126 results about "Hydrogen molecule" patented technology

A method for forming a high aspect ratio (HAR) structure during a HAR etch process, the method comprises sequentially or simultaneously exposing the substrate to a vapor of an etchant including one or more hydrofluorocarbon or fluorocarbon compounds or one or more hydrogen-containing molecules and an additive compound, the substrate having a film disposed thereon and a patterned mask layer disposed on the film; activating a plasma to produce activated one or more hydrofluorocarbon or fluorocarbon compounds or activated one or more hydrogen-containing molecules and an activated additive compound; and allowing an etching reaction to proceed between the film uncovered by the patterned mask layer and the activated hydrofluorocarbon or fluorocarbon compounds or the activated one or more hydrogen-containing molecules and the activated additive compound to selectively etch the film from the patterned mask layer, thereby forming the HAR patterned structure.

The invention relates to a preparation method of quartz glass for photoetching, and belongs to the technical field of quartz glass. The preparation method comprises the following steps: S1, carrying out silicon dioxide loose body deposition by adopting VAD deposition equipment; in the deposition process, the silicon dioxide loose body does autorotation motion and revolution motion; s2, sintering the silicon dioxide loose body by adopting a sintering furnace to obtain a quartz glass ingot; s3, carrying out thermal modification treatment on the quartz glass ingot by adopting a groove sinking furnace; S4, carrying out annealing treatment on the quartz glass ingot subjected to thermal modification by adopting an annealing furnace; and S5, carrying out hydrogen permeation treatment on the annealed quartz glass by adopting a hydrogen permeation furnace to obtain the quartz glass for photoetching. According to the preparation method, the density distribution is improved through a loose body deposition procedure, the problems existing in the aspects of uniformity and defect control in a normal-pressure sintering mode are solved by regulating and controlling the dehydration and impurity removal reaction rate, and uniform distribution of hydrogen molecules is achieved through sectional type hydrogen loading.

The application provides a method, an apparatus and a device for evaluating a dynamic diffusion of natural hydrogen in rock pores. The method includes: performing, at a target pressure and a target temperature, a simulation calculation of a natural hydrogen adsorption based on a pre-constructed pore model of a rock to be evaluated, and determining an average number of hydrogen molecules adsorbed in the rock pores when the natural hydrogen is saturated at the target pressure and the target temperature; determining a natural hydrogen content, based on lithologic parameters, the average number of hydrogen molecules, the target pressure and the target temperature; adding one or more preset gases to the pre-constructed pore model, determining a loss content of the natural hydrogen, and determining a diffusion coefficient of the natural hydrogen; determining a diffusion evaluation parameter, based on the natural hydrogen content, the loss content and the diffusion coefficient.

The present invention relates to a process for preparing carbon monoxide (CO) and molecular hydrogen (H2) from a textile material, processes for preparing valuable components using one or more of the prepared CO and H2, and a recycling unit for carrying out said process for preparing CO and H2 from a textile material.

Compositions of matter and methods of identifying and making compositions of matter are disclosed. Some embodiments disclose making and chemically and / or compositionally tuning superconducting hydride materials. Some embodiments disclose an apparatus for making and compositionally tuning superconducting materials. Some embodiments disclose a composition of matter including a solid hydride exhibiting superconductivity at a temperature of at least 150 kelvin at an ambient pressure below 180 gigapascals, or at a temperature of at least 261 kelvin. In one or more embodiments, the superconductor includes a covalent metal hydride having at least three different chemical elements wherein an inter-atomic distance between the hydrogen in the covalent metal hydride is in a range of 1.1-2 angstroms. In yet further examples, the superconductor is formed using molecular exchange and compression of a Van der Waals solid. In yet further examples, the superconductor comprises molecular hydrogen disposed in 1-dimensional channels. These and other embodiments are disclosed herein.

An apparatus includes a porous substrate and a multi-layer membrane. The porous substrate has a pore structure configured to allow diffusion of hydrogen molecules through the porous substrate. The multi-layer membrane is configured to, in response to contacting a hydrogen molecule present in the gas stream, split the hydrogen molecule into at least one of hydrogen atoms or protons. The multi-layer membrane is configured to allow passage of the hydrogen atoms or protons through the multi-layer membrane while blocking passage of compounds that may be present in the gas stream that are larger than hydrogen molecules. The hydrogen atoms or protons, after passing through the multi-layer membrane, combine to reform the hydrogen molecule. The multi-layer membrane includes a first metallic layer, an intermediate layer, and a second metallic layer.

A system and method of making hydrogen from water. A reaction vessel is provided with an outer shell, a central shaft, and concentric inner tubes separated by annular spaces. Water is delivered to the annular spaces by a water pump through an inlet defined in the reaction vessel. The water courses along a tortuous flow path. That path begins at an inner annular space around a central shaft. It ends at an outer annular space. The water emerges from the reaction vessel through an outlet associated with a manifold. A vibratory stimulus is applied to the reaction vessel and water. Water molecules are dissociated into hydrogen molecules and oxygen atoms. These reaction products are delivered through the manifold along an effluent flow path to a receiving pressure vessel before deployment to a sub-assembly for harnessing clean energy.

The invention discloses a core-shell type hydrogel hydrogen sensing particle based on a gasochromic effect. A shell layer of the core-shell type hydrogel particle is a catalyst layer, the catalyst layer is composed of a hydrogel compact network embedded with a hydrogen sensitive metal material, and the hydrogen sensitive metal material can decompose hydrogen molecules into hydrogen atoms; a core layer of the core-shell type hydrogel particle is a color changing layer, the color changing layer is composed of a hydrogel loose network embedded with a metal oxide semiconductor material, lattice cations in the metal oxide semiconductor material can react with hydrogen atoms, the valence state of metal oxide is changed, and then macroscopic color change is generated; therefore, effective sensing of hydrogen is realized. The hydrogen-sensitive metal material is embedded into a compact hydrogel network structure, so that the hydrogen-sensitive metal material is effectively prevented from being in direct contact with the external environment, and the environmental adaptability of the hydrogen sensor is remarkably enhanced.

A determination method determines whether or not target molecules including elemental hydrogen are electrolytic hydrogen-containing molecules which include: hydrogen molecules produced by water electrolysis; or molecules produced using the hydrogen molecules as a raw material. In the determination method, the method includes determining that the target molecules are the electrolytic hydrogen-containing molecules when an abundance ratio of deuterium to light hydrogen in the target molecules is less than or equal to a predetermined threshold which is smaller than an abundance ratio of deuterium to light hydrogen in nature.

The present invention relates to a method for producing hydrogen by energy radiation, comprising: contacting a composite catalyst with at least one hydrogen-containing source, and energy radiating the composite catalyst and the hydrogen-containing source to produce hydrogen molecules, wherein the composite catalyst comprises at least one nano-substrate structure and at least one atomic site, the atomic site comprising one or more than two chemical elements of Ru, Rh, Ag, Au, Pt, Pd, Os, Ir.

A device includes a porous substrate and a multilayer film. The porous substrate has a pore structure configured to allow hydrogen molecules to diffuse through the porous substrate. The multilayer film is configured to split hydrogen molecules into at least one of hydrogen atoms or protons in response to contacting the hydrogen molecules in the gas stream. The multilayer film is configured to allow passage of hydrogen atoms or protons through the multilayer film while blocking passage of larger compounds than hydrogen molecules that may be present in the gas stream. The hydrogen atoms or protons bind after passing through the multilayer film to reform hydrogen molecules. The multilayer film includes a first metal layer, an intermediate layer, and a second metal layer.

A control system for a vehicle including a fuel cell system includes at least one of a cooling fan and an aerodynamic device configured to selectively increase airflow below a hood of the vehicle. The thermal management controller is configured to control the at least one of the cooling fan and the aerodynamic device in response to a sensed temperature of a coolant of a coolant system of the vehicle. A sensor is configured to sense a concentration of hydrogen molecules below a hood of the vehicle. The hydrogen molecule airflow controller is configured to, using the at least one of the cooling fan and the aerodynamic device, selectively request additional airflow from the thermal management controller in response to a sensed concentration of hydrogen molecules below a hood of the vehicle being greater than a predetermined concentration.

The application discloses a preparation method of high-pressure hydrogen permeation resistant polymer rubber sealing product, and relates to the technical field of rubber sealing, and comprises the following steps: S1, obtaining plasticated rubber; S2, obtaining mixed rubber; S3, placing the mixed rubber obtained in the step S2 on a vulcanizing machine to perform pre-vulcanization, passing through thin passages for three times, and performing secondary vulcanization, and the high-pressure hydrogen permeation resistant polymer rubber sealing product is obtained; the high-pressure hydrogen permeation resistant polymer rubber sealing product prepared by the application can be applied to various industrial fields, and plays an important role in high-temperature and high-pressure occasions. In the hydrogen energy field, due to the fact that hydrogen molecules are extremely small and highly active, hydrogen is easy to penetrate into many materials, therefore, the raw materials for preparing the rubber sealing product are greatly improved and the usage is optimized, so that the prepared rubber sealing product not only has excellent chemical resistance and high-temperature resistance, but also has good air tightness and high-pressure hydrogen permeation resistance in a high-pressure hydrogen medium environment.

The present application belongs to the field of gas sensing technology, and relates to a hydrogen sensor, and provides a humidity gain film of a molybdenum trioxide hydrogen sensor, which is used for solving the problems of slow response time and sensitivity decline of the existing hydrogen sensor caused by the influence of environmental humidity, and is jointly formed with a palladium-based hydrogen-sensitive film and a substrate to form the hydrogen sensor. Through the design of a thermal evaporation process, a molybdenum trioxide film with a thickness of 2-10 nm and a non-continuous nano-island structure on the surface is successfully deposited on the surface of the palladium-based hydrogen-sensitive film to serve as the humidity gain film. Through the unique reverse hydrogen release effect of the molybdenum trioxide film in a humidity environment, hydrogen atoms are accelerated to contact the active sites on the surface of the palladium film, and the influence of water molecules on the response speed of the palladium-based hydrogen sensor is weakened, that is, while allowing hydrogen molecules to diffuse through to the surface of the palladium-based hydrogen-sensitive film, the diffusion of water molecules is inhibited on the surface of the humidity gain film, and finally the target of rapid detection of hydrogen leakage in a humidity environment is achieved.

Metal-based hydrogen storage fibers capable of selectively absorbing and desorbing / releasing hydrogen gas, and hydrogen storage vessels comprising the fibers, wherein the fibers are preferably arranged in a fabric. The fabric is a porous structure with a large surface area, which is well suited for hydrogen storage and transport. A hydrogen storage system is provided with attractive properties. Hydrogen storage in metal hydride fibers provides a compact and safe method of hydrogen storage, wherein hydrogen molecules in the gas phase can be adsorbed on the surface of the fibers, thereby forming metal hydrides, or dissociated into individual hydrogen atoms, which can further diffuse into the bulk of the metal hydride fiber and occupy sites in the metal hydride fiber matrix.

The invention discloses an organic liquid hydrogen storage molecule design method and device. The method comprises the following steps: acquiring a first data set containing organic liquid molecule physicochemical characteristic information; constructing a splicing code based on a molecular structure in the first data set to obtain a second data set; the splicing code comprises a dehydrogenation molecule structure and a hydrogenation molecule structure; constructing a regression prediction model, and training by using the second data set; constructing a molecular design model, splicing the code input, and generating and screening new hydrogen storage molecules; inputting the new hydrogen storage molecules into the trained regression prediction model, and predicting the addition / dehydrogenation capability of the new hydrogen storage molecules to obtain a prediction result; and screening the molecule with the best hydrogen storage capacity based on the prediction result. By using GNN model regression prediction and VAE model molecular design, a new method is provided for novel organic liquid hydrogen storage molecular design.

The application of prediction method for diffusion behavior of underground hydrogen in pore scale of water-containing clay mineral belongs to the technical field of underground hydrogen energy storage and unconventional gas migration prediction, and the key point is to fill water molecules and salt ions into the pores according to the target water saturation and salinity; the initial model of the water-containing clay mineral pores is pre-equilibrated by the molecular dynamics method; hydrogen molecules are filled under the given temperature and pressure conditions by the grand canonical Monte Carlo method, and the hydrogen pressure is corrected by the SRK-EOS state equation; the hydrogen diffusion simulation is carried out by the molecular dynamics method with temperature and fugacity as input parameters, the mean square displacement of hydrogen in the pores is calculated, and the self-diffusion coefficient is obtained; the application can quantitatively characterize the diffusion rate change rule of hydrogen in the clay pores under different water film thickness, salinity and temperature and pressure conditions, and reveal the diffusion inflection point, diffusion inhibition stage and migration restriction mechanism caused by the water film or water bridge structure.

The application relates to the technical field of hydrogen storage performance calculation and evaluation, and discloses a solid hydrogen storage material hydrogen storage performance calculation and evaluation method and system, which comprises the following steps: using a functional density theory and a molecular dynamics method, constructing a material microcosmic model, and analyzing and designing the mechanical properties, electronic distribution, heat conduction performance and thermal stability of the material itself; calculating the adsorption state and adsorption energy of hydrogen molecules on the hydrogen storage material, and the hydrogen adsorption amount of the material under different pressures and temperatures, so as to calculate the hydrogen adsorption performance of the newly designed hydrogen storage material; and drawing a hydrogen adsorption kinetics curve of the solid hydrogen storage material, so as to calculate and evaluate the hydrogen storage kinetics performance of the material. The system comprises a performance analysis module, a performance calculation module and a performance evaluation module. The application can comprehensively improve the research and development efficiency and hydrogen storage performance of the solid hydrogen storage material in theory and actual application. Each step provides important theoretical support and data basis when solving different technical challenges.

The utility model relates to the field of hydrogen storage bottles, in particular to an adsorption type low-temperature hydrogen storage bottle. The hydrogen storage bottle comprises a heat insulation shell, a hydrogen adsorption mechanism, a filter, a gas bottle valve and a safety valve, the filter is installed on the gas bottle valve and arranged in the heat insulation shell, the hydrogen adsorption mechanism is arranged in the heat insulation shell, the safety valve is installed on the gas bottle valve, the hydrogen adsorption mechanism is made of a carbon-based material, and a plurality of nanometer micropores are distributed in the hydrogen adsorption mechanism. According to the hydrogen storage device, high-density hydrogen storage is realized in a relatively low-temperature and pressure environment through the strong adsorption capacity of the microporous hydrogen adsorption mechanism to hydrogen molecules. And the hydrogen is filtered through the filter.

This invention provides a multi-scale neighborhood synergistic catalyst, its preparation method, and its applications. The method uses nitrogen-doped carbon nanotubes (NCNTs) as a structural platform, achieving precise construction of Al diatomic sites through vapor-phase migration, trapping, and reduction fixation of volatile metal precursors. Furthermore, it combines secondary vapor-phase deposition to drive the surface deposition and nucleation of metal-containing Y species, resulting in in-situ growth into metal nanoclusters to obtain Al2-Y. NC / NCNT catalyst. In this catalyst, Al species are atomically dispersed and exhibit coordination unsaturation, while metallic Y is anchored to its neighboring interface in the form of nanoclusters. Both maintain a stable nearest-neighbor structure under the confinement and anchoring effect of carbon nanotube doping sites. The Al2 sites can regulate the selective adsorption configuration and electronic state of reaction intermediates, while the Y nanoclusters provide efficient hydrogen molecule activation and overflow hydrogen supply channels. Together, they lower the energy barrier of key hydrogenation steps and suppress excessive hydrogenation side reactions. This invention features mild conditions, a simple process, and exhibits excellent hydrogenation activity and selectivity.

The invention discloses a non-invasive hydrogen injection device, and relates to the technical field of non-invasive hydrogen injection, the non-invasive hydrogen injection device comprises a machine shell, a pressure container cylinder is embedded in the upper end face of the machine shell, a detachable container cylinder cover is arranged at an opening of the upper end of the pressure container cylinder, and the space in the pressure container cylinder is used for temporarily sealing and placing a container to be injected with hydrogen; the bottom wall of the pressure container is connected with an electrolytic hydrogen production device, a circuit control board is integrated on the back face of the control screen, and the electrolytic hydrogen production device is electrically connected with the circuit control board through a wire. Hydrogen and oxygen are generated in clean water in a container in a PEM electrolysis mode, the hydrogen and the oxygen are separated, the oxygen is discharged through a pressure relief device, the hydrogen is continuously increased to form the pressure of 0.5-0.6 MPa, hydrogen molecules permeate into a sealed package from the outside under the action of the pressure due to the fact that the particle size of the hydrogen molecules is small, the original sealed package is not damaged, and the service life of the sealed package is prolonged. Therefore, the hydrogen can permeate into the sealed plastic package in a non-invasive mode, and the hydrogen can be injected without damaging the sealing performance of the plastic container.

The application discloses a catalytic conversion method for decomposing carbon dioxide into carbon monoxide, and is characterized by comprising the following steps: in the first step, carbon dioxide molecules and added hydrogen molecules are adsorbed on the surface of a biomass activated carbon / Rh2O3 / NiO phase material to form an adsorption state structure, the hydrogen molecules are decomposed into adsorption state hydrogen atoms, and the carbon dioxide reacts with part of the hydrogen atoms to generate carboxyl groups; in the second step, the generated adsorption state carboxyl groups react with the remaining hydrogen atoms to release a water molecule, and adsorption state carbon monoxide molecules are formed, and the adsorption state carbon monoxide is desorbed into a free state to obtain carbon monoxide gas. The application can more efficiently and stably realize the treatment of decomposing and converting carbon dioxide into carbon monoxide, and is more beneficial to large-scale production and preparation.

The present invention provides a method for epitaxial growth of silicon carbide to reduce native defects. Under the predetermined temperature of not less than 1500°C and the predetermined pressure of not less than 50 mbar defined in step S1, hydrogen is introduced in step S2 to etch the doped silicon carbide substrate. In this step, a doping source gas of not less than 0.06% of the hydrogen flow rate is introduced to adjust the collision frequency between hydrogen molecules and the substrate, thereby reducing or avoiding the situation where hydrogen etching may lead to excessive removal of the substrate atomic layer. In step S3, in addition to the introduction of hydrogen and doping source gases, a chlorine-containing gas of not more than 0.4% of the hydrogen flow rate is introduced to cooperate with the hydrogen to refine the etching and enhance the mobility of the etched carbon and silicon to avoid the formation of silicon clusters on the substrate. A carbon-containing source gas of not more than 0.04% of the hydrogen flow rate is introduced to fill the carbon vacancies caused by etching by carbon atom migration, thereby reducing deep energy level traps caused by lattice defects.

The invention provides a large-size arc-shaped extremely-high vacuum cavity manufacturing method, which belongs to the field of vacuum cavity processing, and comprises the following steps: removing hydrogen molecules in an extremely-high vacuum cavity raw material by using an extremely-high vacuum furnace; a numerical control machine tool is used for machining the vacuum bottom plate, the vacuum upper cover plate, the vacuum inner arc side plate and the vacuum outer arc side plate in sequence; the vacuum bottom plate, the vacuum upper cover plate, the vacuum inner arc side plate and the vacuum outer arc side plate are sequentially placed on a welding tool, spot welding and fixing are conducted through argon arc welding, and then external welding is conducted through laser welding to form an extremely-high vacuum cavity; carrying out leak detection on a welding seam welded by the extremely high vacuum cavity by using a helium mass spectrum leak detection method; and a laser tracker is adopted to measure the size of the extremely-high vacuum cavity, and the arc-shaped extremely-high vacuum cavity is manufactured. The invention aims to solve the problem that the arc-shaped extremely-high vacuum cavity is easy to leak in the prior art. The technical effects are that the phenomenon of air entrapment of the extremely high vacuum cavity is avoided, and the probability of leakage of the extremely high vacuum cavity is reduced at the same time.

1. Name of the product in this design: Foot bath basin (hydrogen molecule). 2. Intended use of this design: for foot soaking and foot massage. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The present disclosure provides a method of processing a liquid containing ammonia nitrogen from a first semiconductor fabrication machine. The method includes: adsorbing a plurality of ammonium (NH4+) ions in the liquid; desorbing the plurality of NH4+ ions to a solution; converting a fraction of the plurality of NH4+ ions into a plurality of ammonia (NH3) molecules; and electrolyzing the plurality of NH3 molecules to become a plurality of hydrogen (H2) molecules and a plurality of nitrogen (N2) molecules.

1. The name of this design product: Hydrogen-rich water cup. 2. Purpose of this product: This product converts drinking water into water containing hydrogen molecules. 3. The key point of the design of this product lies in the shape of the product. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

A reactor is configured to electrochemically convert hydrogen sulfide to produce hydrogen. The reactor includes a first shell, a second shell, a hydrogen-permeable electrode, and a check valve. The first shell defines a first chamber. The first shell defines a first inlet for water, a second inlet for hydrogen sulfide, and a first outlet for hydrogen sulfide. The second shell defines a second chamber isolated from the first chamber. The second chamber stores hydrogen molecules. The hydrogen-permeable electrode is at least partially disposed within the first chamber. The hydrogen-permeable electrode is permeable to hydrogen atoms originating from the hydrogen sulfide. The check valve allows flow of hydrogen molecules, formed from the hydrogen atoms that have permeated into the hydrogen-permeable electrode, into the second chamber while preventing flow of hydrogen molecules back out from the second chamber through the check valve.

The application discloses a kind of methanol reforming and hydrogen adsorption integrated multi-field coupling reactor and the continuous hydrogen production system and hydrogen production method with it.The reactor of the application couples reforming reaction cavity, adsorption cavity, desorption cavity, and designs the inner and outer two layers of adsorbent bed layer, and the inner layer adsorption cavity is adsorbed hydrogen-rich, and the outer layer desorption cavity is responsible for desorption regeneration, hydrogen molecules pass through adsorbent lattice and diffuse from inner layer to outer layer in situ under the driving of concentration gradient, this structure allows adsorption and desorption process to be separated in space but closely coupled, without interrupting reforming reaction, to realize the dynamic cycle of adsorbent adsorption-migration-desorption, lay the foundation for continuous operation, through innovative structure and material matching, realize the efficient coupling of methanol reforming and hydrogen selective adsorption in the uniform temperature zone of reforming reaction temperature.

Hollow porous spherical nano nickel powder with the surface coated with magnesium metal is adopted as a hydrogen adsorption material and is filled in a hydrogen storage tank, a steel wool filter layer covers the upper layer, a small number of through-hole magnetic sheets are placed in the filter layer, and the through-hole magnetic sheets and the steel wool form a magnetic filter layer together; nano nickel powder escaping in the hydrogen desorption process can be adsorbed and filtered; under the pressurization condition, hydrogen molecules on the inner surface of the hollow spherical nano nickel powder are closely stacked, similar to a quasi-liquid condition, so that the hydrogen storage capacity is greatly improved; a magnesium metal coating layer is arranged on the outer surface of the hollow porous spherical nano nickel powder, an MgH2 compound can be formed, hydrogen molecules are easily adsorbed on the surface of the magnesium metal coating layer, the overall hydrogen storage capacity can be improved, heating and cooling conditions are not needed, and convenience and practicability are achieved.