10results about How to "Short preparation time" patented technology

This invention discloses a method for preparing interface-reinforced niobium pentoxide / porous graphene and its energy storage application. The method involves adding porous graphene oxide during the solvothermal synthesis of a niobium pentoxide precursor to obtain a composite precursor of niobium pentoxide and porous graphene oxide. This precursor is then annealed under a protective atmosphere to obtain the interface-reinforced niobium pentoxide / porous graphene composite material. The composite material obtained by this invention exhibits excellent performance as an electrochemical energy storage material. Furthermore, the preparation method of this invention is simple to operate, requires no complex equipment, and is easily controlled, making it suitable for mass production.

The application discloses a kind of solid electrolyte material and its preparation method, positive pole piece, solid electrolyte film and full solid battery, it is related to solid battery field;Method comprises: lithium lanthanum zirconium oxygen base solid electrolyte is dispersed in first solvent, and electrolyte dispersion liquid is made;Acidic pH regulator is added to the electrolyte dispersion liquid, and the pH of the electrolyte dispersion liquid is adjusted to 7~8, and neutral dispersion liquid is obtained;Orthosilicate is added to the neutral dispersion liquid and mixed to obtain dispersion solution;During mixing process, polysiloxane is formed by the reaction of orthosilicate, and polysiloxane is coated on the surface of lithium lanthanum zirconium oxygen base solid electrolyte;The dispersion solution is subjected to electrolyte separation and drying treatment to obtain a solid electrolyte material.The application aims to improve the surface properties of lithium lanthanum zirconium oxygen base solid electrolyte, so that it can build good interface contact with other inorganic materials.

The application relates to the technical field of ultra-high-temperature ceramic materials, in particular to a preparation method of an ultra-high-temperature ceramic material, which comprises the following steps: uniformly mixing silicon-yttrium alloy powder I, zirconium boride and graphite to obtain initial powder; under an inert atmosphere, performing ball milling treatment on the initial powder, then performing forming processing to prepare ceramic green body material; and performing reaction melt impregnation on the ceramic green body material and silicon-yttrium alloy powder II at 1200-1500 DEG C to obtain ZrB2-YSi2-SiC ultra-high-temperature ceramic material. The application adopts the method of reaction melt impregnation to prepare high-density ultra-high-temperature ceramic material; under a high-temperature service environment, the binary-doped modified ZrB2 ceramic forms a dense oxide layer under high-temperature oxidation conditions, so as to improve the anti-oxidation corrosion performance of the material.

This invention belongs to the field of nanomaterial preparation technology, specifically disclosing a method for preparing ultrasmall selenium nanomaterials using physical vapor deposition (PVD) and its applications. This method involves placing selenium powder and sodium chloride in a tube furnace and performing gradient temperature-controlled vapor deposition under an inert gas environment to prepare ultrasmall selenium nanomaterials with a particle size of 2-5 nm. Compared to traditional solution methods, this process avoids the use of organic solvents, and post-processing only requires dissolution and centrifugation purification. It has advantages such as large-scale production capability, high product purity, and short preparation time (30 min), making it suitable for large-scale production. The ultrasmall selenium nanomaterials prepared by this invention have significant application potential in sodium-ion batteries, optoelectronic devices, immunotherapy, and selenium fertilizers (quantum dot selenium bio-fortifiers).

The present application relates to the technical field of photocatalytic treatment of antibiotics in wastewater, and particularly relates to a composite photocatalytic material, a preparation method and application thereof. Melamine, palygorskite and water are mixed to obtain a mixed solution; the mixed solution is mixed with melamine foam, and after the melamine foam absorbs the mixed solution, drying is performed to obtain a precursor; the precursor is calcined to obtain the composite photocatalytic material. The composite photocatalytic material prepared by the present application can effectively improve the performance of the material in adsorbing antibiotics in water, enhance the photocatalytic degradation activity, and is easy to recycle, thus having a broad development prospect.

This invention belongs to the field of organic chemical technology and relates to an apparatus and method for preparing N,N-dibutylformamide. The apparatus includes a first distillation column, a second distillation column, a third distillation column, and connecting pipelines. Using the apparatus and method of this invention, high-purity N,N-dibutylformamide can be prepared safely and stably with high reaction efficiency and production capacity, short preparation time, low methyl formate loss, minimal equipment wear, low energy consumption, and high safety and stability.

The invention relates to the technical field of microorganisms, and discloses a fungus, application thereof and a method for preparing resveratrol. The preservation number of the fungus (Penicillium georgiense) HZ01 is CDMCC (China General Microbiological Culture Collection Center) No: 67695. The fungus (Penicillium georgiense) HZ01 can generate high-activity beta-glucosidase, so that polygonum cuspidatum can be efficiently converted into resveratrol, the preparation time is short, the conversion rate of polydatin is high, and the yield and yield of resveratrol are higher; meanwhile, the preparation conditions are mild, safe, reliable and environment-friendly, and large-scale preparation is easy.

The application discloses a lithium battery diaphragm with a warning function, which is a sandwich structure of three or more layers of nanofibers, and comprises a pure film and a conductive composite layer with a warning function in the middle. The application also includes adding functional materials to the lithium battery diaphragm with a warning function, so that the diaphragm has a composite function other than the warning function, for example, adding a flame-retardant coating to make the diaphragm have a flame-retardant function in addition to the warning function. The lithium battery diaphragm provided by the application not only has the characteristics of a natural three-dimensional nanometer network structure, good thermal stability, high liquid absorption rate, high ion conductivity and the like compared with traditional commercial polyolefin diaphragms, but also has unique warning and optional flame-retardant functions, which greatly ensures the safety of lithium batteries.

The invention discloses casting equipment for navigation lifesaving equipment, and belongs to the technical field of lifesaving casting devices, the casting equipment comprises a casting device, a plurality of traction devices and lifesaving equipment, the casting device is provided with a single group of independent casting cavity channels, and the traction devices and the lifesaving equipment are both provided with a plurality of groups of independent casting cavity channels. Each group of traction devices is matched with a single group of lifesaving equipment in a one-to-one correspondence manner, and the plurality of groups of traction devices can be sequentially switched to be correspondingly matched with the casting station of the casting device. A single cavity channel is matched with a plurality of groups of switchable traction devices, so that continuous casting operation and independent traction matching of each lifesaving device are realized; the rope releasing speed is controlled in a closed-loop mode through weight data, the buffering allowance is reserved in the whole process to pull the rope, casting reverse damping is eliminated, the problems that existing equipment is low in rescue effectiveness, limited in casting performance and low in response speed are solved, and the maritime emergency rescue reliability is greatly improved.

The present application relates to a preparation method of p-allyloxy benzene sulfonic acid lithium, wherein sodium p-allyloxy benzene sulfonate is prepared into the p-allyloxy benzene sulfonic acid lithium under the action of strong acidic cation exchange resin and lithium salt. The raw material used in the preparation method of the present application is simple and easy to obtain, the preparation time is short, the side reaction is less, the post-treatment is simple, the yield and product purity are high. The p-allyloxy benzene sulfonic acid lithium (SAPE-Li) prepared by the present application can be used in the field of lithium battery electrolyte additives.