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CLEANING THE CRACKED GAS OF AN AMMONIA CRACKER

Resumen de: EP4778883A1

Apparatus for producing hydrogen from a cracking reaction of ammonia, said apparatus comprising:- a cracker unit (1) configured for producing a cracked gas from ammonia,- an absorber (2) configured for removing unconverted ammonia from said cracked gas using an absorbent fluid, thereby producing an ammonia depleted gas containing hydrogen, nitrogen and vaporized absorbent fluid,- an adsorption unit (3) comprising at least one adsorber vessel (4), said adsorber vessel or each adsorber vessel comprising a feed end arranged for receiving said ammonia depleted gas, a product end downstream said feed end for discharging a purified hydrogen product from said adsorber vessel, and an adsorbent bed arranged between said feed end and said product end, the adsorbent bed comprising an upstream layer (5) of an adsorbent selectively adsorbent for the vaporized absorbent fluid contained in said ammonia depleted gas and a downstream layer (6) of an adsorbent selectively adsorbent for nitrogen.

Anode layers for polymer electrolyte membrane electrolysers

Resumen de: GB2703251A

A process for the manufacture of an anode layer for a polymer electrolyte membrane (PEM) electrolyser (PEMWE) is described together with a CCM (catalyst coated membrane), an electrolyser and an ink for an anode layer. The process comprising the steps of: (i) forming a catalyst ink comprising an iridium- and / or ruthenium-containing OER catalyst, an ionomer, a solvent, and a cellulose compound; (ii) applying the catalyst ink to a substrate to form the anode layer; and (iii) drying the anode layer. The cellulose compound may comprise hydroxyalkylcelluose. The catalyst loading may be less than or equal to 1.2mg/cm2. None

PRODUCTION OF A HYDROGEN-CONTAINING SYNTHESIS GAS BY CONVERSION OF A HYDROCARBON FEEDSTOCK

Resumen de: EP4524100A1

0001 Process comprising the production of a hydrogen-containing synthesis gas by the conversion of a hydrocarbon feedstock, said process comprising : - providing a fuel stream of ammonia comprising an ammonia content, - decomposing at least a portion of said ammonia content into hydrogen and nitrogen, thereby obtaining an enhanced fuel, said portion of the ammonia content undergoing said decomposition being greater than 50% of the ammonia content of said fuel stream of ammonia, - combustion of said enhanced fuel in a fired equipment to provide a heat input to the process.

METHOD FOR TRANSITIONING LOAD IN AN ELECTROLYSER

Resumen de: GB2633564A

A method of changing the electrolytic conversion rate within at least one electrolyser cell 10 stack 12 of an electrolyser system (figure 1, 20) is described. The stack 12 has a fluid inlet 114, fluid outlet 116 and a power control system 108. The power control system 108 is used to change the voltage, via a voltage interface 100 across the electrolyser cell stack 12, allowing the fluid outlet temperature 104 to change in response to the voltage change, setting an inlet temperature 106 to substantially match the new outlet temperature, and then allowing the voltage to revert to a substantially thermoneutral value. The electrolyser cell stack 12 is thus operating at a changed stack temperature and changed electrolytic conversion rate. A processor 110 and memory circuit 112 can also be provided for storing information such as preset current, voltage or power delivery changes. The current method may lead to a galvanostatic thermoneutral (GTN) strategy for electrolyzer stack control.

ION EXCHANGE MEMBRANE AND ELECTROCHEMICAL SYSTEM COMPRISING ION EXCHANGE MEMBRANE

Resumen de: EP4779059A1

The present disclosure relates to an ion exchange membrane and an electrochemical system comprising the ion exchange membrane. The ion exchange membrane according to the present disclosure can maintain high ion conductivity and durability, and has high gas barrier properties, thereby realizing an electrochemical system with excellent efficiency.

ANION EXCHANGE MEMBRANE AND MANUFACTURING METHOD THEREOF

Resumen de: EP4778962A1

According to one embodiment of the present invention, an anion exchange membrane comprising a carbazole-based polymer but having mitigated cracking characteristics of the polymer, and a method for manufacturing the same can be provided.

HOLLOW FIBER MEMBRANE FOR FUEL CELL MEMBRANE HUMIDIFIER, FUEL CELL MEMBRANE HUMIDIFIER COMPRISING SAME, AND METHOD FOR MANUFACTURING HOLLOW FIBER MEMBRANE

Resumen de: EP4779728A1

The present disclosure relates to a hollow fiber membrane for a fuel cell membrane humidifier, including a porous polymer and a phenol-based antioxidant dispersed within the porous polymer, a method of preparing the same, and a fuel cell membrane humidifier including the hollow fiber membrane, and thus there is an effect of preventing deterioration and decomposition of the hollow fiber membrane.

2 - INTEGRAL ELECTRODE-POROUS DIFFUSER HAVING TWO-STAGE IONOMER COMPOSITION GRADIENT AND METHOD FOR PREPARING SAME

Resumen de: KR20260114118A

0001a 2단의 이오노머 조성 구배를 갖는 일체형 전극-다공성 확산체 및 이를 제조하는 방법으로서, 구체적으로, PTL(porous transport layer) 상에 이오노머 함량이 낮은 전극층이 형성되고, 상기 이오노머 함량이 낮은 전극층 상에 이오노머 함량이 높은 전극층이 형성된 것을 특징으로 하는, 2단의 이오노머 조성 구배를 갖는 일체형 전극-다공성 확산체, 및 이를 제조하는 방법에 관한 것이다. 본 발명에 따르면, 전극층 하단에는 낮은 함량의 이오노머를 갖는 전극층을 스프레이 코팅하고, 그 위에 얇게 높은 함량의 이오노머를 갖는 전극층을 스프레이 코팅함으로써, 우수한 계면 접합력과 수전해 성능을 동시에 갖는 것을 장점을 한다. 이에 따라, 본 발명의 2단의 이오노머 조성 구배를 갖는 일체형 전극-다공성 확산체를 포함하는 수전해 애노드 전극은 더욱 향상된 내구성과 수전해 성능을 가질 수 있다.

Iridium nanodendrites for proton exchange membrane water electrolysis and preparation method thereof

Resumen de: KR20260114165A

본 발명은, 양성자 교환막 수전해의 촉매로 사용되는 이리듐 나노 덴드라이트 및 이의 제조방법에 관한 것으로, 본 발명에 따른 이리듐 나노 덴드라이트를 이용하여 우수한 산소 발생 반응 촉매 활성, 내구성 및 고전류 밀도 조건에서 향상된 물질전달 특성 및 감소된 물질전달 과전압을 갖는 양성자 교환막 수전해용 촉매를 제공할 수 있다.

水电解装置和水电解装置的运转控制方法

Resumen de: WO2025142261A1

In order to provide a water electrolysis device and an operation controlling method for the water electrolysis device which, when the operation is stopped, are capable of reducing energy consumption and suppressing deterioration of an electrolyte membrane due to hydrogen peroxide generated in a cathode-side hydrogen flow passage when the operation is stopped, this operation controlling method for a water electrolysis device having at least one water electrolysis cell which is divided into an anode-side oxygen flow passage 5 and a cathode-side hydrogen flow passage 6 by an electrolyte membrane, electrolyzes pure water supplied to the oxygen flow passage 5, and discharges hydrogen from the hydrogen flow passage 6 comprises: supplying pure water to the oxygen flow passage 5 during the operation of the water electrolysis device; when the operation of the water electrolysis device is stopped, stopping the supply of pure water to the oxygen flow passage 5, and supplying pure water to the hydrogen flow passage 6 for a prescribed period of time and discharging the same to the outside; and then stopping the supply of pure water to the hydrogen flow passage 6.

一种超薄有序一体化膜电极构建方法及应用

Resumen de: CN122428303A

本发明提供了一种超薄有序一体化膜电极构建方法及应用，涉及电解水制氢技术领域，膜电极含有：离子交换膜、超薄有序催化层、气液扩散层和阴极催化层；其中，所述超薄有序催化层构建于离子交换膜的底面，并与所述离子交换膜的底面形成连续致密的一体化界面；所述离子交换膜的顶面设置有阴极催化层，所述阴极催化层的表面设置有气液扩散层；超薄有序催化层的另一面具有有序排列的微结构单元，气液扩散层与微结构单元直接接触。

电解装置

Resumen de: WO2025131626A1

The invention relates to an electrolysis assembly (10) comprising a stack assembly (16). The stack assembly (16) is equipped with precisely one reactant gas manifold structure (66) in order to provide reactant gas to the electrolysis cells (18) and precisely one product gas manifold structure (68) in order to discharge product gas from the electrolysis cells (18). The stack assembly (16) has a reactant gas opening for introducing reactant gas into the reactant gas manifold structure (66) and a product gas opening for discharging product gas out of the product gas manifold structure (68). The reactant gas manifold structure (66) and the product gas manifold structure (68) are formed within the stack assembly (16), in each case by means of manifold openings introduced into the interconnectors, wherein between the membrane electrode assembly and the interconnector of at least some of the electrolysis cells is a reactant gas line structure designed to conduct reactant gas out of the reactant gas manifold structure along the hydrogen side of the membrane electrode assemblies and to the product gas manifold structure, and at least some of the membrane electrode assemblies have an oxygen-permeable structure on the oxygen side, said oxygen-permeable structure being positioned and designed such that oxygen released on the oxygen side of the membrane electrode assembly can be discharged into the interior of the housing (12).

由船舶用氨生产氢气的装置

Resumen de: WO2025135740A1

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.

MULTI-STACK ELECTROLYZER MODULE

Resumen de: US12686931B1

0000 The present invention relates to modular packages of individual electrolyzer stack units arranged to overcome prior art limitations related to power supply costs, as-manufactured stack unit performance variation, operating stack unit performance variation, and operational reliability. The electrolyzer stack module comprises an even number of individual stack units wired in series-parallel and arranged to minimize variation between branches of series-connected stack pairs.

自己熱アンモニア分解プロセス

Resumen de: EP4495054A1

0001 Process for producing hydrogen from an ammonia feed stream, comprising the following steps : - non-catalytic partial oxidation of the ammonia feed stream with an oxidant gas, thereby producing steam from the partial oxidation, remaining amounts of ammonia not being oxidized; - endothermic cracking conversion of part of the remaining amounts of ammonia, thereby producing a cracked gas comprising hydrogen, nitrogen and some unconverted ammonia; - mixing of the cracked gas with the steam produced from the partial oxidation, thereby obtaining an effluent gas; - condensing of the steam produced from the partial oxidation, thereby removing at least part of the unconverted ammonia from the effluent gas by absorption.

一种AEM电解槽性能测试方法

Resumen de: CN122428335A

0001 本发明公开了一种AEM电解槽性能测试方法，涉及AEM电解槽性能测试技术领域，包括如下步骤：在利用恒定电流密度对AEM电解槽进行活化时，采集AEM电解槽的工作电压，得到活化电压数据；根据历史的活化电压数据获取电压稳定阈值，并根据当前的活化电压数据进行变化预测，得到电压预测数据；根据当前的活化电压数据，并基于电压预测数据以及电压稳定阈值，动态调整当前的AEM电解槽的活化时长；对完成活化的AEM电解槽进行极化曲线性能测试，获取对应的极化曲线；本发明用于解决现有AEM电解槽性能测试技术在测试AEM电解槽的极化曲线时，在活化过程中设置固定的活化时长，容易导致活化不充分或过度活化，影响极化曲线测试的准确性的问题。

一种电解制氢用铂铜锡固溶体合金阴极催化剂及制备方法

Resumen de: CN122428314A

本发明公开了一种电解制氢用铂铜锡固溶体合金阴极催化剂及其制备方法。所述制备方法包括：配置含铂源、铜源、锡源的混合水溶液，加入碳载体并超声分散均匀；在冰水浴条件下，逐滴滴加强还原剂水溶液，通过液相共还原反应生成铂铜锡固溶体合金颗粒；经洗涤、烘干即得所述催化剂。本发明通过液相共还原法将铂、铜、锡以特定原子比例形成固溶体合金，利用铜的氢溢流效应与锡对氢氧根脱附的协同促进作用，构筑梯度电子结构活性中心。所得催化剂在100 mV过电位下的单位铂质量活性达到225.24 mA/mgPt，较商业化40%Pt/C提升约62.5%，在碱性电解水环境中连续运行600小时性能衰减低于5%，在实质性降低铂绝对用量的同时实现了超高活性与工业级耐久性。

一种雷尼镍电极及其制备方法和应用

Resumen de: CN122428315A

0001 本申请提供一种雷尼镍电极及其制备方法和应用，涉及电解水制氢领域。将表面设置雷尼镍催化层的电极基体进行热处理，得到热处理后电极；将碱液、添加剂和热处理后电极进行混合、活化处理、洗涤、干燥，得到雷尼镍电极；热处理中的氧气的体积浓度依次梯度降低直至为低氧气氛或无氧气氛，温度依次梯度升高。通过在碱液活化前引入可控梯度热处理过程，促进Ni与Al之间的充分扩散形成特定含量稳定的Ni3Al相，Ni3Al相中的Ni‑Al协同结构可在一定程度上调控表面电子结构，改善电极表面的反应活性位点分布，同时提高析氢和析氧性能，另外，在保证多孔电极骨架结构完整性的同时，提高了合金化程度。

火箭投送式应急照明装置及其部署方法

Resumen de: CN122429342A

本发明公开了火箭投送式应急照明装置，包括采用二级构型火箭，二级构型火箭包括上面级和助推级，上面级包括头锥，头锥连接上面级箭体，上面级箭体连接助推级箭体；头锥内部设置照明模块，上面级箭体内部设置空中姿态校正模块、航电模块、制氢机构、氢气球、上面级降落伞，尾端设置上面级发动机、上面级尾翼总成；助推级箭体内部设置助推级降落伞、助推级发动机，尾部设置助推级尾翼总成。本发明还公开了火箭投送式应急照明装置的部署方法，解决了现有应急照明装置存在部署慢、携带不便、地形适应性差的问题。

热诱导自组装矿物基化学产氢材料及其制备方法与应用

Resumen de: CN122425205A

0001 本发明提供了热诱导自组装矿物基化学产氢材料及其制备方法与应用，属于化学制氢技术领域，包括将铁橄榄石颗粒与可还原性金属盐的水溶液混合，构建反应体系；对所述反应体系施加温和加热条件，使所述可还原性金属盐中的金属离子在所述矿物颗粒表面原位还原并自组装生长，形成由所述矿物颗粒内核与金属单质外壳构成的核壳结构复合颗粒；其中，所述复合颗粒在加热条件下，其内核中的二价铁离子被氧化并释放电子，电子通过固相传导至外壳，在外壳表面催化水分子还原产生氢气；整个过程无需外部电源供电。本发明中原位形成的核壳结构产氢速率较传统反应数量级提升，反应温度大幅降低，为化学制氢提供了高效率和无需外部电能输入的新途径。

一种高熵氧化物空心纳米球及其制备方法与应用

Resumen de: CN122426713A

本发明涉及新型纳米材料及控制合成领域，公开了一种高熵氧化物空心纳米球及其制备方法与应用，将F127嵌段共聚物、均三甲苯、聚乙烯吡咯烷酮、去离子水混合得到F127混合溶液；金属M盐溶于去离子水，得到金属盐溶液；金属盐溶液滴加至F127混合溶液中获得前驱体混合溶液；前驱体混合溶液作为内相，正己烷作为外相，通过三通阀结合注射泵装置分散为微液滴，液滴迅速凝固为微球；收集所得微球除去正己烷后冷冻干燥；将前驱体微球在空气气氛中退火，即得到空心纳米球结构的高熵氧化物。本发明通过微流控技术与模板法相结合，设计并合成了一种含高价态金属组分的高熵尖晶石氧化物纳米空心球，其性能优异；本发明的方法形貌可控、组分可控。

一种NiS2/MoS2异质结纳米材料及其制备方法与在碱性析氢反应中的应用

Resumen de: CN122428323A

0001 本发明涉及一种过渡金属硫化物异质结构纳米材料及其制备方法与电催化碱性析氢中的应用。本发明中制备的纳米材料为NiS<2>与MoS<2>纳米颗粒异质结电催化剂。异质界面处能优化电子结构，产生强烈的电子相互作用，因此降低水分解的能量势垒，有利于改善碱性HER性能。因此NiS<2>/MoS<2>催化剂材料具有能媲美商业铂碳的碱性析氢性能，58mV的过电位能实现10mAcm<‑2>。制备方法为：（1）六水合硝酸镍与2氨基对苯二甲酸在DMF溶剂中100℃水热反应48h，离心得到Ni‑BDC前驱体；（2）Ni‑BDC前驱体、二水钼酸钠与硫代乙酰胺分散在乙醇中，180℃水热24h，离心后得到目标催化剂。本发明的制备流程便捷，原料成本低廉，所制得的催化剂兼具优异的电催化活性与长效稳定性，完全满足工业绿氢制备的严苛要求。

액상의 수소화합물을 연소보조재로 이용하는 다단 연소식 증기 생산용 가열로

Resumen de: KR20260113439A

0001a 본 발명은 액상의 수소화합물을 연소보조재로 이용하는 다단 연소식 증기 생산용 가열로에 관한 것으로, 하부의 다중 가열부에서 연소실의 연료와 공기 및 착화열의 연소조건이 활성화되도록 한 상태에서 상부의 가열부에서 완전 연소로 연소되는 중에 효과적으로 증기를 생산할 수 있도록 하되, 열을 이용하여 탄소 성분이 포함되지 않은 액상의 수소화합물에 함유된 각종 불순물을 구성하는 분자 간의 해리 엔탈피가 늘어나도록 함으로써 활성가스를 얻도록 하고, 상기의 연소실을 수직으로 길게 형성하면서 일정한 간격으로 형성한 적어도 하나 이상의 재발화층에서 직접 공급되는 활성증기를 연소시키도록 하여 연소 시에 발생하는 열로 발전용 증기와 전기분해용 증기를 생산하도록 하고, 활성증기를 연소시키는 중에 생성되는 증기로 발전기용 터빈을 가동하는 동시에 전기분해장치에서 산소와 수소를 저비용으로 생산하므로 에너지를 절감시킬 수 있도록 구성됨을 특징으로 한다.

액상의 수소화합물을 연소보조재로 이용하는 증기 생산용 가열로

Resumen de: KR20260113438A

0001a 본 발명은 액상의 수소화합물을 연소보조재로 이용하는 증기 생산용 가열로에 관한 것으로, 하단의 버너로부터 공급되는 열과 내부 연소열을 축열실에서 축열하도록 하고, 상기 축열실의 축열에 의해 외부로부터 적당한 양이 지속적으로 공급되는 액상의 수소화합물을 분자 구조로 변환하면서 연소가 가능한 활성증기화 하여 공급하도록 하고, 상기의 축열실에서 공급되는 활성증기와 내부에서 증기를 변환한 활성증기를 연소실에서 연소시키도록 하고, 연소 시에 발생하는 열로 발전용 증기와 전기분해용 증기를 생산하도록 함으로써 최소의 연료비로 내부 연소용 증기와 발전용 증기 및 전기분해용 증기를 얻으면서 최대의 열량을 얻을 수 있도록 구성됨을 특징으로 한다.

分布式制氢装置

Nº publicación: CN122428291A 21/07/2026

Solicitante:

浙江明深科技有限公司

Resumen de: CN122428291A

0001 本发明涉及电解水制氢技术领域，特别是涉及一种分布式制氢装置，包括筒体以及开设在筒体顶部的进料口，还包括：电极管，安装在筒体底部内壁；转动筒，转动安装在筒体内部；搅拌杆，由上到下环形阵列安装在转动筒外侧，数量设置多个；叶轮，活动安装在转动筒外侧；升降组件，设在转动筒上，用于带动叶轮上下移动。本发明提供的分布式制氢装置通过竖槽、升降块、连接杆的配合，带动叶轮随转动筒同步旋转的同时实现上下往复移动，形成旋流与竖向脉冲复合的流场，对筒体底部电解液进行全面、充分的扰动，彻底消除电解槽底部边角、转动部件下方的静态死水区。