57results about "Electrolytic inorganic material coating" patented technology

Provided is a surface-treated steel sheet that can be produced without the use of hexavalent chromium and that has excellent adhesion to BPA-free paint. A surface-treated steel sheet having, on at least one surface of a steel sheet, a Ni-containing layer and a coating layer disposed on the Ni-containing layer and containing at least one of Zr oxide and Ti oxide, wherein a contact angle of ethylene glycol is 50° or less, and a total atomic ratio of K, Na, Mg, and Ca adsorbed on a surface of the steel sheet to all elements is 5.0% or less.

To provide a structure having a dense carbon film. [Solution] A structure comprising a conductive substrate and a carbon film on the surface of the conductive substrate, wherein the carbon film includes an aggregate of carbon nanoparticles, and the carbon nanoparticles are made of amorphous carbon.

Provided is a novel coated substrate (1) which is applicable to various fields and from which high functionality can be expected. In the coated substrate (1), a substrate (5) is coated with a film (3). The thickness of the film (3) is 60 nm or greater and 10 µm or less. Measurement of the film (3) shows that the percentage of C (carbon) element is 0.1 atm% or greater and less than 10 atm% and the sum of the percentage of a metal element and the percentage of O (oxygen) element is 80 atm% or greater. The relative density of the film (3) is 90% or greater, and the film (3) contains γ-Al2O3.

Provided is a novel coated substrate which can be applied to various fields and from which high functionality can be expected. The coated substrate is a coated substrate (1) in which a substrate (5) is coated with a film (3). The thickness of the film (3) is 60 nm or greater and 10 µm or less, measurement of the film (3) shows that the percentage of C (carbon) element is 0.1 atm% or greater and less than 20 atm%, and the sum of the percentage of a metal element and the percentage of O (oxygen) element is 70 atm% or greater, the film (3) is amorphous, and the relative density of the film (3) is 90% or greater.

A preparation method of an electroplated part includes the steps of plating a porous metal coating layer, placing the porous metal coating layer in a graphite colloid, and depositing graphite colloidal particles into the porous metal coating layer. The porous metal coating layer is plated at or proximate an outer side of a substrate of the electroplated part. The graphite colloidal particles are deposited into pores of the porous metal coating layer from the graphite colloid to form a graphite alloy coating layer.

Vehicle (100), comprising: an electric motor (106) and a battery pack (108) that is electrically coupled to the electric motor (106), wherein the battery pack (108) comprises a plurality of battery cells (200), each battery cell (200) of the plurality of battery cells (200) comprising: an anode current collector (202); an anode active material layer (204) in direct contact with a surface of the anode current collector (202), wherein the anode active material layer (204) comprises anode active materials and optionally an anode binder, electrically conductive material or both the anode binder and the electrically conductive material; a cathode current collector (210); a cathode active material layer (208) in direct contact with a surface of the cathode current collector (210), wherein the cathode active material layer (208) comprises cathode active materials (302) having a metal oxide coating (304) and optionally a cathode binder, electrically conductive material, or both the cathode binder and the electrically conductive material; and a separator (206) positioned between the anode active material layer (204) and the cathode active material layer (208); characterized in that the metal oxide coating (304) TiO2 is electrochemically deposited on the cathode active materials (302), comprises a pure crystalline phase and an area of ​​the metal oxide coating (304) has a thickness variation between 5 nm and 10 nm.

The application relates to the technical field of ammonium oxidation, and discloses an anode material for ammonium oxidation under a low-concentration chloride ion condition and a preparation method thereof.The anode material takes manganese dioxide as a carrier and is loaded with monatomic silver, and the loading amount of the monatomic silver is less than 0.1 wt%.In the preparation process, first, constant current density electrodeposition is carried out to prepare a MnO2 / platinum-coated titanium mesh; then, a wet chemical immersion method is used to load Ag on the MnO2 substrate; finally, high-temperature air atmosphere calcination is carried out to prepare a monatomic Ag / MnO2 anode material.The application utilizes the acid resistance of MnO2 itself and the strong metal carrier interaction between metal Ag and MnO2 to realize stable and continuous electrolysis operation; and Ag and MnO2 realize the enrichment of low-concentration chloride ions at the anode interface through chemical affinity and physical adsorption, thereby realizing the efficient generation of active chlorine under the condition of low-concentration chloride ions.

This invention relates to a long-life titanium anode for electrolytic copper foil production and its preparation method, belonging to the field of electrolytic copper foil technology. The long-life titanium anode comprises: a titanium substrate; a laser nitriding layer formed on the surface of the titanium substrate; and a composite coating formed on the surface of the laser nitriding layer, the composite coating comprising, from the inside out, a bottom layer, an intermediate layer, and a top layer; the bottom layer is an IrO2-Ta2O5 composite oxide coating, and the intermediate layer is an IrO2-Ta2O5-PdO2 composite oxide coating. x The composite oxide coating, wherein the intermediate layer is IrO2-Ta2O5-PdO x With PdO x Nanoparticles as the core, IrO2 and Ta2O5 in PdO x A coating layer is formed on the surface, which is a PbO2 coating doped with rare earth elements. This invention solves the problems of substrate passivation and peeling through laser nitriding, achieves a balance between high conductivity and high corrosion resistance by utilizing a core-shell structure intermediate layer, and improves catalytic activity and stability by combining the rare earth-doped surface layer. The synergistic effect of each layer significantly extends the service life of the anode.

The application discloses an iridium oxide modified fluorine-doped tin oxide electrode and a preparation method and application thereof. The electrode comprises a light-transmitting fluorine-doped tin oxide conductive glass substrate and an in-situ attached iridium oxide nano-modified layer. The preparation method comprises the following steps: preparation and aging of a precursor solution, alternating current electrochemical deposition, annealing and cleaning, and laser patterning treatment. The application further discloses a cell impedance sensor organ chip system comprising the electrode and application of the system in in-vitro drug screening. The application utilizes the low cost and light-transmitting property of the fluorine-doped tin oxide and the excellent charge injection capacity of the alternating current deposited iridium oxide nano layer to greatly reduce the interface impedance. The scheme meets the in-situ optical observation, realizes the high-sensitivity biological impedance monitoring comparable to gold electrodes, effectively solves the problems of high cost and complex process of the existing organ chip electrode, and is very suitable for popularization and application as a disposable high-throughput consumable.

This invention discloses a trimetallic oxide electrode for non-enzymatic catalytic oxidation of glucose, characterized in that the electrode comprises: a graphite felt substrate and a trimetallic oxide grown on the surface of the graphite felt; the trimetallic oxide has a nanosheet structure and the chemical formula: CoCuMoO x , of which Co 2+ / 3+ and Cu 2+ / 3+ Redox pairs serve as active sites for catalyzing glucose oxidation; Mo 6+ As an electron acceptor, it is used to activate Co 2+ and Cu 2+ Site. This invention utilizes electrochemical deposition technology to deposit Co. 2+ Cu 2+ Metal cations deposited in MoO x On @CC, a trimetallic oxide electrode CoCuMoO is formed. x @CC; The resulting trimetallic oxide has a nanosheet structure, which helps to expose the catalytic sites.

The present application provides a method for preparing an insoluble electrode. A substrate is pretreated and immersed in a lead-containing electrolyte to perform a first electrolysis reaction, so that a first lead-containing plating layer is formed on the surface of the substrate. After the first lead-containing plating layer is formed, the substrate is immersed in the lead-containing electrolyte to perform a second electrolysis reaction, so that a second lead-containing plating layer is formed on the surface of the first lead-containing plating layer. After a reaction time, the second lead-containing plating layer is formed on the surface of the first lead-containing plating layer, thereby obtaining an insoluble electrode.

The present application relates to a kind of manganese cadmium sulfur / silicon composite photocathode based on constant current electrodeposition method and preparation method and application thereof.The method is in situ grown with hollow microspheres structure manganese cadmium sulfur on the surface of crystalline silicon with pn junction and surface light trapping microstructure by constant current electrodeposition technology, thereby forming manganese cadmium sulfur / silicon composite photocathode.By controlling the specific conditions in the electrodeposition process, such as the type of Mn source, Cd source and S source, the concentration range thereof, the current density of electrodeposition, the time of electrodeposition, the composition of electrolyte system, such as the type of solvent and the addition of supporting electrolyte, the element ratio of manganese and cadmium in the electrodeposition process is accurately controlled, so that a uniform, dense and firmly bonded MnCdS film is formed on the surface of crystalline silicon with specific microstructure.The photocatalytic activity, water splitting efficiency and catalytic stability of the photocathode are significantly improved.

The application relates to the technical field of catalysts for alkaline electrolytic water, and discloses a non-crystalline CoP nanoparticle anchoring NiMo oxide array heterostructure catalyst, which comprises a substrate, a carrier layer and an active layer arranged in sequence, and the specific structure is as follows: the substrate is foamed nickel; the carrier layer is a NiMo oxide array in-situ grown on the surface of the foamed nickel; the active layer is non-crystalline CoP nanoparticles in-situ anchored on the surface of the NiMo oxide array by a pulse electrodeposition method, and the non-crystalline CoP nanoparticles and the NiMo oxide array jointly form a core-shell heterostructure of 'crystal framework-non-crystalline shell'; a heterojunction is formed between the non-crystalline CoP nanoparticles and the NiMo oxide array due to the difference in work functions, and a built-in electric field directed to the side of the NiMo oxide array is induced at the heterojunction. The catalyst not only greatly increases the exposure area of active sites, but also significantly improves the electron transmission capacity of the electrode, thereby providing a new strategy for the development of high-performance energy conversion materials.

Disclosed herein are methods for producing a radium or barium target. The methods include providing an organic-aqueous electrolyte bath solution comprising radium or barium ions, exposing a deposition surface of a target substrate to the electrolyte bath solution, wherein the target substrate comprises at least one of copper and aluminum, and wherein the deposition surface comprises at least one of copper, aluminum, gold, platinum, rhodium or silver, and applying an electric potential between an anode and the target substrate for a deposition cycle time, thereby electrodepositing a layer of radium or barium containing material out of the bath solution and onto the deposition surface. Also disclosed are targets for subsequent exposure to an accelerated proton beam.

The application discloses a kind of based on dynamic reconfiguration programmed adaptive working condition electrolytic water catalyst preparation method, it is related to catalytic material preparation technical field.The application is placed in the electrochemical environment simulating actual working condition characteristics by single component or multiple component heterostructure pre-catalyst containing electro-oxidizable phase-change metal compound, and it is driven to occur electro-oxidation dynamic reconfiguration by applying preset potential program, after forming thermodynamic steady-state active layer, adaptive working condition electrolytic water catalyst is obtained.The catalyst prepared by the application breaks through the limitation of traditional static material design, can adapt to electrolytic water working condition, has excellent catalytic activity and industrial grade stability, and the preparation process is compatible with existing industrial process, raw material cost is low, easy to operate, can be mass-produced, and has important industrial application value in the field of electrolytic water.

This invention relates to the field of metal surface treatment technology, specifically to tin-plated copper wire for preventing tin plating layer peeling and its production process. The production process of the tin-plated copper wire for preventing tin plating layer peeling includes: preparing a nano-alumina-pillared nano-graphene sheet composite material; pretreatment; pulse electroplating; post-plating washing; and passivation sealing. This invention first disperses carboxyl-modified graphene in anhydrous ethanol, then adds an aluminum source precursor. Electrostatic self-assembly allows the aluminum source to be adsorbed onto the graphene sheet surface. After acid-catalyzed gelation, aging, and calcination heat treatment, a nano-alumina-pillared nano-graphene sheet composite material is obtained. This composite material is then added together with polytetrafluoroethylene (PTFE) particles to a mixed tin plating solution. After pulse electroplating of the pretreated copper wire, the nano-alumina-pillared nano-graphene sheets and PTFE particles synergistically improve the bonding force between the tin plating layer and the copper wire substrate, thereby effectively preventing tin plating layer peeling.

To provide a cathode electrode in which the selectivity of hydrogen decreases and the selectivity of a carbon-dioxide reduced product material improves, in a catalytic reaction in which carbon monoxide, an olefin hydrocarbon such as an ethylene, and an alcohol such as an ethanol are produced by reducing carbon dioxide.SOLUTION: A cathode electrode for electronically reducing carbon dioxide comprises: a first layer including cuprous oxide, copper, and at least one kind of other metal elements chosen from the group of silver, gold, zinc, cadmium, and tin; and a second layer, formed on the first layer, including a constituent element composed of at least one kind of metal elements chosen from the group of copper, silver, gold, zinc, cadmium, and tin.SELECTED DRAWING: Figure 1

The application discloses a method for electroplating a Ni-P-Fe2O3-PTFE composite lubricating layer on the surface of an aluminum nitride base material, which comprises the following steps: performing composite acid liquid micro-etching and roughening treatment on the base material; preparing a gradient transition layer with gradually changed phosphorus content; performing electroplating in a plating solution containing modified Fe2O3 particles and PTFE by adopting a periodic reverse current and intermittent ultrasonic coupling process; and finally performing two-stage heat treatment. By constructing a unique structure of a PTFE lubricating network and Fe2O3 interface pinning, the application synchronously realizes strong combination (Lc2> 50 N) of the plating layer and the base material, high hardness (HV> 400), low friction (μ< 0.12) and excellent wear resistance, effectively solves the problem of the contradiction between poor combination of the metal lubricating layer on the surface of the aluminum nitride and performance, and the process is stable and controllable and suitable for complex-shaped parts.

The invention relates to an external part (10) for use in the watchmaking, jewellery or high jewellery industry, comprising a substrate (100) having a support face (101) made of a material comprising at least 50% by mass of titanium, on which is deposited a semi-transparent thin-film dielectric coating (110) comprising at least three layers, including a base layer (111) made of TiO2 covering the support face (101), a top layer (112) made of TiO2 and an intermediate layer (113) made of Al2O3 and deposited between the base layer (111) and the top layer (112).

One embodiment of the present disclosure provides a copper foil including a copper film having a matte surface and a shiny surface; and a protective layer disposed on the copper film, wherein the copper foil has a room-temperature GOS value in the range of 4° to 12°. The room-temperature GOS value is measured at room temperature for a cross-section of the copper foil using an electron backscatter diffraction (EBSD) pattern analyzer.

A method of additively manufacturing an aircraft part, having steps of: forming a base, defining a shape of the aircraft part, out of first thermoplastic polymer; forming a lower support surface onto discrete locations of the base by printing a mixture of a second thermoplastic polymer and a catalyst compound formed with metal onto the discrete locations, such that the lower support surface is formed with cavities; and forming an upper support surface by depositing, via electrolysis deposition, a metal plating onto the lower support surface along the discrete locations, to thereby form the aircraft part.

Provided are a manganese-iridium composite oxide, which is inexpensive and has high catalytic activity, for use as an anode catalyst for oxygen generation in water electrolysis, a manganese-iridium composite oxide electrode material, and a method for producing the same. A manganese-iridium composite oxide characterized in that the metal of iridium has a composition ratio of (iridium / (manganese+iridium) of 0.1 atom% or more and 30 atom% or less, and has at least a crystal face spacing of 0.243±0.002 nm, 0.214±0.002 nm, 0.165±0.002 nm, and 0.140±0.002 nm. Also provided is a manganese-iridium composite oxide electrode material formed of an electrically conductive substrate composed of fibers at least a part of which is coated with the above-described manganese-iridium composite oxide.

This invention relates to a method for integrated weaving of multilayer hollow tubular fabrics and the resulting composite fabric. The method involves online weaving to form a coaxially nested core layer, at least one intermediate layer, and a surface tubular skeleton. A first-stage heat treatment using core-sheath structure yarns achieves initial interlayer bonding. Subsequently, an ultrasonically treated zirconium salt solution is injected into the inner cavity and / or interlayer cavities. Under pressure, a programmed gradient temperature rise and electrolytic coupling process is used to reduce and oxidize zirconium ions in situ, generating highly dispersed nano-zirconia on the inner wall of the cavity and the surface of the Z-axis reinforcing fibers, which then tightly bonds with the fabric matrix. This method solves the problems of weak interlayer bonding and uneven dispersion of nanomaterials, achieving structural and functional integration. The resulting composite fabric exhibits high interlayer shear strength and excellent overall performance.

The present invention relates to a method for enabling the electrochemical activation of metal electrodes and metal foam electrodes, more specifically nickel electrodes, and in particular nickel foam electrodes. Furthermore, the present invention also relates to metal electrodes and metal foam electrodes, more specifically nickel electrodes, and in particular nickel foam electrodes obtained by the above electrochemical activation method. Furthermore, the present invention also relates to the use of metal electrodes and metal foam electrodes, more specifically nickel electrodes, and in particular nickel foam electrodes, electrochemically activated by the method of the present invention, in electrochemical reactions, electrolysis of organic compounds, catalysts for organic chemical reactions, and hydroelectrolysis.

This invention relates to a Ru / C cluster catalyst for the electrocatalytic PTA-to-CHDA reaction, its preparation method, and its application. The method employs a molten salt electrolyte containing carbonate; a Ru-containing compound and a morphology control agent are mixed with the molten salt electrolyte; heating is performed to form an ion-conducting molten electrolyte system; electrolysis at constant potential or constant current allows the Ru element in the precursor and the C element in the carbonate to be co-electrodeposited on the cathode surface, forming a supported metal catalyst; after electrolysis, cooling is performed, and the catalyst is collected from the cathode, washed, and dried to obtain the supported metal catalyst. This invention provides a one-step in-situ generation of amorphous carbon-supported supported Ru / C catalysts, effectively simplifying the complex multi-step preparation process of traditional catalysts, reducing energy consumption and production costs, and solving the problem of existing technologies struggling to prepare Ru-group cluster catalysts with uniform size, good dispersibility, and high stability.

This invention discloses a strongly interfacially bonded multimetal hydroxide catalyst electrode, its preparation method, and its application, belonging to the technical field of alkaline water electrolysis hydrogen production catalyst preparation. First, a metal substrate is pretreated. Then, using the metal substrate as the working electrode and a platinum sheet as the counter electrode, deposition is performed using a dual-potential step chronoamperometric method. After deposition, a multimetal hydroxide catalyst electrode is obtained. This invention utilizes the aforementioned strongly interfacially bonded multimetal hydroxide catalyst electrode, its preparation method, and its application. The resulting multimetal hydroxide catalyst electrode exhibits high uniformity and strong bonding with the substrate, and can operate stably under the high temperature, high alkalinity, and high current density conditions of industrial alkaline water electrolysis hydrogen production.

The steel sheet for plating according to an aspect of the present invention has a GDS profile of an Mn element and a GDS profile of an Si element, which are observed from the surface to the depth, sequentially including a maximum point and a minimum point, wherein a difference of converted concentration of Mn is 10% or more, and a difference of converted concentration of Si is 10% or more.