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656
results.
Updated on
02/09/2024 [07:13:00]
Results 425 to 450 of 656
Absstract of: KR20240112566A
본 발명은 환경오염 및 탄소배출 없는 친환경에너지 생성장치를 얻기 위한 것인 바, 산소 및 수소 발생기를 내부에 설치하고 직류전원을 연결한 물 전기분해용 전해조; 도체성 전극봉으로 사용되는 양극판재와 음극판재로 이루어져 있고, 판재 본체의 한쪽 모서리에 결합돌출변이 형성되어 있으며, 각 결합돌출변에 연결홀이 형성되어 있고, 다수개의 양극판재와 음극판재가 상하 방향으로 교차로 배열된 상태로 연결되어 있으며, 다수개 연결된 양극판재에는 양극봉이 연결되고 다수개 연결된 음극판재에는 음극봉이 연결된 상태로 상기 전해조 내부에 내장되어 있는 상하 전극판 결합체; 상기 전해조의 내부에서 발생되는 산소와 수수가 혼합된 상태에서 외부로 배출되도록 전해조의 상단쪽에 형성된 수소배출구; 상기 수소배출구에서 수소이송파이프를 통과하여 수소가 정제될 수 있도록 전해조의 한쪽 측면에 설치된 수소정제부; 상기 수소정제부(70)의 상단쪽에 형성된 수소배출구; 상기 전해조의 상단쪽에 형성된 물공급부;로 이루어진 매우 유용한 친환경에너지를 생성할 수 있는 매우 유용한 발명인 것이다.
Absstract of: AU2022310032A1
A system for hydrogen recovery includes a dryer having an inlet that may be fluidly connected to a hydrogen outlet of a hydrogen generator, a hydrogen using device having an inlet fluidly connected to a dry hydrogen outlet of the dryer, and one or more conduits fluidly connecting a wet hydrogen outlet from the dryer and an impure hydrogen exhaust outlet of the hydrogen using device to the inlet of the dryer.
Absstract of: CN117545875A
A method of producing hydrogen is discussed herein, comprising: introducing a first stream comprising a fuel to an electrochemical (EC) reactor having a mixed conductive membrane; introducing a second stream comprising water to the reactor; reducing the water in the second stream to produce hydrogen; and recycling at least a portion of the generated hydrogen to the first stream, wherein the membrane comprises an electronically conductive phase and an ionically conductive phase; and wherein the first stream and the second stream are not in contact with each other in the reactor.
Absstract of: AU2022372236A1
A method of fabricating a catalyst on a substrate comprising: providing a substrate having a layer of metal thereon; and contacting the layer of metal with a corrosive solution to form the catalyst.
Absstract of: CA3240119A1
The invention relates to a method for assembling and/or disassembling alkaline electrolyzer units (101, 101a, 101b, 401, 401a, 401b, 401c, 401d, 401e) of a hydrogen producing plant (500). The method comprises: providing (S101) an industrial robot system (300) comprising a controller (18) having robot functionality, and a plurality of robots (10, 310, 310a, 310b); transporting (S103) the plurality of robots to a plurality of electrolyzer unit sites (20a, 20b, 520, 520a, 520x), assembling (S107) the alkaline electrolyzer units at the electrolyzer unit sites by the plurality of robots executing assembly instructions comprised in the controller, and/or disassembling (S109) at least one of the alkaline electrolyzer units at an electrolyzer unit site by at least one of the plurality of robots executing disassembly instructions comprised in the controller.
Absstract of: AU2022407572A1
The present invention relates to a method for handling particulate metal and in particular for transporting energy over great distances, comprising the following steps: 1a) Providing particulate metal to a pretreatment unit (1) at a first location, 1b) Pretreating the particulate metal in the pretreatment unit (1) with a pretreatment agent (2) to produce pretreated particulate metal, 2a) Transferring the pretreated particulate metal from the pretreatment unit to at least one transportation vessel (3), 2b) Transporting the pretreated particulate metal with the at least one transportation vessel (3 ) to a second location, 3a) Transferring the pretreated particulate metal at the second location to a treatment system (4), 3b) Processing the pretreated particulate metal in the treatment system (4).
Absstract of: AU2022366812A1
A control system for operating a modular arrangement of electrolysis cells under variable input voltage conditions, such as those from renewable energy sources, to optimize operation by reducing under and over potential of cells. Energy supply and electrolyte flow to cells or groups of cells is interrupted or resumed in response to available electrical potential and the optimal electrical potential required by active cells.
Absstract of: CN118360603A
本申请公开了一种用于氨分解的耐腐蚀涂层、制备方法和氨分解反应器，按照所述用于氨分解的耐腐蚀涂层的质量份计，用于氨分解的耐腐蚀涂层包括15份～25份氧化锆、15份～25份二硅化铌、45份～60份金属单质和5份～10份的粘结剂；粘结剂为聚乙烯醇或者聚二乙烯；用于氨分解的耐腐蚀涂层为颗粒结构，用于氨分解的耐腐蚀涂层的粒度范围为15～45微米。该用于氨分解的耐腐蚀涂层同时具有耐腐蚀和耐高温特点，能够同时满足氨气分解高温和强腐蚀的制备环境，同时还具有良好的导热性能，有利于氨气的受热分解；同时涂层结构更加紧密，提高了涂层的机械强度，进而提高了涂层的使用寿命以及对反应器的保护效果。
Absstract of: CN118360624A
本发明提供了一种家庭废水直接电解制氢系统，包括进水区域、过滤及氧化降解区域、电解区域，电解区域用于安放电解模块，过滤及氧化降解区域用于安放过滤及氧化降解模块，各区域集成式安装在箱体内；其模块化、结构化的将过滤——氧化降解——相变转移——电解的过程集成在箱体内，可以直接用于生活废水的电解制氢，电解性能稳定、效率高，既能够合理经济的处理废水，又可以持续高效的制取氢气，为非临海的内陆地区经济发展提供能源助力。
Absstract of: CN118356948A
一种富含硫缺陷的硫化镉光催化剂的制备方法，将硝酸镉、偏钒酸钠、溴代十六烷基吡啶混合均匀后加入氨水和去离子水搅拌均匀后再加入硫代乙酰胺得溶液A；将溶液A在均相反应仪中加热变质反应后自然冷却到室温，然后将溶液经水和乙醇交替抽滤后收集产物，得到粉末状CdS/VS2；将CdS/VS2加入蒸馏水得溶液B；向溶液B中加入Na2SO3和Na2S边搅拌边用300W氙灯照射35‑50h将溶液倒出，经过水和乙醇交替抽滤后收集产物干燥后倒入研钵中研磨为粉末状的富含硫缺陷的硫化镉光催化剂。所制得的产物作为光解水产氢材料时能够表现出良好的光化学性能，在氩灯的照射下，至少可保持100h稳定性。
Absstract of: CN116180149A
The invention relates to the related technical field of alkaline hydrogen production electrolytic cells, and discloses a method for improving the hydrogen evolution efficiency of an alkaline hydrogen production electrolytic cell, the alkaline hydrogen production electrolytic cell and a polar plate are included, the polar plate is arranged in the middle of the electrolytic cell, and a plurality of specially-made anti-explosion ultrasonic generators are used for generating the hydrogen evolution efficiency of the alkaline hydrogen production electrolytic cell on the basis of the current alkaline hydrogen production electrolytic cell. A specific vibration field is constructed, and bubbles on the electrode are vibrated and stripped by utilizing high-frequency ultrasonic vibration, so that the working efficiency of the electrolytic bath is improved; the vibration field is divided into a synchronous vibration field and an intermittent vibration field, the synchronous vibration field knocks the two sides of the polar plate at the same time to enable all bubbles in the vibration field to be rapidly separated from the polar plate, and the intermittent vibration field knocks the two sides of the polar plate intermittently to enable all bubbles in the vibration field to be rapidly separated from the polar plate; the pole plates are arranged to be the cavity electrode plates, and when the explosion-proof ultrasonic generators form a vibration field completely covering the alkaline hydrog
Absstract of: AU2022407667A1
The present invention relates to a wellbore reactor comprising a reaction chamber surrounded by a jacket, said reaction chamber comprises at least one carbon dioxide-inlet (CO
Absstract of: CN118360630A
本发明涉及一种硼酸镍钒修饰钒酸铋光电极及其制备方法和应用，属于光电化学分解水制氢应用领域。本发明通过电沉积得到BiVO4光阳极，再配置含有Fe和Ni源的咪唑有机物水溶液，形成双金属咪唑有机框架化合物Ni‑Fe‑ZIF前驱体溶液；将BiVO4光阳极浸入上述溶液中一定时间，通过静电吸附作用制备Ni‑Fe‑ZIF/BiVO4电极，放入烘箱中干燥；然后将烘干后的样品放入马弗炉中加热并保温一定时间得到镍铁氧化物/钒酸铋(FeNiOx/BiVO4)复合光电阳极。本发明的方法操作简便、原料易得、成本低、稳定性良好；本发明制备的最佳FeNiOx/BiVO4复合光电阳极的光电流密度是纯相BiVO4光电阳极的4倍。
Absstract of: CN118360617A
一种室温合成的钼掺杂镍铁羟基氧化物自支撑电极的制备方法及其在电催化析氧中的应用，它涉及一种自支撑电极的制备方法及其在电催化析氧中的应用。本发明为了避免催化剂实际生产过程中的高温高压过程，降本增效，更贴近工业生产，而提供本发明技术方案。方法：一、泡沫镍的预处理；二、将水合磷钼酸和六水合三氯化铁溶解到去离子水中，再加入质量分数为30％的过氧化氢，搅拌形成均匀的混合溶液；三、将预处理后的泡沫镍浸入到混合溶液中反应一段时间，取出，干燥，得到钼掺杂镍铁羟基氧化物自支撑电极。钼掺杂镍铁羟基氧化物自支撑电极用于电催化分解水制氧。本发明可获得一种钼掺杂镍铁羟基氧化物自支撑电极。
Absstract of: WO2024152782A1
A hydrogen generating device having an extractable filtering structure, comprising a water tank, an electrolytic cell arranged in the water tank, a filtering flow channel device coupled to the water tank, a humidifier vertically stacked above the water tank, an integrated flow channel device vertically stacked above the humidifier, and a condenser arranged above the integrated flow channel device. The water tank is used for containing electrolysis water; the electrolytic cell electrolyzes the electrolysis water to generate hydrogen-containing gas; the humidifier is provided with a humidifying chamber and a gas transmission passage, the humidifying chamber and the gas transmission passage being isolated from each other; the filtering flow channel device is arranged in the gas transmission passage and used for filtering the hydrogen-containing gas generated by the electrolytic cell; the condenser is used for receiving and condensing the hydrogen-containing gas output by the filtering flow channel device; the integrated flow channel device comprises a gas inflow flow channel, which is used for introducing the hydrogen-containing gas output by the condenser to the humidifying chamber. Therefore, the present invention improves the convenience and the mounting efficiency, and can effectively increase the condensation and filtering efficiency.
Absstract of: AU2022368740A1
Methods and systems for splitting one or more of water and carbon dioxide are disclosed. Exemplary methods can operate under substantially isothermal conditions. The methods can include use of a material including two or more spinel phases in a solid solution. The solid solution can include oxygen, aluminum, and one or more transition metals.
Absstract of: US2024240337A1
Provided is a water electrolysis system that obtains hydrogen by water electrolysis with a water electrolysis cell, the water electrolysis system including a water electrolysis stack having a plurality of the water electrolysis cells, a water supply side passage that supplies water to the water electrolysis stack, a hydrogen side passage that discharges the hydrogen obtained in the water electrolysis stack from the water electrolysis stack, a plurality of voltage sensors that measures voltages for the respective water electrolysis cells or for each group of the water electrolysis cells, and a control device configured to acquire a voltage from each of the voltage sensors, determine whether the voltage is lower than a predetermined value and notify the water electrolysis cell has a failure when it is determined that the voltage is lower than a predetermined value.
Absstract of: CN117693609A
The present disclosure relates to a catalyst sheet, in particular a catalyst sheet for a proton exchange membrane water electrolyzer or an anion exchange membrane water electrolyzer, comprising a substrate sheet and a deposited catalyst material wherein the substrate sheet is porous and electrically conductive; the invention also relates to an electrolyzer comprising the catalyst sheet, a hydrogen production method and a manufacturing method.
Absstract of: US2024229269A1
Provided is a water electrolysis system that obtains hydrogen by water electrolysis with a water electrolysis cell including a water electrolysis stack having a plurality of the water electrolysis cells, a water supply side passage for supplying water to the water electrolysis stack, a hydrogen side passage for discharging the hydrogen obtained in the water electrolysis stack, a plurality of voltage sensors for measuring voltages for the respective water electrolysis cells or for each group of the water electrolysis cells, and a control device, where the control device is configured to acquire a voltage from each of the voltage sensors, determine whether the voltage is equal to or higher than a predetermined value and notify that an overvoltage has been generated when it is determined that the voltage is equal to or higher than the predetermined value.
Absstract of: WO2024149969A1
A process is described for synthesising hydrocarbons comprising the steps of: (a) feeding a gas mixture comprising hydrogen and carbon dioxide to a reverse water-gas shift unit to form a crude synthesis gas comprising hydrogen, carbon monoxide carbon dioxide and steam, (b) cooling the crude synthesis gas to condense water and removing water, and optionally carbon dioxide, from the crude synthesis gas to produce a feed stream comprising hydrogen and carbon monoxide, (c) passing the feed stream though a hydrocarbon synthesis unit comprising a reactor containing a Fischer-Tropsch catalyst to form a product stream comprising a mixture of liquid hydrocarbons, a co-produced water stream, and a tail gas stream containing hydrogen, carbon monoxide and gaseous hydrocarbons, and (d) upgrading the product stream in an upgrading unit to produce an upgraded product stream, wherein a naphtha stream is separated from the product stream or the upgraded product stream, at least a portion of the tail gas stream is fed with steam to a first derichment vessel containing a derichment catalyst to form a first gas mixture containing methane, at least a portion of the naphtha stream is fed with hydrogen and steam to a second derichment vessel containing a derichment catalyst to form a second gas mixture containing methane, and the first and second gas mixtures containing methane are fed to the reverse water gas shift unit. A system for performing the process is also provided.
Absstract of: WO2024148694A1
The present application discloses an MXene-loaded Pd-Ag bimetallic composite nanoparticle hydrogen evolution electrocatalyst, a preparation method therefor, and a use thereof. The electrocatalyst comprises: a conductive base and Pd-Ag bimetallic composite nanoparticles loaded on the conductive base. The mass ratio of Pd nanoparticles to the conductive base is (0.04-0.1):1, the mass ratio of Ag nanoparticles to the conductive base is (0.05-0.07):1, the mass ratio of the Pd nanoparticles to the Ag nanoparticles is 1:(0.5-1.7), and the conductive base is Ti3C2. The MXene-loaded Pd-Ag bimetallic composite nanoparticle hydrogen evolution electrocatalyst obtained according to the present application has excellent electrochemical stability. The Pd-Ag bimetallic composite nanoparticles are uniformly loaded on the conductive base. The electrocatalyst has good crystallinity, and the preparation method therefor is simple. Compared with commercially available Pd/C electrocatalysts, the electrocatalyst contains less Pd, the noble metal, and has high electrocatalytic activity.
Absstract of: WO2024148641A1
Disclosed in the present invention is a method for coupling of electrocatalytic biomass oxidation and green hydrogen production by magnetic field enhancement, comprising the following steps: soaking a metal substrate in a metal salt solution in contact with air, and obtaining a self-supporting precursor by means of natural corrosion; carrying out phosphating treatment on the self-supporting precursor in an inert gas atmosphere; carrying out surface electro-oxidation on the self-supporting precursor subjected to the phosphating treatment to obtain a magnetic field-responsive monolithic electrocatalyst; forming a double-electrode system by using the monolithic electrocatalyst as an anode and a cathode of an electrocatalytic coupling reaction, and adding an alkaline solution containing biomass into a diaphragmless electrolytic cell to serve as an electrolyte; applying a magnetic field around the anode and the cathode, the magnetic line of force of the magnetic field passing through the electrodes, the electrodes being immersed in the electrolyte, the anode being subjected to a biomass electrocatalytic oxidation reaction, and the cathode being subjected to a hydrogen evolution reaction. According to the present invention, production of hydrogen by electrolysis of water is coupled with biomass oxidation, and an external magnetic field is applied, such that the total reaction rate is increased, thereby improving the efficiency of producing hydrogen at the cathode and producing FDCA
Absstract of: WO2024152036A1
A method comprising generating process heat from hydrox. In some versions, hydrox comprises at least 10%, 50%, 60%, 70%, 90%, or 99% by volume or by weight of a material having a stoichiometric ratio of hydrogen gas and oxygen gas. The process sometimes further comprises a step of providing an electric hydrox generator (EOG) and some EOG comprise an electrolyzer to produce hydrox. Versions of the (hydrox generator) electrolyzer have two or more cells, some of which sometimes exhibit a variable resistance function. Depending upon the version, the variable resistance function is measured or controlled electrically, mechanically, or electro-mechanically. Similarly, in these or other versions the EOG operates using photovoltaic electricity, which sometimes comes from a group of modules (such as 100 or more modules) arranged flatly on the ground. In some versions of the EOG, the power path does not contain a device that functions to adjust the voltage of the electricity in the power path. The disclosed methods can combust hydrox such that the combustion exhaust has less than 1000 NOx ppb. In various versions the hydrox feeds a boiler, furnace, turbine, engine, or other device using fuel.
Absstract of: WO2024149219A1
Provided are an acid protease AGP, a preparation method therefor, and a use thereof. The method comprises: inserting a target gene into an expression vector to construct a recombinant plasmid; transforming the recombinant plasmid into competent cells, then adding isopropylthiogalactopyranoside to induce expression; and performing purification to obtain acid protease AGP from a protein the expression of which has been induced. The acid protease AGP has a wide range of enzyme cleavage sites, comprising aspartic acid (Asp), glutamic acid (Glu), phenylalanine (Phe), histidine (His), lysine ( Lys) etc., which are highly complementary to Pepsin enzyme cleavage sites. The length of the peptides produced by AGP digestion is shorter than that of the peptides produced by Pepsin. The acid protease AGP still maintains strong activity under acidic conditions (pH 2.5), low temperatures, and the presence of small amounts of denaturants and reducing agents.
Nº publicación: WO2024151803A1 18/07/2024
Applicant:
PLUG POWER INC [US]
PLUG POWER INC
Absstract of: WO2024151803A1
A catalyst includes a support and a plurality of catalyst particles disposed on the support. The support may include a plurality of metal oxide or doped metal oxide particles and a plurality of organic groups attached to the metal oxide or doped metal oxide particles via diazonium salt reaction. The plurality of organic groups, which may be aromatic groups and / or alkyl groups, may be substituted with functional groups that are positively or negatively charged.
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