340 results about "Metal anode" patented technology

A method for preparing a carbon nanotube sodiophilic metal anode-free sodium metal battery electrode material is provided, and the method includes the following steps: the carbon nanotubes are modified by a dielectric barrier plasma device; the modified carbon nanotubes are mixed and stirred with a sodiophilic metal salt to obtain a precursor slurry; the precursor slurry is dried, placed in a tube furnace after drying, and heated by introducing a reducing gas to react, thereby obtaining a carbon nanotube sodiophilic metal anode-free sodium metal battery electrode material. The electrode material prepared by the method has a stable structure, excellent electrical conductivity, and excellent sodium affinity, and can be applied to anode-free sodium metal battery electrode materials. The entire preparation process is controllable, the synthesis cycle is short, and the operation is simple.

The invention belongs to the technical field of metal battery diaphragms, and particularly relates to a metal battery composite diaphragm and a preparation method and application thereof.The metal battery composite diaphragm comprises a diaphragm substrate, conducting layers and insulating layers, the conducting layers are deposited on the two faces of the diaphragm substrate, and the insulating layers are deposited on the outer side faces of the conducting layers; the conductive layer is one of TiN, MoN, SnO2, ITO, Al, Sn, Fe, Zn, Pt, Ni, Cu, Co, Au, Ag, Pb, Ti, Mo and C; and the insulating layer is one of Al2O3, ZrO2, TiO2, HfO2, SiO2, BN, C3N4, BaTiO3, SrTiO3 and Si. According to the invention, the distribution of an electric field and a thermal field of a diaphragm / electrolyte / electrode interface can be effectively adjusted, the migration kinetics of active ions is improved, the non-uniform deposition of a metal anode is regularized, the effect of inhibiting the disordered growth of dendrites of the metal anode is realized, and the metal battery shows excellent electrical properties.

The invention discloses a glue stick type portable air battery monomer device which comprises a rotating mechanism and a shell, the rotating mechanism comprises a knob, a hollow spiral stick is arranged below the knob, an air inlet is formed in the upper end face of the knob, and the rotating mechanism further comprises a spiral cylinder base. A threaded hole matched with the threads of the hollow spiral rod is formed in the spiral cylinder base, a metal anode and an air cathode film are connected to the lower end face of the spiral cylinder base, the air cathode film is arranged below the threaded hole of the spiral cylinder base, and a sliding structure matched with the metal anode and the shell is arranged between the metal anode and the shell. An electrolyte storage cavity is formed in the bottom of the shell, and a positive electrode metal connecting piece and a negative electrode metal connecting piece are arranged in the electrolyte storage cavity. According to the invention, the technical problem that the electrolyte of the air battery is easy to leak is solved, and the portable air battery can be conveniently carried and quickly used in special scenes such as field investigation and emergency rescue.

Embodiments relate to an electrolyte composition including a cyclic fluorinated ether diluent configured to configured to control reactions between a metal anode of a metal ion battery and the electrolyte composition. Embodiments further relate to a solid electrolyte interphase (SEI) bilayer formed on a surface of the metal anode and to a metal ion battery including the cyclic fluorinated ether diluent and / or the SEI bilayer.

The infrared-enhanced single-photon avalanche diode device comprises a P + photosensitive region located at the center of the surface of the device, a P-injection region surrounding the outer side of the P + photosensitive region, a deep N well surrounding the outer side of the P-injection region, and a P-type substrate surrounding the outer side of the deep N well; the P + photosensitive region, the P-injection region and the deep N well are flush with the upper surface of the P-type substrate; the P + photosensitive region is used as a photosensitive surface to absorb photons, and a metal anode is led out from the surface to form ohmic contact; a P-type charge layer is embedded in the P-injection region, an N-buried layer is embedded in the deep N well, the N-buried layer is located below the P-type charge layer, and the P-type charge layer and the N-buried layer are located at the central position of the device; and the N buried layer forms a main avalanche region with a deeper depth. According to the invention, the detection efficiency of the silicon-based single-photon avalanche diode in a near-infrared band can be effectively improved.

The invention belongs to the technical field of electroplating, and particularly discloses a real-time supplementing method for plating solution metal cations during electroplating. Aiming at the problems of large concentration fluctuation of metal cations and low supplementing efficiency in the traditional electroplating process, the method realizes dynamic balance of the metal cations through an electroplating synchronous electrolysis and anion exchange membrane technology. According to the technical key points, an electroplating liquid chamber and an electrolyte chamber are separated by adopting an anion exchange membrane; ions are supplemented by electrolyzing a soluble single-metal anode corresponding to metal to be plated, and meanwhile, an electrolytic cathode is arranged in an electrolyte chamber, so that metal deposition is avoided; the ion-selective electrode is used for monitoring the concentration of metal cations in real time, and the electrolytic current is automatically adjusted when the concentration deviation exceeds + / -5%. According to the method, ions are directionally supplemented through electrolysis, plating solution pollution and component fluctuation are avoided, and the uniformity and the qualification rate of a plating layer are improved. And the method is suitable for single-metal and multi-element alloy electroplating systems, can be integrated in processes such as jet electrodeposition and bath plating, is high in adaptability, and has industrial application potential.

The invention relates to a silicon-based OLED assembly and a manufacturing method thereof. The manufacturing method of the silicon-based OLED assembly comprises the following steps: providing a substrate; forming a plurality of metal anode units spaced by a preset distance on the substrate and pixel isolation layers located between the adjacent metal anode units; evaporating a blue phosphorescent layer on the substrate; wherein the blue phosphorescent layer covers the metal anode unit and the pixel isolation layer; sputtering a transparent cathode layer on the blue phosphor layer; depositing a first inorganic film packaging layer on the transparent cathode layer; forming a quantum dot color conversion layer on the first inorganic film encapsulation layer, wherein the quantum dot color conversion layer does not comprise a blue color conversion layer; compared with a white light OLED, the blue phosphorescent layer is used for emitting light, so that the OLED is simpler in structure, thinner in film layer and higher in light emitting efficiency; in addition, a traditional blue color green light film is removed from the quantum dot color conversion layer, and blue light brightness attenuation and luminous efficiency loss caused by the fact that a light source penetrates through a color filter film are avoided.

The invention relates to an InP-based back incidence coplanar electrode position sensitive detector, which belongs to the technical field of photoelectric detectors, and is characterized in that an array is formed by a plurality of back incidence PSD units, the upper layers of the back incidence PSD units share a cathode, and an innovative structure capable of generating a better photoelectric effect is adopted; a common cathode layer, a P-type heavily doped layer for ohmic contact, a high-resistance silicon substrate layer and an InP dioxide substrate layer are sequentially arranged along the direction of incident light, a photosensitive area, a frame area and an isolation area are sequentially arranged on the lower portion of the high-resistance silicon substrate layer from inside to outside, and metal anodes are implanted in the positions of four end points of the InP dioxide substrate in contrast with the frame area. The structure greatly reduces the PSD array gap, eliminates the sampling blind area, has the advantages of simple signal processing, higher detection rate, high integration level, low cost, simple process and the like, and can be widely applied to the fields of wavefront detection, pose detection and the like to meet the various requirements of manufacturing super-large target surface, high-speed and high-density detectors and the like.

The invention provides a sodium metal negative electrode structure, a preparation method thereof and a sodium ion battery. The sodium metal negative electrode structure comprises a sodium metal sheet and an artificial interface modification structure formed on the surface of the sodium metal sheet, the artificial interface modification structure comprises an evaporation structure, and the evaporation structure is formed on the surface of the sodium metal sheet through a vacuum evaporation technology; the evaporation structure is made of at least one of a sodium alloy, an SEI inorganic film-forming agent or a conductive metal simple substance, and the sodium alloy comprises sodium and metal and / or nonmetal alloyed with the sodium; the SEI inorganic film-forming agent can provide effective inorganic components for the SEI layer. The modified structure formed by vacuum evaporation has good uniformity, stability, density and adhesive force, so that the sodium metal negative electrode structure shows good interface stability, thereby prolonging the cycle life of the sodium ion battery and improving the capacity retention ratio of the sodium ion battery.

The invention discloses a gallium oxide-based Schottky barrier diode and a preparation method thereof. The method comprises the following steps: preparing a gallium oxide substrate; performing oxygen plasma treatment in a reactive ion etching system; feeding the sample into a tubular furnace, and annealing in an air atmosphere; then sending the annealed sample into electron beam evaporation equipment for back metal silver electrode growth; next, the sample is sent into rapid thermal annealing equipment to be annealed in the N2 atmosphere, and ohmic contact is formed; then, under the conditions that the growth speed is 0.01-0.1 nm / s and the vacuum degree is lower than 1 * 10 <-4 > Pa, field plate oxide Al2O3 grows on the surface treatment acting layer of the substrate through electron beam evaporation; and finally growing a metal anode at the top of the device by electron beam evaporation equipment. According to the technical scheme provided by the invention, the problem of preparing the gallium oxide-based Schottky barrier diode with low forward conduction loss under the condition of maintaining high breakdown voltage of the device is solved.

The utility model discloses an electrolytic bath for preparing rare earth metal. The electrolytic cell comprises a cell body, a solid cathode, a crucible and an anode, the tank body is provided with a graphite layer, the graphite layer comprises a graphite layer side part and a graphite layer bottom, and the graphite layer bottom is provided with a notch; the solid-state cathode is arranged in the cell body, and one part of the solid-state cathode is arranged in the notch; the upper end of the solid cathode is higher than the upper end face of the bottom of the graphite layer, an expansion cavity is formed between the side face of the solid cathode and the inner surface of the graphite layer, and an insulating layer is arranged in the expansion cavity; the crucible is arranged above the solid-state cathode and is in contact with the solid-state cathode; the crucible is arranged to receive liquid rare earth metal generated by electrolysis; and at least one part of the anode is arranged in the tank body, and the anode is arranged above the crucible. The solid-liquid mixed cathode at the bottom of the electrolytic cell is used as the cathode, so that the reaction area is increased, and the electrolytic efficiency is improved.

The invention discloses a metal-air flow battery device based on an ultrasonic air focusing method. A metal-air flow battery belongs to the technical field of mutual crossing of ultrasound and electrochemistry and comprises a piezoelectric plate, a piezoelectric plate and acoustic lens fixing support, an acoustic lens, a metal-air flow battery fixing platform, a connecting platform of the whole device, a metal-air flow battery unit, an electrolyte inlet pipe and an electrolyte outlet pipe. According to the device, a sound field generated by ultrasound acts on the surface of the cathode electrode, so that sound pressure and sound stream jointly act on a three-phase reaction interface, and the oxidation-reduction reaction rate at the three-phase reaction interface is increased. The battery device comprises a piezoelectric plate, a piezoelectric plate driving power supply, an electrolytic bath, a metal anode, an air cathode, an acoustic lens and a peristaltic pump, the device can be combined with other traditional methods for improving the performance of the metal-air battery; the device for improving the performance of the battery can be used as an external component and does not influence the internal structure and the stability of the battery.

The invention discloses an artificial interface layer, a preparation method thereof and an all-solid-state sodium battery, and belongs to the technical field of electrochemical energy storage. The artificial interface layer is composed of Na3Sb and NaF, and the molar ratio of the Na3Sb to the NaF is 1: 3. The artificial interface layer composed of Na3Sb and NaF is constructed on the surface of the sodium metal negative electrode, so that collaborative optimization of interface chemical stability, ionic conductivity and mechanical strength is realized.

The invention relates to the technical field of electrode coating preparation, in particular to an iridium tantalum coating for a metal electrolysis anode plate and a preparation method. The catalyst comprises the following raw materials: iridium acetylacetonate, 1, 3-propylene glycol, tantalum pentoxide and dimethylplatinum dichloride. According to the method, the grooves are formed in the surface of the metal anode plate, then part of the substrate liquid is coated on the surface of the metal anode plate, so that the substrate liquid permeates into the grooves and forms the substrate film on the surface, the doped film is formed on the substrate film through a vacuum evaporation method, and the doped film is formed on the substrate film through the bonding characteristic of the substrate film and the high adhesiveness provided by the grooves. A substrate film and a doped film are firmly combined on the surface of a metal anode plate, carboxyl functional groups in 1, 3-propylene glycol in residual substrate liquid are cross-linked and matched with dichlorodimethylplatinum, so that the corrosion resistance and the wear resistance of the coating are improved, the binding force of the coating and other materials is improved, and the iridium tantalum coating with strong adhesive force is generated; and the coating is prevented from falling off, so that the corrosion resistance of the anode plate is ensured.

The utility model discloses a water heater which comprises a water tank, an electronic anode and an air power supply module. The air power supply module comprises a shell in which a liquid storage cavity is formed, and the liquid storage cavity is filled with electrolyte; a cathode film is arranged in the shell, the inner surface of the cathode film is in contact with the electrolyte, and the outer surface of the cathode film is configured to be in contact with air; the metal anode is arranged in the shell; the electrode assembly comprises a first electrode and a second electrode; wherein an exhaust hole is formed in the shell, and a waterproof breathable component is arranged on the exhaust hole; the waterproof breathable component comprises a first membrane and a second membrane, and the second membrane is arranged on the inner side of the first membrane; the first membrane is configured to prevent water in the liquid storage cavity from flowing out and allow gas in the liquid storage cavity to pass through and be exhausted. The service life of the air power supply module is longer under the condition that the current anti-corrosion requirement of the water heater is met, the replacement frequency of a user is reduced, and the use experience of the user is improved.

An apparatus, system and method consists of an electrolytic cell designed for simultaneous removal of total aqueous ammonia in the anolyte and production of high purity hydrogen gas in an electrolyte-free cathodic compartment. The system is designed as a divided electrochemical cell, separated by a proton exchange membrane. The cathode side is of “zero-gap-design”, where a carbon-based catalytic material is hot-pressed onto the proton exchange membrane adjacent to a cathodic current collector. Ammonia is concentrated in a high concentration brine, which flows through a conduit that is positioned in between the dividing membrane and a metal anode. The pure, high concentration brine permits operation at high current densities without the formation of fouling layers. Protons released from the oxidation of ammonia are transported across the proton exchange membrane, where hydrogen evolution proceeds in a porous, catalyst coated cathode, and facilitates the production of significant amounts of hydrogen gas.

The invention discloses a wide bandgap power diode with a periodic composite anode, which comprises a wide bandgap semiconductor material substrate layer, a third anode groove, a wide bandgap semiconductor material epitaxial layer, and a periodic first anode groove and a periodic second anode on the wide bandgap semiconductor material epitaxial layer from bottom to top, a first dielectric layer and a second dielectric layer are sequentially arranged on the upper surfaces of the first anode groove and the wide bandgap semiconductor material epitaxial layer, a second dielectric layer is arranged on the upper surfaces of the second anode groove and the wide bandgap semiconductor material epitaxial layer, and a third dielectric layer is arranged on the third anode groove. And a metal anode and a metal cathode are respectively arranged on the upper surface of the wide bandgap semiconductor material epitaxial layer and the lower surface of the wide bandgap semiconductor material substrate layer. Benefited from the periodic composite anode structure, the device has the performance advantages of high current density, high breakdown voltage, low on-resistance and low reverse electric leakage.

The invention discloses a morning check instrument for daily detection of a medical linear accelerator, and the morning check instrument comprises a housing, a first group of multi-wire ionization chambers, a second group of multi-wire ionization chambers, a PMMA plate, a third group of multi-wire ionization chambers, and a fourth group of multi-wire ionization chambers, each group of multi-wire ionization chambers is composed of an anode circuit board and a cathode circuit board, and is connected with a data collection card. In addition, the invention further discloses preparation and application of the morning detection instrument, the metal anode electrode strip and the metal cathode electrode strip are etched by adopting a gold immersion process, the morning detection instrument is assembled, and the morning detection instrument is used for daily detection of the medical linear accelerator. According to the morning check instrument, four groups of multi-wire ionization chambers are used as probes, hospital technicians are rapidly, accurately and conveniently helped to complete daily morning check of the linear accelerator, the morning check instrument is easy to process and manufacture and relatively low in cost, GTLR errors are within + / -3%, CAX and BQF errors are within + / -7% when the medical linear accelerator is detected, and the effect is excellent.

The invention relates to the technical field of circulating water treatment, in particular to a circulating water electric polarization flocculation descaling system which comprises a circulating water tank, a heat exchanger, a water cooling tower, an electrolytic bath, an inclined tube sedimentation tank, a carbon dioxide gas supply device and a pickling device. A membrane assembly is arranged between the cathode plate and the anode plate, and a flocculation polar plate is arranged between the membrane assembly and the cathode plate; according to the invention, the flocculation polar plate is additionally arranged in the electrolytic bath, the scale crystallization time and the scale precipitation time are reduced by utilizing metal hydroxide generated in the electrolysis process of a soluble metal anode to flocculate tiny scale particles generated in the main process, and meanwhile, the concentration of hydroxyl is increased and the precipitation of calcium hydroxide is improved by the arrangement of the flocculation polar plate; according to the invention, carbon dioxide is introduced into the electrolytic bath, so that scale separation capacity is improved, scale on a polar plate and a membrane module is reduced under the condition of aeration flushing, and the operation interval of an auxiliary process is prolonged.

An electrochemical cell has a cathode, a lithium metal anode, a separator between the cathode and the lithium metal anode, a liquid electrolyte, and a polymer composite layer bonding the lithium metal anode to the separator. The polymer composite layer includes a crosslinked polymer backbone, polyethylene glycol, polycaprolactone, and one or more lithium salt.

The present invention relates to an electrolyte using a high-dielectric-constant zwitterionic material, and a preparation method therefor. According to an embodiment, the provided electrolyte using a high-dielectric-constant zwitterionic material, which is for a secondary battery using a metal anode material as an anode, comprises an electrolyte mixture composed of: an organic electrolyte including an organic solvent and a metal salt; and a zwitterionic compound having a weight average molecular weight that satisfies a range of 100-60,000 g / mol and having a zwitterion.

The present disclosure provides rechargeable divalent metal batteries comprising a multidentate compound. In particular, the presence of a multidentate compound in the electrolyte of the rechargeable divalent metal batteries significantly increases the interfacial charge transfer kinetics and / or suppresses undesired side reactions on both cathodes and metal anodes. It is believed that these effects are at least in part due to solvation sheath reorganization by the multidentate compound. Other aspects of the disclosure include methods for reducing a charge transfer overpotential and methods for increasing a charge transfer kinetics in rechargeable divalent metal batteries.

A mesoporous piezoelectric or ferroelectric (FE) Al2O3 / P(VDF-TrFE) membrane can actively suppress anode dendrites formation when used as a separator in rechargeable aqueous Zn-ion batteries. When the positive polarization side of the FE separator faces the metal anode during charging, the FE separator can reverse the local energetics for Zn2+ reduction at the protrusion area and deplete incoming Zn2+ ions to the flat region. As a result, the symmetric Zn—Zn cell with this P+ separator can achieve a substantially higher cycling stability.

Provided are an electrolytic capacitor and a manufacturing method capable of achieving both low specific resistance electrolyte and low leakage current. An anode body comprises an anode body of a valve metal, and a powder layer which is made of a valve metal powder and is formed on the anode body. A capacitor element includes the anode body, a cathode body, a separator, and an electrolyte containing moisture. The moisture content of the capacitor element is 4 wt% to 20 wt% inclusive relative to the electrolyte. This manufacturing method comprises: an element formation step for forming a capacitor element by stacking an anode body and a cathode body with a separator interposed therebetween; an impregnation step for impregnating the capacitor element with an electrolyte containing moisture; and an adjustment step for adjusting the moisture content of the capacitor element. In the element formation step, the anode body, which is formed by forming a powder layer of valve metal powder on an anode body of a valve metal, is overlaid on the cathode body with the separator interposed therebetween. In the adjustment step, the moisture content of the capacitor element is adjusted to 4-20 wt% relative to the electrolyte.

The present disclosure is directed to freestanding films for a lithium-metal-anode comprising a 2D arrays of nanocrystals of a transition metal nitride, carbide, or mixture and optionally a MXene as a conductive binder, and methods of making and using the same.

This invention relates to the field of aqueous metal battery technology, specifically to an aqueous tin metal battery electrolyte containing metal sulfate additives, its preparation method, and its application. The electrolyte is based on an alkaline electrolyte (such as KOH) and soluble tin salts (such as SnSO4, SnCl2), with added metal sulfates such as Li2SO4, ZnSO4, K2SO4, MnSO4, or Na2SO4 as additives at a concentration of 0.01 mol / L to 0.5 mol / L. The metal cations preferentially adsorb onto the surface of the metal anode to form an electrostatic shielding layer, regulating metal ion deposition behavior, inhibiting the formation of "dead tin," and significantly improving the battery's cycle stability and coulombic efficiency.

This application provides an electrolytic polishing device for medical guidewires, including an electrolytic cell, an upper clamp, and a top cover. The electrolytic cell is a cylindrical structure with grooves, and its bottom has multiple concentric annular grooves. The upper clamp is annular, with an annular groove inside. A cylinder with a through hole is located at the center of the ring, with the center of the cylinder coinciding with the center of the ring, and the center of the through hole inside the cylinder coinciding with the center of the ring. The top cover has a cylindrical structure with a through hole at its center, with the center of the cylinder coinciding with the center of the top cover, and the center of the through hole inside the cylinder coinciding with the center of the top cover. This application ensures coaxiality while allowing for convenient, rapid, and safe installation of the metal cathode and metal anode. Furthermore, the device is located at the bottom of the electrolytic cell, reducing electrolyte consumption and effectively controlling costs and improving production efficiency. The multiple concentric annular grooves at the bottom of the electrolytic cell allow for selection of different inner diameters of the device depending on the desired polishing degree.

This invention belongs to the field of aluminum-ion battery technology, specifically relating to an aluminum-ion battery based on a biomimetic CNT / Al composite metal anode. It comprises a positive electrode, a non-aqueous aluminum salt-based ionic liquid electrolyte, a separator, and a biomimetic CNT / Al composite metal anode. The biomimetic CNT / Al composite metal anode consists of an aluminum substrate and a three-dimensional continuous electron permeation network formed within the aluminum substrate. The aluminum substrate is a micro / nano-scale aluminum sheet, and the three-dimensional continuous electron permeation network is formed by carboxylated multi-walled carbon nanotubes. The three-dimensional continuous electron permeation network extends to the surface of the biomimetic CNT / Al composite metal anode. Compared with existing technologies, this invention solves the problem that existing technologies cannot simultaneously address the issues of ion mass transfer kinetics and interfacial mechanical stability during long-term cycling. This solution achieves long-term stable cycling of the aluminum-ion battery under harsh conditions by constructing a CNT / Al anode with a carbon nanotube (CNT)-like neural network structure.

Electrolyte compositions for secondary batteries having a metal anode are provided. The compositions include an electrolyte salt of an alkali metal, an alkaline earth metal, zinc, or aluminum; at least one solvent which solubilizes the electrolyte salt; and up to 25 wt. % of a selected non-polar additive. The solvent is selected from cyclic sulfones, cyclic sultones, cyclic ethers, partially fluorinated sulfonamides, fluorinated solvents and glymes. The nonpolar additive is selected from aromatic hydrocarbons, partially fluorinated aromatic hydrocarbons, fluorinated monoethers, partly fluorinated polyethers, fluorinated phosphate esters and fluorinated linear sulfones. Multiple combinations of metal salts, solvents and nonpolar additives having a coulombic efficiency of with respect to plating and stripping of the metal of at least 90% are provided.

The invention discloses a full-color OLED device for realizing white balance and a manufacturing method thereof. The device structurally comprises a metal anode, a first hole transport layer, a blue light-emitting layer, a first electron transport layer, a charge generation layer, a second hole transport layer, a green light-emitting layer, a red light-emitting layer, a second electron transport layer, a TCO cathode layer, an optical path regulation and control packaging layer and a blue wave band high-reflectivity packaging layer which are stacked in sequence, a red-green wave band high-reflectivity packaging layer and a water-oxygen isolation packaging layer; according to the invention, the TCO cathode and the wavelength-selective high-reflectivity packaging structure are introduced, so that light emitting loss caused by the SPP effect of the Ag cathode can be avoided; the optical design and the electrical design of the OLED are separated, the design freedom degree is increased, and the repeatability of the OLED device is improved; and due to the high reflectivity of wavelength selection, the reflectivity wave band and the reflectivity value can be freely designed, and the white balance of emergent light of the OLED device is realized.