Resumen de: WO2025210347A1
A catalyst-coated membrane for a water electrolyser is provided. The catalyst-coated membrane comprises a polymer electrolyte membrane with an anode catalyst layer on a first side of the membrane. The anode catalyst layer comprises an oxygen evolution reaction catalyst containing at least one noble metal at a loading of the oxygen evolution reaction catalyst, based on the noble metal content, of less than or equal to 0.6 mg/cm2. The polymer electrolyte membrane comprises a membrane layer comprising dispersed platinum group metal-containing nanoparticles, a nanoparticle stabilising agent and an ion-conducting polymer.
Resumen de: WO2025126055A1
A system is described for the production of hydrogen and thermal power through a spontaneous electrochemical oxidation-reduction reaction, formed by at least one reactor (1) composed by a loading line (2) that introduces a reacting material into a reaction basin (6); at least one discharge body (12) for the hydroxide produced during the reaction, wherein the pH is transformed into a desired value by the introduction of an acidic solution through a loading line (13); at least one loading line (3) of water that is supplied into the reaction basin (6); at least one cathode body (5) made of porous material containing gaseous oxygen; at least one loading line (4) that allows the oxygen to be replenished at the cathode body (5); at least one porous material filter (7) for separating the gaseous hydrogen from solid residues produced during the reaction; and at least one discharge line (8) for the release of gaseous hydrogen. The system is configured to perform a process for the production of hydrogen and thermal power through an oxidation-reduction reaction between a material acting as an anode, a material acting as a cathode and a material acting as an electrolyte.
Resumen de: JP2026150400A
【課題】水素の新たな製造方法を提供する。【解決手段】本発明は、溶融塩で湯面が覆われたAl基溶湯へガスを導入するバブリング工程と、バブリング工程後に回収した溶融塩またはその凝固塩に水を接触させる接触工程とを備える。その接触工程で発生した水素を捕集することにより、水素の効率的な生産が可能になる。バブリング工程は、例えば、不活性ガスをAl基溶湯へ導入してなされる。溶融塩は、例えば、塩化ナトリウムと塩化カリウムの混合塩である。水素の製造と併せて、接触工程で得られた残留物から金属酸化物(例えばAl2O3粒子、MgO粒子)を採取してもよい。また、バブリング工程によりAl基溶湯の精製も併せて行える。【選択図】図3
Resumen de: KR20260140834A
0001a 본 발명은, 철 이온과 제올라이트를 이온 교환시켜 제1 촉매 혼합물을 형성하는 단계, 상기 제1 촉매 혼합물에 철 이온이 포함된 용액을 용액 침투시켜 제2 촉매 혼합물을 형성하는 단계, 상기 제2 촉매 혼합물을 챔버 내에 유입시키는 단계 및 상기 챔버 내에 암모니아를 포함하는 질소 함유 조성물을 유입시키는 단계를 포함하는 암모니아 분해 방법을 제공한다.
Resumen de: KR20260140641A
본 발명은 우수한 물분해 수소발생반응 (Hydrogen evolution reaction, HER) 활성을 갖는 레늄 바나듐 셀레나이드 합금 나노시트 및 이의 제조방법에 관한 것이다. 보다 구체적으로, 본 발명은 전기화학적 물분해 반응 수소발생 촉매 활성을 갖는 레늄 바나듐 셀레나이드 (Re1-xVxS2, 0 ≤ x ≤ 1) 합금 나노시트 및 이들의 조성비(x)를 정량적으로 조절 가능한 용액 반응 제조방법에 관한 것이다.
Resumen de: JP2026149886A
0001 【課題】 本発明は、水電解に用いられる電解質膜用触媒層に関し、水電解試験前後における触媒層中の金属酸化物の変化率が低く、耐久性が非常に高いものである。すなわち水電解工程を通して、安定であり、より長期信頼性を有する水電解装置を提供することができるものである。 【解決手段】 (A)ポリマー、及び(B)金属、若しくは金属酸化物を含有する電解質膜用触媒層であって、 更に(α)沸点が60℃以上150℃以下である有機溶媒を含有する電解質膜用触媒層。 【選択図】なし
Resumen de: JP2026149887A
【課題】本発明によれば、水電解試験前後における触媒層中の金属酸化物の変化率が低く、耐久性が非常に高い電解質膜を提供することが可能である。すなわち水電解工程を通して、安定であり、より長期信頼性を有する水電解装置を提供することができるものである。また、本発明の他の実施形態である電解質膜用触媒層製造用インクを用いると、水電解に用いられる電解質膜に対し、触媒層の被覆を容易にすることができる。【解決手段】(A)ポリマー、及び(B)金属、若しくは金属酸化物を含有する電解質膜用触媒層であって、BET比表面積が、1.93×102m2/g以上2.00×103m2/g以下である電解質膜用触媒層。【選択図】なし
Resumen de: WO2022189560A1
Method and system for producing a hydrogen product from ammonia, comprising: optionally at least one pre-cracking reactor, such as an adiabatic pre-cracking reactor, arranged to receive an ammonia feed stream, thereby producing a partly converted am-5monia feed stream comprising ammonia, hydrogen and nitrogen; an ammonia cracking reactor such as an electrically heated reactor. The reactor is arranged to receive the partly converted ammonia feed stream or the ammonia feed stream for producing an effluent gas stream comprising hydrogen and nitrogen and optionally also unconverted ammonia; and a hydrogen recovery unit arranged to receive the effluent gas stream for 10producing the hydrogen product and an off-gas stream comprising hydrogen, nitrogen and optionally unconverted ammonia.
Resumen de: CN122806516A
0001 本发明涉及氨分解制氢催化剂技术领域,本发明公开了一种用于氨分解制氢的铈改性镍基催化剂及其制备方法和应用,所述催化剂以氧化铈为载体,以镍为主活性组分,并可进一步引入钴为第二活性金属;所述氧化铈由四价铈源经溶胶‑凝胶法制得。制备方法包括:将四价铈源、镍源及任选的钴源溶解于去离子水中,加入柠檬酸为络合剂,调节pH至碱性,经水浴蒸发、干燥和分段焙烧后得到催化剂。本发明通过采用四价铈源与溶胶‑凝胶法协同调控,提高Ce<3+>比例和氧空位浓度,增强Ni‑Ov‑Ce金属‑载体相互作用;通过镍钴双金属协同效应提升氨分解活性。催化剂在600℃下具有优良的氨分解转化率和稳定性,适用于船舶氨氢动力系统和分布式氨制氢场景。
Resumen de: ES2962182A1
The present invention refers to a method for obtaining hydrogen through the dissociation of the water molecule through thermochemical reactions under (quasi-) isothermal conditions, which comprises the following steps: arranging the active material (103) in a volume reaction (109) of a reactor (101); reduce the active material (103) provided, by adding heat; evacuate the oxygen produced through a first outlet (106); inject water into the reaction volume (109); oxidize the active material (103) producing hydrogen; filter the hydrogen produced through a selective filter (104) during the oxidation process of the active material (103); and evacuate the filtered hydrogen through the second outlet (107) obtaining a flow of high purity hydrogen; and device to carry it out. (Machine-translation by Google Translate, not legally binding)
Resumen de: KR102861076B1
A method for operating a high temperature water electrolysis stack is disclosed. The disclosed method for operating a high temperature water electrolysis stack comprises the steps of: injecting a reducing gas into a hydrogen electrode of a high temperature water electrolysis stack (s210); initially raising the temperature of the hydrogen electrode of the high temperature water electrolysis stack (s220); blocking the reducing gas injected into the hydrogen electrode of the high temperature water electrolysis stack (s230); primarily oxidizing the hydrogen electrode of the high temperature water electrolysis stack (s240); re-injecting the reducing gas into the hydrogen electrode of the high temperature water electrolysis stack (s250); blocking the reducing gas injected into the hydrogen electrode of the high temperature water electrolysis stack again (s260); secondarily oxidizing the hydrogen electrode of the high temperature water electrolysis stack (s270); and performing a normal operation by re-injecting the reducing gas into the hydrogen electrode of the high temperature water electrolysis stack (s280).
Resumen de: EP4567160A1
0001 The invention concerns an electroplating process for electroplating an electrode of an electrochemical cell, the process comprising: - providing an electrode, which comprises a substrate; - providing an electrolyte: which comprises water; a Cr(III) salt; a cobalt salt; one or more further transition metal salts, and/or non-metal salts; and a suppressing agent; - contacting the electrode with the electrolyte; and - depositing a coating on the metallic substrate by applying an electrical current to the electrode wherein the coating comprises 5 to 35 wt% chromium, 10 to 75 wt% cobalt and 10 to 60 wt% one or more further transition metals and/or non-metallic elements.
Resumen de: EP4567153A1
0001 A method of electrolysing water, the method comprising: - providing an electrolyser comprising an anode; a cathode and optionally a separator; - contacting the cathode and/or the anode with an aqueous alkaline solution comprising water; and - electrolysing the water using a potential difference from the anode to the cathode, wherein at least one of the cathode and the separator comprises a substrate and a coating, wherein the coating comprises 9.5 to 35 wt% chromium; 10 to 75 wt% cobalt; and 10 to 60 wt% one or more further transition metals and/or one or more non-metallic elements selected from C, P, N and B, and wherein the coating catalyses hydrogen evolution at the cathode.
Resumen de: EP4524100A1
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.
Resumen de: WO2025149217A1
The present invention relates to an alkaline electrolysis device comprising: - at least one electrolysis cell having a reactor chamber, which has a hydrogen-side reactor-chamber region, containing the aqueous electrolyte, for breaking down the aqueous electrolyte into gaseous hydrogen and has an oxygen-side reactor-chamber region, containing the aqueous electrolyte, for breaking down the aqueous electrolyte into gaseous oxygen; - a hydrogen separator, which is connected to the hydrogen-side reactor-chamber region, for separating the gaseous hydrogen from the aqueous electrolyte introduced into the hydrogen separator; and - an oxygen separator, which is connected to the oxygen-side reactor-chamber region, for separating the gaseous oxygen from the aqueous electrolyte introduced into the oxygen separator; wherein the hydrogen separator comprises a first hydrogen-separator outlet for removing the aqueous electrolyte having a first hydrogen concentration, and a second hydrogen-separator outlet for removing the aqueous electrolyte having a second hydrogen concentration that is lower than the first hydrogen concentration; and wherein the first hydrogen-separator outlet and the second hydrogen-separator outlet can be or are connected to the reactor chamber.
Resumen de: CN122807086A
0001 本发明公开了一种富含高密度缺陷的铜/金刚石复合电催化剂及其制备方法与应用,属于电催化与粉末冶金技术领域。本发明的铜/金刚石复合电催化剂的制备方法包括以下步骤:取镀铜金刚石粉末,在机械压力及脉冲直流电流条件下进行放电等离子烧结,得到铜/金刚石烧结产物;对所述铜/金刚石烧结产物进行高压扭转处理,完成制备。所制得的复合电催化剂以金刚石颗粒为物理骨架,铜基体及铜/金刚石相界面处分布有由剧烈塑性变形诱发的高密度位错与晶界缺陷。该方法制备的复合电催化剂兼具优异的电化学活性与极端结构稳定性,在大电流密度碱性水分解制氢和析氧反应中无材料剥落,展现出巨大的工业级应用潜力。
Resumen de: CN122811862A
一种基于智能自适应控制的光伏驱动连续式空气取水制氢集成系统及方法,该系统包括光伏模块、连续式多吸附床、热电温控模块、内置气泵、保温层、冷凝集水模块及电解制氢模块;工作时,吸附床吸附大气水分后,顶盖下压形成密闭解吸附室,热电温控模块采用PWMEKFMPC策略精准加热,内置气泵强制输送水蒸气,经保温管道进入冷凝模块产水,冷凝水供给PEM电解槽制氢;智能控制模块基于贝叶斯优化,根据环境参数自适应调节吸附‑解吸附周期与加热目标;相较于现有技术,本发明通过轴套替代双弹簧提升密封性,气泵与保温层使水蒸气传质效率提升约6400倍,温控响应时间缩短60%以上,年产水量约46.3 L,年产氢量约58 Nm³,实现了干旱地区水资源与清洁能源的高效自持获取。
Resumen de: CN122811852A
0001 本发明公开了一种可加速质子转移的异质结构催化剂及其制备方法与应用,包括IrO<2>和CeO<2>,且IrO<2>和CeO<2>之间具有原子级紧密接触的异质结界面。本发明采用尿素辅助的一步水热共沉淀煅烧工艺,构建具有原子级紧密接触界面的IrO<2>‑CeO<2>异质结构;CeO<2>作为路易斯酸位点富集并活化水分子,并通过紧密的异质结界面将活化的羟基物种高效迁移至相邻的IrO<2>活性位点,触发“羟基溢出”效应;同时,该独特的异质结界面能够精细调控界面水分子氢键网络,优化反应中间体‑OOH的吸附自由能,从而显著加速酸性析氧反应的质子转移速率,降低过电位,实现高效、稳定的酸性电解析氧性能。
Resumen de: CN122810392A
0001 本发明提供了缺陷型Ni‑MOF纳米片的制备方法及其应用,制备方法及其光催化苯甲醇氧化耦合析氢中的应用。本发明通过表面活性剂辅助的微波溶剂热快速合成策略,精确调控镍盐与有机配体的配位动力学,引入连接体缺陷,制备出富含不饱和金属位点和配体缺失的缺陷型Ni‑MOF纳米片花球。本发明重点通过对Ni‑MOF的缺陷工程设计,调控其电子结构和配位环境,显著增加了催化活性位点密度。所得缺陷型Ni‑MOF基复合材料在可见光区具有良好的光吸收特性,在光催化苯甲醇氧化耦合产氢反应中展现出优异的光催化活性与稳定性。本发明技术合成步骤简单、无需贵金属参与,且光催化活性优异,在光催化增值转化方面具有广泛的应用前景。
Resumen de: CN122823522A
0001 本发明公开了一种光伏耦合电解水制氢系统的资源性构建与分析方法,该方法对光伏电站和电解水制氢系统进行源荷资源耦合以构建光伏电站出力电解水制氢系统;将光伏电站出力电解水制氢系统作为虚拟电厂资源,并确定虚拟电厂的基线运行模式;将基线运行模式分为五个阶段,并根据不同阶段的基线运行模式确定资源基线运行状态;以及,基于对光伏电站出力的第一随机因素的分析预测设定检测起始时点,并根据基于检测起始时点的模式切换时点与实时监测确定第二随机因素对系统整体运行模式的扰动屏蔽结果。本发明基于虚拟电厂自身运行数据的生成和积累,提升检测起始时点预测的合理性和准确性。
Resumen de: CN122811830A
本申请涉及一种柔性自支撑双功能电极材料及其制备方法和应用。先制备MoP@CoP/N‑C纳米颗粒,再将MoP@CoP/N‑C纳米颗粒与PAN共混,静电纺丝制备纳米纤维膜;纳米纤维膜在空气气氛中稳定化后,在氮气气氛中高温碳化;最后经磷酸二氢钠磷化处理得到电极材料。本申请所制备的电极材料具有三维多孔纤维网络结构、高比表面积、优异的导电性和结构稳定性,在碱性及模拟海水电解液中均表现出高效的析氧反应和析氢反应催化性能,制备过程无需使用黏结剂,工艺简单、可控,适用于规模化制备,在电解水制氢、燃料电池等领域具有广阔的应用前景。
Resumen de: CN122806403A
0001 本申请提供一种旋流强化制氢与提氢二级串联的光催化装置及方法,涉及制氢技术领域。所述装置包括串联且物理分隔的光旋流制氢装置与旋流提氢装置。制氢装置设有并联旋流反应器、进料分配单元及由外部光源和内置导光棒组成的光源导入单元;提氢装置设有并联旋流分离器,其顶部溢流口连接气相收集单元,底部底流口经液相循环回用单元接回进料分配单元。本发明将反应与分离解耦,通过强旋流场、均匀光场及模块化并联结构协同强化制氢与提氢效率,提升处理能力与灵活性。
Resumen de: CN122811845A
本发明公开了一种基于NiO的新型电解水制氢催化剂材料及其制备方法,属于新能源材料技术领域。所述催化剂材料的制备方法包括:对镍网基底进行超声清洗和盐酸酸蚀,得到粗化镍网基底;采用原子层沉积法交替沉积Fe2O3层和Co3O4层,形成Fe2O3/Co3O4交替过渡金属氧化物中间层;再通过射频磁控溅射法沉积Pt/La共掺杂NiO催化层;随后涂覆TiO2保护层,并构建仿生微通道结构;最后集成智能监测反馈模块,实现催化剂材料表面状态的原位调整。本发明制备的基于NiO的新型电解水制氢催化剂材料具有较低的过电位、电荷转移阻抗和气泡覆盖率,表现出优异的催化活性,同时具有优异的超声失重性能,而且成本较低。
Resumen de: CN122811832A
本发明涉及一种快速制备炭黑负载Pt/PtSe2异质结电催化电极的方法,包括以下步骤:S1、将预处理炭黑和铂源分散于溶剂中,进行油浴加热,反应结束后,经冷却、离心、干燥,得到Pt/C粉;S2、将所述Pt/C粉与硒粉混合,进行闪蒸焦耳热处理,即得。本发明通过闪蒸焦耳热处理实现硒化反应的高效精准调控,在预处理炭黑上稳定构建高性能Pt/PtSe2异质结,使得电催化电极在复杂碱性海水电解液中兼具优异的催化活性与长效运行稳定性,适配工业级碱性海水制氢的应用场景。
Nº publicación: CN122811847A 25/09/2026
Solicitante:
蓝星(北京)化工机械有限公司
Resumen de: CN122811847A
0001 本发明涉及一种复合电极材料及其制备方法和应用,其中,复合电极材料,包括导电基底,以及生长在所述导电基底表面的Ni‑Mo‑Ce‑S复合催化活性材料;所述Ni‑Mo‑Ce‑S复合催化活性材料由包含镍源、钼源、铈源和硫源的浸渍液在所述导电基底表面浸渍、反应、烧结形成。其有益效果是,其可以在保持优异催化活性的同时大幅降低制备工艺复杂度与生产成本,达到了析氢反应性能与工业化应用可行性的有效统一。