17results about How to "Increase activation energy" patented technology

The invention discloses a system and method for improving the leaching rate of low-grade scheelite, and relates to the technical field of mineral recycling. S2, pulping; s2, pulping; s4, crushing and activating by a vertical mill; s5, pressure cooking and leaching; s6, carrying out primary solid-liquid separation; s7, enrichment is carried out; and S8, carrying out secondary solid-liquid separation. According to the technical scheme of cooperation of the rotational flow and the vertical mill in the system, heavy and light phases are separated, the efficiency of the vertical mill is improved, the activation energy of ore pulp obtained after ore grinding is increased, the leaching reaction is facilitated, the yield of the whole process is improved, valuable metal enrichment of low-grade raw ore can be achieved, consumption of raw and auxiliary materials is low, multiple times of solid-liquid separation and enrichment are achieved, and the comprehensive utilization rate of the raw ore is improved. Enriched mineral powder and return water are returned to the front section for recycling, so that energy conservation and emission reduction are realized.

The invention relates to the technical field of corrosion inhibitors, and discloses a high-temperature-resistant corrosion inhibitor and a preparation method thereof.The high-temperature-resistant corrosion inhibitor is obtained by adding boric acid modified chitosan, a triazinyl corrosion inhibitor and deionized water into a reactor and stirring. Lone pair electrons provided by a large number of free hydroxyl groups in chitosan in the boric acid modified chitosan can be well adsorbed with metal, so that the metal is prevented from being eroded by a corrosive medium; the boron element forms a protective oxidation film or adsorption film on the metal surface, so that the corrosion process is inhibited; and the ferrocene group in the corrosion inhibitor also has a relatively good corrosion inhibition effect. A quaternary ammonium salt group and a sulfonic acid group in the triazinyl corrosion inhibitor can prevent further corrosion of metal.

The invention discloses an MOF (Metal Organic Framework) derived NiS / ZnIn2S4 composite material and a preparation method and application thereof, the MOF derived NiS / ZnIn2S4 composite material is a rope grape-shaped material which is formed by compounding spiral ZnIn2S4 and NiS and has a coupling heterogeneous interface, NiS is prepared by taking Ni-MOF as a precursor through vulcanization and calcination; the spiral ZnIn2S4 is obtained by taking polyvinylpyrrolidone as a guiding agent and serine as a template through hydrothermal synthesis. The Ni-MOF of a microsphere structure is adopted as a precursor, richer active sites are provided for NiS, the hydrogen evolution rate is increased, a heterogeneous interface of a three-dimensional material constructed between NiS and ZnIn2S4 changes the transmission path of electrons, and the structure can remarkably enhance the photocatalytic hydrogen evolution reaction efficiency.

The present invention relates to: a solid electrolyte having satisfactory moisture stability and ion conductivity through activation energy improvement; and a solid-state battery comprising same. The present invention provides a solid electrolyte for a solid-state battery, comprising an oxysulfide-based compound represented by the following chemical formula. [Chemical formula] LiaMbPcSdOeXf (5≤a≤7, 0<b≤1, 0≤ c<1, 2.5≤d≤5, 0<e≤2, 1<f≤1.5, M is at least one selected from the group consisting of Si, Ti, Ta, Nb, As, Sb, Sn and Al, and X is at least one selected from the group consisting of Cl, Br, I and F.)

The invention discloses an X8R type high-reliability ceramic dielectric material with a double-shell design and a preparation method and application thereof, and belongs to the technical field of electronic ceramic materials. According to the ceramic dielectric material, barium titanate is used as a main body material, at least one of Y2O3 and Dy2O3 is used as a first dopant, and at least one of MgO and MnO2 is used as a second dopant. The preparation method comprises the following steps: pre-sintering BaTiO3 and a first doping agent at a high temperature; and then adding a second doping agent for secondary mixing and high-temperature sintering. According to the method, a double-shell structure of a tetragonal phase crystal nucleus, a rare earth-rich inner shell layer and an Mg / Mn-rich outer shell layer is constructed in ceramic crystal grains. The high dielectric property of the BaTiO3 crystal nucleus is reserved, the rare earth-rich inner shell layer is used for inhibiting oxygen vacancy long-range migration, the Mg / Mn-rich outer shell layer is used for optimizing temperature stability, synergistic improvement of the high dielectric constant (epsilon r gt, 2200), X8R wide-temperature stability (delta C / C 25 DEG C is smaller than or equal to + / -15%, minus 55-150 DEG C) and high breakdown field strength (larger than or equal to 6.7 kV / mm) is achieved, and the high-dielectric-temperature-stability high-voltage-resistant MLCC is suitable for manufacturing the high-dielectric-temperature-stability high-voltage-resistant MLCC.

The utility model provides a wine aging accelerating device which comprises a tank body, cavities in the tank body comprise a reaction cavity located on the upper portion and a storage cavity located on the lower portion, an emptying opening capable of being opened and closed is formed in the cavity wall of the reaction cavity, and an overflowing opening is formed in the cavity wall of the storage cavity; the spraying device is arranged in the reaction cavity; the communicating pipe is located outside the tank body, one end of the communicating pipe is connected with the overflowing opening, and the other end of the communicating pipe penetrates into the tank body and is connected with an inlet of the spraying device; the circulating pump is arranged on the communicating pipe; a gas outlet of the Brown gas generator is communicated with the communicating pipe; the pressure sensing device is used for sensing the pressure in the reaction cavity; the circulating pump is electrically connected with the control device, so that the wine liquid at the bottom of the tank body circularly enters the reaction cavity, and the brown gas generator is electrically connected with the control device, so that the pressure of the reaction cavity is kept at a preset value. According to the technical scheme, the problem that in the prior art, the aging accelerating efficiency of white spirit is low can be effectively solved.

The application relates to the field of heat-sensitive ceramic materials, in particular to a high-stability rare earth-containing six-component low-resistance high-B-value NTC heat-sensitive ceramic material and a preparation method thereof. The raw material scheme of the NTC heat-sensitive ceramic material comprises trimanganese tetraoxide, nickel protoxide, reinforcing material, lanthanum trioxide, combined functional material and trimolybdenum tetraoxide. The final heat-sensitive ceramic material prepared by the application successfully breaks the technical bottleneck that the resistivity and the B value are restricted to each other in traditional NTC heat-sensitive ceramic materials, realizes good unification of low resistance and high sensitivity, significantly improves the accuracy and response speed of temperature detection; meanwhile, the long-term stability of the material under harsh service conditions such as high-temperature storage, humid heat environment and cold and hot impact is greatly improved, the resistance value drift is effectively inhibited, and the strict requirements of high-reliability scenes such as automobile electronics, industrial control and new energy battery management systems on long-term precise monitoring of temperature sensors can be met.

The invention discloses a preparation method of corn vinegar through lactic acid bacteria synergistic fermentation in combination with ultrasonic-microwave accelerated aging treatment, the method adopts an ultrasonic-microwave accelerated aging treatment technology to prepare novel corn vinegar, corn is taken as a raw material, liquefaction and saccharification stages are optimized through a two-enzyme method, and efficient conversion from corn starch to fermentable sugar is realized; lactobacillus plantarum is used for synergistically performing alcoholic fermentation to generate a plurality of flavor substances such as lactic acid and ethyl lactate; and the aging process of the corn vinegar is accelerated by combining ultrasonic-microwave aging accelerating treatment. Wherein ultrasonic waves can initiate a local high-temperature and high-pressure effect and a medium cavitation effect, so that polar molecules are orderly arranged, the molecular activation energy is improved, reactions such as esterification, condensation and oxidation reduction are accelerated, the energy consumption is relatively low, and the green production requirement is met; the microwave treatment breaks the association state of molecular groups in the original system through a microwave generator, and further accelerates the alkyd esterification process. The method solves the problems of unstable components and inharmonious smell in newly brewed corn vinegar.

The invention discloses a high-temperature-resistant ethylene-tetrafluoroethylene copolymer composite material as well as a preparation method and application thereof. The composite material comprises the following raw materials: 8-10 parts of an ethylene-tetrafluoroethylene copolymer; 0.02 to 0.2 part of an antioxidant; 0.2-1 part of a heat stabilizer; and 0.1 to 0.8 part of a sensitizing agent. The preparation method comprises the following steps: weighing the components according to the mass ratio, internally mixing in an internal mixer for 20-45 minutes, extruding through a screw extruder at the extrusion temperature of 280-340 DEG C after uniformly mixing, and drying to obtain the composite material. During application, the composite material is added into an extruder; extruding at the temperature of 280-340 DEG C to coat the outer surface of the electric wire or the cable; an electric wire or a cable coated with the composite material is subjected to annealing treatment, the annealing temperature is 120-180 DEG C, and the annealing time is 12-24 h. The material has good thermal stability, and the preparation method is simple, low in cost and convenient for large-scale production and application.

The present invention belongs to the field of semiconductor technology, and specifically relates to a copper-based composite solder paste, a preparation method and application thereof. The copper-based composite solder paste comprises: nano-scale copper powder, micron-scale doped modified diamond powder, titanium powder, additives, solvents and resins. The copper-based composite solder paste of the present invention, by adding micron-scale doped modified diamond powder (i.e., doping and modifying micron diamond), can allow doping atoms such as boron, sulfur, nitrogen, phosphorus and magnesium to penetrate into the micron diamond lattice, which helps to improve the electrical conductivity, and the improvement of the electrical conductivity helps to reduce the heat generation power of the solder layer, thereby improving the thermal conductivity and high-temperature stability of the semiconductor device.

The invention discloses a zero-dimensional indium-based perovskite material with up and down conversion luminescence and a preparation method and application thereof, and belongs to the field of photoluminescence and halogen perovskite materials. The chemical formula of the zero-dimensional indium-based perovskite material is Cs2In1-x-y-zCl5 (H2O): xSb < 3 + >, yYb < 3 + >, zEr < 3 + >. The material has up-conversion and down-conversion luminescence properties; the material has an anti-thermal quenching behavior in a temperature changing process of up-conversion luminescence. The preparation method provided by the invention is a high-temperature solution boiling method, Sb, Yb and Er plasmas are introduced into zero-dimensional indium-based perovskite, the up-conversion and down-conversion luminescence properties of the material are realized, and meanwhile, the prepared zero-dimensional indium-based perovskite material has an anti-thermal quenching behavior. The whole process does not involve the use of hydrochloric acid, does not use other toxic solvents, only uses non-toxic and cheap distilled water as a solvent, and has the characteristic of green and environment-friendly chemical process. The zero-dimensional indium-based perovskite material with up-conversion and down-conversion luminescence has huge application potential in the field of non-contact temperature measurement.

The present application relates to a kind of nickel-based alloy cartridge manufacturing method, comprising orthogonal experiment steps: blank edge sampling, edge to center sampling;Sample heating and heat preservation, after solution detection sample grain size;Determine forging temperature;Sample cutting sample, sample is heated after upsetting according to different deformation amount, and test sample grain size;Determine forging deformation amount;Upsetting punching step: blank is heated to forging temperature, and is punched;Final forging temperature is: 950 DEG C;Air cooling to room temperature;Hole expansion forging step: blank is heated to forging temperature, and is expanded;Blank hole expansion deformation is forging deformation amount;Final forging temperature is: 950 DEG C;Air cooling to room temperature;Final rolling forging step: blank is heated to forging temperature, and is rolled;Blank rolling deformation is forging deformation amount;Final forging temperature is greater than or equal to 950 DEG C;Air cooling to room temperature to form product.Solve the problem in prior art scheme, selected forging temperature is lower, and it is easy to produce forging crack and forging deformation amount is smaller, and forging fire time is more.

The invention discloses a preparation method of an unsteady-state aluminum alloy, the unsteady-state aluminum alloy prepared through the preparation method and application of the unsteady-state aluminum alloy, and relates to the technical field of aluminum alloys. In the unsteady state aluminum alloy, the number percentage of an enriched atomic solute area in a microstructure accounts for 80% or above. The preparation method of the unsteady-state aluminum alloy comprises the steps of solid solution treatment, quenching and pre-aging treatment. The technology for rapidly hot-stamping and forming the part by using the unsteady-state aluminum alloy comprises the following steps: rapidly heating the unsteady-state aluminum alloy to a temperature between recrystallization and solid solution, rapidly transferring the heated unsteady-state aluminum alloy, stamping and forming, maintaining pressure and quenching, and baking varnish or aging treatment. The unstable-state aluminum alloy can be stably stored for a long time, the production flexibility of the thin-wall aluminum alloy part is improved, the part stamping forming step can be reduced, the production efficiency of the thin-wall aluminum alloy part can be improved, and large-scale, low-cost and stable industrial production of the thin-wall aluminum alloy part can be achieved.

The invention relates to the technical field of corrosion inhibitors, and discloses a high temperature corrosion inhibitor and a preparation method thereof. The invention obtains the high temperature corrosion inhibitor by adding boric acid modified chitosan, a triazine-based corrosion inhibitor and deionized water into a reactor and stirring. The lone pair electrons provided by a large number of free hydroxyl groups in the chitosan in the boric acid modified chitosan can be well adsorbed to the metal, thereby protecting the metal from corrosion by the corrosive medium; the boron element inhibits the corrosion process by forming a protective oxide film or adsorption film on the metal surface; the ferrocene group itself also has a good corrosion inhibition effect. The quaternary ammonium salt group and the sulfonic acid group in the triazine-based corrosion inhibitor can prevent further corrosion of the metal.

The utility model provides a wine aging accelerating device which comprises a tank body, cavities in the tank body comprise a reaction cavity located on the upper portion and a storage cavity located on the lower portion, an emptying opening is formed in the cavity wall of the reaction cavity, and an overflowing opening is formed in the cavity wall of the storage cavity; the spraying device is arranged in the reaction cavity, and the spraying device comprises two atomization spraying pieces which are oppositely arranged up and down and are opposite in spraying direction; the communicating pipe is located outside the tank body, one end of the communicating pipe is arranged on the overflowing opening, and the other end of the communicating pipe penetrates into the tank body and is connected with an inlet of the spraying device so as to provide wine liquid for the two atomization spraying pieces; the circulating pump is arranged on the communicating pipe; the catalytic gas inlet is formed in the cavity wall of the reaction cavity or the communicating pipe; the circulating pump is electrically connected with the control device, so that the wine liquid at the bottom of the tank body circularly enters the reaction cavity. According to the technical scheme, the problem that in the prior art, the aging accelerating efficiency of white spirit is low can be effectively solved.

The application provides a benzamide bromide-modified perovskite solar cell and a preparation method thereof, and belongs to the technical field of perovskite solar cells; the application solves the problem of low photoelectric conversion rate and poor stability of existing perovskite solar cells caused by uncoordinated lead ions; the application comprises the following steps: S1, placing a substrate covered with a transparent metal electrode into deionized water, acetone and ethanol for ultrasonic cleaning in sequence, and then drying and treating by ultraviolet ozone to form a conductive substrate; S2, spin coating an electron transport layer on the conductive substrate; S3, spin coating and depositing a perovskite active layer on the surface of the electron transport layer, wherein the perovskite active layer uses benzamide bromide as a passivation agent; S4, spin coating a hole transport material on the surface of the perovskite active layer to obtain a hole transport layer; and S5, evaporating a metal electrode on the hole transport layer; the application is applied to perovskite solar cells.

The present invention relates to the technical field of high-temperature energy storage dielectric films, and discloses a preparation method of a porphyrin cross-linker modified polyimide high-temperature energy storage dielectric film. Polyamic acid (PAA) precursor is obtained by condensing 4,4'-diaminodiphenyl ether (ODA) and pyromellitic dianhydride (PMDA), and introducing ultra-low content of 5,10,15,20-tetrakis(4-aminophenyl)porphyrin (TAPP) as a cross-linker. Cross-linked polyimide film (PCPI) is prepared by solution coating and gradient thermal imidization. The terminal amino groups of TAPP molecules form a covalent cross-linking network with PAA, and the porphyrin macrocycle π-conjugated system provides deep-level charge traps, significantly inhibiting high-temperature carrier migration. The breakdown strength of the optimal sample PCPI-0.1 reaches 475 MV / m at 200 °C, and the discharge energy density is 4.97 J / cm 3 , the charge-discharge efficiency is ≥85%. At the same time, it has a high glass transition temperature, high thermal stability, excellent cycle stability and film-forming uniformity. The solution coating process is simple to prepare, and the process conditions are simple and controllable, which is suitable for the batch production of high-temperature and high-energy storage polyimide dielectric films.