38results about How to "Increase the degree of infiltration" patented technology

The invention discloses a preparation method of a trimetallic MOF-derived ternary cathode material. The trimetallic MOF-derived ternary cathode material comprises the following steps of: the step 1: employing a nickel-cobalt-manganese trimetallic organic framework material formed by solvothermal reaction as a reaction precursor; and the step 2: performing preparation by employing the reaction precursor and a lithium source by employing a high-temperature solid phase method to obtain a trimetallic MOF-derived ternary cathode material, wherein the trimetallic MOF-derived ternary cathode materialis Liz(NixCoyMn1-x-y)O2 with a surface coated with carbon, 0<=x<=1, 0<=y<=1, 0<=1-x-y<=1 and 1.08<=z<=1.3. The preparation method of the trimetallic MOF-derived ternary cathode material changes the coating means of complexity and difficult control in morphology, employs a simple and practicable mode to introduce an MOF carbon skeleton for coating without influence of the structure phase of the ternary material so as to greatly improve the circulation stability, the rate capability and the safety of the material and have potential application prospects.

The invention discloses an oncolytic virus and neoantigen combined tumor vaccine and a preparation method thereof. The combined vaccine can be implemented through the following two ways: in the firstway, an immune response reaction generated from an oncolytic virus reagent is used for improving the efficiency for phagocytizing a polypeptide reagent by an antigen presenting cell, increasing the number of T cells which can specifically identify a neoantigen and improving the tumor invasion performance of the T cells so as to enhance the anti-cancer curative effect; and in the second way, a genecoding a tumor neoantigen is inserted into an oncolytic virus vector to massively express the tumor neoantigen, and is combined with the tumor killing performance of the oncolytic virus to further enhance the immune response reaction of a tumor focus local part and improve the invasion degree of the killing type T cell in a tumor tissue, so that the local part can generate an immune response reaction, and generation of an effector cell is stimulated to achieve an anti-cancer effect. Experiment comparison discovers that the first combined vaccine and the second combined vaccine have an excellent tumor inhibition effect, and the second combined vaccine has a remarkable tumor inhibition effect.

The invention provides a manufacturing process of a cylindrical lithium ion battery, which belongs to the field of lithium ion batteries and comprises the following steps: S1, simultaneously manufacturing a positive plate and a negative plate, and preparing for winding; s2, winding: winding the positive plate and the negative plate which are manufactured in the step S1 and a diaphragm, arranging the diaphragm between the positive plate and the negative plate, and forming a roll core after winding; s3, baking to reduce the moisture value of the surface of the roll core; s4, electrolyte infiltration: immersing the roll core wound in the S2 into the electrolyte in a liquid injection chamber, changing the environment in the liquid injection chamber into a vacuum state, and taking out the roll core after liquid injection is completed; S5, assembling in a shell, clamping a battery shell, and carrying out roll core in-shell treatment on the roll core subjected to infiltration and liquid injection; and S6, pre-charging, aging, forming and grading capacity. According to the present invention, the coating process and the rolling process are combined together, the production process is substantially simplified, and the immersion type electrolyte injection process is adopted so as to effectively improve the infiltration degree of the electrolyte and improve the battery performance.

The invention relates to the technical field of cylindrical batteries and particularly discloses a method for prolonging the service life of a cylindrical lithium-ion battery. The method comprises the step of carrying out circulating charging and discharging on the cylindrical lithium-ion battery with qualified capacity grading by adopting 0-0.5C current at least. The method for prolonging the service life of the cylindrical lithium-ion battery, provided by the embodiment of the invention, is used for carrying out finite circulating charging and discharging on the cylindrical lithium-ion battery with the qualified capacity grading by small current, and active substances of the cylindrical lithium-ion battery are sufficiently activated, so that the infiltration degree of electrolyte on a pole piece is improved, the electrolyte is relatively uniformly distributed in a roll core, and furthermore, the effect of prolonging the cycle life of the battery is realized.

The invention relates to a method for preparing an electrode of a lithium-ion battery, belonging to the technical field of lithium batteries. The method for preparing the electrode of the lithium-ionbattery disclosed by the invention includes the following steps: preparing a graphene oxide suspension, and storing the suspension in a dark environment for later use; preparing a nano-silicon particle suspension; adding the graphene oxide suspension to the nano-silicon particle suspension, performing ultrasonic stirring for 0.5-1.5h, and then performing suction filtration to form a layer of nano-silicon-graphene oxide paper on a filter membrane; and transferring the nano-silicon-graphene oxide paper from the filter membrane, performing air drying, heating to 670-730DEG C in a protective atmosphere, and performing heat preservation for 0.5-1.5h to obtain a nano-silicon-graphene paper composite electrode. The silicon-graphene composite electrode of the invention can be used as the negativeelectrode of the lithium-ion battery to effectively improve the specific capacity, energy density, cycle performance and other performance of the battery.

The invention discloses a coffee beverage and a preparation method thereof, and belongs to the technical field of food processing. The coffee beverage comprises the following raw material components in parts by weight: 10-450 parts of coffee extract liquor, 1-100 parts of citrus fruit juice, 0.1-5 parts of a stabilizer and 0.3-3 parts of an acidity regulator, wherein the citrus fruit juice comprises perfume lemon juice and grapefruit juice. The citrus fruit juice comprises the perfume lemon juice and the grapefruit juice and the coffee extract liquor are selected to cooperate for use in a specific proportion, so that the coffee flavor release is improved, the excellent fragrance of coffee is enhanced, meanwhile, the fragrance of the coffee is blended with the flavor of the juice, other flavor substances in the coffee cannot be covered, and moreover, the coffee beverage with sweet and fragrant taste, strong fragrance and excellent flavor and texture can be obtained without additional flavor blending treatment, and is deeply loved by people.

The invention discloses a single-component high thermal conductivity composite interfacial material with a function of solving oil permeation by means of a molecular sieve, and a preparation method ofthe composite interfacial material. The high thermal conductivity composite interfacial material is prepared from the following components by weight percent: 5-45% of an organosilicon polymer, 50-90%of heat conduction powder and 0.1-5% of additives, wherein the heat conduction powder is prepared from metallic oxide, and the metallic oxide is aluminum oxide with a particle size of 1-60mu m; during preparation, the zeolite molecular sieve is mixed with the organosilicon polymer in advance. By utilizing the moisture and water absorption performance of the added zeolite molecular sieve, the single-component high thermal conductivity composite interfacial material solves the problem of oil permeation.

The invention belongs to the field of formula foods for special medical purposes, and particularly relates to a formula food for special medical purposes based on a novel mixing mode and a preparationmethod thereof. The formula food for the special medical purposes based on the novel mixing mode comprises the following components in parts by mass: 60-100 parts of proteins, 25-56 parts of fat, 145-256 parts of carbohydrates, 0.5-1.5 parts of compound vitamins, 8-19 parts of compound mineral substances, 0.05-20 parts of an essence and 600-750 parts of water. A specific and efficient mixing method is designed according to the characteristics of high protein content, high solid content and easiness in foaming and caking in the material mixing process of the product, and air brought by powderand air generated in the material stirring process can be removed in a vacuum environment, so that the foaming amount is greatly reduced.

The invention relates to the technical field of radiators, in particular to a steel plate type radiator which comprises at least two radiating plates, containing cavities are formed in the radiating plates, every two adjacent radiating plates are connected through a connecting pipe, the containing cavities in every two adjacent radiating plates communicate through the connecting pipe, and the steel plate type radiator further comprises a water inlet pipe and a water outlet pipe. The water inlet pipe communicates with any containing cavity, the water outlet pipe communicates with any containing cavity, a convection channel in a vertical state is arranged on the heat dissipation plate, the convection channel has a chimney effect, a fan is rotationally connected to the position, located at the bottom, in the convection channel, and a rotating disc is rotationally arranged in the convection channel and located above the fan. And a gap is reserved between the outer wall of a turntable and the inner wall of the convection channel, so that rapid rising and spreading of heated air in the convection channel are accelerated, the indoor temperature is rapidly increased, the heat dissipation efficiency of the heat dissipation plate is improved, and the heating effect is enhanced.

The invention relates to the technical field of phase change materials, in particular to a graphene-based high-thermal-conductivity phase change material and a preparation method and production device thereof. The preparation method comprises the following steps of: 1, putting graphene foam in a vacuum environment, and exhausting internal air; (2) heating and melting a phase change material at a temperature higher than the phase change temperature of the phase change material to obtain a liquid phase change material; and (3) injecting the liquid phase change material into the graphene foam, and after the graphene foam is filled with the liquid phase change material, cooling to solidify the liquid phase change material, thereby obtaining the graphene-based high-thermal-conductivity phase change material. The liquid phase change material fills the graphene foam in an injection manner, so that the situation that the exposed phase change material is molten into liquid and flows to a using device in the using process due to the fact that the phase change material is exposed on the surface of the foam is avoided, and after the surface of the graphene base is exposed, the heat-conducting property of the graphene-based phase change material and the stability of the product quality are improved.

The invention discloses a crystal handle manufacturing process and a crystal handle. The crystal handle comprises a connecting base and a crystal body, wherein the connecting base is provided with a bonding groove, the crystal body is provided with a boss, scratches are formed on the inner wall face of the bonding groove, the boss is inserted into the bonding groove, and an adhesive layer is arranged between the boss and the bonding groove. The inner wall surface of the bonding groove is connected with the outer surface of the boss through a bonding layer; the crystal handle manufacturing process comprises the following steps of forming the scratches, wherein the scratches are formed on the inner wall face of the bonding groove; and bonding connection, wherein the inner wall face of the bonding groove and/or the outer surface of the boss are/is coated with an adhesive, and the boss is inserted into the bonding groove so that the inner wall face of the bonding groove and the outer surface of the boss can be bonded through the adhesive. By making the scratches on the inner wall face of the bonding groove, the surface roughness of the inner wall face of the bonding groove can be improved, the contact point density of the adhesive and a connecting base is improved, and therefore, the bonding strength between the connecting base and the crystal body can be improved.

According to the racket surface structure of a pike racket and a preparation method thereof, sizing treatment is conducted on carbon fibers through acetone, then oxidation treatment is conducted on the carbon fibers through a silver nitrate solution and a potassium peroxodisulfate solution, more oxygen-containing functional groups are formed on the surfaces of the carbon fibers, and therefore theinfiltration degree of the carbon fibers is enhanced; the melamine is grafted to the oxidized carbon fiber, so that the binding force between the carbon fiber and the epoxy resin is enhanced, the crack forming work, the expansion work and the impact work of the carbon fiber are further obviously increased, and corrosion resistance of the carbon fiber is improved; carbon fibers can be broken only by needing higher impact energy, and the mechanical properties of the carbon fibers are effectively improved, so impact resistance of the prepared racket surface structure of the pike racket is obviously improved, and the service life of the racket surface structure is obviously prolonged.