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

The invention relates to a preparation method of an S-C positive pole microwave composite material of a high cycle performance lithium sulfur battery. Firstly, sulfur, carbon materials are put into a ball mill for ball-milling mixing, and then put into a microwave oven for microwave heating and compositing to prepare the S-C positive pole microwave composite material with high dispersion uniformity. The S-C positive pole microwave composite material and a conductive agent are ground and mixed uniformly, the S-C positive pole microwave composite material and a binder are dispersed in an organic solvent in a certain proportion, and stirred to prepare paste, and then the paste is evenly coated onto a current collector sheet, and dried to prepare a positive pole. The preparation method adopts an advanced microwave heating method, has the advantages of fast heating speed, mild conditions and high efficiency, the prepared positive pole composite material is stable in structure, the battery has good cycle stability, at the same time, the commercial carbon material with low price is used, the material cost is greatly reduced, and the preparation method is suitable for popularization.

The present invention provides a lithium ion battery, which comprises: a positive electrode sheet, wherein the positive electrode sheet comprises a positive electrode current collector and a positive electrode membrane sheet arranged on the positive electrode current collector; a negative electrode sheet, wherein the negative electrode sheet comprises a negative electrode current collector and a negative electrode membrane sheet arranged on the negative electrode current collector; a separation membrane arranged between the positive electrode sheet and the negative electrode sheet in a spacer manner; and a non-aqueous electrolyte, wherein the non-aqueous electrolyte comprises a lithium salt, a non-aqueous organic solvent and an additive, both surface coating weights of the positive electrode membrane sheet are not less than 28 mg/cm<2> and the compaction density is not less than 3.5 g/cm<3>, both surface coating weights of the negative electrode membrane sheet is not less than 14 mg/cm<2> and the compaction density is not less than 1.4 g/cm<3>, the non-aqueous organic solvent comprises a linear carboxylic acid ester having a structure represented by a formula I, R1 and R2 in the formula I are respectively and independently selected from C2-C4 alkyl, and the additive comprises 1,3-propanesultone and fluoroethylene carbonate. The lithium ion battery of the present invention has advantages of high energy density, high first Kurun efficiency, excellent fast charging performance, and excellent low-temperature charging performance. The formula I is defined in the specification.

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.

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 concrete anticorrosive rust inhibitor for cast-in-place piles. The concrete anticorrosive rust inhibitor is formed by mixing and stirring the following components by mass: 20-30% of calcium nitrite, 20-30% of silica fume, 30-40% of fly ash, 8-10% of finely ground expansive clinker, 1-1.5% of a powder plasticizer and 0.2-0.8% of an air entraining agent. The concrete anticorrosive rust inhibitor has no significant effect on working performance of concrete under appropriate dosage, improves age strength of the concrete, increases compactness of the concrete by certain self-expansion, forms a dense protective layer on a surface of a reinforcing bar, and effectively improves sulfate corrosion resistance of the concrete and erosion resistance of the reinforcing bar.

The invention discloses an antirust attapulgite drier which is characterized by comprising an antirust agent and an attapulgite drier, wherein the weight percentage of the antirust agent is 5-30%; theattapulgite drier is composed of silicon dioxide, calcium oxide, magnesium oxide, aluminum oxide and iron oxide; the formula of the attapulgite drier comprises the following components by mass percent: 50-70% of silicon dioxide, 5-25% of calcium oxide, 3-15% of magnesium oxide, 5-11% of aluminum oxide and 0.2-0.5% of iron oxide; and the formula of the antirust agent comprises the following components by mass percent: 13-55% of magnesium oxide, 9-24% of attapulgite, 12-35% of iron powder and 0.3-12% of carbon powder. The antirust attapulgite drier is prepared in the manner of mixing and refining the antirust agent and the attapulgite drier, has gasifying antirust property and moisture absorption of the drier and can overcome the defect of only a drying function of the ordinary drier.

The invention relates to the technical field of concrete admixtures, in particular to an ether polycarboxylate superplasticizer with a rust inhibition function and a preparation method thereof. The ether polycarboxylate superplasticizer with a rust inhibition function is prepared from an esterification product, unsaturated polyoxyethylene ether, acrylic acid, an unsaturated polyhydroxy monomer and a rust inhibition functional monomer B with double bonds, amino groups and sulfur bonds through copolymerization. The esterification product is prepared from a rust inhibition functional monomer A with benzene rings and hydroxyl groups and unsaturated acid through esterification reaction. The rust inhibition functional monomer A containing benzene rings and hydroxyl groups and unsaturated acid are esterified to prepare an esterification product which participate in copolymerization, so that molecules of the polycarboxylate superplasticizer contain groups such as benzene rings, amino groups and hydroxyl groups, nitrogen atoms in the amino groups and the hydroxyl groups can improve the adsorption capacity with the surface of a steel bar, the electrochemical reaction process of the surface of the steel bar is inhibited, and meanwhile, the amino groups can be combined with H<+> on the cathode surface, the cathode reaction rate is reduced, and the rust inhibition effect of the steel bar is enhanced.

The invention provides a heterogeneous conductor of a submarine cable, a processing method of the heterogeneous conductor, the submarine cable and a preparation method of the submarine cable. The heterogeneous conductor of the submarine cable comprises a first conductor, a second conductor, a third conductor and a fourth conductor which are sequentially connected, wherein the second conductor comprises a second conductor core, the third conductor comprises a third conductor core, the second conductor and the third conductor are made of different materials, the first conductor and the second conductor are made of the same material, the third conductor and the fourth conductor are made of the same material, the first conductor is formed by twisting and pressing first conductor metal wires, and the fourth conductor is formed by twisting and pressing second conductor metal wires. The second conductor and the third conductor which are made of different materials are in friction welding, and an alloy structure made of two materials is formed at a joint, so electrochemical reaction between the second conductor and the third conductor can be restrained, and the strength of the copper-aluminum welding joint can be effectively controlled; and therefore, the welding quality of the heterogeneous conductor of the submarine cable is improved on the whole.

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 discloses an energy storage monomer which comprises a monomer shell. An energy storage battery cell is arranged in the monomer shell, and a monomer temperature control system and a monomer explosion-proof system are arranged on the monomer shell; the monomer temperature control system comprises a temperature control channel for temperature control medium circulation, and two ends of the temperature control channel are respectively provided with a first medium inlet and a first medium outlet; the monomer explosion-proof system comprises an exhaust valve used for exhausting when the air pressure in the monomer shell exceeds a set threshold value. The invention further discloses an energy storage cluster which comprises a cluster support, and a plurality of energy storage monomers are installed on the cluster support. The invention further provides an energy storage device which comprises a box body. A plurality of energy storage clusters are installed in the box body. According to the energy storage monomer, the energy storage cluster and the energy storage device, the temperature control effect can be improved, and the operation safety of the energy storage device is improved.

The invention belongs to the technical field of photovoltaic power generation, and relates to a backboard material for a photovoltaic cell module. The backboard material comprises the following components in parts by mass: 5-10 parts of iron, 10-15 parts of chromium, 1-10 parts of vanadium, 50-70 parts of aluminum and 10-30 parts of magnesium. Preferably, the backboard material for the photovoltaic cell module comprises the following components in parts by mass: 6-8 parts of iron, 11-13 parts of chromium, 4-8 parts of vanadium, 55-65 parts of aluminum and 15-25 parts of magnesium. Preferably,the backboard material for the photovoltaic cell module comprises the following components in parts by mass: 7 parts of iron, 12 parts of chromium, 6 parts of vanadium, 60 parts of aluminum and 20 parts of magnesium. Preferably, the thickness of the backboard material of the photovoltaic cell module is 15-20 [mu] m. According to the invention, while the metal ductility of the backboard material for the photovoltaic cell module is improved, pinholes are reduced, and the cost can be effectively reduced. The backboard material prepared according to the ratio of the technical scheme of the invention can prevent electrochemical reaction of the photoelectric conversion unit.

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 embodiment of the invention discloses an LED chip and a manufacturing method thereof, the LED chip comprises a chip substrate, an epitaxial structure, a P-type electrode, an N-type electrode and an insulating layer, the epitaxial structure comprises a first P-type layer, a first active layer and a first N-type layer, the first N-type layer comprises a first N-type sub-layer and a second N-type sub-layer, the active layer and the first N-type sub-layer expose part of the surface of the P-type layer, and the first N-type sub-layer and the second N-type sub-layer expose part of the surface of the P-type layer. The second N-type sub-layer is located on the surface of the first N-type sub-layer, the N-type electrode is located on the side, away from the surface of the chip substrate, of the second N-type sub-layer and covers the second N-type sub-layer, and the insulating layer covers the part, except the surface of the P-type electrode and the surface of the N-type electrode, of the surface of the LED chip. Therefore, the N-type electrode covers the second sub-N-type layer, the second sub-N-type layer can be prevented from being exposed, and the insulating layer wraps the uncovered parts of the first sub-N-type layer and the second sub-N-type layer, so that electrochemical reaction between the N-type layer and water vapor in the environment can be inhibited.

The invention discloses a copper-molybdenum alloy etching liquid composition. The copper-molybdenum alloy etching liquid composition mainly comprises, by weight, 5%-12% of hydrogen peroxide, 5%-10% of organic acid, 5%-10% of organic alkali and 0%-0.5% of etching inhibitor. The organic alkali is steric hindrance amine or the main composition of the organic alkali comprises the steric hindrance amine, and the pKa of the steric hindrance amine is 10.3-11.1 at the temperature being 25 DEG C. The steric hindrance amine is adopted for etching liquid composition of the copper-molybdenum alloy as the organic alkali, or the organic alkali mainly comprises the steric hindrance amine, and by utilizing the steric hindrance of a molecular structure of the organic alkali, in an etching system without fluorine ions and phosphorus components, the problem of molybdenum or molybdenum alloy undercutting caused by organic acid consumption and alkalinity enhancement fluctuation in the later reaction stage is solved. The invention further discloses an etching method of the etching solution composition based on the copper-molybdenum alloy.

The invention discloses a two-component water-based primer-topcoat coating with high salt mist resistance and high weather resistance and a preparation method of the two-component water-based primer-topcoat coating. The coating consists of a component A and a component B, the component A is prepared from 30 to 60 parts of water-based modified epoxy resin, 10 to 20 parts of water-based acrylic emulsion, 2 to 10 parts of coloring pigment, 8 to 15 parts of filler, 10 to 20 parts of anti-rust pigment, 5 to 10 parts of ceramic powder, 1 to 2 parts of dispersing agent, 0.1 to 0.5 part of defoaming agent, 0.2 to 0.5 part of wetting flatting agent, 1 to 4 parts of coalescing agent, 0.5 to 2 parts of anti-flash-rust additive, 1 to 2 parts of ultraviolet light absorber, 10 to 20 parts of pure water, 0 to 1 part of rheological additive and 5 to 10 parts of solvent; and the component B comprises the following components in parts by weight: 50-80 parts of an epoxy curing agent, 20-40 parts of a cosolvent and 5-10 parts of an adhesion promoter. According to the invention, a single coating has good adhesive force, higher salt spray resistance and higher weather resistance to a complex substrate at the same time.