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Publicaciones de solicitudes de patente de los últimos 60 días/Applications published in the last 60 days
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一种低阻抗碱性电解水用复合多孔隔膜及其制备方法

NºPublicación:  CN122649012A 28/08/2026
Solicitante: 
浙江大学
CN_122649012_PA

Resumen de: CN122649012A

本发明公开了一种低阻抗碱性电解水用复合多孔隔膜及其制备方法。所述复合多孔隔膜在聚合物基体与多级粒径无机纳米颗粒的体系中,原位掺杂了0.05%~25%的亲水化纤维;所述亲水化纤维在隔膜内部构筑了连续的三维网络骨架,不仅与无机纳米颗粒形成强烈的机械互锁效应以有效锚定粉体,同时构建了长程亲水传质通道,大幅优化了离子传输动力学。所述亲水化纤维优选亲水化处理的PPS浆粕纤维或无机纤维。本发明通过非溶剂相转化法制备隔膜,所得隔膜在保持低面电阻的同时,在高温浓碱条件下具有极低的粉体脱落率,显著提升了隔膜在碱性电解水工况下的长期运行稳定性,克服了现有技术中无机颗粒易脱落的缺陷,具有广阔的应用前景。

一种镍基催化剂及其制备方法、应用

NºPublicación:  CN122644066A 28/08/2026
Solicitante: 
中国科学院大连化学物理研究所
CN_122644066_PA

Resumen de: CN122644066A

0001 本申请公开了一种镍基催化剂及其制备方法、应用,属于催化剂领域。所述镍基催化剂包括活性组分、载体组分和助剂组分;所述活性组分为镍;所述载体组分选自镁、锶、镧、铈、镨、钕、钐中的至少一种;所述助剂组分选自钙、钡、钪、钇、镧、铈、镨、钕、钐中的至少一种;且载体组分和助剂组分不同时相同。该催化剂的成本低廉,制备简单,高分散,高稳定性,催化性能好,可应用于催化氨分解制氢。

VANADIUM-DOPED ZINC OXIDE NANORODS AND METHOD FOR HYDROGEN PRODUCTION USING THE SAME

NºPublicación:  KR20260130349A 28/08/2026
Solicitante: 
GANGNEUNG WONJU NAT UNIV IND ACAD COOP GROUP [KR]
\uAD6D\uB9BD\uAC15\uB989\uC6D0\uC8FC\uB300\uD559\uAD50\uC0B0\uD559\uD611\uB825\uB2E8
KR_20260130349_PA

Resumen de: KR20260130349A

0001a 본 발명은 바나듐이 도핑된 산화아연 나노로드 및 이를 이용한 수소 생산 방법에 관한 것이다. 본 발명은 0.1 내지 5 원자% 의 바나듐이 도핑된 산화아연(ZnO:V) 나노로드를 제공하는 단계; 상기 바나듐이 도핑된 산화아연 나노로드를 태양광 모사장치 하에서 물과 접촉시키는 단계; 및 물분해로부터 발생된 수소 가스를 수집하는 단계를 포함하며, 상기 바나듐이 도핑된 산화아연 나노로드는 상자성 특성을 나타내는 것을 특징으로 하는 수소 생산 방법을 제공한다.

一种多尺度结构的泡沫镍阳极材料及其制备方法和应用

NºPublicación:  CN122649000A 28/08/2026
Solicitante: 
合肥工业大学
CN_122649000_PA

Resumen de: CN122649000A

本发明公开了一种多尺度结构的泡沫镍阳极材料及其制备方法和应用,所述方法包括以下步骤:(1)采用飞秒激光对泡沫镍进行表面加工,在其表面构建微米级沟槽结构及纳米级粗糙结构;(2)对加工后的泡沫镍进行酸洗处理,去除重铸层及表面氧化物;(3)在酸洗之后的泡沫镍表面构建含镍元素和铁元素的催化活性层,得到复合阳极电极。所述阳极材料与未处理泡沫镍相比,具有更低的过电位及更优的传质性能,在阴离子交换膜电解水体系中表现出优异的催化活性及稳定性。本发明方法简单、可控性强,适用于规模化制备。

复合体及制备方法和电解制氢的电解小室结构

NºPublicación:  CN122648857A 28/08/2026
Solicitante: 
中石油深圳新能源研究院有限公司中国石油天然气股份有限公司
CN_122648857_PA

Resumen de: CN122648857A

0001 本发明涉及制氢技术领域,公开了一种复合体及制备方法和电解制氢的电解小室结构,复合体包括支撑骨架和附着在所述支撑骨架上的亲水微孔层,所述制备方法包括:将包含亲水材料和造孔剂的混合粉体热喷涂到支撑骨架上,浸渍造孔;其中,所述支撑骨架包括电极催化剂层或基材。本发明能够解决电解小室存在寿命短,碱性电解水电解小室内部氢氧容易互串的问题。

一种中空含磷的钴铁基金属催化剂及其制备方法与应用

NºPublicación:  CN122648984A 28/08/2026
Solicitante: 
上海电力大学
CN_122648984_PA

Resumen de: CN122648984A

0001 本发明涉及一种中空含磷的钴铁基金属催化剂及其制备方法与应用,该催化剂的制备步骤包括:以CoFe‑gly为前驱体,经配体调控与煅烧处理,生成中空含磷的钴铁基催化剂。该中空结构可充分暴露活性位点、加快传质效率,壳层能有效抑制结构坍塌、防止活性组分在催化过程中变形和溶解,赋予材料优异的OER催化活性与稳定性。与现有技术相比,在10mA/cm<2>的电流密度下该催化剂过电位仅为233mV,且可稳定运行300小时,优于商业催化剂(RuO<2>),在电解水、金属‑空气电池等能源转化领域具有重要的应用价值与广阔前景。

一种钌掺杂五氧化二钽纳米棒阵列材料及其制备方法与应用

NºPublicación:  CN122648991A 28/08/2026
Solicitante: 
上海应用技术大学
CN_122648991_PA

Resumen de: CN122648991A

0001 本发明涉及一种钌掺杂五氧化二钽纳米棒阵列材料及其制备方法与应用。包括:将盐酸、氢氟酸、多元醇混合搅拌,加入五氯化钽粉末,搅拌,加入钌盐,搅拌,得到混合溶液;将混合溶液加入反应釜中,并将气体扩散电极基底放置于反应釜的混合溶液中,进行液相还原,将液相还原后的气体扩散电极基底依次清洗和烘干,得到复合电极;在氮气气氛中进行退火处理,得到钌掺杂五氧化二钽纳米棒阵列材料。与现有技术相比,本发明的钌掺杂五氧化二钽纳米棒阵列材料形貌规整均一,结晶性良好,方法简单、工艺流程短、反应条件易控,能够大面积制备。

电解槽装置

NºPublicación:  CN122648971A 28/08/2026
Solicitante: 
中国石化集团南京化学工业有限公司中石化南京化工机械有限公司
CN_122648971_PA

Resumen de: CN122648971A

0001 本申请公开一种电解槽装置,电解槽装置包括盖板组件和流道组件。盖板组件包括阴极盖板和阳极盖板,阴极盖板和阳极盖板的中部均形成有反应腔室,阴极盖板和阳极盖板的反应腔室的相对两端均分别形成有第一安装槽和第二安装槽;流道组件包括入口模块和出口模块,入口模块可拆卸设于第一安装槽内,出口模块可拆卸设于第二安装槽内,入口模块和出口模块上均设有总进出口、分配腔以及多个流道,总进出口与分配腔连通,分配腔的壁面上依次间隔设有多个流道,流道连通分配腔与反应腔室,且流道内拆卸设有堵块,以实现能够快速更换入口模块和出口模块上的流道的布局,以方便研究进出流道布局的改变对流场的影响。

风光氢氨全系统容量与调度小时级联合优化方法

NºPublicación:  CN122659997A 28/08/2026
Solicitante: 
中国电建集团中南勘测设计研究院有限公司
CN_122659997_PA

Resumen de: CN122659997A

0001 本发明公开了风光氢氨全系统的容量与调度小时级联合优化方法,包括:获取风光发电系统的风光出力功率并建立能量流耦合关系,根据能量流耦合关系构建电解制氢逐时刻产氢量计算模型、合成氨切换运行控制规则、储氢系统动态运行模型以及电化学储能系统运行约束模型;其次构建风光氢氨全系统的负荷调节约束机制,并基于负荷调节约束机制和未来预设时间功率调整机制建立前瞻负荷调节机制,将其引入双向耦合机制中对风光氢氨全系统的容量配置及调度优化进行迭代更新,直至目标最小化优化函数收敛,输出最优容量配置与调度运行结果;本方法适用于高比例可再生能源消纳场景下实现制氢、储氢与合成氨环节的协同规划与运行。

SEMICONDUCTOR NANOCLUSTER SELF-ASSEMBLY METHOD FOR MANUFACTURING THE SAME AND PHOTOCATALYST FOR WATER SPLITTING COMPRISING THE SAME

NºPublicación:  KR20260130395A 28/08/2026
Solicitante: 
DAEGU GYEONGBUK INST OF SCIENCE AND TECHNOLOGY [KR]
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KR_20260130395_PA

Resumen de: KR20260130395A

본 발명은 반도체 나노클러스터 자기조립체의 제조방법 및 이에 따라 제조된 반도체 나노클러스터 자기조립체(suprastructures)를 이용한 물분해용 수소 생산 광촉매에 대한 것으로, 보다 구체적으로는 코발트 이온이 도핑된 반도체 나노클러스터 자기조립체를 포함하고 비피리딘을 공촉매로 사용하는 수소 발생용 광촉매에 관한 것이다. 본 발명의 반도체 나노클러스터 자기조립체는 금속 전구체 및 유기 리간드를 포함하는 양이온 전구체 용액과, 셀레늄 전구체 및 환원성 가스를 포함하는 음이온 전구체를 혼합하여 반응시킨 후 열처리함으로써 제조되며, 반도체 나노클러스터 자기조립체에 포함된 반도체 나노클러스터는 유기 리간드에 의해 표면이 부동태화되어 있고, 복수의 클러스터가 자가조립되어 안정적인 구조의 자기조립체를 형성한다. 본 발명의 반도체 나노클러스터 자기조립체를 이용한 물분해용 수소 생산 광촉매는 반도체 나노클러스터 내부에 코발트 이온이 도핑됨으로 인해 수계 환경에서도 금속 이온의 용출이 억제되는 구조적 안정성을 확보하였으며, 전자 밀도가 풍부한 질소 함유 유기 분자인 비피리딘을 공촉매로 도입함으로써 전자 전달이 촉진되고 전하 재결합이 억제되어 수소 발생 반응의 효율을 더�

一种基于Ru催化碳化辅助制备钌掺杂过渡金属碳化物纳米催化剂的方法及其应用

NºPublicación:  CN122649006A 28/08/2026
Solicitante: 
西南大学
CN_122649006_PA

Resumen de: CN122649006A

本发明公开了一种基于Ru催化碳化辅助制备钌掺杂过渡金属碳化物纳米催化剂的方法及其应用,通过构建含Ru的过渡金属有机框架(MOFs)前驱体,在惰性气氛下进行热处理,利用Ru在碳化过程中的催化作用,提高碳化效率并改善材料结构,实现碳化过程的协同调控,从而获得结构稳定、分散性良好、导电性优异的钌掺杂过渡金属碳化物材料。本发明具有原料廉价易得、制备工艺简单、可控性强等优点。本发明所得催化剂在高电流密度条件下电解水析氢反应中表现出优异的催化活性和电化学稳定性,具有良好的工业应用前景。

一种非贵金属掺杂四氧化三钴基催化剂及制备方法和应用

NºPublicación:  CN122649002A 28/08/2026
Solicitante: 
西安交通大学
CN_122649002_PA

Resumen de: CN122649002A

本发明属于析氧催化剂技术领域,具体涉及一种非贵金属掺杂四氧化三钴基催化剂及制备方法和应用。以可溶性钴盐和非贵金属盐为原料,溶于溶剂中,形成混合盐溶液;将导电基体覆盖在混合盐溶液上,煅烧氧化处理得到导电基底负载非贵金属掺杂四氧化三钴基催化剂。本发明基于溶液共混与热解煅烧协同策略,通过掺杂元素的电子效应与几何效应协同调控催化剂的微结构,改变催化剂‑电解液接触相的化学组成与电荷特性,优化界面水分子排列与质子传输路径,从而在原子尺度上重构OER反应微环境,实现非贵金属离子在四氧化三钴晶格中的均匀掺杂,同时构建碳纸与活性组分间的强界面结合及三维多孔导电网络,有效提升材料的电子传输能力与电化学活性面积。

一种La调控晶相/非晶相电催化析氧材料及其制备方法和应用

NºPublicación:  CN122648981A 28/08/2026
Solicitante: 
武汉科技大学
CN_122648981_PA

Resumen de: CN122648981A

本发明涉及一种La调控晶相/非晶相电催化析氧材料及其制备方法。它是由六水合硝酸镧、二水合钼酸钠、九水合硝酸铁、硫代乙酰胺和水,通过一步微波水热法反应形成的;其所制得的高活性的具有晶相/非晶相异质结构的电极材料(LaMoSFe@NF),通过设计独特的催化剂的结构,更有效地利用纳米材料内部空间,提高了电催化析氧效果。

一种基于硫酸铵分级电解的锅炉烟气脱硫制氢系统及方法

NºPublicación:  CN122648978A 28/08/2026
Solicitante: 
西安热工研究院有限公司
CN_122648978_PA

Resumen de: CN122648978A

本发明公开了一种基于硫酸铵分级电解的锅炉烟气脱硫制氢系统及方法,属于先进环保产业和新能源产业的交叉技术领域,该系统包括锅炉烟气入口、喷淋吸收塔、电解槽隔膜、电解槽阳极室、电解槽阴极室、水解反应器、MVR蒸发器、浓硫酸储存装置、氢气储存装置、净烟气出口、阳极液制备单元和结晶单元;该方法包括烟气SO2梯度吸收、硫酸铵基阳极液制备、两级电解反应以及硫循环与副产物回收四个步骤。本发明通过硫酸铵分级电解的创新技术路线,将传统环保领域的烟气脱硫与新能源领域的氢能制备有机融合,实现了环保效益与能源效益的双重提升,具备显著的产业推广应用价值。

一种提高制氢效率的电极催化层喷涂控制方法

NºPublicación:  CN122652948A 28/08/2026
Solicitante: 
青骐骥中能(江苏苏州)氢能源科技有限公司
CN_122652948_PA

Resumen de: CN122652948A

本发明公开了一种提高制氢效率的电极催化层喷涂控制方法,包括:喷涂过程中实时检测涂层厚度值与表面水分挥发速度值;根据两者动态关系判定底层或表层主导阶段:水分挥发速度随厚度增加保持稳定或上升时为底层主导阶段,出现下降趋势时为表层主导阶段;底层主导阶段检测到铺展停滞时,降低喷头移动速度并增大喷涂间距;表层主导阶段检测到液体可流动堆积时,提高喷头移动速度、减少单次喷涂量并插入吹扫间隔;将两阶段调整动作时序拼接生成连续指令控制喷涂设备执行。本发明能够自主判定底层或表层主导阶段,针对铺展停滞或可流动堆积分别执行差异化调整,消除层级结构冲突,提升催化层致密性与制氢效率。

SOFC/SOEC METHOD FOR MANUFACTURING SOFC/SOEC BI-DIRECTIONAL CELL FUEL ELECTRODE AND THE FUEL ELECTRODE THEREOF

NºPublicación:  KR20260130091A 28/08/2026
Solicitante: 
GANGNEUNG WONJU NAT UNIV IND ACAD COOP GROUP [KR]
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KR_20260130091_PA

Resumen de: KR20260130091A

0001a 본 발명은 SOFC/SOEC 양방향 셀용 연료극 및 그 제조방법에 관한 것으로, 더욱 상세하게는 이트리아 안정화 지르코니아(YSZ), NiO, 및 기공 형성제를 특정 비율로 포함하는 연료극 구조 및 이의 제조를 위한 슬러리 조성과 제조방법에 관한 것이다. 본 발명은 SOFC/SOEC 양방향 셀용 연료극에 있어서, 이트리아 안정화 지르코니아(YSZ), NiO, 및 기공 형성제를 포함하고, 상기 NiO, YSZ, 및 기공 형성제의 중량비이 NiO 50 내지 70중량부, YSZ 30 내지 50중량부, 캠핀 5 내지 15중량부인 것을 특징으로 하는 연료극을 제공한다.

自支撑NiFe LDH析氧电极的低温脉冲电沉积制备方法及其应用

NºPublicación:  CN122649050A 28/08/2026
Solicitante: 
电子科技大学
CN_122649050_PA

Resumen de: CN122649050A

本发明公开了自支撑NiFe LDH析氧电极的低温脉冲电沉积制备方法及其应用,属于电催化材料技术领域,具体为:配制溶有镍盐、亚铁盐和甲酰胺的沉积液,以导电基底为工作电极,置于2~6 ℃的沉积液中进行双电位脉冲电沉积,经洗涤和真空干燥,得到原位生长于导电基底表面的NiFe LDH纳米片阵列,形成均匀致密的自支撑NiFe LDH析氧电极。本发明通过低温环境控制和脉冲电沉积的协同调控策略,使催化剂兼具高电化学活性面积和高机械稳定性,进而显著提升OER表观电流密度和催化长时稳定性。

基于雷尼镍多孔骨架结构协同电沉积与电活化的催化剂制备方法

NºPublicación:  CN122649005A 28/08/2026
Solicitante: 
青骐骥中能(江苏苏州)氢能源科技有限公司
CN_122649005_PA

Resumen de: CN122649005A

本发明公开了一种基于雷尼镍多孔骨架结构协同电沉积与电活化的催化剂制备方法,采用机械热处理技术在镍网表面形成镍铝合金层,在碱液中进行化学活化处理,使铝元素选择性溶出,从而构建雷尼镍多孔骨架结构;然后,通过电沉积技术在镍网表面构建镍铁钼铜多元金属活性催化层;最后,将所得镍基催化剂置于含磷碱性电解液中进行电活化处理,诱导镍网表面的多元金属活性催化层发生原位结构重构及表面化学态转变,进一步提升其电极催化性能,在碱性电解水制氢领域极具应用潜力。

一种非对称CoRu双单原子催化剂及其制备方法与应用

NºPublicación:  CN122649009A 28/08/2026
Solicitante: 
中国科学院上海高等研究院
CN_122649009_PA

Resumen de: CN122649009A

本发明公开一种非对称CoRu双单原子催化剂及其制备方法与应用。所述催化剂包括氮掺杂碳基底以及原子级分散锚定于所述氮掺杂碳基底上的Co活性位点与Ru活性位点;所述Co活性位点、Ru活性位点相互耦合形成低配位非对称Co‑Ru双单原子活性中心。该结构突破传统对称M‑N4配位构型对电子调控的限制,在低钌负载条件下大幅提升贵金属原子利用率,于1 M KOH碱性体系中10mA/cm2电流密度下析氢过电位仅8 mV,且可在100mA/cm2大电流下稳定运行1000 h无明显性能衰减,制备工艺简便,可作为电解水制氢阴极催化材料规模化应用。

Improved catalytic reactor system and catalyst for conversion of captured co2 and renewable h2 into low-carbon syngas

NºPublicación:  NZ804904A 28/08/2026
Solicitante: 
INFINIUM TECH LLC
INFINIUM TECHNOLOGY LLC
AU_2022270020_PA

Resumen de: NZ804904A

The present invention describes an improved catalytic reactor system with an improved catalyst that transforms CO2 and low carbon H2 into low-carbon syngas with greater than an 80% CO2 conversion efficiency, resulting in the reduction of plant capital and operating costs compared to processes described in the current art. The inside surface of the adiabatic catalytic reactors is lined with an insulating, non-reactive surface which does not react with the syngas and effect catalyst performance. The improved catalyst is robust, has a high CO2 conversion efficiency, and exhibits little or no degradation in performance over long periods of operation. The low-carbon syngas is used to produce low-carbon fuels (e.g., diesel fuel, jet fuel, gasoline, kerosene, others), chemicals, and other products resulting in a significant reduction in greenhouse gas emissions compared to fossil fuel derived products.

Rotational Electrolysis Arrangement

NºPublicación:  US20260250856A1 27/08/2026
Solicitante: 
KARLSSON STIG ERIK SE YOUNG [SE]
KARLSSON Stig-Erik Se-Young
US_20260250856_A1

Resumen de: US20260250856A1

The present disclosure relates to an electrode for use as an anode or cathode for electrolysis of a liquid flowing along a flow direction. An electrolysis arrangement includes at least one such electrode and a method for performing electrolysis using the electrolysis arrangement. The electrolysis arrangement includes a cylindrical housing and a plurality of elongated electrodes each extending along a longitudinal direction parallel to the central axis. The plurality of electrodes is arranged in a concentric pattern around the central axis inside the cylindrical housing. The electrolysis arrangement also includes fluid actuating means for causing a rotational flow of a fluid around said central axis inside said inner volume of said cylindrical housing.

METHODS OF USING AND PREPARING METAL SULFIDE CATALYST

NºPublicación:  US20260250126A1 27/08/2026
Solicitante: 
SAUDI ARABIAN OIL CO [SA]
UNIV KING ABDULLAH SCI & TECH [SA]
Saudi Arabian Oil Company
King Abdullah University of Science and Technology
US_20260250126_A1

Resumen de: US20260250126A1

A method for converting hydrogen sulfide (H2S) to hydrogen (H2) and sulfur(S) includes contact a H2S-containing feed gas stream with a molybdenum disulfide (MoS2) catalyst at a temperature of about 500 to about 1000° C., thereby converting at least a portion of the H2S to H2 and S and producing a spent catalyst in-situ and a residue gas stream leaving the reactor. A method for preparing the MoS2 catalyst in the form of a flower-like nanosheet microsphere. A method for preparing the MoS2 catalyst in the form of a nanosheet.

TITANIUM-BASED PLATINUM-NICKEL ELECTRODE MATERIALS, PREPARATION METHODS, AND APPLICATIONS THEREOF

NºPublicación:  US20260250867A1 27/08/2026
Solicitante: 
ZHEJIANG YIPAI TECH CO LTD [CN]
ZHEJIANG YIPAI TECHNOLOGY CO., LTD.
US_20260250867_A1

Resumen de: US20260250867A1

The present disclosure relates to the technical field of electrode materials and provides a titanium-based platinum-nickel electrode material, a preparation method, and an application thereof. The method includes: performing a first anodic oxidation and a second anodic oxidation sequentially on a titanium sheet in an ammonium fluoride solution to obtain an oxidized titanium sheet; performing calcination on the oxidized titanium sheet to obtain a titanium sheet containing a titanium dioxide layer; and performing electrodeposition on the titanium sheet containing the titanium dioxide layer in a platinum-based electrolyte to obtain the titanium-based platinum-nickel electrode material. The prepared titanium-based platinum-nickel electrode material effectively reduces the usage amount of Pt-based precious metals and can maintain high activity and stability to generate hydrogen peroxide on-line under the neutral condition; its cathode current density efficiency reaches 76.40%, the anode current density efficiency reaches 70.23%, and the bilayer capacitance value is 1.33 mF·cm−2, which is 4.2 times the bilayer capacitance value of the titanium-based platinum-nickel electrode material obtained without anodic oxidation, and has a very good industrial application prospect.

AMMONIA DECOMPOSITION REACTOR HAVING FUNCTION OF PREHEATING AMMONIA GAS

NºPublicación:  US20260249262A1 27/08/2026
Solicitante: 
FUZHOU UNIV [CN]
FZU ZIJIN HYDROGEN POWER TECH CO LTD [CN]
FUZHOU UNIVERSITY
FZU ZIJIN HYDROGEN POWER TECHNOLOGY CO., LTD
US_20260249262_A1

Resumen de: US20260249262A1

0000 An ammonia decomposition reactor having a function of preheating ammonia gas, including a heat exchanger body and a reactor body enveloped externally by the heat exchanger body. A heat-exchange tube on the heat exchanger body is provided in a heat-exchange shell, one end is in communication with an ammonia gas heat-exchange inlet, and the other end is in communication with an ammonia gas heat-exchange outlet. A heat medium inlet and A heat medium outlet are individually connected to the heat-exchange shell. A catalyst tube is provided in a reaction shell. An ammonia gas heat-exchange outlet on the heat exchanger body is in communicated with an ammonia gas inlet on the reactor body, an ammonia gas inlet is communicated with an ammonia-gas-decomposition-gas outlet by a catalyst tube, and the ammonia-gas-decomposition-gas outlet is communicated with a heat medium inlet on the heat exchanger body.

PROCESS OF MANUFACTURING AN ELECTROCATALYST FOR ALKALINE WATER ELECTROLYSIS

Nº publicación: US20260250866A1 27/08/2026

Solicitante:

TATA STEEL NEDERLAND TECH B V [NL]
TATA STEEL NEDERLAND TECHNOLOGY B.V.

US_20260250866_A1

Resumen de: US20260250866A1

0000 Process of manufacturing an electrocatalyst for alkaline water electrolysis including: (i) producing an aqueous electrolyte including suspended graphene and graphite nanoplatelet structures having thickness of <100 nm in an electrochemical cell including a negative graphitic electrode, a positive graphitic electrode, an aqueous electrolyte including ions in a solvent, the ions including cations, including sulphate ions, and anions, wherein current passes through the cell to obtain exfoliated graphene and graphite nanoplatelet structures in the aqueous electrolyte in an amount of more than 5 g/l. (ii) Composing an electroplating bath including the suspended graphene and graphite nanoplatelet structures in an amount of more than 2 g/l, the electroplating bath including an aqueous solution of nickel sulphate and the aqueous electrolyte of step (i). (iii) Electrodepositing from the electroplating bath a combined layer of Ni or Ni-alloy and graphene and graphite particles on a carrier to form electrocatalyst.

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