109results about How to "Reduce the amount of coating" patented technology

The invention relates to a water-based high-viscosity glued diaphragm, a preparation method thereof and an application of the diaphragm in a battery. The water-based high-viscosity glued diaphragm comprises a base membrane, and a positive polymer layer and a negative polymer layer which are respectively arranged at two sides of the base membrane, wherein a positive ceramic layer is arranged between the base membrane and the positive polymer layer, and/or a negative ceramic layer is arranged between the base membrane and the negative polymer layer; a binder in the positive polymer layer and a battery positive electrode piece is the same type of binder, and a binder in the negative polymer layer and a battery negative electrode piece is the same type of binder. The diaphragm disclosed by theinvention has the characteristics of small coating amount of coatings on two sides, light and thin coatings, high cohesiveness and the like, so the shaping effect of a battery cell is optimal, and module boxing is facilitated; meanwhile, a module limiting effect is achieved. Moreover, the risk of hole blockage of the diaphragm is low, so the internal resistance of the battery cell is stable and controllable, the lithium precipitation risk is reduced, and the cycle life and safety performance of the battery cell are ensured.

The invention discloses a preparation method of a high-rate capacity lithium iron phosphate material, which comprises the steps of: weighing FePO4.xH2O and a lithium source compound as raw materials according to the mol ratio of Li to Fe of (1-1.05) :1, adding a carbon source compound and a catalyst (nitrate or acetate of Fe, Co, Ni and the like), ball-grinding for 0.5-24h by using deionized water, absolute ethyl alcohol or acetone as a ball grinding medium to obtain slurry, spraying and drying the slurry and then thermally treating under the protection of an inert gas, and in the process, with the thermal cracking of the carbon source compound, promoting the carbon source compound to form a carbon cladding cover with higher graphitization crystallinity under a lower temperature through mutual action of the catalyst and the carbon source compound. The lithium iron phosphate cathode material prepared by adopting the preparation method has higher electronic conductivity and higher specific capacity under the condition of lower carbon content, greatly improved high-rate performance especially, and better application value in the field of power batteries.

An enteric coated hydrophobic matrix tablet for soluble, freely soluble and very soluble drugs.

The invention relates to a protein suspension chip of ricin and methods for preparing, quantifying and detecting the same. The detecting method comprises the following steps: adding a working solution and a sample to be tested into a hole; adding a detection antibody; adding SA-PE; adding a detection buffer solution and mixing the mixture evenly; and reading numerical values, analyzing data and judging the detection result. The quantifying method comprises the following steps: adding a positive test sample or a standard product for dilution through gradient multiple proportions, detecting a series of diluted samples in a suspension chip system, and reading a corresponding fluorescence value (MFI); making a dosage-reaction curve; and fitting the dosage-reaction curve and an equation. The suspension chip comprises a coded microsphere, a ricin capturing antibody coated on the microsphere, a biotin-marked ricin detection antibody, a streptavidin-phycoerythrin and the buffer solution. The methods have the advantages of good detectability, high sensitivity, strong specificity and wide dynamic range.

The invention discloses cement-based polymer waterproof mortar which is characterized by being prepared from, by weight, 5-10 parts of 3-chloro-2-hydroxy propane sulfonic acid ionized modified hyperbranched polyamino acid, 2-5 parts of a fatty acid-based addition polymer, 0.5-2.5 parts of calcium borogluconate, 1-3 parts of nano alumina sol, 10-15 parts of pelelith powder, 100 parts of Portland cement, 3-7 parts of palygorskite powder, 3-5 parts of glass fiber powder, 3-8 parts of industrial solid waste powder, 20-30 parts of a styrene-acrylic emulsion, 1-3 parts of sodium laureth sulfate modified crosslinked super absorbent resin, 80-120 parts of fine sand and 80-100 parts of water. The invention also discloses a preparation method of the cement-based polymer waterproof mortar. The cement-based polymer waterproof mortar has the advantages of good impermeability, low water absorption rate, high bending strength and bonding strength, convenient construction, aging resistance and remarkable waterproof performance.

The invention provides a positive electrode sheet capable of realizing high-rate discharge, and a lithium ion battery comprising the positive electrode sheet. According to the invention, a first positive electrode active material layer is prepared from a first positive electrode active material comprising a polycrystalline nickel-containing ternary material, and a second positive electrode activematerial layer is prepared from a second positive electrode active material comprising a monocrystalline or monocrystalline-like nickel-containing ternary material; by arranging the first positive electrode active material layer and the second positive electrode active material layer, the coating amount can be reduced, and the rate capability of a lithium ion battery can be improved, or the energydensity of the lithium ion battery can be increased while the rate capability of the lithium ion battery is ensured; and by utilizing the characteristics of good stability of the second positive electrode active substance and relatively small contact area with an electrolytic solution, the side reaction in the high-rate discharge process can be reduced, the risk of gas production failure is reduced, and the quick discharge performance of the system can also be ensured.

The invention discloses a liquid phase chip for detecting twelve pathogen antibodies in a blood serum sample in high flux, and a preparation method and a using method thereof. The method is high in detection capability, sensitivity and specificity and wide in dynamic range; during sample detection at one time, the twelve pathogen antibodies can be detected at the same time; detection items can be organized flexibly, so only the requested pathogen antibodies are detected; moreover, an open detection modeling platform which is represented by a Tula antibody and a Dengue antibody and used for detecting the liquid phase chip for quantitatively detecting microorganism antibodies is built.

The invention provides a positive electrode sheet capable of realizing high-rate discharge, and a lithium ion battery comprising the positive electrode sheet. According to the invention, a positive active material layer is prepared by mixing a first positive active material (polycrystalline nickel-containing ternary material) and a second positive active material (monocrystalline or monocrystalline-like nickel-containing ternary material), and can reduce the coating amount and improve the rate capability of a lithium ion battery at the same time, or increase the energy density of the lithium ion battery while ensure the rate capability of the lithium ion battery; and by utilizing the characteristics that a second positive electrode active substance has good stability and the contact area with an electrolytic solution is small, the side reaction in the high-rate discharge process can be reduced, the risk of gas production failure is reduced, and the quick release performance of the system can be ensured.

The invention belongs to the field of preparing electrodes for electrochemical engineering, and more specifically, relates to a coated titanium anode and a spraying pyrolysis preparation method thereof. The method includes following steps: (1), coating the surface of a titanium plate after being pretreated with an antioxidation layer; (2), controlling temperature of the titanium plate to 250-300 DEG C, and atomizing and spraying electrode preparation raw material slurry onto the surface of the antioxidation layer of the titanium plate; (3), sintering the titanium plate at high temperature to obtain the coated titanium anode. The coated titanium anode is prepared by combining spraying technology with step-by-step thermal treatment, so that the technical defect of short service life of electrodes caused by the fact that coatings are prone to dry-cracking when being baked at high temperature in a brush-coating method in the prior art is overcome ingeniously; quick and accurate preparationof the coated titanium anode is realized, preparation cost is low, and product quality is controllable. On the premise that performance is ensured, coating amount of precious metal is lowered greatly, cost of the coated titanium plate is lowered remarkably, and expansion and parity of applying the coated titanium anode are facilitated.

The invention relates to a preparation method of a waterborne bass with pressure change resistance and high resilience property. The method comprises steps as follows: (1) preparation of slurry: 1) preparation of waterborne bass foaming slurry: 10-30 parts of tap water, 2-5 parts of a waterborne dispersant, 1-3 parts of a waterborne crosslinking agent, 3-6 parts of a waterborne stabilizer, 3-6 parts of a waterborne foaming agent, 2-5 parts of a medium-temperature microsphere foaming agent, 20-40 parts of filling powder and 1-2 parts of a thickener are sequentially added to 200-300 parts of waterborne polyurethane resin, the mixture is stirred and mechanically foamed, and the waterborne bass foaming slurry with uniform pores is prepared; 2) preparation of a curing liquid: 85-95 parts of tap water are added to 6-14 parts of a demulsifying curing agent and stirred uniformly, and the curing liquid is obtained; (2) preparation of the waterborne bass: the waterborne bass foaming slurry is uniformly applied to knitted or woven fabric and sequentially subjected to water washing and press drying after being solidified through the curing liquid and finally enters a five-zone stepped heating oven to be foamed and dried, and the waterborne bass is obtained. The waterborne bass is low in cost, safe, environment-friendly and high in pressure change resistance and air permeability.

The invention relates to a new quantitative detection method and a product for detecting tuberculosis antibody in a serum sample. The method of the invention has good detection capability, high sensitivity, strong specificity and wide dynamic range. The invention establishes an open detection modularised platform of pathogenic bacteria antibody protein suspension chip detection with the tuberculosis antibody as a representative.

The invention discloses a kind of coating fabric for air bags and a production method thereof. The fabric is composed of weft yarns and warp yarns, which are polyester flat yarns with a flatness rate of 1.6 to 2.5, the coating amount of the fabric is 10 to 15 g/m2, and the capacity of the fabric is 1300 to 1500 cm3. The coating fabric for air bags has the characteristics of high tensile strength, good capacity, low air permeability, and low production cost.

The invention aims at providing a protein suspension chip which can quantitatively detect the bacteria and a detection method thereof, particulary relates to a method for detecting the protein suspension chip which is suitable for quantitative detection and analysis of Yersinia pestis (Y.pestis). The method has high sensitivity, strong specificity, good detection capacity and wide dynamic range, and establishes a new detection mode platform.

The invention belongs to the technical field of lithium ion batteries, and concretely discloses a lithium ion battery positive electrode plate and a lithium ion battery negative electrode plate, making methods thereof, a roll core, and a lithium ion battery. In the lithium ion battery positive electrode plate and the lithium ion battery negative electrode plate, the positive/negative electrode plate comprises a positive/negative electrode current collector layer, a positive/negative electrode light surface material layer and a positive/negative electrode shadow surface material layer; the positive electrode light surface material layer and the positive electrode shadow surface material layer are respectively arranged on two external surfaces of the positive electrode current collector layer; the negative electrode light surface material layer and the negative electrode shadow surface material layer are respectively arranged on two external surfaces of the negative electrode current collector layer; the surface density of the electrode material in the shadow material layer is 30-48% of the surface density of the total electrode material of the corresponding electrode plate; and the surface density of the electrode material in the light material layer is 52-70% of the surface density of the total electrode material of the corresponding electrode plate. The above positive and negative plate structure makes the positive electrode plate closely cooperate with the negative electrode plate in order to effectively increase the compacted density of the positive electrode plate and the negative electrode plate, so the energy density of the finally obtained lithium ion battery is improved by at least 8.5%.

The invention relates to a preparation method of a composite oxide catalyst used for purifying a diesel engine and belongs to the technical field of catalysis. The catalyst is prepared with cordierite honeycomb-like ceramic as a carrier, with [gamma]-Al2O3 as a coating and with Pt as an active component with addition of components such as Ce, Ba and the like. In the composite oxide catalyst, one or two coated catalysts can be employed, when one coated catalyst is employed, the coated catalyst is one of an oxidizing catalyst or a reducing catalyst and the catalyst can be used for coating an A zone and a B zone of the carrier at different coating amounts; and when two coated catalysts are employed, one is the oxidizing catalyst and the other is the reducing catalyst. The one or two catalysts coat the same carrier with different loading capacities in the A zone and the B zone of the carrier. The composite oxide catalyst can effectively reduce discharge of PM and NOx in tail gas of the diesel engine, can effectively increase the conversion rates of the PM and the NOx, and is better in economy.

The invention discloses a protein suspension chip for synchronously detecting various antibodies in serum sample and a preparation method and a using method thereof. The method has the advantages of good detection capacity, high sensitivity, strong specificity and wide dynamic range, and an open detection modular platform of the protein suspension chip for detecting microbial antibodies represented by West Nile antibody, Francisella tularensis antibody, dengue fever antibody and influenza antibody is established.

The invention aims at providing a protein suspension chip which can quantitatively detect the bacteria and a preparation method thereof, particulary relates to a protein suspension chip which is suitable for quantitative detection and analysis of Yersinia pestis (Y.pestis). The method has high sensitivity, strong specificity, good detection capacity and wide dynamic range, and establishes a new detection mode platform.

The invention relates to a method for producing a metal part. Said method comprises the steps of supplying a strand of metal material and applying a coating from a fluxing agent composition to a surface of the strand of material by means of an application device (1), said fluxing agent composition being applied to only a defined portion of the surface of the strand of material by means of the application device (1).

The invention discloses a laser welding method for a plate composed of a steel base body and a pre-plating layer. According to the laser welding method, firstly, a preheating heat source is adopted for preheating areas on the two sides of the butt joint position of adjacent plates, the pre-plating layer on the surface of a heat affected zone of the heated plate is melted and flows to the positionnearby a hot melting area formed after preheating, then the plate is subjected to laser welding, accordingly, the plating layer amount of the surface of a weld joint formed after plate welding is reduced, the plate is away from the weld joint, especially the heat affected zone, intermetallic compounds of the plate in the weld joint area are reduced, and the strength of the weld joint is improved.

The invention discloses a low-air-permeability one-time forming safety air bag which comprises double cloth. The edge of the double cloth is continuously bonded together, and a cavity can be formed inthe double cloth. A moistening layer evenly covers the fiber surface of the double cloth, and the moistening layer is manufactured through a moistening layer treatment agent. The moistening layer treatment agent comprises the following components including, by weight, 0.5-10 parts of fatty alcohol and ethylene oxide condensation compounds, 0.5-10 parts of fatty alcohol polyoxyethylene ether, 0.5-10 parts of fatty alcohol glycol ether and 70-97.5 parts of water. Each of the front surface and the back surface of the moistening layer is evenly coated with a coating. The invention further discloses a production technology of the above low-air-permeability one-time forming safety air bag. The low-air-permeability one-time forming safety air bag and the production technology of the above low-air-permeability one-time forming safety air bag have the beneficial effects that on the premise that the same pressure maintaining performance is reached, 23%-31% of the coating amount can be reduced,the use amount of the chemical raw material of organic silica gel is reduced, the cost is saved, and the production process is more environment-friendly.