26results about How to "Abundant resources" patented technology

This invention belongs to the field of hard carbon technology, specifically relating to a bamboo-based and lignin-based hard carbon composite material, its preparation method, and its applications. The process involves pretreating raw materials to obtain pretreated material; pretreating the pretreated material with an acidic oxidant to obtain acidic oxidant pretreated material; pre-oxidizing the acidic oxidant pretreated material to obtain pre-oxidized material; pre-carbonizing the pre-oxidized material under a protective atmosphere to obtain pre-carbonized material; pulverizing the pre-carbonized material to obtain pulverized material; acid washing followed by water washing to obtain purified material; soaking the purified material in acid, filtering, and drying to obtain soaked material; mixing the soaked material with a modifier, and high-temperature coating and carbonizing under a protective atmosphere to obtain bamboo-based coated hard carbon or lignin-based coated hard carbon. Mixing the two types of hard carbon and carbon coating yields a bamboo-based and lignin-based hard carbon composite material, which is used in negative electrode sheets and batteries. When applied to batteries, the hard carbon composite material of this invention can improve battery energy density.

This invention discloses a porous carbon-supported copper catalyst, its preparation method, and its application, belonging to the field of catalyst preparation technology. The invention uses three-dimensional interconnected ordered porous carbon (NCP) with a large-pore structure as a support, tetraphenylporphyrin copper(II) and tetraphenylporphyrin as nitrogen and copper sources, and KOH or NaOH as activators. An NCP precursor adsorbed with tetraphenylporphyrin copper(II), tetraphenylporphyrin, and an alkaline component is obtained through a two-step adsorption process. This precursor is then pyrolyzed at 600-900℃ under nitrogen protection, cooled to room temperature, and washed with water to obtain the porous carbon-supported copper catalyst (NCP@NC-Cu). This catalyst retains a three-dimensional interconnected porous structure, with the active component (copper species) mainly distributed within the pores of the NCP support, and possesses a large specific surface area and abundant nitrogen. The catalyst was applied to the N-formylation reaction of amines with CO2 and H2 to prepare formamide compounds, exhibiting excellent catalytic activity, recyclability, and good substrate versatility, showing promising application prospects.

The application belongs to the technical field of electrochemical energy storage technology, and particularly relates to a lithium ion battery and a preparation method thereof. The lithium ion battery comprises a positive electrode, a negative electrode, a separator and a non-aqueous electrolyte; the positive electrode comprises a positive electrode active material lithium iron phosphate; and the negative electrode comprises a negative electrode active material polyacrylonitrile sulfide. The positive electrode of the application adopts the extremely stable olivine-type LiFePO4, and has good thermal stability and is not easy to release oxygen at overcharge or high temperature; the negative electrode adopts SPAN, and the sulfur element exists in the form of a covalent bond, thereby avoiding the shuttling of soluble polysulfides in traditional lithium-sulfur batteries and the safety risks caused thereby, and the whole battery system does not use a metal lithium negative electrode, thereby fundamentally eliminating the short circuit hidden danger caused by lithium dendrite growth. In addition, through unique matching of the positive and negative electrode materials, a working voltage of about 1.2V is successfully achieved, thereby filling the market gap of high-performance 1.2V rechargeable lithium ion batteries.

The present application relates to the technical field of grain and food processing, and discloses a raw grain treatment method for effectively preventing the discoloration of wheat flour and its flour products, comprising the following steps: S1: after the wheat is cleaned, the wheat is placed above an ozone aqueous solution at 0 DEG C and subjected to heating treatment; S2: the wheat is taken out and rapidly cooled in an ice water bath, and then the wheat is taken out and transferred into a sealed container while ozone gas is introduced; S3: the wheat is taken out and subjected to vibration water treatment, and then the wheat is put into a warehouse for moisture conditioning; and S4: after the moisture requirement is reached, the wheat is ground into flour, weighed and packaged. Through the processes of heating treatment, rapid cooling treatment and moisture conditioning, the ozone inactivation effect on the inside of the wheat is effectively improved, and the inhibition effect on the discoloration of the wheat flour and its flour products is significantly improved; the selected substances meet the requirements of food safety laws and regulations, are non-toxic, harmless and residue-free, and are rich in resources and low in cost.

The invention discloses a method for electro-catalytically synthesizing 6-aminocapronitrile by using a coated electrode, which comprises the following steps: taking cyclohexanone and ammonium chloride as electrolyte, adopting a three-electrode system, and carrying out electro-catalytically synthesizing 6-aminocapronitrile in a RHE potential range of-0.6 V vs to-1.1 V vs at room temperature, wherein the catalytic electrode is formed by coating a catalyst on a substrate, the catalyst is CoOx / CuOx, CoOx or a mixture of CoOx and CuOx, and the substrate is foamy copper subjected to acid treatment and roasting; in the catalytic reaction process, cyclohexanone is subjected to hydrogenation reduction through a cathode to generate cyclohexanol and reacts with NH4 < + > to generate imine, and then the imine is further subjected to hydrogenation reduction on the cathode to generate 6-aminohexanol; the generated 6-aminohexanol is oxidized into 6-aminohexanal on the surface of the anode, the 6-aminohexanal reacts with NH4 < + > to generate 6-aminohexanamide, and the 6-aminohexanamide is further dehydrated to generate 6-aminocapronitrile. The preparation process is simple, easy to control and environmentally friendly, the raw materials are cheap and rich in resources, and the problems that traditional 6-aminocapronitrile synthesis is high in energy consumption, low in selectivity and dependent on precious metal catalysts are effectively solved.

The application discloses a W and Mo modified Co-based catalyst and a preparation method and application thereof, and belongs to the technical field of hydrogen evolution materials. 1‑x -W x -Mo y -B, wherein x is 0.05-0.5, and y is 0.025-0.2.The W and Mo transition metal doping can effectively improve the surface area of the catalyst, avoid excessive aggregation of the catalyst particles, and make as many catalytic active sites of the catalyst as possible exposed to a reaction solution, so that the obtained quaternary catalyst has high catalytic activity and good cycle stability.

The application discloses a red clay phosphorus adsorbent, which comprises 115-145 parts of red clay particles, 20-30 parts of diatomite, 10-15 parts of glass powder and 3-10 parts of marble powder; and the preparation process comprises the following steps: preparing the red clay particles, weighing the raw materials, crushing, calcining and mixing. The red clay has good adsorption performance on phosphorus, is rich in resources, has a wide distribution range and low cost, and is a natural environment-friendly material. When the red clay is put into sewage, no secondary pollution and other problems are caused, so the red clay has great development potential in the aspect of adsorbing phosphorus.

This invention discloses a method for preparing a flame-retardant gel-like symmetrical electrolyte membrane. First, AHF-5MOF material is grown in situ on a glass fiber substrate using a high-temperature spraying method to obtain a composite battery modified separator. Then, this membrane is placed in a polymer precursor solution incorporating a flame retardant, and undergoes a dual polymerization process of in-situ ultraviolet light polymerization and in-situ thermal polymerization to ultimately form a flame-retardant gel-like symmetrical electrolyte membrane. This invention improves the compatibility between the electrolyte and the separator, reduces the risk of electrolyte leakage and flammability, and enhances the safety performance of lithium batteries. It effectively solves the problem of uneven lithium-ion transport, and the assembled lithium iron phosphate battery exhibits a discharge specific capacity of 150 mAh g at a rated capacitance of 0.1C. ‑1 The capacity retention is close to 100%, and the discharge capacity after 100 cycles at a 1C current density is 117 mAh g. ‑1 Its coulomb efficiency is 99%, demonstrating good cycle stability.

The invention discloses a lithium ion halide solid electrolyte material as well as a preparation method and application thereof. The chemical general formula of a halide solid electrolyte is Li < x > MC < 4-y > F < x + y >, wherein 0 < x < = 2; x is greater than or equal to-x and less than or equal to y, and M is selected from one or two of transition metal elements Hf and Zr. The invention discloses a preparation method of a lithium ion halide solid electrolyte material. The halide solid electrolyte is used for preparing a solid electrolyte or a composite positive electrode of a lithium ion all-solid-state battery. By introducing F, on one hand, non-crystallization of the electrolyte is promoted, which is a reason for remarkably improving the conductivity of the electrolyte, and on the other hand, as the electronegativity of F is large, the high-voltage stability of the electrolyte is enhanced, so that the lithium ion halide solid electrolyte provided by the invention can be used for improving the conductivity of the electrolyte. And in a solid-state battery system, the material has relatively high ion conduction capability and good high-voltage stability and mechanical stability.

This invention belongs to the field of high-voltage connecting aluminum busbar technology, and specifically relates to a dual-conductor, dual-insulation high-voltage connecting aluminum busbar structure for electric vehicles. It includes: two sets of flat aluminum conductors arranged parallel to each other vertically; a high-temperature resistant insulating tape wrapped around the flat aluminum conductors, allowing the two sets of flat aluminum conductors to form independent positive and negative connecting wires respectively; and an outer insulating layer wrapped around the entire outer side of the positive and negative connecting wires. The manufacturing process of the high-voltage connecting aluminum busbar structure includes the following steps: aluminum busbar extrusion, insulating tape winding, outer insulating layer extrusion, cutting, 3D bending, peeling, conductor punching, labeling, and packaging. The flattened design of this invention significantly reduces vertical space occupation, making it suitable for wiring in narrow areas such as the top and side walls of the battery pack, improving the overall vehicle space utilization. Furthermore, the production process is simplified from 17 steps to 9 steps, reducing carbon emissions and aligning with green manufacturing trends.

The invention discloses a preparation method and application of a cobalt phosphide electrocatalyst with an adjustable interface water-hydrogen bond network, and belongs to the field of electrocatalytic materials. Cobalt nitrate, variable valence metal chlorine salt and urea are used as raw materials to synthesize a hydroxide precursor, and after simple low-temperature phosphating reaction treatment, in-situ oxidation reconstruction is carried out in the water electrolysis oxygen evolution reaction process to prepare the cobalt hydroxide. The preparation method disclosed by the invention has the advantages of simplicity in operation, high efficiency, environmental friendliness, strong controllability, low cost and the like; and the prepared cobalt phosphide oxygen evolution electrocatalyst has the advantages of adjustability of an interface water-hydrogen bond network, high stability, excellent oxygen evolution activity and the like.

The application belongs to the field of sodium ion battery negative electrode materials, and particularly relates to a method for preparing hard carbon material from coal and application thereof. The hard carbon material is prepared by using high-reserve coal as raw material and adopting a low-cost process. The hard carbon material obtained through special gas-phase carbon deposition process treatment has the characteristics of high initial coulombic efficiency, high reversible specific capacity and the like. The material is used as a negative electrode and applied to a sodium ion battery, so that the cost of the sodium ion battery is reduced, the energy density of the sodium ion battery is improved, and the full battery shows excellent performance.

This invention discloses a method for preparing a composite polyanionic sodium-ion battery cathode material, relating to the field of sodium-ion battery cathode material technology, including the following steps: S1, preparing in-situ doped ferrous sulfate; S2, preparing a graphene-based dispersion; S3, preparing a modified ferrous sulfate solution; S4, preparing an NFPP precursor; S5, preparing an NFPP cathode material. This invention uses stainless steel pickling waste liquid as raw material, first reducing it by adding elemental iron, then dispersing it in a graphene-based dispersion containing tannic acid to obtain carbon-coated modified ferrous sulfate; preparing the NFPP precursor by co-precipitation; and finally sintering to obtain a composite polyanionic sodium-ion battery cathode material with high compaction density and better electrochemical performance, thus improving the problems of poor conductivity, low compaction, low capacity, low rate capability, and high cost of existing NFPP cathode materials.

The application discloses an organic fertilizer suitable for tea yield increase and insect killing and a preparation method thereof, and relates to the technical field of organic fertilizer and microbial fertilizer manufacturing. The organic fertilizer comprises straw, chicken manure, Tibetan wood incense, worry grass, mouse grass, black bone vine, tannic acid-rice protein enzymatic hydrolysate, sodium laurate modified diatomite, sodium humate, urea, compound microbial bacteria and water. The compound microbial bacteria are composed of Candida utilis and intercalary neura. The compound microbial bacteria in the organic fertilizer are helpful to accelerating the fermentation and decomposition of the straw, chicken manure, sodium humate, urea and traditional Chinese medicine plants, promoting the conversion of macromolecular substances into small-molecule active ingredients, and then assisting with the tannic acid-rice protein enzymatic hydrolysate and sodium laurate modified diatomite, so that the yield of tea tree planting is improved through reasonable proportioning of nutritional ingredients.

This invention discloses the application of a cork activated carbon capacitive deionization electrode in brackish water desalination, belonging to the field of brackish water desalination technology. Cork activated carbon or modified cork activated carbon is assembled into a CDI system as the electrode sheet for brackish water desalination. This electrode material features ultra-thin carbon nanosheet walls, high specific surface area, a well-defined hierarchical porous structure, and abundant oxygen-containing functional groups, providing a good pore structure and surface properties basis for the adsorption of sodium and chloride ions in brackish water. The desalination capacity of this capacitive deionization electrode material reaches 10.28 mg / g, demonstrating great application potential in the field of capacitive deionization.

This invention relates to a manganese-cerium composite oxide catalyst, its preparation method, and its application in the catalytic oxidation of tetrahydrofuran to γ-butyrolactone, belonging to the field of hydrogen energy utilization and chemical hydrogen storage technology. Using a manganese-cerium composite oxide catalyst (manganese-based oxide) as the catalyst, tetrahydrofuran is selectively oxidized to γ-butyrolactone in the presence of an oxidant. It can be used for the resource-based conversion of byproduct tetrahydrofuran in a γ-butyrolactone / 1,4-butanediol liquid organic hydrogen storage cycle system, achieving closed-loop recycling of materials. Compared with existing technologies, the manganese-based catalytic system of this invention has advantages such as wide availability of raw materials, low cost, mild reaction conditions, and high product selectivity. It can effectively reduce the adverse effects of tetrahydrofuran accumulation on the system's economy during multiple hydrogen storage cycles, and has good prospects for industrial application.

This invention discloses a Ni-Ru-U composite MgH2 hydrogen storage alloy, prepared by ball milling Ni-Ru-U catalyst and MgH2 with tetrahydrofuran as a grinding aid. The phase structure comprises MgH2, Ni(OH)2, NiO, Ni2O3, and NiO2, and the particle size of the hydrogen storage alloy is 300-800 nm. The Ni-Ru-U catalyst is prepared by reacting RuCl3, NiCl2, block organic compound polyethylene glycol 200, and urea. The preparation method includes the following steps: 1. Preparation of the Ni-Ru-U catalyst; 2. Preparation of the Ni-Ru-U composite MgH2 hydrogen storage alloy. When used as a hydrogen storage alloy, the hydrogen absorption capacity reaches 6.70-6.90 wt.% at a hydrogen absorption time of 1 min; and the hydrogen release capacity reaches 6.20-6.36 wt.% at a hydrogen release time of 20 min.

The present application relates to the technical field of traditional Chinese medicine extraction, and discloses a water chestnut peel extract and application thereof in preparation of a medicine for treating chloasma; during preparation of the extract, low-temperature extraction is carried out by using an acid-alcohol mixed solvent, and enrichment is carried out by using macroporous resin purification, so that the water chestnut peel extract with high purity of active ingredients and complete retention can be prepared, the utilization rate of active ingredients in the water chestnut peel is effectively improved, and resource waste is reduced. The water chestnut peel extract provided by the present application can effectively inhibit tyrosinase activity, and shows excellent treatment potential for chloasma, a pigment deposition disease, thereby providing a solution to the current situation that chloasma is difficult to treat.

The invention discloses application of fiveleaf gynostemma herb polysaccharide in preparation of medicine for treating ulcerative colitis, the main structure of the fiveleaf gynostemma herb polysaccharide is shown in the specification, research proves that the prepared fiveleaf gynostemma herb polysaccharide has an excellent treatment effect on ulcerative colitis for the first time, activation of NLRP3 inflammasome is inhibited by activating an NRF2 anti-oxidation pathway, and the curative effect of the fiveleaf gynostemma herb polysaccharide on ulcerative colitis is improved. The bacterial flora abundance of bacteroides and thick-walled mycophylum is increased, and the bacterial flora abundance of proteobacteria is reduced, so that the ROS level is reduced, the inflammatory response is reduced, and the intestinal mucosal barrier repair of DSS mice is promoted.

This application belongs to the field of electrochemical energy storage technology, specifically relating to a lithium-ion battery and its preparation method. The lithium-ion battery includes a positive electrode, a negative electrode, a separator, and a non-aqueous electrolyte; the positive electrode includes lithium iron phosphate as the positive active material; the negative electrode includes sulfided polyacrylonitrile as the negative active material. The positive electrode of this invention uses olivine-type LiFePO4, which has an extremely stable structure, good thermal stability, and is not prone to releasing oxygen under overcharging or high temperatures; the negative electrode uses SPAN, where sulfur exists in a covalent bond form, avoiding the shuttle of soluble polysulfides and the resulting safety risks in traditional lithium-sulfur batteries. The entire battery system does not use a metallic lithium negative electrode, fundamentally eliminating the short-circuit hazard caused by lithium dendrite growth. Furthermore, through unique matching of positive and negative electrode materials, a working voltage of approximately 1.2V has been successfully achieved, filling the market gap for high-performance 1.2V rechargeable lithium-ion batteries.

This invention discloses a method for preparing a cobalt phosphide electrocatalyst with a tunable interfacial water hydrogen bond network and its application, belonging to the field of electrocatalytic materials. The invention uses cobalt nitrate, variable-valence metal chloride salts, and urea as raw materials to synthesize a hydroxide precursor, which is then subjected to a simple low-temperature phosphating reaction followed by in-situ oxidation and reconstruction during the oxygen evolution reaction of water electrolysis. The preparation method of this invention has advantages such as simple operation, high efficiency, environmental friendliness, strong controllability, and low cost. The prepared cobalt phosphide oxygen evolution electrocatalyst possesses advantages such as a tunable interfacial water hydrogen bond network, high stability, and excellent oxygen evolution activity.

The invention relates to the technical field of negative electrode materials, in particular to a binary magnesium alloy negative electrode material and a preparation method and application thereof, the binary magnesium alloy negative electrode material comprises Mg and Dy, and the content of Dy is that the total content of inevitable impurity elements does not exceed the total content of the inevitable impurity elements, and the balance is Mg. The preparation method comprises the following steps: weighing raw materials according to the component proportion of the binary magnesium alloy negative electrode material, wherein the raw materials comprise pure Mg and Mg-Dy intermediate alloys; the weighed raw materials are smelted and poured, and cast ingots are obtained after air cooling solidification; and the cast ingot is sequentially subjected to solution treatment, extrusion treatment, rolling treatment and annealing treatment, and the binary magnesium alloy negative electrode material is obtained. While low cost and environmental friendliness are maintained, excellent cycling stability and low overpotential are achieved.

The invention discloses a video call recording optimization method and system, equipment and a storage medium, and belongs to the field of audio and video communication, in order to solve the problems that in the existing video call service, the CPU load of a system is too high and concurrent video call service cannot be provided due to video coding and decoding when the service is recorded, and discloses a video call recording optimization method and system, equipment and a storage medium. The method comprises the following steps: establishing a two-way call between a calling terminal and a called terminal; the server starts a video call recording service; the calling terminal and the called terminal send respective audio and video streams to the opposite terminals; and the server records the audio and video file of the calling terminal and the audio and video file of the called terminal. According to the invention, the problem of CPU performance overhead caused by video coding and decoding is solved, the consumption of system performance is greatly reduced, unnecessary hardware resources are reduced, video concurrent services are better supported, practical problems are solved by using relatively small resources, and the cost is reduced and the efficiency is improved.

The invention discloses an aurone-lignan glycoside compound separated from Tibetan monascus and application of the aurone-lignan glycoside compound in resisting non-alcoholic fatty liver. The structure of the aurone-lignan glycoside compound is shown as a formula I or pharmaceutically acceptable salt of the aurone-lignan glycoside compound. The compound can significantly reduce the levels of ALP, AST, ALT, TG, TC and LDL-C in serum of a non-alcoholic fatty liver model golden hamster, can significantly increase the levels of APN and HDL-C, and has significant anti-non-alcoholic fatty liver activity. The invention discloses an application of the neoaurone and lignan glycoside compound in preparation of a medicine for reducing blood fat. The invention discloses an application of the neoaurone-lignan glycoside compound in preparation of a medicine for resisting the non-alcoholic fatty liver disease, and further discloses an application of the neoaurone-lignan glycoside compound in preparation of a medicine for resisting the non-alcoholic fatty liver disease.

The invention discloses a high-transmissivity amorphous zinc nitride film and a preparation method thereof, and relates to the technical field of semiconductor film materials.The preparation method comprises the following steps that firstly, a quartz substrate is selected as a substrate, metal zinc is selected as a sputtering target material, the distance between the substrate and the target material is adjusted, and a vacuum cavity cover is covered; vacuumizing, heating the substrate, introducing nitrogen and argon into a vacuum cavity, and pre-sputtering the metal zinc in a radio frequency magnetron sputtering mode without opening a target baffle; opening a target baffle, performing radio frequency magnetron sputtering on the pre-sputtered metal zinc, and depositing a zinc nitride film on the substrate; and finally, carrying out cooling treatment to obtain the amorphous zinc nitride film. According to the high-transmissivity amorphous zinc nitride film and the preparation method thereof, key parameters such as sputtering air pressure are controlled within a specific range, the growth kinetics of the film is effectively regulated and controlled, and the average transmissivity of the prepared amorphous zinc nitride film in a visible-near infrared light region is as high as 73%-86.6%.

The invention discloses a seabed concrete ball battery, and belongs to the technical field of ocean energy and energy storage. The battery comprises N energy storage power generation units which are connected in parallel, wherein each unit consists of a hollow concrete ball body, a concrete base, a water pump, a generator set, a valve system and a controller. The concrete ball body serves as a rigid negative pressure container, and vacuum energy storage is formed by emptying internal seawater; the concrete base is fixed to the seabed, all power and control equipment is contained in the concrete base, and a separated structure that the ball stores energy and the equipment is arranged in the base is achieved. Through the complete pressure-bearing design of the ball body and built-in protection of equipment, the structural safety and the equipment reliability are greatly improved; modularized and detachable connection is adopted, so that manufacturing, deployment and maintenance are facilitated; energy storage and power generation are achieved only through seawater entering and exiting, pollution is avoided, efficiency is high, and the device can be deployed in deep sea in a large-scale mode, is not limited by geographical conditions and meets the large-scale and long-time energy storage requirements of coastal and island power grids.