Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

5466results about How to "Adequate response" patented technology

Lithium ion battery positive pole material cobalt nickel oxide manganses lithium and method for making same

The invention relates to a nickel cobalt manganese lithium oxide material used for an anode of a li-ion battery and a preparation method. The invention belongs to the li-ion battery technical field. The nickel cobalt manganese lithium oxide material used for the anode of the li-ion battery is a li-rich laminated structure with the chemical component of Li1+zM1-x-yNixCoyO2; wherein, z is less than or equal to 0.2 and more than or equal to 0.05, x is less than or equal to 0.8 and more than 0.1, and y is less than or equal to 0.5 and more than 0.1. The preparation method of the invention is that dissoluble salt of the nickel, cobalt and manganese is taken as the raw material; ammonia or ammonium salt is taken as complexing agent; sodium hydroxide is taken as precipitator; water-dissoluble dispersant and water-dissoluble antioxidant or inert gas are added for control and protection; in a cocurrent flow type the solution is added to a reaction vessel for reaction; after alkalescence disposal, aging procedure, solid-liquid separation and washing and drying, the nickel cobalt manganese oxide is uniformly mixed with the lithium raw material; the nickel cobalt manganese lithium oxide powder is obtained by sintering the mixed powder which is divided into three temperature areas. The invention has the advantages of high specific capacity, good circulation performance, ideal crystal texture, short production period, low power loss, and being suitable for industrial production, etc.
Owner:CHINA ELECTRONIC TECH GRP CORP NO 18 RES INST +1

Method for preparing environmentally-friendly adhesive for lignin-based timber

The invention discloses a method for preparing an environmentally-friendly adhesive for a lignin-based timber. The method comprises the following steps of: 1) adding phenol, formaldehyde solution, lignin, first alkali liquor and diluting water into a reactor, heating to the temperature of between 75 and 85 DEG C and reacting for 2.5 to 3.5 hours, wherein the molar ratio of formaldehyde to the phenol is 2.20:1-2.40:1; the formaldehyde solution is added for three times in a mass ratio of 1.5 to 1.0 to 1.0; and the reaction time ratio of the added formaldehyde solution is 1.2 to 1.0 to 1.0; 2) cooling to 70 DEG C, adding a formaldehyde collector and second alkali liquor, and reacting at the temperature of between 65 and 70 DEG C for 20 to 50 minutes; and 3) cooling to the temperature of between 30 and 40 DEG C, adding an intensifier, stirring for 10 to 30 minutes, cooling and discharging. In the method, a 50 to 60 percent petroleum-based phenol raw material can be substituted; the methodis stable in reaction, easy to control and easy for industrial production; formaldehyde emission of a plywood reaches E0 level; adhesive strength meets the requirements of national class I plates; and a new approach is provided for the development of an environmentally-friendly biomass-based timber adhesive and recycling of wastes.
Owner:青岛生物能源与过程研究所

Ventilated polyurethane plastic race-track surface layer cementing material

The invention discloses a ventilated polyurethane plastic race-track surface layer cementing material, and belongs to the technical field of race-track construction. The ventilated polyurethane plastic race-track surface layer cementing material consists of a component I and a component II at the mass ratio of 1:(3-4), wherein the component I is prepolymer containing isocyanate end group prepared from environment-friendly polyisocyanate, polyether glycol and an addition agent by reacting in a reaction kettle for 3 to 4 hours at the temperature of 70 to 80 DEG C, and the component II comprises polyether glycol with three functionalities, inorganic filler, pigment, a plasticizing agent, a curing agent, an antioxygen, an ultraviolet light absorber and the like. The obtained plastic race-track has the advantages that surface particles are not easy to fall out, the surface is smooth, the quality of the plastic race-track is improved, the service life of the plastic race-track is prolonged, the qualification rate of the plastic race-track is increased to more than 95% as compared with the conventional 82%, the production cost and the use cost are reduced. Moreover all of the used raw materials are environmental protection materials, and belongs to environment friendly materials, the environmental pollution is avoided, and security is provided for the health safety of sporters.
Owner:金华市一家建设工程有限公司

Method for low-temperature atmosphere-pressure hydrothermal synthesis of stephanoporate metal-organic framework

The invention discloses a method for hydrothermally synthesizing a porous metal-organic framework under low temperature and normal pressure, which comprises the following steps: 1) bivalent transition metal salt is put into proper amount of distilled water to be dissolved; 2) a multidentate organic ligand is put into proper amount of distilled water, and ammonia (30 percent, W/W) is added into the solution until the organic ligand is dissolved; 3) solutions obtained in step 1) and step 2) are mixed, and diluted by the distilled water; 4) the solution obtained in step 3) reacts for 4 to 24h at a temperature of between 80 and 100 DEG C, and is naturally cooled to room temperature at an environmental temperature to obtain an MOF crystal product; and 5) the MOF crystal product obtained in step 4) is filtered, MOF crystals are colleted and washed by the distilled water and absolute ethyl alcohol respectively, and the product is obtained after the natural drying. By performing a hydrothermal reaction in an ammonia solution, the method has mild conditions needed by the synthesis, less energy consumption and time consumption, and does not need a voltage resistant reactor. Therefore, the method is simpler and has lower cost; and a porous crystal material obtained by the synthesis has potential application value in the fields of gas separation, gas storage and heterogeneous catalysis.
Owner:CHONGQING UNIV

High-energy-density Ni-Co-based lithium ion positive electrode material and preparation method thereof

The invention discloses a high-energy-density Ni-Co-based lithium ion positive electrode material. The chemical general formula of a base material is LipNixCo1-xMmO2, M is a doping agent, and a clad material is an active material N; a positive electrode material of a lithium ion secondary battery is composed of second particles formed by gathering of primary particles, or primary particles, or mixed particles of primary particles and second particles. A preparation method of the high-energy-density Ni-Co-based lithium ion positive electrode material comprises the steps of preparation of a precursor of the lithium ion secondary battery positive electrode material and preparation of the lithium ion secondary battery positive electrode material. The Ni-Co binary precursor of the positive electrode material is subjected to a continuous coprecipitation reaction, elements are evenly mixed, the reaction is sufficient, and morphology control is facilitated; the cation mixing phenomenon is reduced through doping of proper elements in a binary high-nickel material, the structure is stabilized, safety and high-temperature performance of the battery material are improved, and the cladding active material improves first-time charge and discharge efficiency and the energy density of the material to a certain extent.
Owner:NANTONG RESHINE NEW MATERIAL

Preparation method of functional polyester fiber

The invention relates to a preparation method of a functional polyester fiber. The preparation method comprises the following steps: performing esterification by stages, wherein dihydric alcohols, polyhydric alcohols and functional inorganic powder are mixed according to a certain mole ratio, in the first esterification stage, acid is slightly excess to ensure that monomers with low capability of participating in esterification reaction in the polyhydric alcohols fully react and are grafted into polyester molecular chains, and in the second esterification stage, the dihydric alcohols are replenished to control the terminal carboxyl group of copolyester. The preparation method has the advantages that polyhydric functional groups can improve the apparent viscosity of a system and play a role in wrapping the introduced functional inorganic powder (such as far infrared ceramic inorganic powder, titanium dioxide powder and zinc oxide antibacterial powder), thus improving the dispersion uniformity of particles; settlement is unlikely to happen in the polymerization process and then functional polyester is prepared through condensation polymerization; the functional polyester fiber is finally prepared by carrying out melt spinning on the prepared polyester, has good moisture absorption property and flexibility and can be widely used for preparing far-infrared moisture absorbing and sweat releasing antistatic and antibacterial fabrics next to the skin.
Owner:JIANGSU HENGZE COMPOSITE MATERIALS TECH

Preparation method of carbon-coated sodium-micron-scale lithium titanate composite anode material

The invention relates to a preparation method of a carbon-coated sodium-micron-scale lithium titanate composite anode material. The method comprises steps as follows: lithium salt is dissolved in an aqueous solution of absolute ethyl alcohol, and the solution is marked a solution a; an organic titanium compound and a carbon source are dissolved in absolute ethyl alcohol, and the solution is marked a solution b; a chelating agent M is dissolved in absolute ethyl alcohol, ultrasonic dispersion is performed, and the solution is marked a solution c; the solution c is slowly dropwise added to the solution b while stirring, and white sol is obtained; then the solution a is slowly dropwise added to the white sol; after the sol is aged, heating, stirring, drying, grinding, sieving and calcination are performed, and the carbon-coated lithium titanate composite anode material is obtained. Lithium titanate has narrower particle size distribution and more uniform particle distribution, and sodium-micron-scale particles are uniformly inlaid to form particles with high tap density; the particle structure is loose and porous, the specific surface area of a formed electrode is larger, getting off of lithium ions in the lithium titanate material is facilitated, and the stability of the crystal structure of the lithium ions in the charge and discharge process is guaranteed.
Owner:SHANDONG YUHUANG NEW ENERGY TECH

Production method of ultrafine cell level ferric orthophosphate

InactiveCN101462704AIncrease response rateHigh purity of finished productPhosphatesCell electrodesChemistryPhosphate
The invention relates to a method for producing ultrafine battery-level positive ferric phosphate. The method comprises the following steps that: a ferrite solution is added into a catalytic reaction kettle, added with sulphuric acid to adjust the pH value and slowly added with hydrogen peroxide while stirring to perform oxidation reaction; the dissolved phosphate solution is added to the catalytic reaction kettle, added with soda ash or ammonia to control the pH value and strongly stirred to obtain slurry of the positive ferric phosphate; the slurry is water-washed, press-filtered and separated to obtain a positive ferric phosphate filter cake; a conversion reaction kettle is added with an aqueous solution of phosphoric acid and added with the filter cake, the pH value and the temperature of the obtained mixing solution are adjusted, and the mixing solution is stirred; the mixing solution is placed in a thermal insulation reaction kettle, heated and stirred for a few hours until the mixing solution becomes pink, and the slurry of the positive ferric phosphate is obtained; and the slurry is water-washed, press-filtered, dried and crushed to obtain a finished product of the positive ferric phosphate. The method has the advantages of complete reaction and high reaction ratio, 28 to 29 percent of the total iron content Fe<3+> of the obtained products and even and thin grain diameter, and the D50 is less than or equal to 2um, the P is more than or equal to 16 percent, the grain is ultrafine and high in purity, and has even grain diameter; and because waste slag discharged in the production of a titanium pigment or industrial acid pickling waste liquid is used as a raw material, the environment is protected, and the product cost is lowered.
Owner:刘世琦

Process for producing methane by dry-type fermentation of stalks

The invention provides a technique for producing biogas by utilizing stalk dry fermentation which includes the steps: I, cracking the stalks into 2 to 8mm by a cracking machine; II, transmitting the cracked stalks into a pre-treatment pool, adding hot water of 40 to 53 DEG C and a stalk fermentation agent in the pre-treatment pool to carry out pre-treatment; the cracked stalks and the biogas slurry refluxed by the anaerobic digester of the pre-treatment pool are mixed according to a proportion of 2 to 1; after stirring, the solid content rate of the stalk liquid is 20 to 35 percent; III, using a mud pump to equally transmit the stalk liquid to the top part of the anaerobic digester with a fermentation temperature of 40 to 53 DEG C; IV, the biogas generated by fermentation is purified to be clean fuel by gas-liquid separation. The technique can lead the stalks of 1.5kg to generate the biogas of 1m<3> (the content of methane is larger or equal to 55 percent); the degrading rate is more than 90 percent. The technique of the invention can continuously feed and discharge; the biogas slurry can be repeatedly used; only biogas slag is discharged; the biogas slag is manufactured into organic fertilizer by processing and can not cause any pollution to the environment.
Owner:HENAN FUCHENG ECOLOGICAL ENERGY TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products