19results about How to "Improve high temperature" patented technology

The air fryer comprises a machine shell and a reflecting cover, the reflecting cover divides the inner space of the machine shell into a heating cavity and a heat dissipation cavity, a hot air fan and a heating piece are arranged in the heating cavity, a motor for driving the hot air fan and a heat dissipation fan connected with the motor are arranged in the heat dissipation cavity, and an air inlet communicated with the heat dissipation cavity is formed in the machine shell. An air guide cover and a plurality of air guide ribs located on the periphery of the air guide cover are further arranged in the heat dissipation cavity, the air guide cover is provided with an air guide inlet and an air guide outlet communicated with the outside atmosphere, the heat dissipation fan is arranged in the air guide cover, a heat dissipation air channel is formed between every two adjacent air guide ribs in the multiple air guide ribs, and the heat dissipation air channels are communicated with the air inlet and the air guide inlet. Air flow extracted by the rotating cooling fan through the air inlet sequentially flows through the cooling air channels and the air guide cover and then is exhausted through the air guide outlet. According to the air fryer, the airflow short circuit phenomenon is effectively reduced, the problem of high temperature of a local area is solved, the heat dissipation effect is improved, and the machine surface temperature is reduced.

It is an object of the present disclosure to provide a YFI-type zeolite with a small difference in desorption starting temperature due to hydrothermal durability treatment, a method for producing the YFI-type zeolite, a hydrocarbon adsorbent containing the YFI-type zeolite and a hydrocarbon adsorption method using the YFI-type zeolite The YFI-type zeolite is characterized in that the ratio of the mass of extra-framework aluminum to the mass of contained aluminum is 0% by mass or more and 28% by mass or less.

The invention relates to the technical field of lithium batteries, and discloses a formula for improving overcharge performance and safety of a battery cell, the formula comprises 80-90% of lithium cobalt oxide, 0-5% of a conductive agent, 0-5% of a binder, and 0.1-10% of a mixture of lithium oxide and lithium titanium aluminum phosphate, the chemical formula of the lithium titanium aluminum phosphate is Li < 1.5 > Al < 0.5 > Ti < 1.5 > (PO4) 3, and the chemical formula of the lithium oxide is Li2O. According to the formula for improving the overcharge performance of the battery cell and improving the safety, lithium oxide and lithium titanium aluminum phosphate are specifically added into a positive electrode formula, and the lithium titanium aluminum phosphate has good high-temperature and high-voltage stability, so that an electrolyte can be prevented from being oxidized on the surface of a high-voltage positive electrode, side reactions are reduced, the overcharge temperature rise is reduced, and the overcharge performance of the battery is improved; and lithium oxide can provide lithium atoms to ensure the battery capacity and make up the capacity loss caused by the titanium aluminum lithium phosphate, so that the high energy density and the safety are ensured, and the problems in the prior art are solved.

The utility model discloses a constant-pressure vertical liquid storage device with a heat exchange function, which comprises a vertically arranged liquid storage tank and a heat exchange coil pipe arranged in the liquid storage tank, the heat exchange coil pipe is positioned at the upper part of the liquid storage tank, the liquid storage tank is provided with a feed port, a liquid refrigerant or a gas refrigerant enters the liquid storage tank through the feed port, and the liquid refrigerant or the gas refrigerant enters the liquid storage tank through the heat exchange coil pipe. And the gaseous refrigerant and the liquid refrigerant are layered up and down in the liquid storage tank. On the basis of maintaining the temperature and pressure in the liquid storage tank, the problem that the temperature of the liquid refrigerant is too high is solved.

The present invention relates to a lithium secondary battery having improved high-temperature cycle characteristics, and more particularly, to a lithium secondary battery including a cathode, an anode, a separator, and an electrolyte, wherein the cathode includes lithium iron phosphate and lithium nickel cobalt manganese oxide as a cathode active material, the cathode has a loading amount of 32 mg / cm 2 to 60 mg / cm 2 , and the electrolyte includes a lithium salt, a first organic solvent, a second organic solvent, a first additive, and a second additive, wherein the first organic solvent is a cyclic lactone compound, the second organic solvent is a carbonate-based organic solvent, the first additive is an oligomer including a repeating unit derived from a monomer represented by Formula 1 and a repeating unit derived from a monomer represented by Formula 2, and the second additive is an imidazole compound.

This invention discloses a method for regenerating aged asphalt based on waste cooking oil, belonging to the field of road engineering technology. The method includes the following steps: First, the waste cooking oil is esterified by mixing sodium hydroxide solution, methanol, and waste cooking oil; then, the esterified waste cooking oil is epoxidized by mixing hydrogen peroxide, glacial acetic acid, concentrated sulfuric acid, and the esterified waste cooking oil; finally, the esterified and epoxidized waste cooking oils are simply mixed to prepare a regenerating agent, which is used to regenerate aged asphalt to obtain regenerated asphalt. The road-use regenerated asphalt prepared by this invention has excellent high-temperature performance, low-temperature performance, rheological properties, and shear resistance, essentially restoring the performance indicators of the base asphalt. It can be used in road engineering construction, providing a useful reference for the resource utilization of waste cooking oil and aged asphalt.

A battery pack includes a pack case, a plurality of batteries contained within the pack case, a heat sink positioned above the batteries in which coolant is stored, a plurality of supply passages connecting the heat sink and the plurality of batteries, respectively, and the plurality of supply passages is sealed, respectively, and a plurality of plugs is melted by heat generated in the case of thermal runaway of the batteries.

In order to solve the problem that a commercialized lithium ion battery electrolyte cannot give consideration to both high-temperature performance and low-temperature performance, the invention provides a wide-temperature electrolyte, the wide-temperature electrolyte comprises a non-aqueous organic solvent, a lithium salt and an additive, the additive comprises an additive A, and the structural formula of the additive A is shown in the specification, r1 and R2 are respectively and independently selected from nitro, substituted or unsubstituted alkyl, cyano, halogen or hydrogen, at least one of R1 and R2 is not hydrogen, and when one of R1 and R2 is hydrogen, the other one is nitro. By adding the additive A into the electrolyte, the battery can have good high-temperature and low-temperature performance at the same time, the wide-temperature performance of the electrolyte is more excellent, and the use scene of the lithium ion battery can be widened.

The present invention relates to a composition capable of stabilizing nanoemulsion, a nanoemulsion composition, a preparation method and an application thereof, and belongs to the field of cosmetic technology. The composition capable of stabilizing nanoemulsion provided by the present invention comprises the following components in parts by mass: 0.5-1.5 parts of ammonium acryloyldimethyltaurate / VP copolymer, 0.5-1.0 parts of sodium mannose phosphate, and 5-10 parts of nanoemulsifier; the nanoemulsifier comprises water, sunflower oil glycerides, sodium stearoyl glutamate, and lauroyl wheat amino acid potassium. By preparing nanoemulsion with raw materials containing the above components, a stable product can be prepared without high-concentration emulsifiers and special processes, and the irritation and stability of the product can be improved to a certain extent.

Disclosed herein relates to an endothermic pouch assembly, which in one example includes an endothermic pouch with liquid-impregnated absorbent material sealed inside, and a pouch cartridge including a pair of rim frames that bind a heat-fusion sealing portion formed along the rim of the endothermic pouch at both sides.

Provided are a nonaqueous electrolyte solution containing: (I) a compound represented by Formula (1) described in the specification (for example, a compound represented by the following Formula (a-1)); (II) a solute; and (III) a nonaqueous organic solvent, a nonaqueous electrolyte solution and a nonaqueous electrolyte solution battery that can improve high-temperature cycle characteristics and suppress an increase in battery resistance by using the compound represented by Formula (1) and an additive for nonaqueous electrolyte solution, and a compound and an additive for nonaqueous electrolyte solution that can be suitably used in the nonaqueous electrolyte solution described above.

The utility model discloses a membrane disc coupling with flexible laminated sheet relates to membrane disc coupling technical field. The utility model discloses a connecting shaft, the symmetry sleeve joint of positive disc has on the circumference lateral wall of connecting shaft, the lateral of positive disc is equipped with reverse disc, and the opposite surface of positive disc and reverse disc all is equipped with connecting assembly, and connecting assembly includes locating rod, and the opposite surface of positive disc and reverse disc all annular array fixed connection has locating rod, and the locating rod on positive disc and reverse disc is staggered distribution, and the circumference lateral wall of locating rod is equipped with nut with screw thread connection, and the common flexible component is equipped between positive disc and reverse disc. The utility model sets up connecting assembly, reduces the number of independent individual, avoids the loss of locating rod, guarantees the normal dismounting of positive disc and reverse disc, and through setting up flexible component, and flexible laminated sheet is stacked by multiple metal sheets, and the structure rigidity is higher, can bear greater torque and impact load, has greater flexibility on angular and axial compensation.

To provide an Al bonding wire exhibiting a favorable high-temperature and high-humidity service life in a high-temperature and high-humidity environment required for next-generation vehicle-mounted power devices. The Al bonding wire for semiconductor devices containing equal to or larger than 3 mass ppm and equal to or smaller than 500 mass ppm of one or more of Pd and Pt in total, in which, as a result of measuring a crystal orientation on a cross section parallel to a wire axis direction including a wire axis of the bonding wire, an orientation ratio of a <100> crystal orientation angled at 15 degrees or less to the wire axis direction is equal to or higher than 30% and equal to or lower than 90%.

The invention relates to the field of asphalt mixture preparation of road engineering, and discloses a high-performance asphalt mixture based on high and low temperature service environments and a preparation method thereof. According to the asphalt mixture disclosed by the invention, aggregate is used as a main material, a small amount of proper asphalt and fibers are added as auxiliary materials, and the aggregate structure of the asphalt mixture is properly selected, so that the grading structure of coarse and fine aggregate is more reasonable, and the coarse and fine aggregate of the asphalt mixture is embedded better, so that the volume index of the asphalt mixture can be better obtained; according to the preparation method, the proper porosity is particularly ensured, so that the high temperature, low temperature and water stability of the asphalt mixture can be optimized, the defects of the existing asphalt mixture preparation technology are overcome, and particularly the defects of the asphalt mixture mix proportion design based on a complex service temperature environment are overcome. The asphalt mixture can adapt to more complex road use environments, has good durability, and is suitable for asphalt mixture surface layers of highway road engineering, municipal road engineering and the like.

The present application provides a terminal and a processing method thereof. The terminal includes a connecting portion, a first fixing portion and a conducting portion that are connected in sequence. The connecting portion is used for being connected to a cable. The conducting portion includes a plurality of elastic sheets that are arranged at intervals in a circumferential direction. First ends of the elastic sheets are all fixedly connected to the first fixing portion, and a first groove is arranged between any two adjacent elastic sheets. The present application alleviates the technical problems of large contact resistance and high temperature rise at the connection position of the existing plug-in terminal.

The invention belongs to the field of battery materials, and particularly relates to a preparation method of an M2TeO3 internal infiltration heat modified lithium-containing positive electrode active material, which comprises the following steps: mixing the lithium-containing positive electrode active material and M2TeO3, and carrying out heat preservation heat modification at 200-800 DEG C to prepare a modified positive electrode active material; m in the M2TeO3 is at least one of Na, K and Rb. The invention also discloses the material prepared by the preparation method and application thereof. Through combined control of internal infiltration heat modification and parameter conditions, the high-temperature and low-temperature performance of the modified active material can be enhanced based on double-phase exchange migration of components, so that the active material is suitable for wide-temperature-range application requirements, and moreover, the tap density and air-resistant stability of the material can be effectively improved.

The invention provides a semiconductor structure and a forming method thereof, and a memory system, the forming method comprises the steps: providing a substrate, forming a stack structure comprising insulating layers and conductive layers which are alternately stacked on the substrate, and a channel structure which penetrates through the stack structure and extends into the substrate, the channel structure comprises a channel layer and a functional layer surrounding the channel layer; removing the substrate, the conductive layer closest to the substrate and the insulating layer between the substrate, and exposing the conductive layer closest to the substrate and a part of the functional layer of the channel structure; and removing the exposed part of the functional layer of the channel structure to expose the part of the channel layer of the channel structure.

The present invention provides a composite solid electrolyte including: a support layer including a high heat resistance polymer; and an electrolyte layer which is formed on both surfaces of the support layer and contains a fluorine-based polymer and lithium ion conductive inorganic particles, in which the support layer includes an interpenetrating layer in which at least a part of the components of the electrolyte layer are mixed.

The present invention relates to a non-aqueous electrolyte solution and a lithium battery, and mainly solves the problems of easy decomposition at high temperature, poor cycle performance at high temperature and poor rate capability of a non-aqueous electrolyte. According to the present invention, the synergistic effect generated by the combined use of an additive A and an additive B better solves the problem. The non-aqueous electrolyte solution and the lithium battery using the non-aqueous electrolyte solution in the present application have excellent high temperature performance, cycle performance and rate capability.