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215results about "Electrolytic organic material coating" patented technology

Graphene / polyaniline composite film with gradient structure as well as preparation method and application of graphene / polyaniline composite film

The invention discloses a graphene / polyaniline composite film with a gradient structure and a preparation method and application thereof, the preparation method comprises the following steps: S1, preparing a coating template, and uniformly coating the coating template with a graphene oxide dispersion liquid to obtain a graphene oxide porous template; s2, performing electrochemical reduction on the graphene oxide porous template to obtain a reduced graphene oxide porous template; and S3, carrying out polyaniline electrodeposition on the reduced graphene oxide porous template to obtain the graphene / polyaniline composite film with a gradient structure. The graphene / polyaniline composite film prepared by the invention has a gradient structure, and can improve various ion energy storage characteristics and conductivity of the material.
Owner:SOUTHWEST PETROLEUM UNIV

Cortisol and sodium ion difunctional detection sensor and preparation method thereof

The invention discloses a cortisol and sodium ion difunctional detection sensor and a preparation method thereof, and belongs to the technical field of sensing detection, the cortisol and sodium ion difunctional detection sensor comprises a substrate layer, a sodium ion detection module and a cortisol detection module, the bionic micro-fluidic unit is provided with a plurality of runner holes, and an embedded capillary pump structure is arranged in each runner hole so as to guide liquid to be detected to the sodium ion detection module and the cortisol detection module; and the shielding layer covers the surface of the bionic micro-fluidic unit. The sodium ion detection module and the cortisol detection module are specifically designed, so that wide-range detection of sodium ion concentration and low-concentration detection of cortisol are realized, a high-altitude low-pressure environment of a pilot can be matched, the sodium ion concentration and the cortisol concentration of the pilot can be accurately detected, and the detection accuracy is improved. Accurate detection of the signs of the pilot in the high-altitude flight process is achieved.
Owner:HUAZHONG UNIV OF SCI & TECH

Composite inner fixing device for bionic lantern frame and preparation method

The invention discloses a bionic lantern frame composite internal fixing device and a preparation method, and relates to the technical field of orthopedic medical instruments, the bionic lantern frame composite internal fixing device comprises an implant and a multi-rod bridging structure, the multi-rod bridging structure is composed of a plurality of longitudinal connecting rods and transverse locking nails, and the implant is composed of a plurality of multi-level bionic structures; the multi-layer bionic structure comprises two hexagonal upper and lower layer structures which are symmetrically arranged and a middle spiral layer structure arranged between the two hexagonal upper and lower layer structures. According to the invention, inspired from honeycomb and ox horn macro-microstructure, the multi-level bionic structure prepared by adopting a coupling bionic technology has excellent mechanical properties and strong buffering and vibration absorbing capabilities, can be effectively matched with the mechanical properties of natural bones, and can effectively avoid secondary injury and stress shielding effect after implantation of a patient; the composite coating introduced through an electrochemical deposition method solves the problems that a single implant structure is insufficient in biocompatibility, insufficient in antibacterial property and weak in osteogenic differentiation capacity.
Owner:JILIN UNIVERSITY

Preparation method of collagen material stripped from electrode and use of collagen material

A preparation method of a collagen material stripped from an electrode and a use of the collagen material are provided. The preparation method of a collagen material stripped from an electrode includes the following step: subjecting a collagen solution including hydrogen peroxide and / or acetic acid to electro-deposition (EDP) to obtain the collagen material on the electrode. The preparation method can lead to a collagen material directly on a surface of an electrode.
Owner:EAST CHINA UNIV OF SCI & TECH

Production process of strippable copper foil

The invention relates to the technical field of copper foil production, in particular to a production process of strippable copper foil. The preparation method comprises the following steps: by taking an HTE copper foil as a base material, completing pretreatment of the copper foil by adopting a vapor deposition process; after the pretreated copper foil is washed, high voltage is applied to the cathode and the anode in an inert gas environment, so that a metal isolation layer is formed on the surface of the pretreated copper foil, and a carrier copper foil is obtained; the obtained carrier copper foil is put into an electrolyte containing cerous nitrate, gluconic acid and tetradecanoic acid, a compact organic cerium protective film layer is generated on the surface of the carrier copper foil after electro-deposition, and the organic cerium protective film layer and the metal isolation layer are mutually cooperated and matched, so that the corrosion resistance and the oxidation resistance of the strippable copper foil are further improved; the strippable copper foil produced by the invention not only has excellent corrosion resistance, oxidation resistance and mechanical properties, but also has excellent stripping performance, so that the service life of the strippable copper foil is prolonged, and the quality of the strippable copper foil is effectively ensured.
Owner:GUANGDONG FINE YUAN SCI TECH CO LTD

Implant loaded with antibacterial coating and coating preparation method

The invention discloses a preparation method of a coating loaded with an antibacterial coating. The preparation method comprises the following steps: pretreating a titanium sheet, preparing an electrolyte, preparing Ti (at) col-I, preparing Carat UiO-66, preparing a Ti (at) col-I (at) Carat UiO-66 coating, and preparing a Ti (at) col-I (at) Carat UiO-66 (at) LBL coating. According to the coating preparation method and the implant provided by the invention, the carvacrol-loaded UiO-66 mineralized collagen coating is prepared by utilizing an electrochemical deposition and layer-by-layer self-assembly technology, so that the surface osseointegration capability of a titanium-based material is improved, the surface of the titanium-based material is endowed with antibacterial capability, and infection around the implant is reduced; the initial stability and the clinical curative effect are improved.
Owner:THE AFFILIATED HOSPITAL OF HANGZHOU NORMAL UNIV

Nitrogen heterocyclic compound modified corrosion-resistant high-entropy alloy coating as well as preparation method and application thereof

The invention belongs to the technical field of surface engineering protective coatings, and discloses a nitrogen heterocyclic compound modified corrosion-resistant high-entropy alloy coating as well as a preparation method and application thereof. The preparation method comprises the following steps that firstly, a magnetron sputtering technology is adopted, a CoCrFeMnNi target serves as a cathode target material, and a corrosion-resistant high-entropy alloy coating is obtained through deposition on the surface of a base body; and then, in a three-electrode system, the corrosion-resistant high-entropy alloy coating is placed in an electrolyte containing a nitrogen heterocyclic onium salt compound to be subjected to electro-deposition, and the nitrogen heterocyclic compound modified corrosion-resistant high-entropy alloy coating is prepared. The corrosion-resistant inorganic-organic hybrid coating prepared by the invention has excellent corrosion resistance, can keep high stability and durability in a complex corrosion environment, and has relatively high corrosion potential and relatively low corrosion current density. The coating can remarkably prolong the service life of a structural base material, is suitable for various harsh working conditions, and provides an efficient and reliable protection solution for industrial application.
Owner:HENAN ACADEMY OF SCI CHEM RES INST CO LTD +1

Ultrathin copper foil with carrier and method for producing the same

To provide an ultrathin copper foil with carrier and a method for producing the same.SOLUTION: An ultrathin copper foil with carrier comprises a carrier copper foil, a mold release layer, and an ultrathin copper layer. The mold release layer is formed on one surface of the carrier copper foil. The mold release layer is composed of a copper-containing organic compound, and the chemical structure of the copper-containing organic compound has at least a copper-nitrogen bond (Cu-N bond). The ultrathin copper layer is formed on the surface of the mold release layer away from the carrier copper foil. The carrier copper foil can be separated from the ultrathin copper layer through the mold release layer.SELECTED DRAWING: Figure 3
Owner:NANYA PLASTICS CORP

Electrolytic tank cathode solid electrolyte interface self-growth method and application thereof in aniline production

The invention belongs to the field of electrochemistry, and discloses a self-growing solid electrolyte interface in an electrolysis process and application of the self-growing solid electrolyte interface in aniline production. The method comprises the following steps: dissolving nitrobenzene, 2-piperidone, lithium bromide and tris (N, N-tetramethylene) phosphamide in an organic solvent to obtain an electrolyte, and placing the electrolyte in a single-chamber electrolytic tank provided with an anode and a cathode for electrolysis, so that a solid electrolyte interface automatically grows on the cathode along with electrolysis and generates electrocatalytic activity. According to the method, hydrogen is not used, so that the risks of combustion and explosion are avoided; the device can be coupled with clean energy power generation, and is environment-friendly and sustainable; the device is simple, the size of the device is obviously reduced, and an exchange membrane does not need to be used for separating a cavity; a catalyst does not need to be loaded on an electrode, and the cost and technical difficulty of synthesizing and loading the catalyst are avoided; the price is low and operation is easy; the problems of inactivation and shedding of the catalyst do not need to be considered, and the long-term stability is good.
Owner:SOUTHEAST UNIV

Electropolymerization For A Biological Sensor

A system includes a wire-holding fixture configured to be received in an EP station. The wire-holding fixture comprises terminals, and each terminal is electrically coupled to a respective working wire of a plurality of working wires. The working wires extend away from the wire-holding fixture. A set of EP stations is included, and each EP station is configured to receive the wire-holding fixture. A container is configured to hold an electropolymerization solution and positioned beneath the EP station such that the working wires is immersible. A board comprising a plurality of electrical contacts is included, and each electrical contact is configured to electrically engage a corresponding terminal. A controller is configured to apply a voltage to the working wires through the respective terminals and electrical contacts to initiate electropolymerization of the material from the electropolymerization solution to form a polymer layer on each working wire.
Owner:ALLEZ HEALTH INC

Ultrathin copper foil with carrier and method for producing same

The invention discloses an ultrathin copper foil with a carrier and a manufacturing method thereof. The ultra-thin copper foil with the carrier comprises a carrier copper foil, a release layer and an ultra-thin copper foil layer. The release layer is formed on one side surface of the carrier copper foil. The release layer is composed of a copper-containing organic compound, and the chemical structure of the copper-containing organic compound has at least a copper-nitrogen bond (Cu-N bond). The ultrathin copper foil layer is formed on the surface of one side, far away from the carrier copper foil, of the release layer. And the carrier copper foil can be separated from the ultrathin copper foil layer through the release layer. Therefore, the carrier copper foil and the ultra-thin copper foil layer in the ultra-thin copper foil with the carrier have a better release effect, and the technical problem that the tearing force is difficult to control due to the fact that the distribution and the content of the release layer are not uniform in the prior art can be solved.
Owner:NANYA PLASTICS CORP

A method for preparing a high-density and high-stability conductive polymer thin film based on electrochemical polymerization

The application discloses a preparation method of a high-density and high-stability conductive polymer film based on electrochemical polymerization, and comprises the following steps: using an oxidant solution and a BFDO monomer solution to pretreat a formed foil to obtain a working electrode, then immersing the working electrode and a reference electrode into an electrolyte to perform electrochemical oxidation polymerization, and obtaining the high-density and high-stability conductive polymer film based on electrochemical polymerization. The pretreated formed foil containing N-type conductive polymer PBFDO is prepared by using a chemical in-situ polymerization method on the formed foil, and when the pretreated formed foil is applied in the field of capacitors, the conductivity and electron transport capacity of the capacitor can be improved, and the stability problem caused by the coupling of positive and negative charges in the traditional capacitor is greatly improved.
Owner:JURONG OPTOELECTRONICS (GUANGZHOU) NEW MATERIAL TECH CO LTD

Preparation method of PANI-ZIF-8 / PA composite coating on surface of metal bipolar plate

The invention discloses a preparation method of a PANI-ZIF-8 / PA composite coating on the surface of a metal bipolar plate, and the preparation method comprises the following steps: firstly, placing the pretreated metal bipolar plate in a mixed solution, obtaining a conductive polymer PANI bottom layer through a constant current deposition method, then dispersing ZIF-8 and PA in deionized water to obtain a ZIF-8 / PA coating, and finally, preparing the PANI-ZIF-8 / PA composite coating on the surface of the metal bipolar plate. Then, the PANI coating is coated with the ZIF-8 / PA coating in a spinning mode, and a PANI-ZIF-8 / PA composite coating is formed; the adhesive force of the PANI bottom layer on the metal bipolar plate is improved through the electro-deposition technology, the corrosion resistance of the PANI-ZIF-8 / PA composite coating is improved through the surface ZIF-8 / PA coating, and the PANI-ZIF-8 / PA composite coating has good application prospects in the fields of proton exchange membrane fuel cells and proton exchange membrane water electrolysis hydrogen production.
Owner:NANTONG UNIV +1

Method for preparing super-hydrophobic composite film layer on surface of aluminum alloy

The invention relates to a method for preparing a super-hydrophobic composite film layer on the surface of an aluminum alloy micro-arc oxidation film, and belongs to the field of metal material surface modification. Firstly, the aluminum alloy surface is pretreated and cleaned; then preparing electrolyte, taking an aluminum alloy sample as an anode, taking a stainless steel barrel as a cathode, and firstly preparing a porous oxidation film layer on the surface of the aluminum alloy by adopting a micro-arc oxidation process; and then a super-hydrophobic film layer (micro-arc oxidation ceramic film / cerium octadecanoate composite film layer) with a micro-nano coarse structure is obtained on the aluminum alloy micro-arc oxidation film layer through an electrochemical deposition method. Compared with a traditional method for preparing the super-hydrophobic film layer, the method has the advantages that the super-hydrophobic film layer with the water contact angle exceeding 150 degrees can be obtained without low-energy modification, and in addition, the surface of the micro-arc oxidation film layer can be effectively sealed. The method has the advantages of simple process operation, high treatment efficiency, controllable coating thickness and the like, and is easy to popularize.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Cross-linked polymer modified carbon fiber, preparation method and composite material

The invention belongs to the technical field of carbon fiber surface treatment, and particularly relates to a cross-linked polymer modified carbon fiber, a preparation method and a composite material. Aiming at the problem of insufficient interface bonding force between the existing polyarylsulfone / ketone thermoplastic sizing agent and the carbon fiber, the core of the invention is to apply a polyarylsulfone / ketone derivative of which a main chain or a side chain is provided with an electrochemically crosslinkable active group to the technical field of carbon fiber surface treatment. And constructing a covalent bond combined three-dimensional network structure coating on the surface of the carbon fiber in situ. According to the method, firm anchoring of the coating and the carbon fibers is achieved, and the interface load transmission efficiency and the interlayer shear strength of the carbon fiber / polyether-ether-ketone composite material can be remarkably improved. The method is mild in process condition, easy in parameter control and convenient in post-treatment, meets green manufacturing requirements, and has remarkable large-scale production advantages.
Owner:JILIN UNIVERSITY

Method of pre-forming anode particles having tailored solid electrolyte interphase composition

A method is provided for pre-forming anode particles for use in lithium ion batteries. The pre-formed anode particles bear a solid electrolyte of a composition that cannot be formed in situ in the battery. The method includes providing a dispersion of anode precursor particles and an additive not found in the battery in a liquid electrolyte solution. Applying a voltage or current across the dispersion forms the solid electrolyte interphase, on the particles. These particles can be used in an electrode of a lithium ion battery.
Owner:GM GLOBAL TECHNOLOGY OPERATIONS LLC

Multilayer nickel-cobalt-based OER catalyst and preparation method thereof

The invention discloses a multilayer nickel-cobalt-based OER catalyst and a preparation method thereof. The multilayer nickel-cobalt-based OER catalyst is characterized in that the catalyst is of a three-layer structure composed of a supporting layer, a middle layer and a skin layer, the supporting layer is foamed nickel, the middle layer is nickel-cobalt layered double hydroxide NiCo-LDH growing on the foamed nickel, the skin layer is ZIF-67, and the ZIF-67 is embedded in the nickel-cobalt layered double hydroxide. The prepared multi-layer nickel-cobalt-based OER catalyst can be applied to the field of electro-catalysis, an organic metal framework material is introduced, meanwhile, use of a binder (such as a Nafion solution) is avoided, controllable synthesis of an MOFs material is achieved, accordingly, excellent OER performance and stability are achieved, a ZIF-67 layer grows through an electroplating method instead of other high-energy-consumption modes such as hydrothermal growth, and the performance of the catalyst is greatly improved. The preparation efficiency is improved, the loss of raw materials is reduced, and higher industrialization potential is brought.
Owner:SUN YAT SEN UNIV

Electro-Fenton cathode and preparation method and application thereof

The invention discloses an electro-Fenton cathode and a preparation method and application thereof. The electro-Fenton cathode comprises a substrate electrode and a ligand-iron oxide interface loaded on the surface of the substrate electrode. According to the method, a ligand-iron oxide interface is constructed by a method of simply adding a low-dose complex, so that the problem that Fe circulation is blocked in a Fenton reaction under a neutral / alkaline condition is solved, and high-added-value oxidation of glycerol is simply and conveniently realized through effective electro-Fenton production of OH and keeping of medium concentration of strong oxidation free radicals; the two bottlenecks of'uncontrollable free radicals' and'easy inactivation of the Fe catalyst 'in the electro-Fenton technology are broken through, and accurate regulation and control of a reaction path are realized through coordination engineering.
Owner:UNIV OF SCI & TECH OF CHINA

Surface treatment method of copper foil, antioxidant copper foil and negative electrode of lithium battery

The invention discloses a surface treatment method of a copper foil, an antioxidant copper foil and a negative electrode of a lithium battery. The anti-oxidation copper foil comprises a copper foil base material and an anti-oxidation layer formed on the copper foil base material. The anti-oxidation layer has a chromium element and is derived from a chromic acid compound, and the anti-oxidation layer has a nitrogen element which is at least partially derived from an aminotetrazole compound and a nitrogen-containing heterocyclic compound. The anti-oxidation copper foil has the following characteristics: (a) the chromium content of the anti-oxidation layer measured by XRF (X-Ray Fluorescence) is 5-35 [mu] g / m < 2 >; (b) the nitrogen content of the anti-oxidation layer measured by XPS is 0.1-10% by mass; (c) analyzing the antioxidant copper foil by headspace-MS (Mass Spectrometry) to determine a C-N signal; and (d) the color difference [Delta] E of the antioxidant copper foil baked at 250 DEG C for 10 minutes is not more than 8. Therefore, the antioxidant copper foil disclosed by the invention has more outstanding heat resistance, so that the antioxidant copper foil is more suitable for being used as a negative electrode material of a lithium battery.
Owner:NANYA PLASTICS CORP

Method for coating Ca-Cur submicron modified material-doped PLA layer on surface of Ag-DCPD film layer

The invention discloses a method for coating a Ca-Cur submicron modified material-doped PLA layer on the surface of an Ag-DCPD film layer, and relates to the technical field of biological coatings on the surfaces of medical materials. The method comprises the following steps: manufacturing an LPBF-NiTi alloy matrix by adopting a laser powder bed melting additive manufacturing technology, and carrying out pretreatment on the LPBF-NiTi alloy matrix; the pretreated LPBF-NiTi alloy matrix is subjected to electrochemical deposition in an electrolyte solution, and the LPBF-NiTi alloy matrix with the deposited Ag-DCPD film layer is obtained; the preparation method comprises the following steps: dissolving CaCl2 and curcumin in absolute ethyl alcohol, putting the solution into a closed container filled with (NH4) 2CO3, and carrying out constant-temperature reaction to obtain a Ca-Cur submicron modified material; polylactic acid is dissolved in dichloromethane, then the Ca-Cur submicron modified material is dispersed in the dichloromethane, and a leaching solution is obtained; and the LPBF-NiTi alloy matrix on which the Ag-DCPD film layer is deposited is subjected to repeated dipping and pulling in the leaching solution, and the LPBF-NiTi alloy matrix coated with the Ag-DCPD / PLA / Ca-Cur composite film layer is obtained. According to the invention, the corrosion resistance, the biocompatibility and the antibacterial and anti-inflammatory performance of the Ag-DCPD film layer are successfully improved.
Owner:JILIN UNIVERSITY

Composite photo-thermal material Fe / PANI / GF and preparation method and application thereof

The invention belongs to the technical field of photo-thermal evaporation materials, and discloses a composite photo-thermal material Fe / PANI / GF and a preparation method and application thereof. The preparation method of the composite photo-thermal material Fe / PANI / GF comprises the following steps: taking graphite felt (GF), and activating at high temperature to obtain activated graphite felt; uniformly depositing polyaniline on the surface of the activated graphite felt by adopting a constant current method or a cyclic voltammetry to obtain acid-doped polyaniline (PANIES / GF); and dipping the acid-doped polyaniline in a ferric salt solution or a ferrous salt solution, and dispersing and loading Fe on the PANI nano-particle layer through Fe-N coordination to obtain the composite photo-thermal material Fe / PANI / GF. The method shows wide application prospects in the fields of seawater desalination, high-salinity wastewater treatment, heat-assisted power generation, photo-thermal driven sterilization, soil remediation and the like, and an innovative scheme is provided for solving the problems that a traditional photo-thermal material is low in efficiency, poor in stability, high in cost and the like.
Owner:XIAN POWER TRANSMISSION & TRANSFORMATION PROJECT ENVIRONMENTAL IMPACT CONTROL TECHN CENT CO LTD +1

Preparation method of high-compactness and high-stability conductive polymer film based on electrochemical polymerization

The invention discloses a preparation method of a high-compactness and high-stability conductive polymer film based on electrochemical polymerization, which comprises the following steps: pretreating a formed foil by using an oxidant solution and a BFDO monomer solution to obtain a working electrode, then immersing the working electrode and a reference electrode into an electrolyte, and carrying out electrochemical oxidation polymerization to obtain the conductive polymer film with high compactness and high stability. The high-compactness and high-stability conductive polymer film based on electrochemical polymerization is obtained. The pretreated formed foil containing the N-type conductive polymer PBFDO is prepared on the formed foil by using a chemical in-situ polymerization method, and when the pretreated formed foil is applied to the field of capacitors, the electric conductivity and the electron transmission capacity of the capacitors can be improved, and the stability problem caused by positive and negative charge coupling in a traditional capacitor is greatly solved.
Owner:JURONG OPTOELECTRONICS (GUANGZHOU) NEW MATERIAL TECH CO LTD

Formation of organic electrografted coatings on conductive or semiconductive surfaces.

To provide a biocompatible article by grafting an organic coated film onto a conductive or semi-conductive surface.SOLUTION: There is provided a biocompatible article containing an organic coated film acceptable for ionic transportation with a conductive or semi-conductive surface or a part of the surface, electrically grafted to the surface or the part thereof, and electrically grafted to the surface or the part thereof by electric reduction of a solution containing at least one kind of diazonium salt, and a chain polymerizable functional group, and at least one kind of macro article which is a precursor material of the organic coated film.SELECTED DRAWING: Figure 1
Owner:アルシメディク

Bipolar plate composite coating preparation method based on high-entropy alloy and conductive polymer

The invention discloses a preparation method of a bipolar plate composite coating based on a high-entropy alloy and a conductive polymer, which comprises the following steps: firstly, electro-depositing a layer of high-entropy alloy coating on the surface of a pretreated bipolar plate, and then continuously carrying out electro-polymerization to prepare a polymer coating, thereby forming the composite coating. Through the mode, according to the preparation method of the bipolar plate composite coating based on the high-entropy alloy and the conductive polymer, the comprehensive performance such as corrosion resistance and conductivity of a bipolar plate is effectively improved, the performance requirement for a metal bipolar plate is met, and the preparation method has a wide application prospect in the field of corrosion protection.
Owner:GANSU QINGQIJI ZHONGNENG HYDROGEN ENERGY TECH CO LTD

A preparation device for tantalum nitride-coated steel material

The present invention relates to a preparation device for tantalum nitride coated steel material, which comprises a reaction chamber, an induction heating system, a liquid collecting tank and a gas pumping and injecting system; the reaction chamber includes a reaction tank, a cover plate, a first cap and a second cap, and the reaction tank is made of an insulating material; the cover plate covers the reaction tank and is hermetically connected, and a large round hole is provided on the cover plate; the first cap and the second cap are not used simultaneously, and both the first cap and the second cap can be hermetically connected to the large round hole; an anode connector and a tantalum electrode are provided on the first cap, the anode connector is connected to the tantalum electrode, and the tantalum electrode can extend into the reaction tank; a cathode connector communicating with the inside of the reaction tank is provided on the cover plate or the reaction tank; a trachea is provided on the second cap, and the trachea communicates with the liquid collecting tank through a condenser tube or communicates with the gas pumping and injecting system through a pipeline; the induction heating system is arranged around the outer periphery of the reaction tank. The device of the present invention has low equipment and raw material costs, is simple to operate, and the tantalum nitride film on the surface of the steel material is uniform, complete and of good quality.
Owner:TOP FLIGHT TECH CO LTD +1

Multi-dimensional regulation and control metal organic framework composite electrode and preparation method and application thereof

The invention relates to a multi-dimensional regulation metal organic framework composite electrode and a preparation method and application thereof, and the preparation method comprises the following steps: (1) placing a substrate in an electroplating solution, and carrying out pulse electrochemical deposition on the substrate to obtain a metal organic framework composite precursor; (2) putting the metal organic framework composite precursor obtained in the step (1) into conductive filler dispersion liquid, and performing ultrasonic treatment to obtain a metal organic framework composite precursor loaded with conductive filler; and (3) carrying out heat treatment on the metal organic framework composite precursor loaded with the conductive filler obtained in the step (2) to obtain the multi-dimensional regulation metal organic framework composite electrode, the on-off time ratio Ton / Toff of the pulse electrochemical deposition in the step (1) is (1-3): 1. The structure of the composite electrode is regulated and controlled through a pulse electrochemical deposition process, the composite electrode with excellent conductivity, high electrocatalytic activity and high stability is obtained, and the requirements of the fields of electrocatalysis, energy storage and the like are met.
Owner:赵慎龙

Anode Array and Controller for Electrochemical Layer Deposition

An apparatus for use in electrochemical layer deposition includes an anode array containing a plurality of independently electrically controllable anodes and immersible in an electrolyte. The plurality of anodes are arranged in a two-dimensional array. The anode array is connected electrically to, or disposed upon an integrated circuit, semiconductor, or combination of conductive and insulative elements meant for biasing the plurality of anodes with a potential. An anode addressing circuit is provided to receive a signal containing anode address data and to output a signal causing an anode array pattern. The anode addressing circuit communicates with a controller and the anode array. The controller is configured to electrically control each one of the plurality of anodes in the anode array to result in an electrochemical reaction at a cathode to deposit a layer corresponding to the anode array pattern signal received from the addressing circuit.
Owner:FABRIC8LABS INC

A method for preparing a metal organic framework film by hydrogen peroxide-assisted cathode electrodeposition

The invention discloses a method for preparing a hydrogen peroxide-assisted cathode electrodeposition metal organic framework film, and relates to the field of electrochemical synthesis technology. The main points of its technical solution are: specifically comprising the following steps: S1, preparing a cathode electrodeposition solution, dissolving 5 5000mM (millimoles per liter) of a metal salt, 5 5000mM of an organic ligand molecule, and 0.1 5000mM of hydrogen peroxide in an aprotic solvent to obtain a cathode electrodeposition solution; S2, using a method in which a reduction potential is applied to a conductive substrate, cathode electrodeposition is performed on the obtained cathode electrodeposition solution to obtain a metal organic framework film. The method of the present invention utilizes hydrogen peroxide electrochemistry to induce the dehydrogenation of organic ligand molecules at a relatively low potential, thereby achieving the purpose of generating a high-purity MOF film. The preparation method is simple, efficient, low-cost, and has a replaceable working electrode, and can be applied to the preparation of a variety of MOF films containing different metal nodes.
Owner:SOUTHWEST UNIV

Method of pre-forming anode particles having solid electrolyte intermediate phase composition

A method for pre-forming anode particles for a lithium ion battery is provided. The pre-formed anode particles carry a solid electrolyte of a composition that cannot be formed in situ in the cell. The method includes providing a dispersion of anode precursor particles and an additive not found in the cell in a liquid electrolyte solution. Applying a voltage or current on the dispersion forms a solid electrolyte intermediate phase on the particles. These particles may be used in electrodes of lithium ion batteries.
Owner:GM GLOBAL TECHNOLOGY OPERATIONS LLC

An anti-hydrogen enhancement protection method between the current collector of a transparent energy storage battery and the electrode material

The present invention discloses a method for anti-hydrogen enhancement protection between a transparent energy storage battery current collector and an electrode material, which includes first coating an electrode material on a conductive transparent current collector and sintering it at a high temperature to form an electrode material thin film; secondly, preparing an electrolyte solution required for electro-depositing a polymer anti-hydrogen protection layer; then putting the electrolyte solution into a glass electrolytic cell, using the electrode material thin film on the transparent current collector as the working electrode, a platinum sheet as the counter electrode, and a saturated calomel as the reference electrode, scanning 60-80 cycles at a voltage of 0 to +1.5V with a scanning rate of 100mv / s. After the scanning is completed, the working electrode is rinsed with ethanol and cured at 150 degrees Celsius in the air for 30 minutes to obtain a "protection layer + conductive transparent current collector / electrode material" structure. The present invention prepares an electro-polymerized polymer anti-hydrogen protection layer between the conductive transparent current collector and the electrode material through an electrochemical method, constructs a battery with the transparent current collector as the electrode, can conduct a light transmittance experiment on this battery, and expands the application of the transparent current collector.
Owner:NANCHANG HANGKONG UNIVERSITY