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48results about How to "Effective isolation of contacts" patented technology

Application of high-molecular coating in aluminium negative electrode, aluminium negative electrode, preparation method thereof and secondary battery

The invention discloses application of a high-molecular coating in an aluminium negative electrode, the aluminium negative electrode, a preparation method thereof and a secondary battery and relates to the field of electrochemical energy storage devices. For the application of the high-molecular coating in the aluminium negative electrode, the aluminium negative electrode is used as a negative current collector and a negative active material simultaneously. The aluminium negative electrode is used as the negative current collector and the negative active material simultaneously and is coated with the high-molecular coating; the secondary battery comprises the aluminium negative electrode. The application disclosed by the invention has the beneficial effects that the problems that the volume of the aluminium negative electrode used as the negative current collector and the negative active material is expanded and the capacity is attenuated due to an unstable solid electrolyte membrane are relieved; after the high-molecular coating is applied on the aluminium negative electrode, electrolytic solution and the aluminium negative electrode can be effectively isolated, the aluminium negative electrode can be prevented from being eroded and reacted, the coulombic efficiency is effectively improved, the irreversible capacity can be reduced, the cyclic stability of the battery can be improved, simultaneously certain role is played in inhibiting powdering of the aluminium negative electrode in the process of volume expansion, and the integrity of the aluminium negative electrode structure can be ensured.
Owner:SHENZHEN INST OF ADVANCED TECH

High-concentration compound microbial fertilizer prepared by tower-type melt granulation and preparation method thereof

The invention discloses a high-concentration compound microbial fertilizer prepared by tower-type melt granulation and a preparation method thereof, belonging to the technical field of fertilizers. The fertilizer is composed of 300-500 parts of urea, 130-250 parts of monoammonium phosphate, 30-60 parts of humic acid, 200-300 parts of potassium sulfate, 1-10 parts of magnesium sulfate, 10-20 parts of compound microbial inoculant, 10-30 parts of polyaspartic acid, 30-50 parts of zinc sulfate, 20-30 parts of calcium superphosphate, 50-100 parts of oyster powder, 20-40 parts of silanization-modified zeolite, 3-5 parts of polyvinyl alcohol and 5-8 parts of urea formaldehyde. The fertilizer is reasonable in formula, can effectively improve the soil quality, implements balanced nutrient release, satisfies the demands of citruses for different nutrients in different growth periods, and can effectively prevent various physiological diseases from generation.
Owner:MEISHAN JINWEITE FERTILIZER

Multivitamin mineral preparation

The invention relates to the field of nutrition and health care and discloses a multivitamin mineral preparation. The multivitamin mineral preparation consists of enteric iron and selenium-embedded granules, multiple vitamins including vitamin C, and multiple mineral elements, wherein the enteric iron and for the selenium-embedded granules, iron and selenium are embed by a proper embedding agent, so that the iron and selenium can be effectively isolated from the vitamin C and other multiple vitamins, and multiple mineral elements which are added into the multivitamin mineral preparation. The stability of the vitamin C in the multivitamin mineral preparation is improved; most importantly, the loss of the vitamin C caused by contact reaction of the vitamin C with iron, selenium and other elements when the multivitamin mineral preparation is disintegrated after being eaten by a human body can be effectively prevented, and the absorption and utilization ratio of the vitamin C in the human body can be improved.
Owner:杭州海王生物工程有限公司

Biological fresh-keeping agent effervescent granules or tablets

The invention provides biological fresh-keeping agent effervescent granules or tablets. The biological fresh-keeping agent effervescent granules or tablets are prepared from the effective ingredients including, by weight, 15-50 parts of Pulullan, 1-10 parts of natamycin, 1-10 parts of nisin, 1-5 parts of kojic acid, 1-20 parts of Chinese herb extract and the like. During use, after 1 g to 5 g of the prepared effervescent granules or tablets are dissolved in 100 mL of water, a sample is treated in a spraying or soaking mode, and the sample is naturally dewatered. The biological fresh-keeping agent effervescent granules or tablets achieve an effective fresh-keeping effect on fresh food, fruits, vegetables and the like, and are convenient to package, store and use, and the effective ingredients of the biological fresh-keeping agent effervescent granules or tablets can be fully released.
Owner:SHANDONG FREDA BIOTECH

Preparation method of high temperature resistant wave-absorbing material

InactiveCN108149489AImprove absorbing performanceAdjustment and improvement of absorbing performancePhysical treatmentCarbon fibresFiberCross-link
The invention relates to the technical field of preparation of wave-absorbing materials, in particular to a preparation method of a high temperature resistant wave-absorbing material. According to thepreparation method, the wave-absorbing material with the high temperature resistance and a good wave absorbing property is prepared by taking carbon fibers as a substrate, polyimide resin and siliconcarbide and the like as a fortifier, and silica sol and dextrin as a modifier, silica gel can effectively isolate preventing contact of oxygen in air from getting in contact with and carbon fibers inair, accordingly the high temperature resistance of the wave-absorbing material is improved, absorbing of electromagnetic waves can be achieved by the modified carbon fibers, microwave absorption ofthe wave-absorbing material is enhanced, meanwhile, through blending and fermentation of polyimide resin and plant oil and yoghourt, an ester group is stem-grafted on the surface of resin under self cross-linking effect of microbes, the compatibility of resin and carbon fibers is improved, silicon carbide, hexagonal boron nitride, dextrin and aluminum oxide are added continuously, the wave absorption performance of the wave-absorbing material can be improved, and therefore, the preparation method has a wide application prospect.
Owner:常州富思通管道有限公司

Lithium ion battery composite negative electrode material and preparation method thereof

The invention provides a lithium ion battery composite negative electrode material, which comprises a fixed material, a first coating layer and a second coating layer, wherein the first coating layerand the second coating layer sequentially coat the mixed material; the mixed material is a mixed material of a silicon-based material, graphene and graphite; the mass ratio of the silicon-based material to the graphite is 1:(1 to 10); the mass ratio of the graphite to the graphene is 100:(0.01 to 5); the first coating layer is polyaniline; the second coating layer is polypyrrole. The invention also provides a preparation method of the lithium ion battery composite negative electrode material. The lithium ion battery composite negative electrode material and the preparation method provided by the invention have the advantages that the conductive performance of the composite negative electrode material is improved; the volume expansion of the silicon-based material is relieved; the double-layer conduction polymers have good compactness; the contact between electrolyte and the silicon-based material is effectively isolated; the circulation performance is excellent; in addition, the energyconsumption is reduced; the process is simple; the operation and the industrialization are easy.
Owner:OPTIMUM BATTERY CO LTD

Preparation method of high-temperature-resistant anti-static type release film

The invention relates to the technical field of film material preparation, in particular to a preparation method of a high-temperature resistant and antistatic release film. The invention uses modified epoxy resin as a matrix, self-made silver-loaded graphite powder and polyethylene terephthalate as accelerators, and supplemented with dimethyl silicone oil and ammonium persulfate to prepare a high-temperature-resistant and anti-static ionizer. Type film, first modify the epoxy resin, the bismaleimide resin and the cyanate resin are easy to form a triazine ring structure after heating, which enhances the high temperature resistance of the epoxy resin, because the silica sol contains Silicon, which can effectively isolate the contact between oxygen in the air and epoxy resin, thereby improving the high temperature resistance of the release film, and then use stannous chloride to sensitize the graphite powder, induce the reduction of silver ions to form silver simple substance, and adsorb on The surface of graphite powder improves the antistatic property of the release film, and the addition of polyethylene terephthalate further improves the antistatic property of the release film, which has a wide application prospect.
Owner:李巧珍

Core-shell heterogeneous lithium-ion battery composite positive electrode material composed of layered lithium-rich manganese-based and spinel-type lithium manganate and preparation method thereof

The invention discloses a core-shell isomerous lithium ion battery composite positive electrode material formed by layered lithium-rich manganese base and spinel type lithium manganate and a preparation method of the positive electrode material, and belongs to the field of a lithium ion battery electrode material. The lithium ion battery composite positive electrode material takes spinel type lithium manganate LiMn2O4 as an inner core and takes layered lithium-rich manganese base xLi2MnO3.(1-x)LiMO2 (x is greater than 0 and less than or equal to 1, M is MnaNibCo1-a-b, a is greater than 0 and b is less than 1) as a shell; according to the preparation method, the spinel type lithium manganate inner core is prepared firstly, and then the layered lithium-rich manganese base shell is prepared through a PVP auxiliary combustion method or a wet chemical method; the prepared lithium ion battery composite positive electrode material has high electrochemical cycle stability both at the room temperature and at a high temperature of 55 DEG C; and in addition, the method is simple in process and convenient to operate, and high in compatibility with preparation of lithium manganate by a high-temperature solid-phase method, and industrial production can be realized easily.
Owner:CENT SOUTH UNIV

Fish biological compound preservative and preparation method thereof

The invention provides a fish biological compound preservative and a preparation method thereof. The preservative is prepared from, by weight, 5-30 parts of Pulullan, 0.1-0.5 part of natamycin, 0.1-1 part of nisin, 0-10 parts of traditional Chinese medicine extracts and 0-20 parts of flavonoid compound. The traditional Chinese medicine extracts include one or more of honeysuckle extract, radix astragali extract, radix sanguisorbae extract, radix et rhizoma rhei extract and galla chinensis extract. Through the film forming performance of Pulullan, the synergetic antimicrobial effect of natamycin, nisin and traditional Chinese medicine extracts and the lipid oxidation resistance of flavonoid compound, preservative films are formed on surfaces of processed fish meat, and then the preservation and antisepsis effects are achieved.
Owner:SHANDONG FREDA BIOTECH

Liquid deposition preparing method for anti-corrosion TiO2-ZrO2 coating and anti-corrosion metal with anti-corrosion TiO2-ZrO2 coating

The invention discloses a liquid deposition preparing method for an anti-corrosion TiO2-ZrO2 coating. (NH4)2TiF6, H3BO3, Zr(SO4)2 and (NH4)2S2O8 serve as raw materials, metal is deposited for 5 h to 48 h under the water bath condition at the temperature ranging from 20 DEG C to 80 DEG C according to a liquid deposition method, the deposited metal is washed through distilled water and aired and is then put in a high-temperature muffle furnace, the temperature is increased to 400 DEG C to 800 DEG C, calcination is kept for 1 to 5 hours, and therefore the TiO2-ZrO2 coating is prepared on the surface of the metal. Through tests, when prepared stainless steel with the TiO2-ZrO2 coating is compared with untreated stainless steel, the corrosion current density of a polarization curve of the stainless steel with the coating in a terrestrial heat aqueous solution is reduced by about one order of magnitude, the polarization resistance of the stainless steel is improved by 15 to 23 times, the annual corrosion rate is increased by 80% to 90%, and the good corrosion resistant effect is achieved.
Owner:CHONGQING UNIV OF TECH

Composite negative plate and preparation method and application thereof

The invention provides a composite negative plate. The composite negative plate comprises a metal foil simultaneously used as a negative current collector and a negative active material, a solid electrolyte thin film layer arranged on one surface of the metal foil, and a diamond-like film layer arranged on the surface, deviating from the metal foil, of the solid electrolyte thin film layer. The solid electrolyte layer has good lithium conduction performance, improves the interface ion diffusion rate of the composite metal negative electrode / electrolyte, and improves the rate capability of thebattery. The solid electrolyte layer can effectively isolate the contact between the surface of the composite metal and the electrolyte, so that the side reaction process is reduced, and the coulombicefficiency of the battery is improved; and the solid electrolyte layer can also provide an effective mechanical protection effect for the composite metal negative electrode, and the pulverization problem of the composite metal negative electrode caused by volume change in the electrochemical reaction process is improved, so that the cycle performance of the battery is effectively improved.
Owner:SHENZHEN INST OF ADVANCED TECH

Biomass gasification burner

The invention relates to the field of biomass gasification equipment, in particular to a biomass gasification burner which mainly comprises a machine frame, a hearth, a cyclone separator, a hydraulic slagging deashing mechanism, a first water tank, a second water tank and a slag collector. The hydraulic slagging deashing mechanism is arranged on the lower side in the hearth, the slag collector is arranged on the lower side of the hydraulic slagging deashing mechanism and surrounded by the lower portion of the hearth, the second water tank sleeves the slag collector, an air inlet of the cyclone separator is connected with the inside of the hearth, the lower portion of the hearth extends into water of the second water tank, the slag collector extends into water of the first water tank, and an ash dropping port of the cyclone separator extends into the water of the second water tank, so that a sealed water sealing environment is formed in the hearth. When pressure of gas in the hearth is instable or even deflagration occurs, part of air pressure released in a furnace passes screen holes in a fire grate in the hydraulic slagging deashing mechanism and enters the first water tank along the slag collector, another part of air pressure enters the second water tank along the ash dropping port of the cyclone separator, the goals of anti-explosion and pressure relief are achieved, and a device is protected from damage.
Owner:广东奥创新能源科技有限公司

Organosilicone composite powder for cosmetics and preparing method of organosilicone composite powder

The invention provides organosilicone composite powder for cosmetics. The organosilicone composite powder is characterized by being prepared from, hydrogen-containing silicone oil, an unsaturated compound, a catalyst, inorganic nanometer powder, organosilicone spherical resin powder and an organosilicone dispersing agent. The average particle size range of the composite powder is 3-100 microns, and the composite powder is of a multi-layer covering structure; the organosilicone spherical resin powder covers organosilicone spherical rubber powder, and the inorganic nanometer powder is uniformlydispersed in the organosilicone spherical rubber powder. The situation that nanometer powder is aggregated and influences the skin feeling and the ultraviolet-proof effect in the process of processingor using cosmetics can be avoided, and the situation that the nanometer powder is in contact with the skin to transfer free radicals to the skin can also be avoided; through an overall covering technology, the function of a nanometer physical sunscreen agent is improved; meanwhile, the adverse influence of the organosilicone composite powder on the skin is removed, and the organosilicone composite powder is mild and does not irritate the skin.
Owner:GUANGZHOU CRYSTAL SILICONES NEW MATERIALS CO LTD

Element-doped diamond-like carbon film modified battery negative electrode and preparation method and application thereof

The invention provides a battery negative electrode modified by an element-doped diamond-like carbon film. The battery negative electrode comprises a metal foil material and an element-doped diamond-like carbon film arranged on any surface of the metal foil material, and doped elements in the element-doped diamond-like carbon film are selected from at least one of F, N, P, Fe, Co, Ni and W; the metal foil material serves as a current collector and a negative electrode active material at the same time. The element-doped diamond-like carbon film is used for modifying the battery negative electrode, so that the problems that when a metal material is directly used as the battery negative electrode, the volume of the metal material is easy to expand, and the metal material is easy to react withelectrolyte at an interface to form an SEI film are solved, the stability of battery performance is improved, and the service life is prolonged.
Owner:SHENZHEN INST OF ADVANCED TECH

On-site recovery system for leaking waste liquid

The invention discloses an on-site recovery system for leaking waste liquid. The recovery system comprises a control system, a water liquid recovery pipeline assembly, an inert gas pipeline assembly, an inert gas source, a waste liquid recovery device and a waste liquid delivery pipeline assembly, wherein a plurality of recovery chambers are arranged in the waste liquid recovery device. The control system controls valves on pipelines to be opened and closed, so that the waste liquid enters one or more recovery chambers. When the liquid level in one recovery chamber reaches a set value, the waste liquid is collected to the empty recovery chambers. Meanwhile, the recovery chamber reaching the set liquid level is pressurized by inert gas, so that the waste liquid is delivered to set positions through a waste liquid delivery pipeline. According to the recovery system, the traditional mode that liquid is drained through a pump is replaced by the mode that the liquid is drained through pressurization by the inert gas, so that waste liquid leaking caused by fault maintenance of the pump is avoided effectively; moreover, waste gas volatilizing from the waste liquid in the waste liquid recovery device is effectively prevented from making contact with air through the inert gas, so that the danger of explosion is avoided.
Owner:LUXI CHEM GRP

Feed packaging technology

The invention discloses a feed packaging technology. The feed packaging technology includes the steps that to-be-packaged feed is transported to a feeding device, and a feed packaging bag is conveyedto the position below the feeding device; the feed is quantitatively loaded into the feed packaging bag; the packaged packaging bag is subjected to vacuum pumping; after vacuum pumping is completed, the packaging bag loaded with the feed is transported to a sealing mechanism to be subjected to electric heating sealing; the sealed packaging bag is conveyed to a cooling mechanism to be cooled; the outer surface of the packaging bag checked to be qualified is subjected to color printing of recognizable codes; and boxing is conducted on the feed packaging bag after color printing is completed. Bymeans of the feed packaging technology, the packaging bag is subjected to vacuum pumping and electric heating sealing, then cooling operation is conducted, the feed in the packaging bag can be effectively prevented from making contact with external air due to feed packaging, and therefore the nutritional value of the feed is maintained; and due to the fact that color printing of the recognizable codes is conducted on the outer surface of the packaging bag, a feed buyer can conduct tracing inquiring on relevant information of the feed.
Owner:TIANJIN QIUSHUIYUYUE CULTURAL COMM CO LTD

Battery negative electrode, preparation method thereof and secondary battery

The invention provides a battery negative electrode. The battery negative electrode comprises a metal base material, a cationic polymer layer combined on at least one surface of the metal base material, and a conductive layer combined on the surface, deviating from the metal base material, of the cationic polymer layer, wherein the surface of the conductive layer is negatively charged, and the conductive layer is combined with the cationic polymer layer through electrostatic interaction. The battery negative electrode can inhibit the volume expansion of the negative electrode metal base material, inhibit the pulverization of the negative electrode material and ensure the integrity of the negative electrode metal base material; meanwhile, the contact between the electrolyte and the negativeelectrode metal material can be effectively isolated, the negative electrode metal material is prevented from being eroded and reacted, and a more stable SEI film is favorably formed; the conductivelayer with conductivity is combined with the outermost layer, so that the conductivity can be further enhanced, and the cycling stability of the battery is improved.
Owner:SHENZHEN INST OF ADVANCED TECH

Preparation method of high-strength and anti-static fiber reinforced plastic material

The invention relates to the technical field of preparation of high polymer materials, in particular to a preparation method of a high-strength and anti-static fiber reinforced plastic material. The high-strength and anti-static fiber reinforced plastic material is prepared from modified epoxy resin as a matrix, glass fibers and modified wollastonite powder as reinforcing agents as well as phthalic anhydride, p-phenylenediamine and other components for assistance; cyanate ester resin and self-made silica sol are used for modifying bisphenol A epoxy resin, then silica sol is prepared with a tetraethoxysilane hydrolysis method, so that high-temperature resistance of the fiber reinforced plastic material is improved; besides, the self-made silica sol prepared from tetraethoxysilane and othersubstances has good electrical conductivity, static electricity on the surface of the fiber reinforced plastic material can be carried away, static removal effect is realized, and antistatic propertyof the fiber reinforced plastic material is improved; the glass fibers are added to the matrix continuously, the glass fibers are connected through staggered matrix molecular chains, accordingly, strength of the fiber reinforced plastic material is improved, and the fiber reinforced plastic material has broad application prospect.
Owner:江苏通威玻璃钢有限公司

Method for manufacturing high steel grade sulfur resistant drill pipe by laser cladding

The invention relates to a method for manufacturing a high steel grade sulfur-resistant drill pipe by laser cladding. In the method, in the condition of inert gas insulating air, nickel-base alloy anti-corrosion material is clad on the inner and outer pipe walls of an S135 steel grade drill pipe with conventional properties by laser, a nickel-base alloy anti-corrosion layer is clad on the non-thread area of a joint, threads are processed on the thread conical surface of the joint after a nickel-base alloy anti-corrosion layer is clad on the thread conical surface of the joint, and the end part of a pipe body is oppositely connected with the joint through friction welding; the output power of the laser is 3.5-4.5kW; laser beam spot size is not more than Phi 3mm; defocusing amount is 25-35mm; laser beam scanning line speed is 6.5-7.5mm / s; the inclined angle between the laser beam and the long axis direction of the pipe body is 40-50 degree; and the delivery rate of cladding wire material is 15-20g / s. The drilling pipe reaches the property of the S135 steel grade drilling pipe by the APE Spec standard. The cladding layer can effectively prevent a base body from contacting natural gasto improve the H2S-resistant stress corrosion cracking performance.
Owner:BC P INC CHINA NAT PETROLEUM CORP +1

Sleeve for static-load detection of bearing capacity of permanent pile foundation below bottom of foundation pit

The invention relates to a pile foundation detection sleeve used for eliminating pile side friction between a pile body from the natural ground to the top elevation of an engineering pile and a soil body before excavation of a building foundation pit. A sleeve for static-load detection of the bearing capacity of a permanent pile foundation below the bottom of a foundation pit comprises an inner sleeve body (1) and an outer sleeve body (2), wherein the upper end of the inner sleeve body and the upper end of the outer sleeve body are flush, a gap is formed between the inner sleeve body and the outer sleeve body, and the lower end of the inner sleeve body stretches out of the outer sleeve body by a certain length; and full-length longitudinal positioning steel bars (3) are evenly arranged onthe outer wall of the inner sleeve body. Waterstop belts (5) are arranged at the top end and the bottom end of the sleeve and fixed between the inner sleeve body and the outer sleeve body through transverse positioning steel bars (4). The gap between the inner sleeve body and the outer sleeve body is filled with lubricating grease (6). The sleeve for static-load detection of the bearing capacity of the permanent pile foundation below the bottom of the foundation pit has the advantages that the structural design is reasonable, the manufacturing technique is simple, operation is safe, the construction period is short, and the universality is high.
Owner:NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER +1

Testing device and testing method for spark voltage of electrolyte under non-critical state

The invention discloses a testing device for spark voltage of electrolyte under non-critical state. The testing device is provided with a 1000V-T-V tester, a beaker, high-voltage electrolyte and an electrode foil. The middle part of the electrode foil is wrapped with a plurality of layers of insulation tapes, and the insulation tapes separate the electrode foil into a suspending area and a liquid precipitating area. The operation steps are as follows: 1) the suspending area of the electrode foil is connected with the 1000V-T-V tester, and an ammeter and a voltmeter are connected between the electrode foil and the 1000V-T-V tester in series; 2) a proper amount of high-voltage electrolyte is injected into the beaker according to the height of the liquid precipitating area of the electrode foil; 3) the electrode foil is placed and suspended in the electrolyte, and half of the insulation tape is immersed in the electrolyte; and 4) a power supply is switched on to input current of 5mA-10mA, and the voltage of the sparks of the electrolyte is tested. The safe surge voltage of the product at high temperature can be ensured by the variation of the sparks of the electrolyte at each temperature section, and the stability of the product at high temperature is ensured.
Owner:SHENZHEN JIANGHAO ELECTRON

Waste steel processing method

The invention discloses a waste steel processing method. The waste steel processing method comprises the following processes that waste steel is soaked in alkali solution and connected with the positive pole of a power supply, an electrochemical reaction is conducted, and the waste steel is picked up until the surface coating of the waste steel is removed; the waste steel is rinsed with surfactantsolution, then rinsed with deionized water and dried; and the surface of the waste steel is coated with an LDPE film, and vacuummizing is conducted after coating until the LDPE film is tightly attached to the surface of the steel. The waste steel processing method can increase the recovery rate of resources and reduce the environmental pollution.
Owner:成都兴天诚绿色建筑科技有限公司

Full-automatic anti-oxidation soldering tin furnace for reducing exhaust emission treatment and special soldering flux

The invention relates to a full-automatic anti-oxidation soldering tin furnace for reducing exhaust emission treatment. The full-automatic anti-oxidation soldering tin furnace comprises a soldering tin furnace body (1), a tin furnace gas hood (2), a soldering flux tank (3) and a smoke pumping device (4). A pair of "nitrogen curtain" devices is arranged oppositely in the side direction of the widthdirection of the soldering fluid surface of a liner of the soldering tin furnace body (1). The invention further relates to a special soldering flux for the anti-oxidation soldering tin furnace. Rosin and rosin ester form modified rosin resin, and acrylate-modified butadiene resin, polyethylene, polyurethane and furfural resin form a film-forming enhancer. Octyphenol polyoxyethylene ether, succinic acid, anhydrous citric acid, benzoic acid and xylene are compounded to form an organic acid activator, and dimethylcarbinol, benzotriazole and hexamethylene diamine form a solvent. The full-automatic anti-oxidation soldering tin furnace for reducing exhaust emission treatment and the special soldering flux for the anti-oxidation soldering tin furnace can improve the workshop environment, prevent the oxidation of soldering tin in large quantity, improve the production efficiency, and save labor cost for an enterprise.
Owner:资兴市慧华电子有限公司

A kind of ink sludge harmless resource treatment process and system

The invention belongs to the technical field of environment protection, and particularly relates to a printing ink sludge harmless recycling treatment process and system. The characteristic that printing ink sludge contains a lot of carbon black and organic matter is fully taken into consideration, a high-temperature pyrolytic process is adopted in an airtight environment to completely pyrolyze the printing ink sludge after being dried, and generated high-temperature pyrolysis gas contains a lot of inflammable gas; a dedusting device is adopted to remove dust in the high-temperature pyrolysisgas, a condensing device is adopted to obtain bio-oil from gaseous oil and vapor which can be condensed and liquiefied in the pyrolysis gas with the help of an oil-water separation device, and purified fuel gas is obtained after gas which cannot be condensed is purified through a fuel gas purifying device; both the bio-oil and the purified fuel gas are obtained from the printing ink sludge and canbe reutilized for harmless treatment of the same to provide most energy for the drying process, and the short part is supplied by the outside. The treatment process realizes harmless recycling of theprinting ink sludge; waste is used to treat waste, so that the treatment process is economical and environment-friendly.
Owner:HUAZHONG UNIV OF SCI & TECH +1

Carbazole hole transport material as well as synthesis method and application thereof

PendingCN114805324AOptimize energy level arrangementImproved charge extraction and transfer performanceOrganic chemistrySolid-state devicesPerylene derivativesSolar battery
The invention belongs to the technical field of solar cells, and discloses a carbazole hole transport material and a synthesis method thereof, and an application of the carbazole hole transport material in a Cs2AgBiBr6 double-perovskite solar cell. According to the carbazole hole transport material disclosed by the invention, thiophene is used as a core structure, a carbazole derivative is used as a bridging group, and N-(9, 9-dimethyl-9H-3-fluorene)-4-methoxyaniline is used as a terminal group. The preparation method comprises the following steps: firstly, carrying out Suzuki coupling reaction on 2, 5-dibromothiophene and a compound 1 to obtain an intermediate 2; performing bromination reaction on the intermediate 2 to obtain an intermediate 3; then, the intermediate 3 and a reactant 4 are subjected to a Buchwald-Harwig coupling reaction, and the final product PTDCZ-TFNP is obtained. The PTDCZ-TFNP and Spiro-OMeTAD hole transport layer construct a double hole transport layer, the double hole transport layer is applied to the Cs2AgBiBr6 double perovskite solar cell, the energy level arrangement in the device is optimized, the charge extraction and transmission performance is improved, the loss of internal energy is avoided, and the efficiency and the stability of the cell are further greatly improved.
Owner:JIANGSU UNIV

Horizontal high voltage insulator protection device

A novel horizontal-type high-voltage insulator protection device belongs to the field of high-voltage circuit protection and is used for solving the problem of arc generation by a high-voltage line insulator and large power transmission loss due to rainwater. The protection device comprises an upper half protection mechanism, a conical protection cover, and multiple groups of rain shading assemblies, wherein the upper half protection mechanism is used for protecting an upper half part, the front end and the rear end of an insulator, the conical protection cover is arranged at the root of the rear end of the insulator, a wire of the insulator is arranged in the conical protection cover, and the multiple groups of rain shading assemblies are arranged at the lower half part of the insulator and are used for protecting the lower half part of the insulator. By the protection device, the insulator can be effectively prevented from being in contact with rainwater, two poles of the insulator are protected from being moistened by rain, a blue arc discharge phenomenon at the root of the high-voltage line insulator is avoided, a high-voltage line insulator is prevented from being broken down, and a device fault is prevented. The protection device has the advantages of simplicity in structure, time and labor saving and long service lifetime, and is simple and convenient to install, the insulation capability of an important suspension point of a high-voltage line is stronger, thus, the fault frequency of high-level voltage running circuit is effectively reduced, and the operation time under high strength is reduced.
Owner:STATE GRID CORP OF CHINA +1

Novel horizontal-type high-voltage insulator protection device

A novel horizontal-type high-voltage insulator protection device belongs to the field of high-voltage circuit protection and is used for solving the problem of arc generation by a high-voltage line insulator and large power transmission loss due to rainwater. The protection device comprises an upper half protection mechanism, a conical protection cover, and multiple groups of rain shading assemblies, wherein the upper half protection mechanism is used for protecting an upper half part, the front end and the rear end of an insulator, the conical protection cover is arranged at the root of the rear end of the insulator, a wire of the insulator is arranged in the conical protection cover, and the multiple groups of rain shading assemblies are arranged at the lower half part of the insulator and are used for protecting the lower half part of the insulator. By the protection device, the insulator can be effectively prevented from being in contact with rainwater, two poles of the insulator are protected from being moistened by rain, a blue arc discharge phenomenon at the root of the high-voltage line insulator is avoided, a high-voltage line insulator is prevented from being broken down, and a device fault is prevented. The protection device has the advantages of simplicity in structure, time and labor saving and long service lifetime, and is simple and convenient to install, the insulation capability of an important suspension point of a high-voltage line is stronger, thus, the fault frequency of high-level voltage running circuit is effectively reduced, and the operation time under high strength is reduced.
Owner:STATE GRID CORP OF CHINA +1

Testing device and testing method for spark voltage of electrolyte under non-critical state

The invention discloses a testing device for spark voltage of electrolyte under non-critical state. The testing device is provided with a 1000V-T-V tester, a beaker, high-voltage electrolyte and an electrode foil. The middle part of the electrode foil is wrapped with a plurality of layers of insulation tapes, and the insulation tapes separate the electrode foil into a suspending area and a liquidprecipitating area. The operation steps are as follows: 1) the suspending area of the electrode foil is connected with the 1000V-T-V tester, and an ammeter and a voltmeter are connected between the electrode foil and the 1000V-T-V tester in series; 2) a proper amount of high-voltage electrolyte is injected into the beaker according to the height of the liquid precipitating area of the electrode foil; 3) the electrode foil is placed and suspended in the electrolyte, and half of the insulation tape is immersed in the electrolyte; and 4) a power supply is switched on to input current of 5mA-10mA, and the voltage of the sparks of the electrolyte is tested. The safe surge voltage of the product at high temperature can be ensured by the variation of the sparks of the electrolyte at each temperature section, and the stability of the product at high temperature is ensured.
Owner:SHENZHEN JIANGHAO ELECTRON

Method for Improving Performance of Capacitive Ni-MH Battery

The invention belongs to the technical field of square nickel-hydrogen power batteries, and in particular relates to a method for improving the performance of a capacitive nickel-hydrogen battery. The positive pole piece of the capacitive nickel-metal hydride battery is made of a sulfonated diaphragm, and a ceramic diaphragm is stacked between the positive pole piece and the negative pole piece of the bag; the electrolyte is composed of an alkaline solution and an additive, and the additive is cesium hydroxide. The positive pole piece of the present invention is wrapped in a bag made of sulfonated diaphragm, and the powder falls in the bag to effectively isolate the contact of the positive and negative electrodes, so as to better maintain the electrochemical performance of the battery. The Ni-MH power battery adopts the bag-making double-layer diaphragm lamination method to reduce the requirements for the sulfonated diaphragm. The thickness of the sulfonated diaphragm is 0.12-0.15mm, and the performance requirements such as alkali absorption rate and tensile strength are also reduced. It is completely possible to use domestic diaphragms. , greatly reducing the cost. The method improves the electrochemical performance of the battery, reduces the production cost, has a wider range of battery temperature, and effectively improves the safety of the battery such as furnace heat and acupuncture.
Owner:淄博国利新电源科技有限公司
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