201results about How to "Interface stability" patented technology

The invention relates to a conductive ceramic composite diaphragm and a solid-state battery. The conductive ceramic composite diaphragm comprises a porous base membrane and a conductive ceramic composite coating layer which is coated on one side or two sides of the porous base membrane, wherein the conductive ceramic composite coating layer comprises the following components based on the total weight thereof: 5-80wt% of an organic polymer, 10-85wt% of a nano inorganic solid electrolyte, 1-20wt% of high-molecular grafted modified ceramic, 1-12wt% of a binder and 0.1-0.5wt% of a wetting agent.

Disclosed herein are devices and methods for securing soft tissue to a rigid structure such as bone. Various directional anchors that allow for increasing the stability the attachment of soft tissue to bone are described. Also described is a delivery system for use with the directional anchors that allows for open surgical or arthroscopic application of one embodiment of the device. A method for repairing rotator cuff tears is also described.

Systems, methods, and related computer program products for ultrasonic examination of a tissue volume, such as a human breast, are described. A handheld volumetric ultrasound scanning probe, which is characterized by a two-dimensional scan area with a substantially rigid cap extending across the two-dimensional scan area, is provided with a texturably couplant-porous material sheet covering the substantially rigid cap over at least a portion of the two-dimensional scan area. The texturably couplant-porous material sheet facilitates positional stability of the handheld volumetric ultrasound scanning probe while positioned against a skin surface of the tissue volume. Advantageously, while the texturably couplant-porous material sheet brings about a more stable physical interface at the skin surface, the texturably couplant-porous material sheet brings about little or no degradation in acquired image quality. Also described are systems and related methods for elastography imaging using the handheld volumetric ultrasound scanning probe.

A fluid dynamic pressure bearing having a tapered seal part provided between a sleeve and a housing, from which lubricating liquid is injected and functions as a buffer of the lubricating liquid. An end part of a radial gap between the sleeve and a shaft body is a labyrinth filled with lubricating liquid. An opening periphery is covered with an oil repellent film to prevent outflow of the lubricating liquid. These features can make the size of the tapered seal part small in the axial direction. It enables a larger radial dynamic pressure bearing mechanism to be formed and, in particular, bearing rigidity in the radial direction can be increased.

The invention relates to a garnet structure solid electrolyte material and a preparation method thereof. The preparation method comprises the following specific steps: mixing a compound containing five elements such as lithium, lanthanum, calcium, zirconium and tantalum in an acid solution, and drying to obtain precursor powder; and sequentially calcining, tabletting and sintering the precursor powder, thereby obtaining the garnet structure solid electrolyte material. The solid electrolyte material has a chemical composition of Li(7+x-y)CaxLa3-xTayZr2-yO12, wherein x is more than 0 and less than or equal to 1, and y is more than 0 and less than or equal to 2. The method has the advantages of simplicity and convenience in operation, low cost, low energy consumption and the like. The methodfurther contributes to obtaining materials with an accurate stoichiometric ratio and uniform particle size and reducing the content of impurities. X-ray diffraction determines that a crystal structureof the obtained solid electrolyte material is a cubic garnet structure, and an AC impedance method determines that the ionic conductivity of lithium ions in the material can reach 4.03*10<-4>S cm<-1>. The garnet structure solid electrolyte material prepared by the method disclosed by the invention is high in ionic conductivity, excellent in chemical stability and applicable to lithium secondary batteries.

An opto-electrical device comprising: a first electrode for injecting charge carriers of a first polarity; a second electrode for injecting charge carriers of a second polarity; and a layer of organic material disposed between the first and second electrodes, the layer of organic material comprising a blend of a first charge transporting and / or light-emissive polymer and a second charge transporting and / or light-emissive polymer, wherein at least the first polymer is cross-linked providing a first cross-linked matrix in which the second polymer is disposed.

A method and / or system are provided for producing a structure comprising a thin layer of semiconductor material on a substrate. The method includes creating an area of embrittlement in the thickness of a donor substrate, bonding the donor substrate with a support substrate and detaching the donor substrate at the level of the area of embrittlement to transfer a thin layer of the donor substrate onto the support substrate. The method also includes thermal treatment of this resulting structure to stabilize the bonding interface between the thin layer and the substrate support. The invention also relates to the structures obtained by such a process.

The present invention provides a magnetoresistive (MR) element that is excellent in MR ratio and thermal stability and includes at least one magnetic layer including a ferromagnetic material M-X expressed by M100-aXa. Here, M is at least one selected from Fe, Co and Ni, X is expressed by X1bX2cX3d (X1 is at least one selected from Cu, Ru, Rh, Pd, Ag, Os, Ir, Pt and Au, X2 is at least one selected from Al, Sc, Ti, V, Cr, Mn, Ga, Ge, Y, Zr, Nb, Mo, Hf, Ta, W, Re, Zn and lanthanide series elements, and X3 is at least one selected from Si, B, C, N, O, P and S), and a, b, c and d satisfy 0.05≦a≦60, 0≦b≦60, 0≦c≦30, 0≦d≦20, and a=b+c+d.

The invention belongs to the technical field of an electrolyte material, especially a boron-containing solid polymer electrolyte and a preparation method and application thereof. The polymer electrolyte provided by the invention comprises high molecular polymer matrix and electrolyte salt. The preparation method comprises the steps of esterifying boric acid-containing compounds and alkene compounds with diol structures, thereby obtaining boron heterocycle-containing vinyl monomer, uniformly dispersing the boron heterocycle containing vinyl monomer, initiator, the electrolyte salt and organic solvent, carrying out free radical polymerization, and drying obtained mixture, thereby obtaining the boron-containing solid polymer electrolyte. The boron-containing solid polymer electrolyte has the advantages of high ion conductivity, high cation transference number, good mechanical property and excellent electrode / electrolyte interface interaction and can be applied to fields such as a supercapacitor, a lithium ion battery, a hybrid supercapacitor and a fuel battery. The supercapacitor assembled with the polymer electrolyte has the advantages of wide electrochemical window, long cycle life and high security.

The invention discloses a Li1+xAlxTi2-x(PO4)3-coated lithium cobalt oxide material and a preparation method and application thereof. According to the preparation method, tetrabutyl titanate, triethylphosphate, lithium nitrate and aluminum nitrate are taken as raw materials to prepare a precursor solution, then the lithium cobalt oxide is dispersed in the precursor solution and the coating amountis controlled to be 0.5wt%-2wt% at high temperature of 550-750 DEG C so as to obtain the Li1+xAlxTi2-x(PO3)4-coated cobalt acid material. The lithium titanium aluminum phosphate acts as a fast ionic conductor to significantly improve the ion conduction at the positive electrode, and the performance of the battery is also good even in the 4.3-4.5V high voltage electrochemical test. Compared with the conventional positive electrode materials, the cycle stability and the rate performance are significantly improved. After 40 cycles of 0.2 C, the capacity retention of the coated positive electrodeis increased by 10% and the capacity is increased by 63 mAh / g at 2C current density.

The invention discloses an all-solid-state lithium-air battery and a preparation method and application thereof. The all-solid-state lithium-air battery provided by the invention comprises a lithium metal anode, a porous ceramic support body, a compact electrolyte thin film, a porous cathode thin film, a sealing material, a current collector and a lead, wherein the porous support body is made of garnet type lithium-ion solid electrolyte material; in an air electrode catalyst and permeation holes of the lithium metal anode, a three-phase boundary for battery reaction is expanded, and the battery polarization resistance is reduced; the thickness of the battery electrolyte thin film is smaller than 30 micrometers, a lithium ion transmission path is shortened, and the battery ohmic resistance is reduced; and the battery is a tubular structure with a closed end, the lithium metal anode is poured into a tube, and the battery is easy to seal and is easy to work in different conditions. The all-solid-state lithium-air battery prepared according to the invention has the advantages of high charging-discharging capacity, high rate performance, high cycle stability, wide working temperature range and the like, and is applicable to the field of various mobile electronic devices and power batteries.

A prosthetic finger includes a crossed four (4) bar linkage system having a base formed by a base bar, two cross bars, and an interface bar that engages an object to be held. The base bar is fixed to an artificial finger of an amputee. A first cross bar has a first end pivotally mounted to a first end of the base bar and a second cross bar has a first end pivotally mounted to a second end of the base bar. The first cross bar has a second end pivotally mounted to a first end of the interface bar and the second cross bar has a second end pivotally mounted to a second end of the interface bar. The first and second cross bars are slideably interconnected to one another at a cross point which changes its location as the prosthesis grasps objects of differing sizes and shapes.

The invention belongs to the technical field of lithium ion batteries, and particularly relates to a three-electrode lithium ion battery. The three-electrode lithium ion battery comprises a battery shell, a bare battery cell and a lithium titanate pole piece, wherein the bare battery cell and the lithium titanate pole piece are packaged in the battery shell, the bare battery cell is provided witha positive electrode tab and a negative electrode tab which are led out of the battery shell, and the lithium titanate pole piece is provided with a reference electrode tab which is led out of the battery shell. Compared with the prior art, the problem that the interface structure of the battery cell is easy to damage is solved, and the test accuracy and stability are greatly improved. Besides, the invention further provides a preparation method of the three-electrode lithium ion battery, which is easy to operate and solves the problem of high difficulty in the manufacturing process of the existing three-electrode lithium ion battery.

The present invention discloses a lithium ion battery composite separation membrane and a preparation method thereof, and belongs to the technical field of lithium ion batteries, wherein at least a surface of a polyolefin separation membrane is coated with a modified natural rubber polymer coating. According to the invention, the polyolefin separation membrane and the modified natural rubber are combined to form the composite separation membrane, such that mechanical properties of the natural rubber can be improved, and the original pore closing characteristic of the polyolefin separation membrane can be maintained and utilized so as to improve safety of the battery, enhance bonding force between the separation membrane and the positive electrode and bonding force between the separation membrane and the negative electrode, eliminate the interface effect, and improve cycle stability of the battery; and the inorganic nanoparticles are added to the modified natural rubber latex, such that the crystallinity of the polymer can be reduced to a certain extent, the mechanical strength of the separation membrane and the carrier concentration can be increased, the interface compatibility between the separation membrane and the lithium electrode can be effectively improved, and the interface is stable.

An electromagnetically actuable device includes a base. A magnetic core is fixedly mounted to the base. An armature is movably mounted to the base proximate the magnetic core. A coil is fixedly mounted to the base and is selectively energized to draw the armature to the magnetic core. The armature and magnetic core have mating surfaces adapted to provide three contact areas in a triangular configuration to provide minimal magnetic air gap and a stable interface when the coil is energized.

The invention provides a high-voltage composite spinel-coated positive electrode material and a preparation method thereof. The positive electrode material comprises a lithium cobalt oxide core, a spinel-type lithium nickel manganese oxide middle layer and a solid electrolyte surface layer. The invention provides a positive electrode material with a composite coating layer on the surface, and the coating layer has good lithium ion conductivity, so that the positive electrode material is high in discharge capacity and excellent in cycle life under a high voltage without influencing a discharge platform, the volume energy density of a lithium ion battery is improved, and the corrosion of HF to the surface layer of the material can be reduced; and the high-temperature cycle life of the material is prolonged, so that the defects of unstable use structure of the positive electrode material under high charging cut-off voltage or poor cycle performance and low discharge capacity even if the structure is stable in the prior art are overcome, the high-temperature cycle performance is improved, and the material is more suitable for the actual use working condition of the material.

A system for interconnecting a faucet assembly to a wall member is provided that employs a mounting bracket for interconnection to the wall member. The mounting bracket is configured to accommodate various configurations of faucets with any number of fluid delivery tubes. The mounting system provides structural rigidity to the faucet / building interconnection while minimizing occupation of interior wall space.

Provided are a bonded structure by a lead-free solder and an electronic article comprising the bonded structure. The bonded structure has a stable bonding interface with respect to a change in process of time, an enough strength and resistance to occurrence of whiskers while keeping good wettability of the solder. In the bonded structure, a lead-free Sn-Ag-Bi alloy solder is applied to an electrode through an Sn-Bi alloy layer. The Sn-Bi alloy, preferably, comprises 1 to 20 wt % Bi in order to obtain good wettability of the solder. In order to obtain desirable bonding characteristics having higher reliability in the invention, a copper layer is provided under the Sn-Bi alloy layer thereby obtaining an enough bonding strength.

The invention relates to a preparation method for a micron-sized composite LiFePO4 / C cathode material for a lithium ion battery. The method comprises the following steps of uniformly mixing an iron source, a phosphorus source and an organic carbon source, and pre-sintering the mixture to obtain a composite iron phosphate / carbon precursor; uniformly mixing the obtained composite precursor, a lithium source and an inorganic carbon source, performing compression molding, preserving heat for a certain time under 700 to 800 DEG C and certain inert gas pressure in a sintering furnace, and performing crushing to obtain the composite LiFePO4 / C cathode material after temperature reduction. The invention also relates to the micron-sized composite LiFePO4 / C cathode material obtained by the method and with a nano carbon conducting network. The material has the characteristics of high purity, high tap density, high consistency, high processability and high rate discharge performance.

The invention discloses a metallurgical bonding double-metal stainless steel cladding reinforcing steel bar and a preparation process thereof. The metallurgical bonding double-metal stainless steel cladding reinforcing steel bar comprises a carbon steel core part and a stainless steel cladding. The composite forming process comprises the following steps: integrally heating an outer-layer stainless steel pipe to 600 to 1000 DEG C by using an induction heater, pouring into inner-layer carbon steel, performing metal liquid casting and manufacturing an interface metallurgical bonding cladding type double-metal composite blank; hot-rolling the cast double-metal blank to form cladding double-metal round steel and threaded steel. The metallurgical bonding interface of the stainless steel layer and the carbon steel core is formed by casting, and the advantages of high bonding strength, excellent processing property, dense structure, high quality, few procedures, low cost, high efficiency and the like are achieved. The integral stainless steel reinforcing steel bar is replaced by the double-metal reinforcing steel bar, so on the premise of guaranteeing the corrosion-resistant characteristic of the reinforcing steel bar, the stainless steel material is saved, the engineering cost is reduced, the strength of the reinforcing steel bar is effectively improved, waste of resource and energy and environmental pollution are reduced, and a wide application prospect is achieved.

A bioaffinity electrode stimulator able to be transplanted in human body for examining, diagnosing, controlling and curing the diseases in nerve system is composed of an electrode unit consisting of stimulating electrode and / or signal acquisition electrode with surficial rubber layer and bioaffinity biologic electrolyte, and a signal processing unit consisting of electric stimulating signal processing unit and acquired signal processing unit.

The invention discloses a method for preparing a germanium-base MOSFET (Metal-Oxide Semiconductor Field-Effect Transistor) grate medium, which comprises the following steps: Step 1, cleaning the surface of a germanium lining; Step 2, depositing a blocking layer on the cleaned germanium lining; Step 3, utilizing oxygen plasma to process the surface of the germanium lining deposited with the blocking layer, and forming a germanium oxide on the interface of the blocking layer and the germanium lining; and Step 4, depositing a grate oxide layer with high dielectric constant on the surface of the germanium lining oxidized by the oxygen plasma. With the adoption of the method, the equifinal oxide layer thickness of the germanium-base MOSFET can be lowered below 1 nanometer, thereby effectively improving the performance of the germanium-base MOSFET.

The present invention provides an optically clear adhesive sheet having excellent environment resistance using a heat-curable polyurethane composition that has excellent flexibility and is capable of giving a thick film. The optically clear adhesive sheet of the present invention is formed of: a cured product of a heat-curable polyurethane composition, the heat-curable polyurethane composition containing a polyol component, a polyisocyanate component, and a tackifier, the polyol component having an olefin skeleton, the polyisocyanate component being a modified polyisocyanate that is obtained by reacting an acyclic aliphatic and / or alicyclic polyisocyanate containing an isocyanate group with an ether compound containing an ethylene oxide unit.

The invention discloses a novel polymer lithium battery and a relative preparation method. The invention modifies the baffle membrane of general liquid lithium battery, adds chemical crosslink agent monomer with high boiling point into anode slurry and cathode slurry used for preparing liquid lithium battery, fills liquid lithium battery electrolyte with thermal initiator, to process thermal solidification, to obtain a novel polymer lithium battery. The invention can use general production process and device of prior liquid lithium battery, with the support for batch production of polymer battery, while the novel battery has same electric property of liquid battery.

A method for producing a semiconductor device includes the steps of forming a trench for device isolation on a silicon substrate; and annealing the silicon substrate in an atmosphere containing a noble gas at any step after the growth of a buried oxide film until the growth of a gate polysilicon.

The invention discloses a lithium ion battery high-voltage electrolyte solution capable of constructing a double-layer positive electrode surface film, and belongs to the technical field of manufacturing of lithium ion batteries. The electrolyte solution is composed of an organic solvent, a lithium salt and a film-forming additive; the organic solvent is composed of cyclocarbonate, linear carbonate and fluoroethylene carbonate; the film-forming additive is composed of a film-forming additive A, a film-forming additive B and a film-forming additive C, wherein the film-forming additive A is oneof tri(trimethylsilane)borate or tri(trimethylsilane)phosphate, the film-forming additive B is methylene methanedisulfonate, and the film-forming additive C is one of thiophene or 3,4-ethylenedioxythiophene. Through combined use of the three film-forming additives, the electrolyte solution generates double layers of positive electrode surface films with different components, an electrode / electrolyte solution interface can be stabilized, oxidation decomposition of the electrolyte solution and damage of a positive electrode material structure are inhibited, the battery cycle stability and thermal stability are improved, the internal resistance of the battery is reduced, and the battery multiplying power performance is improved.

The invention provides a preparation method of one-pot method double-coated lithium ion battery NCM ternary positive electrode material. The preparation method comprises steps: adding raw materials atthe same time, and preparing the NCM ternary positive electrode material with high electrochemical performance by sequentially coating the surface of a ternary material with an oxide and aconductivepolymer through a one-pot method according to the difference of the hydrolysis speed of an organic metal compound and the polymerization speed of a polymer. The ternary material interface is stabilized through oxide coating, lithium ion transmission is facilitated, electron transmission is facilitated through the conductive polymer or the carbon material, the capacity of the material is improved,the safety and stability of the material are improved, the process is simple and convenient, and large-scale popularization is easy.

An apparatus for separating hydrophilic material from hydrophobic material, comprising: (a) a body having a first and second parallel walls defining an elongated cavity; (b) a water-absorbing material in the cavity along the first wall and having a surface essentially parallel to the second wall, thereby defining a channel between the surface and the second wall; (c) a first inlet having a first inlet end disposed in the channel, the first inlet being configured for injecting a mixture of hydrophilic and hydrophobic material; (d) a first outlet having a first outlet end disposed in the channel proximate the surface downstream of the first inlet end and configured for removing the hydrophilic material; and (e) a second outlet having a second outlet end disposed in the channel a distance from the surface downstream of the first inlet end and configured for removing the hydrophobic material.