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

7759results about How to "Will not pollute" patented technology

Large-capacity high power polymer ferric lithium phosphate power cell and preparation method thereof

The invention discloses a large-capacity high-power polymer lithium iron phosphate power battery. The weight ratio of anode slurry is as follows: 81 to 85 percent of lithium iron phosphate, 1 to 5.5 percent of superconduction carbon, 0 to 2.5 percent of conductive carbon soot, 0 to 4 percent of conductive black lead, 0 to 2.5 percent of crystalline flake graphite, 0 to 2 percent of carbon nanometer tube as well as 6 to 7.5 percent of polyvinylidene fluoride; the weight ratio of cathode slurry is as follows: 89 to 91 percent of cathode material, 1 to 3.5 percent of superconduction carbon, 0 to 2 percent of conductive carbon soot, 0 to 4 percent of conductive black lead, 2.5 to 3.5 percent of styrene-butadiene rubber as well as 1.5 to 2 percent of sodium carboxymethyl cellulose; the steps for preparing the battery are as follows: preparing slurry, coating the anode and the cathode, rolling and pressing a polar plate, transversely and separately cutting the polar plate, baking the polar plate, welding the polar ears of the anode and the cathode, preparing a battery cell, putting the electric core into a shell and sealing, baking the electric core, injecting liquid into the battery as well as forming the battery and dividing the volume of the battery. The invention relates to a lithium-ion secondary battery which can provide drive energies for electric tools, electric bicycles, motor cars and electric vehicles.
Owner:MCNAIR TECH

Circulation cold air apparatus for high voltage frequency conversion equipment

A cycle cold wind device used in the high pressure frequency conversion device, includes a high pressure frequency conversion device cabinet for the cooling process to the heating components in the cabinet, a heat exchange cabinet for the separating cool to the hot air by the water in the disk pipeline, an air intake connecting channel for delivering the hot air discharged from the high pressure frequency conversion device into the air inlet of the heat exchange cabinet, and an air outtake connecting channel for delivering the cold air discharged from the heat exchange cabinet into the air inlet of the high pressure frequency conversion device. The air in the high pressure frequency conversion device and the heat exchange cabinet constitutes a sealing space of the cold and hot air cycle flow through the air intake connecting channel and the air outtake connecting channel. The device is changed into the sealing door from the traditional high pressure frequency conversion device, then is added with a heat exchange cabinet and two vent channels, thereby better solving the defect on the heat radiation of the high pressure frequency conversion device, with the advantage of simple structure, practicality, low cost of the manufacture, the use and the maintenance, long service life and marked efficacy.
Owner:北京合康新能变频技术有限公司

Anti-knock container

ActiveCN1632445AOpen and close flexible and convenientNot easy to wearAmmunition storageDetonatorEngineering
The invention belongs to storage and transportation equipment for detonating materials (detonators), in particular to an anti-explosion container. The anti-explosion container includes an upper cover, a cylinder and a fixed bracket. It is characterized in that the cylinder is composed of an outer cylinder and an inner cylinder, wherein the outer cylinder is a cylinder with an open upper end and a closed lower end. The lower part of the inner cylinder is provided with a lower wave breaking plate. , the upper cover is composed of a top cover plate and a cover wall, wherein the lower end of the cover wall is provided with an upper wave dissipation plate, the cover wall and the upper port of the outer cylinder are connected by splines, and the top cover plate is provided with explosion-venting bolts. The invention can not only ensure safety when the detonating equipment and explosives are transported in the same vehicle, but also can seal the harmful gas generated by the explosion in the container in case of an explosion in the container, and discharge the harmful gas after it is transported to a suitable place. In order to avoid polluting the environment and causing casualties and damage to surrounding personnel and facilities. It has the advantages of flexible and convenient opening and closing, large loading capacity, long service life, and good anti-explosion and explosion-proof performance.
Owner:蒋友明

Method for preparing nano polyporous material with large specific surface area by vacuum freeze-drying process

The invention provides a method for preparing nano porous materials with a large specific surface area by a vacuum freeze drying method with short period, simple process and non environmental pollution, which comprises the following steps: (1) taking an organosilane presursor or metal alkoxide as a raw material to synthesize wet gel; (2) allowing the wet gel to stand for 1 to 7 days, and performing aging on the wet gel; (3) using ethanol to clean the wet gel for 1 to 2 days; (4) adding a modifier into the wet gel for soakage for 1 to 2 days, performing solvent displacement, and modifying a three-dimensional network structure of the wet gel; and (5) placing the obtained product into a freeze drying box for prefreezing and vacuum drying. The method is to adopt a novel drying method, namely the vacuum freeze drying method, to dry the wet gel on the premise of maintaining the structure of the wet gel. The drying method has short period and simple process, avoids environmental pollution, cannot damage the network structure of the gel, reduces the production cost, and accelerates the large-scale commercialized application process of nano porous super heat-insulating materials, catalysts and catalyst carrier materials.
Owner:GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI

Method for preparing nano hydroxyapatite powder

The invention relates to a method for preparing nano hydroxyapatite powder, belonging to the field of the biomedical material. The method for preparing the nano hydroxyapatite powder comprises the following steps: adding the organic polymer of polyethylene glycol to the initial reactants of calcium nitrate and diammonium phosphate solution to adjust and control the morphologies of the products of reaction; adding aqueous ammonia to adjust the pH values of the products of reaction, and making the aqueous ammonia react with the products of reaction at different water bath temperature to synthesize nano hydroxyapatite precipitate, wherein the agglomeration of the synthesized nano hydroxyapatite precipitate can be inhibited by the polyethylene glycol functioning as the dispersant; freezing and drying synthesized nano hydroxyapatite precipitate slurry to obtain dry nano hydroxyapatite powder which contains by-products of reaction and polyethylene glycol, and calcinating the dry nano hydroxyapatite powder at high temperature to remove the by-products of reaction and the polyethylene glycol which are contained in the dry nano hydroxyapatite powder to obtain the nano hydroxyapatite powder which is in the shape of the ball or the rod and in the particle size of 10-100 nm and has high yield and good dispersion. The method for preparing the nano hydroxyapatite powder is simple, needs short preparing period, causes no poison and pollution and is suitable for industrial production.
Owner:SICHUAN UNIV

Halogen-free fire-retardant high heat conducting insulating resin composition and heat dissipation metal-base copper clad plate

The invention discloses a halogen-free fire-retardant high heat conducting insulating resin composition and a heat dissipation metal-base copper clad plate (CCL). The composition comprises the following components in parts by weight: 10-45 parts of halogen-free epoxy resin, 0-15 parts of thermoplastic resin and/or synthetic rubber, 0.1-5 parts of curing agent, 0.02-1 parts of accelerator, 0.5-1 parts of antioxidant and 25-80 parts of heat conducting filler. The halogen-free fire-retardant high heat conducting insulating resin composition of the invention adopts high heat conducting filler, and the cured composition shows good thermal conductivity, electric insulativity and welding heat resistance as well as high adhesive force. The invention also discloses a heat dissipation metal-base CCL prepared by using the above halogen-free fire-retardant high heat conducting insulating resin composition, which has high thermal conductivity and high peel strength, does not have the problems of peel-off and deterioration even being subjected to thermal cycle of quick heating and quick cooling, and also has high electrical breakdown resistance, good heat resistance and soldering resistance and the like, and the flame retardant rating of the heat dissipation metal-base CCL reaches UL-94V0.
Owner:ALLSTAE TECH ZHONGSHAN

Method for refining solidified structure of laser cladding layer by using alternating magnetic field and device thereof

The invention relates to a method for refining a solidified structure of a laser cladding layer by using an alternating magnetic field and a device thereof, belongs to the technical field of laser processing. A compound coating is prepared on the surface of a substrate in a manner of conventional powder-feed laser cladding; the alternating magnetic field is applied to acting on a laser molten pool during the laser cladding; the powder-feed laser cladding process is carried out under the alternating magnetic field; and the direction of magnetic lines of force generated by the alternating magnetic field is perpendicular to the scanning speed direction of the laser cladding. The device for refining the solidified structure of the laser cladding layer by using the alternating magnetic field comprises a cooler, a CO2 laser, an argon protector, a synchronous powder feeder, a clamping device, an alternating magnetic field, a cladding substrate body and a numerical control operation floor. The method and the device provided by the invention are capable of obviously refining the solidified structure of the cladding layer; when alternating current with certain frequency is introduced into a coil, an alternating magnetic field can be generated between a metal melt and the magnetic field coil; and the intensity of the alternating magnetic field is controlled so as to change a form of the solidified structure of the cladding layer and refine crystalline grains through changing the intensity of an alternating magnetic field. The device provided by the invention is simple, low in investment cost, high in benefit, etc.
Owner:KUNMING UNIV OF SCI & TECH

Tazobactam synthesis method

The invention relates to a tazobactam synthesis method which comprises the steps of: with 6-APA(Amino Penicillanic Acid) as raw material, preparing a key intermediate 6,6-dihydro penam sulphoxide acid diphenylcarbinol ester through successive reactions of esterification, oxidation, reduetive debromination and the like without separation; then, reacting with 2-triphenyl silicon-1,2,3-triazole; introducing a triazole ring; and finally obtaining the final product of tazobactam through potassium permanganate oxidation and metacresol deprotection. The tazobactam synthesis method is mainly characterized in that a phase transfer catalyst is introduced in the first step, therefore, the reaction rate and the product purity are improved; since an environment-friendly hydrogen peroxide-cobalt acetate catalytic oxidation system is adopted in the third step, the characteristics of good reaction selectivity, high yield, catalyst recyclability and the like are achieved; a method for synthesizing 2 alpha-methyl-2 beta-(1,2,3- triazole-1- radical) methyl penam-3 alpha-carboxylic acid diphenylcarbinol ester by using 2-triphenyl silicon-1,2,3-triazole is adopted in the fifth step, and the tazobactamsynthesis method is simple and convenient to operate, is safe and reliable, shortens the reaction route and improves the total yield. Compared with the traditional process, the tazobactam synthesis method greatly reduces the production cost and the environment pollution and has greater implementation value and economic benefits.
Owner:YIYUAN XINQUAN CHEM

Preparation method of transition metal oxide/carbon-based laminated composite material

InactiveCN104733712ALengthy process routeLong process routeHybrid capacitor electrodesCell electrodesNew energyConductive materials
The invention relates to a preparation method of a transition metal oxide / carbon-based laminated composite material. According to the preparation method, a conducting material such as metal carbide, metal nitride or metal carbonitride with a two-dimensional laminated structure is taken as a precursor, a gas containing oxygen elements is taken as an oxidant, and the two-dimensional conducting material is converted into the transition metal oxide / carbon-based laminated composite material by in-situ oxidation under the condition of controlling the oxidation temperature at 300-1000 DEG C and controlling the oxidation time at 1-300 min. The method disclosed by the invention has the advantages of simplicity and easiness in operation, controllable structure and morphology, controllable crystal form and electrochemical properties of metal oxides, and the like; the preparation method is environment-friendly, and nuisanceless, has no by-product, can be used for reducing the economic costs of traditional preparation methods, and can be popularized; and the transition metal oxide / carbon-based laminated composite material not only can be used as a key electrode material of a new energy storage device, but also can be used as a denitration catalyst, so that the material can be applied to the fields of environmental remediation, and the like.
Owner:EAST CHINA UNIV OF SCI & TECH +1

Roasting sagger for circulating type lithium battery anode material and preparation method thereof

The invention discloses and provides a roasting sagger for a circulating type lithium battery anode material, which is simple in manufacturing process and structure, does not easily react with a lithium battery material, can avoid polluting the lithium battery material, does not pollute the environment and can be recycled, and a preparation method thereof. The preparation method of the roasting sagger for the circulating type lithium battery anode material comprises the following steps of: (1) uniformly mixing mullite, cordierite, aluminum oxide, corundum, kaolin, active magnesium oxide, spodumene and a bonding agent; adding the materials into a metal mould according to the weight; and pressing and molding a blank by pressing and molding equipment; (2) uniformly mixing zirconium oxide, the spodumene, cerium oxide, the corundum and the bonding agent; uniformly distributing the materials on the surface of the blank by a material distribution machine or manpower and pressing again by the pressing and molding equipment to obtain a semi-finished sagger product; and (3) drying the sagger semi-finished product and sintering. The roasting sagger disclosed by the invention can be widely applied to the field of the sagger for the lithium battery anode material.
Owner:李艳晖

Temperature-measuring system of distributed fibers

InactiveCN101713689AContinuous Temperature MonitoringIncreased monitoring distance lengthThermometers using physical/chemical changesEquipment temperatureRayleigh scattering
The invention relates to a temperature-measuring system of distributed fibers, aiming at the continuous monitoring of temperature parameters of underground electromechanical transport equipment. The temperature-measuring system of distributed fibers comprises a singlechip control board, a fiber temperature field information acquisition module, a photoelectric detector and a circuit signal post-processing module, wherein the fiber temperature field information acquisition module comprises a pulse fiber laser and a wavelength division multiplexer; the circuit signal post-processing module comprises an acquisition card and a personal computer (PC); the singlechip control board is connected with the pulse fiber laser and the acquisition card by leads; the wavelength division multiplexer is connected with the pulse fiber laser and the photoelectric detector by fibers; incident light emitted by the pulse fiber laser is output to the sensing fiber by the wavelength division multiplexer; the sensing fiber feeds backward scattered light with temperature variance information of mine equipment back to the wavelength division multiplexer; and the wavelength division multiplexer extracts two scattered light beams of anti-Stokes and Stokes from the backward scattered light to restrain Rayleigh scattered light and other non-linear scattered light; and the photoelectric detector is connected with the acquisition card by a lead.
Owner:太原市电子研究设计院

Surface desorption atmospheric chemical ionization source and method for analyzing surface desorption atmospheric chemical ionization mass spectrum

The invention discloses a normal atmosphere chemical ionization source for surface desorption of a velocitron. A capillary and a spray point arranged in the capillary constitute a reagent ion generation system. When the reagent admitted through the capillary is sprayed out from one end of the capillary, the reagent is ionized to generate ions of the reagent due to the corona discharge of a discharge electrode; the reagent ions impact specimens inside a specimen disc to ionize the specimens, and the specimen ions are admitted into the velocitron inlet capillary to be used for detection. The ionization source disclosed by the invention is equipped with a moving interface, which can be connected with common velocitrons, such as LCQ, LTQ, TSQ and so on, so that the ionization source can be upgraded and become more powerful. The invention achieves quick and sensitive measurement of complicated basal body specimens by adopting the surface desorption atmospheric pressure chemical ionization mass-spectrometric technique under the condition that sample pretreatment is not required. In addition, the invention is applicable for real-time on-line non-destructive analysis in situ during industrial or environmental course. The ion source is joined with related velocitrons, and can achieve different detection modes, such as cation detection, anion detection, free radical ion detection and so on, according to the properties of specimens.
Owner:江西正谱奕和科技有限公司
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