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39
resultados
Última actualización
27/06/2026 [07:04:00]
Resumen de: EP4756935A1
The invention relates to a method for preparing an electrocatalyst comprising a first step of mixing and milling of a metal salt, a polyphenol and a surfactant followed by a second step of heating the paste resulting from the first step at a temperature higher than or equal to 700°C under an N2 atmosphere.
Resumen de: EP4757159A1
A method of operating a power supply system (1) for a multi-stack electrolyzer system (2) is presented, the power supply (1) comprising a transformer unit (3) operable to transform an alternating current electrical power (AC) and a rectifier system (4) operable to convert the alternating current electrical power (AC) to a direct current electrical power (DC), wherein at least two thyristor-type rectifier units (5) are connected in parallel between the transformer unit (3) on the AC side and an electrolysis array (110) on the DC side of the rectifier (4), and wherein the two rectifier units (5) are connected to different electrolyser stacks (6a, 6b), wherein the method comprises controlling the voltage of the rectifier units (5), wherein a reference DC voltage is provided to a control unit (7), wherein the control unit (7) controls the DC voltage (Vdc) to a common reference value (Vdc ref) by providing a corresponding firing angle (αref). Moreover, a related controller, power supply and the multi-stack electrolyzer system, are provided.
Resumen de: WO2025067773A1
The invention relates to an offshore electrolysis system (100) comprising: a wind turbine (1) having a platform (3) and an electrolysis plant (5) which is arranged on the platform (3) and is connected to the wind turbine (1) in order to supply electrolysis current; and a water supply device (7) which is connected to the electrolysis plant (5) and has a water collector (13) which is designed such that it is possible, without relying on seawater, to obtain water with little or no salt content which can be used as feed water for operating the electrolysis plant (5). The invention also relates to a method for operating a corresponding offshore electrolysis system (100), wherein, without relying on seawater, water is obtained in a water collector (13), the obtained water being of a quality with little or no salt content.
Resumen de: WO2025067765A1
The invention relates to an offshore electrolysis system (100) comprising: a wind turbine (1) with a platform (3) and with an electrolysis plant (5) which is arranged on the platform (3) and is connected to the wind turbine (1) in order to supply electrolysis current; and a heat supply device (7) which is coupled to the electrolysis plant (5) and is designed in such a way that heat can be transferred to the electrolysis plant by means of the heat supply device (7) during a standstill mode so as to maintain the temperature above a minimum temperature. The invention also relates to a method for operating a corresponding offshore electrolysis system. During a standstill mode, heat is transferred to the electrolysis plant (5) by means of the heat supply device (7) so as to maintain the temperature above a minimum temperature and prevent freezing of water-carrying components of the electrolysis plant (5).
Resumen de: WO2025067772A1
The invention relates to an electrolysis system (100) comprising: a wind turbine (1); an electrolysis plant (5) which is connected to the wind turbine (1) in order to supply electrolysis current, wherein an island network is implemented without connection to a power supply network; and a heat supply device (7) which is coupled to the electrolysis plant (5) and can be operated with a working medium (23), and which has an evaporator (13) and a condenser (11), and which is designed in such a way that, during a standstill mode, condensation heat of the working medium (23) can be transferred to the electrolysis plant (5) by means of the condenser (11) so as to maintain the temperature above a minimum temperature. During a standstill mode, the heat supply device (7) evaporates a working medium and condenses the evaporated working medium (23), condensation heat being generated and transferred to the electrolysis plant (5) so as to maintain the temperature above a minimum temperature and prevent freezing of water-carrying components of the electrolysis plant (5).
Resumen de: GB2702320A
A method of controlling an electrolyser cell stack with a system having a fluid temperature control system is defined. The method inlcudes: a current control system, a voltage monitoring system and monitoring/control systems for the temperatures of the fluid inlet and outlet. The method operates by controlling the current to a fixed value, then calculating a temperature delta between the fluid inlet and outlet, and adjusting the fluid input temperature if the delta is greater than a threshold value. the stack may be operated in a thermoneutral state. A control device in order to operate the method is also detailed. Figure 3
Resumen de: EP4756076A1
0001 A process for producing a carbon monoxide rich product stream by electrolysis of carbon dioxide in an electrolyzer. Due to separation of the respective anode and cathode side product streams, a first off-gas stream containing carbon monoxide is generated at the cathode side, whereas a second off-gas stream containing oxygen is generated at the anode side. Both off-gas streams are supplied to an oxidizing device, in which the oxygen of the second off-gas stream is at least partially reacted with carbon monoxide present in the first off-gas stream to form carbon dioxide, whereby an oxygen depleted stream containing carbon dioxide is formed and recycled to the electrolyzer. A control process is applied which enables a controlled oxidation of carbon monoxide with oxygen to form carbon dioxide. Optionally, also hydrogen contained in the first off-gas stream is converted in the oxidizing device to form water.
Resumen de: WO2024236080A1
There is provided a membrane electrode assembly (MEA) for an electrochemical devices, such as for fuel cells and electrolyzers, particularly for polymer electrolyte membrane (PEM) fuel cells, said membrane electrode assembly comprising a composite electrolyte membrane comprising a reinforced electrolyte layer comprising at least one porous support, the porous support being at least partially imbibed with a first ion exchange material; and a first electrode comprising a reinforced electrode layer comprising a porous support, the porous support being at least partially imbibed with a first catalyst and a second ion exchange material, wherein the composite electrolyte membrane is in contact with the first electrode. Also provided is a composite electrolyte membrane, which can be used in the manufacture of the membrane electrode assembly and a fuel cell and electrolyzer comprising such a membrane electrode assembly. A method for the manufacture of the membrane electrode assembly, and a membrane electrode assembly obtainable by such a method are also disclosed.
Resumen de: JP2026093998A
0001 【課題】高い酸素生成活性を有する光触媒粒子を製造する技術を提供する。 【解決手段】本発明の一態様に係る光触媒粒子の製造方法は、下記の一般式（Ｉ）で示される組成の光半導体粒子に助触媒を担持してなる光触媒粒子の製造方法であって、前記光半導体粒子を酸化処理する、酸化処理工程と、前記酸化処理工程後の前記光半導体粒子に前記助触媒を担持させる、助触媒担持工程と、を含み、前記酸化処理工程では、下記（ｉ）及び（ｉｉ）の少なくとも一方の処理を行なう：（ｉ）前記光半導体粒子を酸化剤溶液中で酸化させる；（ｉｉ）前記光半導体粒子を酸化性雰囲気下、３００℃超、４５０℃以下で加熱することにより酸化させる。 Ｍ<ａ>Ｔｉ<ｂ>Ｏ<ｃ>Ｓ<ｄ> …（Ｉ） （ただし、ＭはＰｒ、Ｎｄ、Ｐｍ、Ｓｍ、Ｅｕ、Ｇｄ、Ｔｂ、Ｄｙ、Ｈｏ、Ｅｒ、Ｔｍ及びＹから選ばれる１種又は２種以上を組み合わせたものであり、ａ＝１．７～２．３、ｂ＝２、ｃ＝４．７～５．３、ｄ＝１．７～２．３の数である。） 【選択図】なし
Resumen de: JP2026093897A
【課題】オフガスを燃焼させる燃焼部の燃焼温度を適切に上昇させてシステム効率を向上させる。【解決手段】固体酸化物形の電解セルと、燃焼用燃料ガスと助燃ガスとの混合ガスを燃焼させ燃焼排ガスを排出する燃焼部と、断熱性を有し電解セルと燃焼部とを収容するケースと、ケース外に設けられ電解セルから排出された水素極オフガス中の水蒸気を凝縮させる凝縮部と、凝縮部を通過した水素極オフガスの少なくとも一部を燃焼用燃料ガスとして燃焼部に供給する燃焼用燃料ガス流路と、電解セルから排出された酸素極オフガスを助燃ガスとして燃焼部に供給する助燃ガス流路と、ケース内に設けられ電解セルに供給されるガスと燃焼部から排出された燃焼排ガスとを熱交換させる第１熱交換部と、ケース内に設けられ燃焼用燃料ガス流路を介して燃焼部に供給される燃焼用燃料ガスと第１熱交換部を通過した燃焼排ガスとを熱交換させる第２熱交換部と、を備える。【選択図】図１
Resumen de: JP2026093100A
【課題】電解電圧を低くでき、かつ、クラック発生の抑制が可能な電極触媒層等を提供する。【解決手段】電極触媒層は、触媒と、プロトン伝導性またはアニオン伝導性を有する高分子電解質と、高分子繊維状物質と、を備える。電極触媒層の断面において空隙の面積の割合が２０％以上４０％以下である。電極触媒層の断面における各空隙の重心を母点としたボロノイ図においてボロノイ領域の面積の標準偏差をＡＳＤ、前記ボロノイ領域の算術平均面積をＡＡＶとしたときに、ＡＳＤ／ＡＡＶで表されるボロノイ領域の面積の分散度が０．５０以上０．９０以下である。【選択図】図２
Resumen de: CN122147433A
0001 本发明涉及一种镍锌铁三元析氧电极及其制备方法和应用，包括以下步骤：（a）在导电基底上电沉积镀覆镍锌预镀层；（b）将镀覆镍锌预镀层的所述导电基底作为阳极、镍电极作为阴极，置于含有铁源的氢氧化物水溶液中，于70‑90℃、阳极电位1.8V~2.2V的条件下进行电化学氧化。将镀覆镍锌预镀层的导电基底作为阳极、镍电极作为阴极以进行电化学氧化，这样能使得预镀层中的金属锌发生阳极溶出，生成可溶性的锌酸根离子，从而在电极内部原位形成丰富的孔道和缺陷；电解液中的铁离子在溶出的锌位点或暴露的镍位点上发生置换反应，被引入到电极骨架中；从而最终得到更具稳定性、活性、与基底结合牢固的多孔三元镍锌铁复合电极。
Resumen de: CN122147385A
0001 本发明涉及电催化析氢领域一种泡沫镍负载的多酸衍生钼镍硫化物的制备及应用。本发明目的是解决现有技术合成高性能电催化剂原材料储备稀少，析氢反应过电位较高，制备方法复杂等问题。本专利设计与研制了一种泡沫镍负载的多酸衍生钼镍硫化物MoS<2>/Ni<3>S<2>@NF‑MO。所采用的方法：以原位生长NiO纳米阵列的泡沫镍为模板，合成的硅钼酸和硫脲为原料，水热合成法制备了一种泡沫镍负载的多酸衍生钼镍硫化物，其可适用于碱性电解液中的电催化析氢反应且具有低析氢过电位和高催化活性。
Resumen de: CN122147408A
本发明公开了一种杂原子掺杂二氧化钌催化剂在析氢反应中的应用，所述所述杂原子为过渡金属或稀土金属中的一种，过渡金属或稀土金属掺杂到二氧化钌晶格内。本发明催化剂用于碱性电解水析氢反应中，表现出优异的析氢性能。
Resumen de: CN122147446A
0001 本发明公开了一种低浓度碱性电解水复合隔膜及其制备方法和应用，属于电解水制氢及新能源材料技术领域。本发明围绕“界面强化与离子传输协同调控”的核心思路，通过将界面改性剂（如3,4‑二羟基苯甲醛）接枝至聚合物基体主链引入儿茶酚功能单元，利用其强配位作用原位锚定无机亲水填料，构筑出连续且抗脱落的高效水化离子网络；同时对聚苯硫醚（PPS）支撑网进行磺化改性以提升表面极性，进而在皮层与骨架、聚合物与填料之间形成了氢键与配位键协同的多尺度界面耦合结构。在此基础上，本发明采用非溶剂诱导相分离法构筑具有梯度孔结构的复合膜，实现了离子传输效率与气体阻隔性能的完美平衡。
Resumen de: CN122147401A
本发明涉及电解水制氢技术领域，具体涉及一种复合电催化剂及其制备方法和应用、电极及其应用，该催化剂包括：导电基底和在所述导电基底表面的第一金属磷化物，以及在所述第一金属磷化物表面的第二金属硫化物；第一金属选自铁系金属、VIB族金属中的至少两种；第二金属选自铁系金属中的一种或多种，本发明所述复合电催化剂用于电解水，尤其是碱性电解水具有高效的HER电催化活性。
Resumen de: CN122141757A
本发明涉及光催化制氢的技术领域，公开了一种嵌入纤维素纳米晶复合水凝胶光催化材料的制备方法及应用，包括如下步骤：将光催化剂分散于水中，加入2‑甲基‑2‑丙烯酸‑2‑(2‑甲氧基乙氧基)乙酯、聚乙二醇甲醚甲基丙烯酸酯、N,N'‑亚甲基双丙烯酰胺、纤维素纳米晶和海藻酸钠，搅拌均匀后进行脱氧处理；加入引发剂和促进剂，加热聚合反应；反应后，将水凝胶取出继续加入氯化钙溶液浸泡，最后得到复合水凝胶光催化材料。本发明通过将纤维素纳米晶嵌入水凝胶中，大大提高了复合水凝胶的光吸收能力。将光催化剂负载到嵌入纤维素纳米晶的复合水凝胶内部，能够利用三维网络结构实现有效分散，避免了聚集效应，从而实现析氢效率的改善。
Resumen de: CN122144190A
0001 本发明公开了一种用于外星生命维持的气体压缩和发生装备，包括依次连接的涡旋压缩机构及氧气发生机构；所述涡旋压缩机构与气体采集与预处理装置连接，用于对预处理后的稀薄CO2进行多级增压，并输出平稳气流；所述氧气发生机构用于在高温条件下将增压后的CO2电化学分解为氧气和一氧化碳，并实现产物的分离收集；本发明将涡旋压缩机构与高温电解机构紧密集成，实现了结构的紧凑与轻量化；通过带偏心惰轮轴的动盘涡旋轨道组件进行动力传递，有效解决了外星低压环境下气体压缩效率低、密封泄漏严重的技术瓶颈，通过高温固体氧化物电解堆栈，将增压后的CO2电化学分解为氧气和一氧化碳；提高了资源的利用效率，实现了关键物质的闭环循环。
Resumen de: CN122141554A
本发明涉及水解制氢技术领域，具体公开了一种水解制氢反应装置，包括：装料机构和震动机构，装料机构包括装料架、控制件和触发件，装料架安装在反应罐内，控制件连接在装料架的底部，触发件连接在反应罐上，控制件包括通水壳、升降柱和弹性部一，通水壳连接在装料架内，升降柱通过弹性部一与通水壳连接，升降柱贯穿装料架的底部，升降柱上设置有通水槽，震动机构包括固定部、弹性支撑件、升降架、滤网二、止停部和弹性部四，弹性支撑件连接在升降柱上，滤网二连接在升降架上，升降架安装在弹性支撑件上，止停部通过弹性部四与固定部连接；本发明的水解制氢反应装置，能够减少氢氧化铝沉淀物与氢化铝固体颗粒的接触面积。
Resumen de: WO2025098730A1
The invention relates to an electrochemical system (1) comprising a stack (10), which stack (10) has a functional space (81). The functional space (81) is connected to a functional path (80). Furthermore, the electrochemical system (1) has a flushing line (2), which flushing line (2) can be fluidically connected to the functional space (81) by means of the functional path (80). In addition, the flushing line (2) can be connected to a liquid inlet (200) for continuously flushing the functional space (81) and/or the functional line (3) with liquid. The invention also relates to a method for continuously flushing such an electrochemical system.
Resumen de: WO2025098749A1
The invention relates to an electrochemical system (1) comprising a stack (10), which stack (10) has a functional space (81). The functional space (81) is connected to a functional path (80). Furthermore, the electrochemical system (1) comprises a flushing line (2), which flushing line (2) can be fluidically connected to the functional space (81) by means of the functional path (80). In addition, the flushing line (2) can be connected to a liquid inlet (200) for flushing the functional space (81) and/or the functional line (3) with liquid. The invention also relates to a method for flushing such an electrochemical system.
Resumen de: EP3438057A1
An electrolytic liquid generation device according to the present disclosure includes an electrolytic part and a housing in which the electrolytic part is disposed. The electrolytic part has a laminate including mutually adjacent electrodes and a conductive film interposed between the electrodes. The electrolytic part electrolyzes a liquid. The housing includes an electrode case having a recess with an opening to enable insertion of the electrolytic part through the opening and to contain the electrolytic part in the recess, and an electrode case lid to cover the opening of the electrode case. The electrolytic part is contained in the recess such that lamination direction Z of the laminate is substantially aligned with a direction in which the opening opens. This configuration provides an electrolytic liquid generation device that can be built with improved facility.
Resumen de: KR20260083686A
본 발명은 재생에너지 연계형 수소생산장치에 관한 것으로서, 본 발명에 의한 재생에너지 연계형 수소생산장치는, 원수를 공급받아 정화하여 저장하고 가열하는 수 처리부와, 상기 수처리부로부터 공급된 물을 열교환하고 경도이온을 제거하는 전처리부와, 상기 전처리부에서 수처리된 순수를 공급받아 전기분해하고 수소를 생산하는 PEM스택부와, 상기 PEM스택부에서 생성된 O2와 H2을 전달받아 저장하는 스택 후처리부와, 재생에너지 발전장치로부터 공급되는 DC전원을 전력변환하여 상기 PEM스택부에 DC전원으로 공급하는 DC/DC컨버터부를 포함하며, 상기 PEM스택부는 복수의 PEM스택을 포함하고, 상기 복수의 PEM스택은 병렬로 연결되고, 상기 DC/DC컨버터부는 복수의 재생에너지 발전장치에 각각 연결되고 복수의 상기 수전해 스택에 각각 연결되어, 재생에너지를 직접적으로 이용하면서도 재생에너지의 DC전원을 DC/DC컨버터에 의해 전력변환하여 각각의 수전해 스택에 공급할 수 있으므로, 상용전력을 이용하지 않고 재생에너지만을 이용하여 수전해 스택을 구동할 수 있으므로 진정한 의미의 그린 수소 생산장치를 제공할 수 있다.
Resumen de: CN121653713A
The invention discloses a preparation method of a difunctional electrode, the electrode and application, and the preparation method comprises the following steps: (1) preparing an electroplating solution: taking deionized water as a solvent, sequentially adding nickel sulfate, ammonium sulfate, ammonium chloride and sodium thiosulfate, uniformly stirring, and adjusting the pH value to 4.5-5.5; (2) electrode pretreatment: taking a nickel wire mesh subjected to double-sided sand blasting as a cathode, and then sequentially removing oil and an oxide layer; and (3) electrochemical deposition: putting the pretreated cathode and the nickel-based stretching net anode into an electroplating solution, respectively connecting the cathode and the anode with the cathode and the anode of a power supply, and performing constant-current deposition at room temperature at the current density of 5-20mA/cm < 2 > for 30-90 minutes to obtain the difunctional electrode. The NiS alloy is prepared by optimizing an electroplating co-deposition process, the unification of high electrochemical activity and anti-iron adsorption performance is realized by utilizing a dual anti-iron mechanism of a polysulfide protective layer, the energy consumption of an electrolytic bath is reduced, and the service life is prolonged.
Nº publicación: CN122147416A 05/06/2026
Solicitante:
电子科技大学
Resumen de: CN122147416A
0001 本发明公开了用于电解水析氧的镨单原子负载四氧化三钴催化剂的制备方法及装置，属于电化学催化材料技术领域，具体为：将硝酸钴和硝酸镨混合溶解得到前驱体溶液，涂覆于导电基底表面，经真空干燥处理形成前驱体膜层，置于空气气氛中，在300℃~400℃下煅烧1~3 h，冷却得到用于电解水析氧的镨单原子负载四氧化三钴催化剂。本发明在未使用贵金属的情况下，实现与贵金属催化剂相媲美的高活性与高稳定，为质子交换膜电解水技术的低成本化与大规模商业化应用提供了极具前景的材料体系与解决方案。
BOPI
Sede Electrónica
