precursor gas, thereby forming a homogenously distributed film of iridium precursor material on the substrate; (iii) contacting the material comprising the homogenously distributed layer with a vaporized oxidant to allow the oxidant to react with the homogenously distributed iridium precursor film on the substrate; and (iv) optionally, repeating until steps (ii) to (v); to obtain a particulate material comprising a surface film of a desired thickness comprising homogeneously distributed discrete iridium oxide clusters with an average diameter in the range of from 0.5 to 5 nm.
Absstract of: EP4831357A1
The present invention provides a hydrogen vent system for discharging hydrogen generated in a high-temperature water electrolysis stack to the outside, comprising: a first pipe unit connected to the high-temperature water electrolysis stack and having a curved portion; a drain line which is connected to the first pipe unit and through which condensed water is drained; and a discharge unit which is connected to the first pipe unit and which releases hydrogen upward into the air, wherein a surge tank that maintains pressure and moves the condensed water to the drain line is disposed in the first pipe unit.
Absstract of: EP4574750A1
The invention relates to a process (1) for the production of hydrogen from ammonia comprising the following steps:- providing an ammonia feed stream to a reactor (2),- feeding an oxidant stream comprising oxygen to the reactor (3),- in a first zone of the reactor, non-catalytically partially oxidizing the ammonia feed stream with the oxidant stream (4), thus generating heat and producing a partially oxidized stream containing ammonia, nitrogen, water, amounts of nitrogen oxides, and potentially a residual portion of oxygen.- in a second zone of the reactor, homogenizing the temperature and concentration of the partially oxidized stream (5), thus producing an homogenized stream containing ammonia, nitrogen, and water,- in a third zone of the reactor, catalytically cracking ammonia contained in the homogenized stream in an endothermic reaction using the generated heat (6), thus creating a cracked gas product containing nitrogen and hydrogen- withdrawing the cracked gas product from the reactor (7).
Absstract of: EP4574751A1
0001 A process for producing a cracked gas product comprising hydrogen from an endothermic cracking reaction of an ammonia feedstock stream, said process comprising the following steps: - Recovering heat from said cracked gas product flowing in a cracked gas conduit (23) in a heat recovery step, - Redirecting the recovered heat to at least one secondary reactor in a heat redirection step, the secondary reactor comprising a gas reaction section in which a secondary catalytic endothermic conversion of the ammonia feedstock stream into the partially converted ammonia stream is performed, - Transferring the redirected heat to the secondary catalytic endothermic conversion through a thermal conductive layer at least partly delimiting the gas reaction section, in a heat transfer step the process comprising : - Performing a heat exchanges step by performing heat exchanges between the cracked gas product and the main catalytic endothermic conversion.
Absstract of: EP4831112A1
The present invention relates to a device for producing hydrogen from ammonia for a ship. According to the present invention, high-pressure hydrogen can be produced by using liquefied ammonia for a ship, and hydrogen can be economically produced by utilizing unconverted ammonia discharged from a decomposition reactor and off-gas discharged from a pressure swing adsorption device as a heat source for ammonia decomposition through a heat exchange network of the ship.
Absstract of: EP4831349A1
0001 The present invention provides a water electrolysis stack assembly and a hot box apparatus. In an embodiment, provided is a water electrolysis stack assembly including: a case including an upper surface part, a side surface part, and a gas outflow pipe formed in the side surface part; and a stack accommodated in an inner space of the case, wherein a surface pressure is applied to the stack by the upper surface part of the case.
Absstract of: EP4831356A1
0001 A control method of a high-temperature water electrolysis system, according to a first embodiment of the present invention, comprises the steps of: determining an operating temperature of a solid oxide water electrolysis stack in a high-temperature water electrolysis system including the solid oxide water electrolysis stack; selecting an operation mode of the solid oxide water electrolysis stack by comparing the operating temperature with a supply temperature of gas supplied to the solid oxide water electrolysis stack; determining a target voltage applied to the solid oxide water electrolysis stack according to the operation mode of the solid oxide water electrolysis stack; and applying the target voltage applied to the solid oxide water electrolysis stack in a step-up manner according to the operation mode of the solid oxide water electrolysis stack.
Absstract of: EP4831350A1
A laminate is provided that can electrolyze an oxygen compound gas, such as CO2, with high conversion efficiency and can help prevent deterioration of electrolysis performance. In the laminate having a structure in which an electrolyte layer is sandwiched between an anode catalyst layer and a cathode catalyst layer, the cathode catalyst layer contains a perovskite oxide and CuFe2O4, and the content of CuFe2O4 in the cathode catalyst layer is 10 mass% or more.
Absstract of: EP4831355A1
The present application relates to the technical field of water electrolysis for hydrogen production and discloses a hydrogen removal layer, a preparation method therefor, a hydrogen removal proton exchange membrane, a membrane electrode, and a water electrolysis hydrogen production apparatus. The hydrogen removal layer comprises the following components in parts by weight: 10-20 parts of a metal oxide, 10-20 parts of a catalyst, and 2-10 parts of an ionomer. The catalyst comprises at least one of a platinum black catalyst, an iridium black catalyst, and a palladium black catalyst. The hydrogen removal layer described in the present application can effectively reduce the hydrogen content in oxygen on the anode side of a proton exchange membrane.
Absstract of: CN223837582U
The utility model discloses an electrolysis device. The electrolysis device integrates a reactor, a hydrogen gas-liquid separator, an oxygen gas-liquid separator and a cleaning assembly, and the cleaning assembly is connected with the reactor, the hydrogen gas-liquid separator and/or the oxygen gas-liquid separator and used for storing the cleaning agent for pickling. And the cleaning agent is provided for the electrolysis device during pickling, so that the pickling operation can be efficiently carried out, and the production efficiency is improved.
Absstract of: WO2025129214A1
The invention relates to an electrolyser for alkaline hydrogen electrolysis, comprising: a direct voltage source, in particular a rectifier (1) having an electrical positive pole (2) and an electrical negative pole (3); media inlet lines (4) for an electrolysis medium; and media outlet lines (5) for product media; wherein a plurality of electrolysis blocks (6) which are connected in series via electrical connecting lines (9) are connected between the positive pole (2) and the negative pole (3), wherein the electrolysis blocks (6) each have a number of electrolysis cells (7) which are electrically connected in series and are mechanically clamped so that they are flush with one another, wherein the media inlet lines (4) and the media outlet lines (5) each extend serially through the electrolysis blocks (6) and are distributed within each individual electrolysis block (6) to individual cell inlet lines (4', 4") and individual cell outlet lines (5', 5") of the electrolysis cells (7).
Absstract of: JP2026172741A
【課題】配管から凝縮水を好適に除去することが可能な電解システムおよび凝縮水排出方法を提供する。【解決手段】一の実施形態によれば、電解システムは、電解スタックを備える。前記システムはさらに、Ｕ字管を含む第１配管であって、前記電解スタックから排出されたガスを前記Ｕ字管を介して送気する第１配管を備える。前記システムはさらに、前記Ｕ字管の下流で前記第１配管に設けられた第１弁を備える。前記システムはさらに、前記第１弁の下流で前記第１配管に接続され、前記第１配管により送気される前記ガス中に生じた凝縮水を溜めるタンクを備える。前記システムはさらに、前記Ｕ字管と前記タンクとの間に設けられ、前記凝縮水を前記Ｕ字管から前記タンクに排出する第２配管を備える。【選択図】図３
Absstract of: WO2025064735A1
Described herein are composites, methods of making composites, and methods of using composites. The composites include incompatible polymers and/or other incompatible materials. The composites are useful in a variety of industrial applications. The composites comprise a first component comprising a first material comprising a fluid-permeable portion and a second component comprising a second material incompatible with the first material; the first component and the second component are coupled at an interface comprising the second material contained in the fluid-permeable portion of the first material and the interface forms a third component that separates at least a portion of the first component from the second component.
Absstract of: WO2025205879A1
The purpose of the present invention is to realize a diaphragm for alkaline water electrolysis having good airtightness even when a sheet-like gasket is used, and enabling execution of water electrolysis at a low cell voltage. A use method according to the present invention is characterized by using, as a diaphragm for alkaline water electrolysis, a porous film which contains a polyethylene, and in which the content of the polyethylene in resin components is 50 mass% or more, and the tortuosity is 3.00 or less.
Absstract of: WO2025181491A1
An electrolyser system comprising at least one electrolyser cell comprising a first outlet for exhaust of off-gas from the first fluid volume at a relatively low pressure, a steam supply configured to supply steam at a relatively high pressure, means for mixing two fluids, a first heat exchanger; and a fuel supply. The means for mixing is configured to exhaust, at an intermediate pressure, an intermediate fluid comprising a mixture of steam from the supply and off-gas from the first fluid volume, and the system is configured to route said intermediate fluid to a first path of the first heat exchanger. The first heat exchanger is configured to transfer heat from the first path for the intermediate fluid to a second path for fuel from the fuel supply to separate water from the first product of the electrolyser reaction by condensing liquid water out of the intermediate fluid. The system is configured to route the first product of the electrolyser reaction out of the system at the intermediate pressure, and to route fuel from the second path of the first heat exchanger to a first inlet of the at least one electrolyser cell.
Absstract of: JP2026172111A
【課題】外部燃料等を使用することなく、待機運転時に電解モジュールを保温する。【解決手段】電解システムは、固体酸化物形の電解セルと燃焼部とこれらを収容するケースとを有する電解モジュールと、燃料供給系と、電源装置と、生成水素を回収する回収ラインと、回収ラインから分岐し、生成水素の少なくとも一部を電解セルと燃焼部とに還流させる還流ラインと、電解運転と待機運転とを選択的に実行可能な制御部とを備える。制御部は、電解運転において、燃料ガスを電解セルに供給し、水蒸気の電解に必要な電力を電解セルに供給し、生成水素の一部を回収すると共に生成水素の他の一部を電解セルと燃焼部とに還流させ、待機運転において、電解運転時よりも少量の水蒸気を含む燃料ガスを電解セルに供給し、水蒸気の電解に必要な電力を電解セルに供給し、生成水素の全てを電解セルと燃焼部とに還流させる。【選択図】図２
Absstract of: KR20260153840A
본 발명은, 전해액을 수소와 산소로 분리하는 수전해장치; 상기 수전해장치에서 분리된 수소와 산소가 각각 분리 수용되는 수소수용부 및 산소수용부; 및 상기 수소수용부로부터 수소가 인입되는 제1 가스실, 상기 산소공급부로부터 산소가 인입되는 제2가스실, 및 상기 제2 가스실로 인입된 산소 가스의 압력으로 상기 제1 가스실에 인입된 수소 가스를 압착하도록 상기 제1 가스실과 상기 제2 가스실 사이에 이동 가능하게 배치되는 승압부재를 포함하는 가스승압부; 를 포함하고, 상기 승압부재는, 로드, 상기 제1 가스실 내에 위치하여 수소 가스를 가압하도록 상기 로드의 일단에 설치되는 제1 압축판, 및 상기 제2 가스실 내에 위치하여 산소 가스를 가압하도록 상기 로드의 타단에 설치되고 상기 제1 압축판의 직경보다 큰 직경을 가지도록 형성되는 제2 압축판을 포함하는 고압 수소 제조 장치를 제공한다.
Absstract of: WO2025205878A1
The purpose of the present invention is to provide a diaphragm for alkaline water electrolysis that realizes a diaphragm which, even when used as a diaphragm for alkaline water electrolysis for a long time, can maintain high ion permeability and high gas barrier property and enables stable water electrolysis. This diaphragm for alkaline water electrolysis is characterized by comprising a porous film containing a polyolefin, wherein the peel strength in the film thickness direction of the porous film is 2.0 N or more.
Absstract of: CN122959776A
0001 本发明公开了具有流道结构的电极、电解槽及其制备方法，其中，凹凸状结构的设计显著提升了电极的有效电化学反应面积，并直接转化为单小室产氢速率的提升；单小室产氢速率的提升使达到相同总产氢规模所需的电解小室数量大幅减少，进而减少了电解小室及其配套的电极、隔膜、密封片和双极板用量，电极的凹凸状结构可与隔膜形成电解液和气体的通道，使双极板可简化为平板状而省去了模具冲压成型工序，并省去了弹性支撑网，最终使电解槽的体积和重量大幅减少。同时，通过阴/阳极与隔膜的随形紧密贴合，最大限度缩短了离子在阴阳极之间的传输路径，降低了欧姆电阻，从而降低了电解工作电压和单位制氢能耗。除此之外，本发明提供的电极的制备方法，由于其先催化后整形的工艺顺序，使得该工艺可满足不同规模的生产。
Absstract of: CN122959798A
0001 本申请属于电解水制氢技术领域，具体涉及一种碱性电解水制氢用隔膜及其制备方法。所述碱性电解水制氢用隔膜包括支撑层和涂敷于支撑层上的料液层；所述料液层包括下述重量份的原料：高分子有机物15‑35份、氧化锆30‑60份、硅氧烷系添加剂0.01‑5份和溶剂20‑70份。本申请的有益效果包括：本申请所述碱性电解水制氢用隔膜包含原料硅氧烷系添加剂，硅氧烷系添加剂可以和氧化锆表面的羟基发生反应，降低氧化锆的表面能，使料液体系混合的更均匀，提高料液和支撑层的结合力，同时还可提高所述隔膜对碱液的亲和性，从而达到降低面电阻的目的。
Absstract of: CN122959779A
0001 大电流密度电解水制氢用阳极催化剂的制备及电解装置。催化剂制备方法，包括：将硝酸镍溶解于无水乙醇中形成第一溶液；将硫酸亚铁水溶液滴加入第一溶液而形成第二溶液，其中硝酸镍浓度为0.1~0.2 mol/L，硫酸亚铁的浓度为0.02~0.04 mol/L，乙醇与水的体积比为（2~4）：1；将泡沫镍负载基底置入第二溶液中，静置后取出得到负载中间体；将硝酸铁溶解于无水乙醇与水的混合溶液中形成第三溶液，其中硝酸铁浓度为2~4 m mol/L，乙醇与水的体积比为（2~4）：1；将负载中间体作为工作电极，以第三溶液作为电解液，恒电压电沉积后即在负载中间体上形成负载型阳极催化剂。本发明由此获得了一种自支撑型电催化剂，其可高效稳定地用于工业级大电流密度碱性电解水制氢。
Absstract of: CN122959782A
本发明属于电催化技术领域，公开了一种反钙钛矿型单晶Co3SnC电催化剂的制备方法及其应用。所述制备方法包括：将钴源、锡源和碳源在溶剂中混合分散，经水热反应、洗涤干燥后，在惰性气氛下进行高温碳化反应，得到Co3SnC电催化剂。所得Co3SnC具有单晶结构，晶格连续无晶界。该电催化剂用于碱性条件下的阴极析氢反应。本发明方法原料易得、工艺简便、条件可控。
Absstract of: CN122959785A
本申请属于催化剂技术领域，具体涉及一种电解水制氢用催化剂的制备方法及应用。本申请所述电解水制氢用催化剂的制备方法包括以下步骤：(1)将导电基底放置于含有钴盐和镍盐的电解液中，利用电沉积法得到含有钴元素和镍元素的催化剂前驱体；(2)将硒粉和催化剂前驱体混合，在氩氢混合气氛下煅烧得到所述电解水制氢用催化剂。本申请的有益效果包括：本申请所述制备方法旨在从电子自旋结构层面突破传统催化剂的局限性，解决电解水制氢高能耗、高成本、低稳定性的核心瓶颈，为绿氢产业的规模化应用提供关键技术支撑。
Nº publicación: CN122962412A 23/10/2026
Applicant:
陕西正太能源科技有限公司
Absstract of: CN122962412A
本发明提供一种碱性水电解制氢用电极性能测试装置，涉及电解水测试技术领域，包括：箱体，箱体内固定安装有隔板，隔板的一侧设置有电机性能测试装置本体，隔板的另一侧固定安装有承载板，承载板的顶面固定安装有两个蓄水管筒，承载板的下方设置有流量装置，电机性能测试装置本体顶面两个进水箱内的碱性电解液，经固定板上的磁力泵通过抽水管抽取，完成电解液的输送，通过控制面板启动蓄水管筒上第二安装座顶面的伺服电机，其输出轴带动传动杆转动，传动杆外侧的环形导轨盘通过传动皮带带动安装环旋转，安装环内侧的齿环与漏板外侧壁的齿条啮合，驱动齿条沿蓄水管筒侧壁弧形槽滑动，从而调节漏板的旋转角度，控制电解液的通过速度。
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