43results about How to "Inhibit the electrochemical reaction process" patented technology

A wound electric double-layer capacitor suppresses electrochemical reaction on polarized electrode layers, reduces characteristic degradation, and has high reliability. The capacitor has a capacitor element formed by winding positive and negative electrodes with a separator interposed between them, a metal case for storing the capacitor element and an electrolyte for driving, and a sealing member for sealing an opening of the metal case. In the positive and negative electrodes, positive and negative electrode lead wires are coupled to exposed parts of current collectors having polarized electrode layers on their both surfaces, respectively. The negative electrode is wound at least one extra turn from the winding end of the positive electrode of the capacitor element, and hence a part where the polarized electrode layers formed in the negative electrode face each other through the separator is formed on the outermost periphery of the capacitor element.

The invention provides a lithium ion battery. The lithium ion battery comprises a positive plate which comprises a positive diaphragm; a negative plate which comprises a negative diaphragm; and an electrolyte including an organic solvent and an additive. The double-sided coating weight of the positive diaphragm is 28-56mg / cm <2>, and the compaction density is not less than 3.5 g / cm <3>; the double-sided coating weight of the negative electrode diaphragm is 14-28mg / cm <2>, and the compaction density is not less than 1.4 g / cm <3>; the organic solvent comprises linear carboxylic ester with a structure as shown in a formula I; in the formula I, R1 and R2 are independently selected from alkyl with 2-4 carbon atoms respectively; the mass fraction of the linear carboxylic ester with the structureas shown in the formula I in the organic solvent is 5-60%; the additive is prepared from 1, 3-propane sultone and fluoroethylene carbonate; the mass fraction of the 1, 3-propane sultone in the electrolyte is 0.1%-5%; the mass fraction of the fluoroethylene carbonate in the electrolyte is 0.1%-7%. The lithium ion battery provided by the invention has high energy density, high initial coulombic efficiency, excellent rapid charging performance and low-temperature charging performance at the same time.

An orthopedic implant with a polymer-wrapped metal prosthesis, comprising a metal implant body and a high-molecular layer wrapping the surface of the implant. The orthopedic implant is formed by wrapping the surface of a metal implant body material with an anti-corrosion organic high-molecular material, such that a metal implant is prevented from being corroded by human body liquid. An organic high-molecular material wraps between two metal implants in contact with each other, so that contact between metal and metal is prevented, thereby inhibiting electrochemical reactions caused by the contact between metal and metal, and further reducing adverse reactions on a human body caused by dissolution of metal ions. Meanwhile, the existence of a high-molecular interface aids in enhancement of locking between metal implants, prevents and reduces slight movement, and accelerates operation healing.

The invention provides a method for a wet process of a thin film transistor array substrate. The method comprises the step of placing a substrate in a processing room so that a metal layer and a blocking layer both are in contact with a medium liquid in the processing room for wet processing, wherein the metal layer and the blocking layer are formed on the substrate, the blocking layer is arrangedon the metal layer, a metal piece of which electrochemical activity is larger than that of the metal layer and which is not in chemical reaction with the medium liquid is arranged in the processing room, and the metal layer does not generate electrochemical reaction with the medium liquid. By the method, an electrochemical corrosion phenomenon occurring in the fabrication process of the thin filmtransistor array substrate can be prevented, and the quality of the thin film transistor array substrate is improved.

The invention discloses a low-voltage cable branching connector and a low-voltage cable distribution box. The low-voltage cable branching connector is characterized in that annular tooth grooves are machined inside vertical side pipeline openings and horizontal side pipeline openings of right-angle pipelines inside a connector body cover; right-angle portions of the right-angle pipelines are communicated through a connector body; two adjacent surface positions of the connector body, which are opposite to vertical side pipelines and horizontal side pipelines, are provided with circular holes; every two circular holes are communicated; internal threads are machined on the circular holes which are corresponding to horizontal pipelines; middle sleeves are arranged inside the vertical side pipeline openings of the connector body cover; the annular tooth grooves are formed inside the middle sleeves and cables are inserted inside the annular tooth grooves; ends of the cables are inserted into the connector body circular holes which are corresponding to the vertical side pipelines and are compressed through cable pressing nuts. The low-voltage cable distribution box is characterized in that the above four rows of low-voltage cable branching connectors are installed on trapezoid folding plates of a box body base plate. The low-voltage cable branching connector and the low-voltage cable distribution box can safely and efficiently achieve load distribution.

The invention provides high-silicon austenitic stainless steel resistant to concentrated sulfuric acid corrosion and a preparing method of the high-silicon austenitic stainless steel, the high-silicon austenitic stainless steel can resist concentrated sulfuric acid corrosion, has good mechanical performance and welding performance, and can be used for producing a device and a pipeline used for producing concentrated sulfuric acid. The stainless steel comprises, by weight percent, 13%-15% of Cr, 13%-17% of Ni, 5.5%-6.5% of Si, smaller than 0.03% of C, smaller than 2% of Mn, smaller than or equal to 0.30% of Al, smaller than 0.1% of N, smaller than 0.04% of P, smaller than 0.02% of S, 0.75%-1.5% of Mo, 0.75%-1.5% of Cu, 0.5%-1% of W, 0.5%-1% of Sn, smaller than or equal to 0.15% of Sb, 0.005%-0.01% of other microelements, and the balance Fe. According to the preparing method, the production technology of mother liquor smelting through a Consteel electric furnace and an intermediate frequency furnace, AOD, LF, casting and electroslag remelting is adopted.

The invention discloses an anti-seismic anti-corrosive prestress pipe pile which comprises a pile body, and steel bars, namely, longitudinal main ribs, a double helix stirrup and an annular stirrup that are embedded into the pile body; the double helix stirrup is wound on the outer sides of the longitudinal main ribs; the annular stirrup is welded on the inner sides of the longitudinal main ribs; the helix direction of the double helix stirrup is intersected with the oblique direction of the annular stirrup; double helix structures formed by distributing helix ribs and helix grooves in a spaced manner are arranged on the surfaces of the steel bars; the steel bars are coated with first anti-corrosive layers which are epoxy resin antirust layers; the pile body is a concrete pile body; and an organosilicon anti-corrosive layer is arranged on the surface of the pile body. The anti-seismic anti-corrosive prestress pipe pile has the advantages of good erosion resistance and high acid and alkali resistance, is high in shearing resistance, good in bending resistance and bearing capacity, excellent in anti-seismic property and long in service life, and is particularly suitable for coastal soft soil. More preferably, the anti-seismic anti-corrosive prestress pipe pile is short in manufacturing cycle, high in safety and low in cost.

The invention discloses a semiconductor characteristic analysis method for preventing corrosion of a tungsten plug and belongs to the technical field of semiconductors. The method comprises the stepsthat a sample to be analyzed is cut in a wafer, and grinding liquid with the preset concentration is prepared; a passivation layer and a metal lamination layer of the sample to be analyzed are removeduntil a first metal layer is presented; the prepared grinding liquid with the preset concentration is used and matched with the preset rotation speed of a polishing disk to remove the first metal layer until a tungsten plug layer is presented; the sample which presents the tungsten plug layer is subjected to characteristic analysis. According to the semiconductor characteristic analysis method, the safe and environment friendly grinding liquid with the preset concentration is prepared, by matching with the certain rotation speed of the polishing disk, the first metal layer of the sample to beanalyzed is removed, the electrochemical reaction of the tungsten plug is effectively inhibited, then the completeness of the tungsten plug is guaranteed so that complete device standardization can be conducted on the tungsten plug layer, and the mistaken judgement of characteristic analysis due to sample processing problems is avoided.

The invention belongs to the technical field of multi-functional high polymer materials, in particular relates to a composite biodegradation gas-phase anti-rusting membrane and a preparation process thereof, and aims to provide a composite biodegradation gas-phase anti-rusting membrane which is rapid in preparation method, simple to prepare, low in cost and free of environment pollution, and a preparation process thereof. The composite biodegradation gas-phase anti-rusting membrane is prepared from the following raw materials in percentage by mass: 2-5% of a gas-phase anti-rusting additive, 60-75% of a biodegradation material, 5-10% of a polyolefin carrier, 5-10% of a modifier, 2-5% of a plasticizer, 2-3% of a coupling agent, 4-6% of a dispersing agent, 1-3% of a lubricant and 0.1-0.3% of other processing additives. The composite biodegradation gas-phase anti-rusting membrane provided by the invention has the characteristics of good barrier property, conductivity, flame retardancy and ultraviolet ray prevention, and gas-phase anti-rusting gases generated from the composite biodegradation gas-phase anti-rusting membrane can be volatilized and permeated into corners which cannot be covered by anti-rusting oil in package parts, and can be biologically degraded.

A method for repairing reinforced concrete of damaged bridge piers. First, the surface of the damaged bridge pier is cleaned until the surface is free of debris and water, and the surface of the exposed steel bars is coated with a steel bar rust inhibitor. The steel bar rust inhibitor is composed of sodium tetraborate 10‑12g / L, sodium silicate 8‑10g / L, tetradecyl dimethyl benzyl ammonium chloride 3‑6g / L, tetrahydrofuran 3‑6g / L, chromium nitrate 3‑4g / L, threonine Acid 1-4g / L, the balance is water, bake the rust-proof layer after coating, the baking temperature is controlled at 60-70°C, and the baking time is 10-15 minutes, the steel bar rust inhibitor of the present invention makes the whole The steel bar is wrapped by a layer of passivation film, dense and stable, which can prevent the penetration of chloride ions, reduce the free speed of iron ions, effectively inhibit, prevent and delay the electrochemical reaction process of steel bar corrosion, thereby prolonging the life of reinforced concrete structures service life.