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1048
results.
Updated on
29/06/2025 [07:02:00]
Results 475 to 500 of 1048
Absstract of: CN120022907A
一种核壳结构的长余辉@硫铟化锌复合光催化材料和制备方法及其应用，具体公开了一种核壳结构的PLNPs@ZIS复合光催化材料，其中，核为长余辉纳米颗粒(PLNPs)，壳为硫铟化锌纳米片(ZIS)，化学式为(x)Zn2SiO4:Ga3+@(y)ZnIn2S4，1≤x≤16，15≤y≤30。该复合材料采取溶剂热法制备，先合成单独的PLNPs，将PLNPs充分分散后与ZIS的前驱体混合均匀，经溶剂热反应原位生长形成核壳结构的PLNPs@ZIS复合材料。本发明制备的复合光催化材料具有良好的吸附性和氧化还原能力，表现出良好的光催化制氢性能，在能源领域具有良好的应用前景。
Absstract of: CN120026358A
本发明公开了一种Bi2SiO5/碳泡沫复合光电催化材料及其制备方法及应用，首先制备Bi2SiO5粉体，再将Bi2SiO5粉体、异丙醇溶液、聚苯醌溶液和碘单质按例比配制成Bi2SiO5前驱体溶液，将预处理后的碳泡沫基底置于水热电泳沉积仪的负极，将Bi2SiO5前驱体溶液置入沉积，在15～30V电压下沉积1～20min，之后关闭设备，取出碳泡沫基底，干燥后即可得到所需的Bi2SiO5/碳泡沫光电催化剂；该材料具有良好的光吸收和优异的电导性，大幅度提高了光电催化水裂解的效率，解决了Bi2SiO5纯相电导率低的问题，突破了自身材料限制，具有优异的光电催化前景；碳泡沫材料的一体式光电极比传统的光电极更加稳定，具有广泛的适应性，可以长时间稳定工作，过程易控，工艺简单、周期短、能耗低。
Absstract of: CN120023948A
本申请公开了一种制氢电解槽用密封垫矫正装置及矫正方法，密封垫矫正装置用于将处于变形状态的密封垫矫正为标准状态，密封垫上具有多个通孔，矫正装置包括环座、筒体、多个定位柱和压环，环座具有相对设置的第一侧面与第二侧面；筒体固定于第一侧面背离第二侧面的一侧，筒体的轴向与环座的轴向重合；多个定位柱均设置于第一侧面背离第二侧面的一侧且绕环座的轴向环绕分布于筒体的外周，定位柱沿环座的轴向延伸；压环套设于筒体的外周且具有沿环座的轴向滑动的自由度，压环上设置有多个定位孔，其中，多个定位柱一一对应地穿过多个定位孔。本申请可以将处于变形状态的密封垫矫正为标准状态，使密封垫可以重复利用。
Absstract of: CN120026352A
本发明属于无机先进纳米材料技术领域，具体涉及一种铁掺杂的钼酸盐纳米复合材料及其制备与电催化碱性盐水析氧的方法。所述铁掺杂的钼酸盐纳米材料包含：导电基底、生长或涂覆在所述导电基底表面的铁掺杂的钼酸盐纳米材料。本发明首次应用非贵金属掺杂且拥有高活性的铁掺杂的钼酸盐纳米材料。本发明首次应用铁掺杂的钼酸盐纳米材料作为海水电解阳极催化剂。该催化剂主要通过包覆在阳极上的钼酸铁保护性物质以及钼酸盐转变为活性物质——羟基氧化物时释放的钼酸盐，两者协同作用达到抵御卤素离子的排斥效果；并且由于铁的掺入，改善单一钼酸盐的电子结构，使得其有卓越的活性。
Absstract of: KR20250072185A
본 발명은 수전해 시스템에 관한 것으로서, 본 발명에 따른 수전해 시스템은 단위셀 및 분리판이 적층된 구조로 이루어지며 물의 전기분해 반응으로 수소를 생산하는 수전해 스택, 상기 수전해 스택에 공급되는 물 및 전기분해 과정에서 생성된 물이 순환하는 순환라인, 상기 순환라인에 형성되어 외부로부터 공급되는 물을 저장하는 물 저장탱크, 상기 물 저장탱크로부터 상기 수전해 스택으로 공급되는 물의 유량을 측정하는 유량계 및 상기 수전해 스택의 작동 사이클에 있어서, 상기 물 저장탱크의 유량 변화와 상기 유량계로 측정되는 유량을 비교하여 상기 유량계의 고장 여부를 실시간으로 감지하는 유량계 고장 실시간 판단부를 포함하는 것을 특징으로 한다.
Absstract of: KR20250072016A
본원 발명은 다공성 수송층 일체형 전극 및 이를 포함하는 음이온 교환막 수전해 장치에 대한 것으로, 보다 구체적으로는 전극에 사용할 수 있는 활성 물질로 다공성 전극을 제조함으로써 별도의 다공성 수송층(porous transport layer: PTL)이 필요하지 않고, 전극 및 다공성 수송층(PTL)으로 동시 활용이 가능한 다공성 수송층 일체형 전극 및 이를 포함하는 음이온 교환막 수전해 장치에 대한 것이다. 본원 발명에 따르면 기존 방법과 달리 전극층과 다공성 수송층(Porous Transport Layer; PTL)을 일체화함으로서 전체 음이온 교환막 수전해 장치의 제조 공정을 단순화할 뿐 아니라 성능 및 내구성을 향상시킬 수 있는 큰 장점이 있다.
Absstract of: CN120026364A
本发明属于电化学双功能全解水催化剂材料技术领域，具体涉及一种双功能硼掺杂钼钴微米球全解水催化剂及其制备方法和应用，将七钼酸铵和四水合乙酸钴按照一定的摩尔比在少量硫酸和硼酸柠檬酸钠体系中溶解于水中，恒温加热至透明液体，以泡沫镍作为工作电极，铂片和Ag/AgCl电极作为对电极和参比电极，电流密度为‑300～‑200mA cm‑2，在20‑50℃下沉积10‑30分钟，电沉积完成后，用去离子水冲洗泡沫镍表面，真空干燥得到负载在泡沫镍上的黑色微米球硼掺杂MoCo材料。本发明制备的催化剂具有低成本，无毒且高化学活性和稳定性的特点，表现出高的析氢析氧活性和低的过电位。
Absstract of: US2025163594A1
An electrolyzer system includes stacks of electrolyzer cells configured receive steam and air, and output a hydrogen product stream and an oxygen exhaust stream, and a first heat pump configured to extract heat from the oxygen exhaust stream to generate a first portion of the steam provided to the stacks.
Absstract of: WO2025103570A1
A method of producing hydrogen by reacting silicon powder and water, comprises providing water in a reactor (120), providing loose silicon powder in the reactor (120), dispersing the silicon powder in the water in the reactor (120), and5 collecting hydrogen gas from the reactor (120). The silicon powder is provided as a plurality of silicon doses, each silicon dose comprising a predetermined amount of the silicon powder. The disclosure provides methods systems and energy carriers which are suitable in the context of production of hydrogen by reacting silicon powder and10 water. (Fig. 1) 15
Absstract of: US2025163586A1
The invention relates to a method for operating an electrolysis plant having an electrolyser for generating hydrogen (H2) and oxygen (O2) as product gases, with water being supplied as starting material and being split at a proton-permeable membrane into hydrogen (H2) and oxygen (O2), a product gas stream being formed in a phase mixture comprising water (H2O) and a relevant product gas, and a product gas stream being supplied to a gas separator arranged downstream of the electrolyser, characterized in that the fluoride release of the membrane is determined on the basis of the operating time, the temporal progression of the fluoride concentration being ascertained, with a measure for the operation-induced degradation of the proton-permeable membrane being ascertained as the result of a release of fluoride. The invention furthermore relates to a corresponding electrolysis plant and to a measuring device for carrying out the method.
Absstract of: US2025163830A1
An energy storage system converts variable renewable electricity (VRE) to continuous heat at over 1000° C. Intermittent electrical energy heats a solid medium. Heat from the solid medium is delivered continuously on demand. An array of bricks incorporating internal radiation cavities is directly heated by thermal radiation. The cavities facilitate rapid, uniform heating via reradiation. Heat delivery via flowing gas establishes a thermocline which maintains high outlet temperature throughout discharge. Gas flows through structured pathways within the array, delivering heat which may be used for processes including calcination, hydrogen electrolysis, steam generation, and thermal power generation and cogeneration. Groups of thermal storage arrays may be controlled and operated at high temperatures without thermal runaway via deep-discharge sequencing. Forecast-based control enables continuous, year-round heat supply using current and advance information of weather and VRE availability. High-voltage DC power conversion and distribution circuitry improves the efficiency of VRE power transfer into the system.
Absstract of: US2025163587A1
An electrolyzer or unitized regenerative fuel cell has a flow field with at least one channel, wherein the cross-sectional area of the channel varies along at least a portion of the channel length. In some embodiments the channel width decreases along at least a portion of the length of the channel according to a natural exponential function. The use of this type of improved flow field channel can improve performance and efficiency of operation of the electrolyzer device.
Absstract of: US2025163592A1
A wind-powered electrolysis arrangement is provided including a plurality of wind turbines of an offshore wind park; a distributed electrolyzer plant including a plurality of electrolyzers, wherein each electrolyzer is arranged on a wind turbine platform; a balance of plant of the distributed electrolyzer plant, installed on a main platform in the wind park; and a plurality of product pipelines, wherein each product pipeline is arranged to convey a number of products between the balance of plant and a distributed electrolyzer. A method of operating such a wind-powered electrolysis arrangement is also provided.
Absstract of: US2025163596A1
Provided is an electrolyzer power control system that includes a reactive harmonic current reference generation stage. The reactive harmonic current reference generation stage selects a reactive power set point for reactive power drawn by a rectifier from a grid, determines a reactive power current reference based on the reactive power set point, aggregates the reactive power current reference with a reference current of harmonic currents that the rectifier injects in or draws from the grid, determines a reactive harmonic current reference that compensates for both the reactive power and the harmonic currents and outputs the reactive harmonic current reference. Switching signals that operate the rectifier are generated based on the reactive harmonic current reference.
Absstract of: US2025167271A1
An integrated energy system comprising a power plant including at least one nuclear reactor and electrical power generation system, the at least one nuclear reactor being configured to generate steam, and the electrical power generation system being configured to generate electricity, a desalination system configured to receive at least a portion of the electricity and steam to produce brine, an electrolysis process configured to process the brine into Sodium Hydroxide (NaOH), a Sodium Formate (HCOONa) production process configured to receive the Sodium Hydroxide (NaOH) to produce Sodium Formate (HCOONa), a Hydrogen (H2) extraction reactor configured to receive the Sodium Formate (HCOONa) and produce Hydrogen (H2), and a fuel cell configured to receive the Hydrogen (H2).
Absstract of: WO2025106146A2
One embodiment is directed to an integrated energy storage and distribution system, comprising: an electrolysis module configured to utilize intake electricity and intake water to output hydrogen gas, oxygen, and surplus water; a metal hydride hydrogen storage module configured to controllably store, or alternatively release, hydrogen gas; a fuel cell module configured to controllably intake hydrogen gas and output electricity and water vapor; and a computing system operatively coupled to the electrolysis module, storage module, and fuel cell module and configured to coordinate operation of these modules relative to each other; wherein the electrolysis, storage, and fuel cell modules are thermally coupled such that heat energy released from one or more modules which may be at least transiently exothermic may be utilized by one or modules which may be at least transiently endothermic.
Absstract of: WO2025105885A1
A membrane-electrode assembly includes a first catalyst electrode, a polymer electrolyte membrane covering a side surface and an upper surface of the first catalyst electrode, and a second catalyst electrode disposed on the polymer electrolyte membrane, in which at least a portion of a corner area in which the side surface and the upper surface of the first catalyst electrode are connected has a curved shape.
Absstract of: WO2025105611A1
The present invention relates to a proton conducting electrolyte powder, an electrolyte membrane, and a preparation method thereof. Specifically, the present invention relates to a heterophasic BCZYYb proton conducting electrolyte powder obtained using low-temperature solid synthesis at 1000 to 1200°C, a proton conducting electrolyte membrane with a monophasic BCZYYb (Ba,Ce,Zr,Y,Yb) composition prepared by sintering the proton conducting electrolyte powder at 1300 to 1500°C, and a preparation method of the proton conducting electrolyte membrane, comprising calcining and sintering at the temperature.
Absstract of: WO2025105600A1
According to one embodiment of the present invention, a hierarchical porous transport layer comprises: a first porous layer which has first pores and which is formed of first particles or fibers; a second porous layer which includes second pores having an average size smaller than that of the first pores and which is formed of second particles or fibers on the first porous layer; and an intermediate layer which is formed between the first porous layer and the second porous layer, and in which the first particles or fibers and the second particles or fibers are mixed and thermally bonded to each other.
Absstract of: WO2025104825A1
This electrolysis cell (10) is provided with: a support substrate (12) that has a first through hole (40a); and a hydrogen electrode collector layer (13) that has a first embedded part (70a) which is embedded in the first through hole (40a). A first layered part (80) includes a first gap (81) that is in contact with a first surface (T1) of the support substrate (12), the first surface being on the hydrogen electrode active layer (14) side. The first embedded part (70a) includes a first gap (71a) that is in contact with the inner peripheral surface (T1) of the first through hole (40a). The first gap (71a) extends along the thickness direction of the support substrate (12).
Absstract of: WO2025105666A1
The present invention relates to an apparatus for manufacturing a water electrolysis membrane and method for manufacturing a water electrolysis membrane using same, and can provide a water electrolysis membrane having excellent physical properties, such as low sheet resistance, low hydrogen permeability, and excellent durability, compared to conventional commercial membranes.
Absstract of: WO2025104823A1
An electrolytic cell device (1) is provided with a current collector member (25) and an electrolytic cell (10) that is electrically connected to the current collector member (25). The electrolytic cell (10) is provided with a hydrogen electrode current collector layer (13), a support substrate (12) that is embedded within the hydrogen electrode current collector layer (13) and has through-holes (40), and a hydrogen electrode active layer (14) disposed on the hydrogen electrode current collector layer (13). The current collector member (25) includes overlapping parts (25a) that overlap the through-holes (40) in a thickness direction, and non-overlapping parts (25b) that do not overlap the through-holes (40) in the thickness direction. The density of the overlapping parts (25a) is greater than the density of the non-overlapping parts (25b).
Absstract of: WO2025104826A1
In the present invention, an electrolysis cell (10) is provided with: a support substrate (12) having a through-hole (40); a hydrogen-pole current collector layer (13) having an embedded section (70) which is embedded in the through-hole (40), and a first layer section (80) continuous with the embedded section (70) and disposed above the support substrate (12); and a hydrogen-pole active layer (14) disposed above the hydrogen-pole current-collector layer (13). The first layer section (80) includes a void (81) that adjoins a first surface (T1) on the hydrogen-pole active layer (14) side of the support substrate (12).
Absstract of: WO2025104824A1
An electrolysis cell (10) is provided with: a support substrate (12) having a through hole (40); a hydrogen electrode current collector layer (13) having an embedded part (70) embedded in the through hole (40); a hydrogen electrode active layer (14) disposed on the hydrogen electrode current collector layer (13); an oxygen electrode layer (17); and an electrolyte layer (15) disposed between the hydrogen electrode active layer (14) and the oxygen electrode layer (17). The embedded part (70) includes a cavity (71a) that is in contact with a first end region (43) of an inner peripheral surface (41) of the through hole (40).
Nº publicación: WO2025103494A1 22/05/2025
Applicant:
CHINA PETROLEUM & CHEM CORP [CN]
SINOPEC BEIJING RES INSTITUTE OF CHEMICAL INDUSTRY CO LTD [CN]
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\u4E2D\u77F3\u5316\uFF08\u5317\u4EAC\uFF09\u5316\u5DE5\u7814\u7A76\u9662\u6709\u9650\u516C\u53F8
Absstract of: WO2025103494A1
The present invention relates to the field of water electrolysis and hydrogen production. Disclosed is a carbon nanotube-supported nitrogen-doped catalyst. The catalyst has a carbon nanotube structure as a support, and cobalt and ruthenium as active components, wherein the content of the cobalt element is 30-45w%, the content of the ruthenium element is 1-7wt%, and the proportion of the ruthenium element present in the form of RuN is 60-90wt% relative to the total ruthenium element. A graphitized structure of the catalyst is conducive to charge conduction, Ru is uniformly loaded on the surface of the support by means of a low-temperature reduction process and interaction with defect sites on the surface of the support, and then after high-temperature roasting, Ru interacts with the N element and the metal Co, thereby improving the hydrogen evolution catalytic activity of the catalyst.
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