25 results about "Chemisorption" patented technology

This invention discloses a zinc-iodine battery and an electrode carrier that can simultaneously suppress polyiodine ion shuttle and regulate zinc deposition behavior, wherein the electrode carrier is Cu. + Coordinated poly(3,4-ethylenedioxythiophene) (Cu-PEDOT), via a solvothermal method, to convert Cu... + It was prepared by coordinating with S atoms in the PEDOT framework. I₂ was loaded onto this support as the positive electrode, and Zn was electrochemically deposited as the negative electrode to assemble a battery. The atomically monodisperse Cu in this invention... + It not only enhances the chemisorption of polyiodides as a Lewis active site, but also significantly reduces I... ‑ / I 0 Conversion energy barrier, accelerates reaction kinetics and suppresses shuttle effect; at the same time, Cu + The zinc-affinity property of the substrate reduces the Zn nucleation overpotential, guides Zn to deposit uniformly along the (002) crystal plane, and suppresses dendrites. Zinc-iodine batteries based on this substrate exhibit excellent rate performance and ultra-long cycle stability, and achieve dendrite-free negative electrode growth even under high depth-of-discharge conditions. This invention solves the problem of simultaneous multi-iodide shuttle in the positive electrode and zinc dendrite growth in the negative electrode using a single substrate, significantly improving the energy density and cycle life of the battery.

This invention relates to the field of solar cell technology, and in particular to a self-assembled monolayer based on a fluorinated alcohol solvent, its preparation method, and a solar cell. The method involves adding a fluorinated alcohol as a co-solvent to a solution of the self-assembled monolayer material, which is then deposited onto the surface of a metal oxide electrode to construct a hole transport layer. The hydroxyl groups of the fluorinated alcohol can form hydrogen bonds with the phosphorus-oxygen double bonds in the phosphonic acid groups, reducing the electron density of the phosphorus atoms and thus weakening the chemisorption barrier of the self-assembled monolayer on the electrode surface, promoting the formation of a uniform and dense monolayer film. The resulting interface layer effectively suppresses interface defects and promotes hole extraction. Organic solar cells prepared using this method exhibit excellent performance in terms of energy conversion efficiency, stability, and large-area processing adaptability. This invention features a simple process, low cost, and good reproducibility, and has promising prospects for industrial application.

This invention discloses an iodine cathode interface conductive polymer slurry, an iodine cathode and its preparation method, and its application in I... ‑ / I2 / I + In the application of positive-valence zinc-iodine batteries, the conductive polymer slurry at the iodine cathode interface is formed by combining an aqueous adhesive and a PEDOT:PSS dispersion. This conductive polymer slurry is uniformly coated onto the surface of the iodine cathode, and after drying, a dense conductive polymer film is formed on the iodine cathode surface. The PEDOT:PSS film of this invention can inhibit polyiodine ion shuttle and I₂ from both physical barrier and chemical adsorption perspectives. + Hydrolysis; when the iodine cathode loading is 10 mg cm⁻¹ ‑2 At that time, the discharge plateau of the zinc-iodine battery was 1.6 V (I 0 / I + ) and 1.2 V(I ‑ / I 0 Its capacity retention rate after 3500 stable cycles is over 91%, effectively improving the performance of the iodine cathode and enhancing the overall performance of the battery; it belongs to the field of battery technology.

This invention relates to the field of printed circuit board manufacturing technology and discloses a fine etching process for PCB circuit patterns. The process includes injecting a fine etching composition comprising deionized water, hydrochloric acid, copper chloride dihydrate, anhydrous magnesium chloride, p-toluenesulfonic acid monohydrate, polyethylene glycol, and 2-mercaptobenzimidazole into a circulating working tank of an etching machine; setting the temperature of the working solution in the circulating working tank; sending the substrate to be etched, after dry film development, into a spray section; activating the spray array and setting the spray pressure to etch the substrate; and rapidly rinsing the etched substrate in a deionized water washing section, followed by strong air drying to obtain the circuit pattern. This invention reduces surface tension through specific components to promote solution penetration into the microstructure, utilizes an organic corrosion inhibitor to form a stable protective layer on the trench sidewalls, and combines the vertical impact of the nozzle jet on the bottom, leveraging the difference between mechanical force and chemical adsorption force to achieve anisotropic etching, thus suppressing lateral corrosion of fine circuits.

The invention discloses an alkaline earth metal stable oxygen-like superatomic cluster material and a preparation method thereof.The material is prepared from aluminum powder, alkaline earth metal hydride and anhydrous metal halide serving as a structure-directing agent, and the preparation method comprises the steps that firstly, under the inert atmosphere, the raw materials are subjected to high-energy ball milling to prepare a composite precursor; then temperature programming heat treatment is carried out, hydrogen generated by hydride in-situ decomposition is used for reducing an interface and inducing lattice defects, and meanwhile, interface migration and chemical adsorption effects of halide ions are used for pinning newly generated cluster units; and finally, carrying out non-equilibrium densification through spark plasma sintering. According to the method, the defect that a thermodynamically stable alloy phase is easily formed in a traditional smelting method is overcome, the oxygen-like cluster structure with the 38 electron open shell layer characteristic is successfully stabilized in a macroscopic solid state through a synergistic mechanism of gas phase pore forming and interface pinning, and the material is endowed with excellent catalytic activity and semimetal conduction characteristic.

This invention discloses a heteronuclear bimetallic phthalocyanine complex / carbon functional separator for lithium-sulfur batteries and its preparation method, belonging to the field of lithium-sulfur battery technology. The separator includes a substrate and a functional coating layer disposed on its surface, wherein the functional coating layer comprises a heteronuclear bimetallic phthalocyanine complex / carbon composite material. This invention utilizes the bimetallic synergistic effect of heteronuclear bimetallic phthalocyanine and the chemisorption effect of polar functional groups, combined with the conductivity and physical barrier capabilities of carbon materials, to achieve synergistic regulation of polysulfides through "physical barrier-chemisorption-catalytic conversion." This functional separator can effectively suppress the shuttle effect, accelerate sulfur species conversion, and significantly improve the rate performance and cycle stability of the battery. The preparation process of this invention is simple and cost-controllable, showing good application prospects.

A method for filling a gap in a substrate is disclosed. The method includes providing a substrate with a gap in a reaction chamber, forming first active species from a first reactant to create an inhibition layer near the top of the gap, and performing one or more deposition cycles to deposit material into the gap. Each deposition cycle involves introducing a second reactant to form a chemisorbed layer and generating a second active species from a third reactant using pulsed plasma power, which reacts with the chemisorbed layer to form a deposited layer. The inhibition layer partially inhibits deposition at the top of the gap. The deposited material comprises silicon nitride, which is subsequently converted to silicon oxide by providing a fourth reactant containing hydrogen and oxygen. This conversion results in volume expansion and improved gap filling.

A method of selective deposition that includes disposing in a deposition chamber a substrate having metallic and dielectric surfaces. The deposition chamber is connected to a bubbler that contains a 1,2,3-triazolium salt and / or a carboxylate zwitterion form of the 1,2,3-triazole, which are precursors to free 1,2,3-triazol-5-ylidene. By heating the bubbler, gaseous free 1,2,3-triazol-5-ylidene was generated which moved into the deposition chamber, where the 1,2,3-triazol-5-ylidene selectively chemisorbed onto the metallic surface(s).

A quasi-pulsed FRC deuterium-deuterium fusion reactor and its self-sustaining nuclear fuel cycle steady-state power generation method are disclosed. The reactor comprises a linear vacuum chamber, an FRC plasma formation zone, a collision fusion zone, a conical transition section, a plasma formation coil, a fast compression coil, a magnetic mirror coil assembly, a deuterium-tritium feeding system, a zoned vacuum pumping system, and a pulsed power control system. The magnetic mirror coil assembly is located near the collision fusion zone in the conical transition section. Within a single pulse cycle, it sequentially executes four functional modes: compression assistance, magnetic mirror reflection, magnetic bottle confinement, and recovery attenuation. During the recovery attenuation mode, it is reused as a direct energy conversion induction coil. The operation mode employs a trace amount of tritium to catalyze deuterium-deuterium fusion. Tritium and helium-3 are confined to participate in the secondary reaction through magnetic mirror confinement. Between pulses, the difference in chemical adsorption of tritium and the difference in cryogenic condensation of helium-3 are utilized to achieve selective recovery of the two components, forming a quasi-pulsed self-sustaining operation. The power is then converted into steady-state electrical power and connected to the grid via a rectification-storage-inverter system, realizing the internal recycling of tritium and helium-3.

The present invention is directed to a sorbent for CO2, comprising a shaped body (i) made of at least one metal oxide and at least one silicon-containing filler (F) which differs from the at least one metal oxide, and at least one sorption agent (ii) for CO2, with which the shaped body (i) is functionalized, wherein the at least one silicon-containing filler (F) comprises silicon-containing fibers and / or silicon-containing platelets. The invention also relates to the preparation of this sorbent, and to the use of this sorbent as a fixed-bed sorbent in the chemisorption of CO2.

Inhibition of corrosion of low-carbon steel in 1 M hydrochloric acid solution by manufacturing A new organic inhibitor 3,5-dimethyl (Hydroxybenzylenediene)4(4-m-1-pyrozol-H-1 DPHM was diagnosed as aminophenylmethanone 1HNMRFTIR active groups and ingredients by The pyrazole ring is considered non-toxic, CNMR13. It is used in the pharmaceutical industry. The inhibitor molecules also contain nitrogen and oxygen as active centers with electron density that enhances the attraction of the inhibitor molecules to the metal surface through adsorption. The study was conducted at different temperatures (30-60°C) and different inhibitor concentrations using weight loss methods and electrochemical techniques such as voltage. (PDP) and (OCP) open circuit polarization Efficiency, (EIS) and electrochemical impedance technology Inhibition increases with increasing inhibitor concentration and also with increasing temperature, with the maximum inhibition being approximately 89.5%. The results obtained showed It acts as a steel inhibitor (DPHM); therefore, the inhibitor... Low carbon content in hydrochloric acid reduces the corrosion rate. The mechanism of chemisorption is suggested by the direction of inhibition efficiency with temperature change, as well as by the negative free energy values ​​of adsorption, which are greater than [-20 kJ / mol], and the calculated thermodynamic coefficient of adsorption. It reveals that (ΔGads) includes the free energy of adsorption The adsorption process is spontaneous, and adsorption follows an isotherm. FTIR and SEM adsorption of the extract confirms the Linkmayer adsorption. On the steel surface. Quantum chemical theory simulations were used to investigate the inhibition mechanism, revealing The electron donor in the DPHM results was When the steel surface was electron-accepting, mathematical and statistical modeling was used as a powerful tool to explain the data. The exponential model, with a correlation coefficient of 0.992, was the most accurate.

A photothermal adsorption refrigeration device and its application method for railway subgrades in permafrost regions are disclosed, comprising an above-ground photothermal drive and control unit and an underground phase change heat transfer unit. The device utilizes a metal halide-ammonia chemisorption cycle, using solar photothermal drive to generate a pressure potential difference through desorption / adsorption to replace a mechanical compressor, achieving a system with no moving parts and zero carbon emissions. The method includes geological survey and cooling capacity assessment, selection of device parameters and working fluid, subgrade cross-section layout based on deformation control, construction and commissioning, day / night / seasonal multi-field coupled adaptive operation, and closed-loop feedback. This invention overcomes the limitations of traditional heat pipes that remain dormant in warm seasons. It forcibly extracts heat from the permafrost during the warm season and enhances refrigeration using extremely low temperatures during the cold season, forming a synergistic dual-effect refrigeration of "active in summer and enhanced in winter." This can raise the upper limit of permafrost and control subgrade settlement to the millimeter level, making it suitable for plateau railway engineering, significantly improving the long-term stability of the subgrade and reducing operation and maintenance costs.

This invention discloses a method for producing Group II base oil from Group I base oil based on the regeneration of waste lubricating oil, belonging to the field of lubricating oil base oil technology. This invention uses Group I base oil obtained from the regeneration of waste lubricating oil as raw material, and obtains Group II base oil through multi-stage adsorption treatment in a primary stirred adsorption reactor, a regenerated clay adsorption reactor, a secondary stirred adsorption reactor, and an activated clay adsorption reactor. In the primary and secondary stirred adsorption reactors, silica gel is used as the adsorbent, which can adsorb colloids, water, aromatic hydrocarbons, some oxygen-containing compounds, and nitrogen-containing compounds in the base oil through physical adsorption and polar interactions. In the regenerated clay adsorption reactor, the heteropolyacid strong acid sites on the modified regenerated clay can undergo acid-base neutralization chemisorption with the alkaline nitrogen-containing compounds in the base oil. Finally, deep adsorption is performed using activated clay in the activated clay adsorption reactor to obtain Group II base oil with low nitrogen content and high oxidation stability. The process is simple and the conditions are mild.

The application provides a catalyst for removing volatile impurities and a preparation method and application thereof. The catalyst contains a carrier and an active component. The carrier contains silicon-modified manganese oxide, and the active component contains copper oxide. The content of copper oxide in the form of Cu2O in the active component is 10-65 wt%, preferably 15-60 wt%, based on the total weight of the active component. The catalyst has a special active crystal structure, strong oxidizing property and strong adsorbing property, can induce strong chemical adsorption of volatile impurities on the surface of the catalyst and complete catalytic conversion, and thus realizes removal and purification of volatile impurities in air.

The application discloses a preparation method of a molybdenum disulfide film and relates to the technical field of film growth. The preparation method of the molybdenum disulfide film comprises the following steps: S100, providing a substrate and placing the substrate in a reaction cavity; S200, alternately feeding a molybdenum source and a sulfur source into the reaction cavity at a first temperature, and making the molybdenum source and the sulfur source alternately chemisorb on the surface of the substrate through an adsorption reaction epitaxy process to obtain alternately-stacked molybdenum source molecular layers and sulfur source molecular layers; S300, reacting the molybdenum source molecular layers and the sulfur source molecular layers at a second temperature to form a molybdenum disulfide precursor film; and S400, crystallizing the molybdenum disulfide precursor film at a third temperature to form a molybdenum disulfide film, wherein the first temperature, the second temperature and the third temperature increase in sequence. The preparation method of the molybdenum disulfide film provided by the application is used for realizing the preparation of a high-quality and low-pollution molybdenum disulfide film.

The application discloses an electrolyte composition and a mask plate, the electrolyte composition comprising a corrosion inhibitor and a polyether modified polysiloxane compound, the corrosion inhibitor having a carboxylate group and an antistatic group, the carboxylate group being capable of providing a lone pair of electrons, strongly chemisorbing or coordinating with metal atoms or ions on the surface of the mask plate, and helping the corrosion inhibitor molecules to be tightly and firmly anchored on the metal surface to form a dense protective layer, the protective layer being capable of isolating the direct contact between corrosive media and the metal; in addition, the corrosion inhibitor also has the antistatic group, the antistatic group being capable of helping to homogenize the charge distribution on the cathode surface and preventing corrosion caused by excessively high local current density, so that the electrolyte composition has both high cleaning efficiency and excellent corrosion inhibition performance.

This invention relates to the field of energy storage battery technology, specifically to the preparation method and application of candied hawthorn-shaped MOF@titanium-based nanowire composite materials and their derivatives. The candied hawthorn-shaped MOF@titanium-based nanowire composite materials and their pyrolysis derivatives provided by this invention have a unique hierarchical structure of one-dimensional nanowire tandem polyhedral MOFs. In this structure, TM... n Ti x O y Nanowires effectively anchor and accelerate the conversion of lithium polysulfides through strong chemisorption and catalysis, suppressing the shuttle effect. The "candied hawthorn" porous hard carbon derived from MOF pyrolysis significantly enhances electron / ion conductivity, providing a three-dimensional conductive space for the conversion process of active materials. When this material is used as a sulfur host in the cathode of lithium-sulfur batteries, it still exhibits excellent cycle stability and rate performance under high sulfur loading conditions, effectively solving the capacity decay problem caused by the shuttle effect and poor conductivity in traditional lithium-sulfur batteries.

The application discloses a method for improving bubble defects of photoresist of an LED chip, and belongs to the technical field of LED chip manufacturing. In the photoetching pretreatment stage, the method completely removes organic pollutants and water molecules adsorbed on the SiO2 affinity surface through a combined process of "soaking in a degumming liquid-high temperature baking". The organic solvent of the degumming liquid can dissolve and remove the photoresist by breaking the molecular bond of the photoresist through a nucleophilic reaction, and meanwhile, the active functional groups on the surface of the substrate are exposed after high-temperature baking, which is beneficial to forming stronger interfacial bonding force with the photoresist. The double action of physical adsorption and chemical adsorption together improves the adhesion strength of the photoresist. The application eliminates the photoresist bubble phenomenon caused by the release of gas and pollutants in the hard baking and subsequent high-temperature film coating process from the source, and significantly improves the reliability and overall yield of the LED chip.

This invention relates to an in-situ modified Fe nanoparticle-supported oxygen ion conductor fuel electrode, its preparation method, and its applications, belonging to the field of fuel cell technology. This invention proposes a dual perovskite oxide Sr2Fe... 1.5 Mo 0.5 O 6‑δ The B-site Zn substitution strategy revealed that Zn doping can significantly enhance the Fe-O bond energy in the material and reduce the Sr2Fe bond energy. 1.5 Mo 0.5 O 6‑δ The precipitation energy of Fe element is reduced, thereby inhibiting the precipitation of Fe nanoparticles under high-temperature reducing atmosphere, achieving the purpose of in-situ modification of Fe nanoparticles. Tests on three fuel electrode materials with different doping amounts revealed that the Zn-doped material exhibited superior CO2 electrolysis performance. The optimized nanoparticles not only provided more reaction sites but also enhanced the material's chemisorption capacity for CO2, which is beneficial to the carbon dioxide reduction reaction process.

This application relates to the field of secondary battery technology and discloses a battery including a positive electrode, a negative electrode, and an electrolyte. The positive electrode includes a positive current collector and a first functional layer and a positive active layer stacked on one side of the positive current collector. The first functional layer contains conductive particles, and the Sn, Sb, and Ti content in the conductive particles satisfies 0.56≤(C1+C2) / C3≤1.30. The positive active layer includes a single-crystal high-nickel ternary material and a single-crystal lithium manganese iron phosphate material. The negative electrode contains a silicon-based material with a silicon content of 1%~20%. The electrolyte contains lithium hexafluorophosphate and lithium difluorosulfonylimide, and satisfies 0.3≤C5 / C4≤2. This application systematically suppresses moisture-induced interfacial side reactions and manganese ion migration through the synergistic effect of the chemical adsorption of the first functional layer and the film-forming protection of the electrolyte, maintaining the stability of the positive and negative electrode interfaces and improving the battery's high-temperature storage performance, cycle life, and thermal safety.

This invention relates to a fiber-type noble metal catalyst and its preparation method, belonging to the field of functional polymer materials technology. The catalyst, for the first time, uses amine fibers as a support, on which noble metal elements platinum or gold are chemically adsorbed and loaded; the amine content in the amine fibers is 2.5 mmol / g to 3 mmol / g; the method uses amine fibers as a support and employs an adsorption-reduction approach, selectively fixing the noble metal elements to active sites on the fiber surface without aggregation or the formation of atomic clusters. The resulting catalyst not only has higher catalytic efficiency but also saves on the amount of noble metal used.

The application discloses a CoTe2 / C@MXene composite material and a preparation method and application thereof, and belongs to the field of electrochemical energy storage. The preparation of the composite material comprises the following steps: mixing MXene, a cobalt salt and a melamine mixed solution, and obtaining a precursor through freeze-drying; and then performing a high-temperature tellurization reaction on the precursor and tellurium powder under the protection of argon to obtain a composite material in which carbon-limited CoTe2 nanoparticles are uniformly loaded on the surface of MXene. The obtained composite material has the physical limitation, chemical adsorption and high catalytic activity of the CoTe2 nanoparticles of the high-conductivity MXene matrix, can effectively inhibit the polysulfide shuttle effect, buffer volume expansion and accelerate the reaction kinetics. When applied to a room-temperature sodium-sulfur battery positive electrode as a sulfur host material, the composite material significantly improves the specific capacity, rate performance and cycle stability of the battery. The method is simple, has good repeatability and has a good application prospect.

The application discloses a kind of chlorinated fullerene-based positive electrode materials and its preparation method and application, and positive electrode material includes metal-organic framework material and filled in its pore channel chlorine and fullerene derivative.Metal-organic framework material is generated by metal-organic precursor and the reaction of containing triphenylene ligand.Metal-organic precursor is generated by containing imidazole ligand, chlorinated fullerene and the reaction of metal ion.In charge and discharge process, the pore structure of metal-organic framework material forms space confinement to charging product chlorine, and the strong electron acceptor characteristics of fullerene derivative forms chemical adsorption to discharge product chloride ion, realizes the double fixation of charging and discharging product.Metal-organic framework material skeleton contains triphenylene ligand with high electron delocalization performance, while metal-organic framework material pore fills conductive fullerene derivative, realizes the double promotion of positive electrode material conductivity, applied to aqueous zinc-chlorine battery, and also can effectively improve the cycle performance of positive electrode material.

A method for filling a gap in a substrate is disclosed. The method includes providing a substrate having a gap in a reaction chamber, forming a first reactive species from a first reactant to create an inhibiting layer near a top of the gap, and performing one or more deposition cycles to deposit material into the gap. Each deposition cycle includes introducing a second reactant to form a chemisorbed layer, and generating a second reactive species from a third reactant using pulsed plasma power, which reacts with the chemisorbed layer to form a deposited layer. The inhibiting layer partially inhibits deposition at the top of the gap. The deposited material includes silicon nitride, which is subsequently converted to silicon oxide by providing a fourth reactant including hydrogen and oxygen. This conversion results in volume expansion and improved gap filling.