42results about How to "Improve high temperature life" patented technology

The invention belongs to the field of organic electroluminescence devices, and particularly relates to an organic light emitting diode (OLED) device utilizing organic electroluminescence material as a lighting layer. According to the OLED, the lighting material forming the lighting layer comprises subject material and object material, wherein the subject material comprises compound shown in a structural formula A, and compound shown by a structural formula B in a mixed mode, and the weight proportion of the compound shown in the structural formula A, and the compound shown by the structural formula B is 1-20:10. According to the OLED device, the compound shown by the structural formula A, high in steric hindrance, and the compound shown by the structural formula B, high in electronic mobility, are utilized for the organic electroluminescence material utilizes the compound, the proportion relation of the two compounds is adjusted and optimized to adjust electronic transmission performance of a new subject, and therefore a device having good luminance and long service life is obtained.

A method of fabricating a lithium secondary battery, which improves charge-discharge characteristics, lifespan, and temperature characteristics of the battery and which includes interposing a separator between a positive electrode plate and a negative electrode plate, thus manufacturing an electrode assembly; housing the electrode assembly in a battery case, introducing an additive-containing electrolytic solution, and then sealing the battery case; subjecting the sealed battery case to pre-charging, and then removing gas generated by the pre-charging; subjecting the battery case to formation; and removing gas generated by the formation, wherein the additive is one or more selected from among LiF2BC2O4, 3,9-divinyl-2,4,8,10-tetraoxaspiro[5,5]undecane, LiB(C2O4)2, poly(ethyleneglycol)borate and derivatives thereof, halogen-substituted carbonate, and vinyl silane, and the pre-charging is conducted in a range of 10% or less of a battery capacity.

The present invention aims to offer a urea grease composition which excels in noise performance, has long life at high temperatures and, further, also provides the basic performance of greases such as shear stability and heat resistance, as well as appropriate oil separation properties. The present invention provides a urea grease composition comprising: a diurea compound as shown by the General Formula (A) below: R<11>NHCONHR<12>NHCONHR<13>.... (A), (where R<11> and R<13> are groups selected from the group consisting of hydrocarbon groups having from 6 to 20 carbons, at least one of R<11> and R<13> is a dodecyl group and R<12> is a diphenylme thane group); and a diurea compound as shown by the General Formula (B) below: R<21>NHCONHR<22>NHCONHR<23>.... (B), (where R<21 > and R<23> are groups selected from the group consisting of hydrocarbon groups having from 6 to 20 carbons, at least one of R<21> and R<23> is an oleyl group, and R<22> is a diphenylmethane group).

The invention discloses an anode aluminum foil forming device. The anode aluminum foil forming device comprises multiple electrode plates (3), inner circulation pipe networks (11) and a circulation pump (8) connected with the inner circulation pipe networks, wherein the electrode plates (3) and the inner circulation pipe networks (11) are arranged in a forming tank (6). The anode aluminum foil forming device further comprises direct-current electromagnets (10) arranged in the forming tank (6). The direct-current electromagnets (10) are soaked in forming liquid (5) in the forming tank. Multiple heat uniformization holes are evenly distributed in each electrode plate (3). The anode aluminum foil forming device has the beneficial effects that forming liquid circulating performance is good, electrical conductivity is high, interface tension is large, and the concentration and temperature of the forming liquid are uniform in distribution, so that the number of oxygen vacancies of forming films is small, the thickness of oxide films is uniform, the specific volume is large, bending performance is good, and the high-temperature service life is long.

The invention discloses a corrosion-resistant and enhanced furnace bottom roller. The roller comprises a roller body and roller shafts connected at two ends of the roller body; the roller shafts are inserted into the ends of the roller body to be matched and fixedly connected; the closer the wall of the roller body between the roller shafts at the two ends is to the axial central line of the roller body, the thicker the wall thickness is; the roller is further improved in that the axial section of the inner wall of the roller body is an arc-shaped curved surface; a metal ceramic coating is arranged on the outer wall of the roller body and comprises a bottom coating sprayed onto the outer wall of the roller body, a working layer sprayed onto the bottom coating and a sealing layer sprayed onto the working layer; two positioning hinge pins which radially penetrate through matched parts of the roller body and the roller shafts are arranged at the matched parts of the roller body and the roller shafts; and one positioning hinge pin partially penetrates through the other positioning hinge pin. The roller is high in structural strength, high-temperature-resistant, corrosion-resistant, low in thermal expansion, good in chemical stability, stable in high-temperature performance, free of deformation, good in wear resistance and high in conveying quality.

The invention discloses a Ni-Al exothermic resistance alloy wire. The main components of the Ni-Al exothermic resistance alloy wire are Ni, Si, Mn, Al and Ti. The high-temperature life of the resistance alloy wire is obviously improved when the resistivity is guaranteed.

The invention provides a preparation method of silver solder paste, which comprises the following steps: 1, preparing raw materials and pretreating the raw material; 2, stirring the raw materials; 3, roasting the raw materials; and 4 grinding the raw materials. The invention also provides silver solder paste prepared by the method. The silver solder paste is prepared from the following raw materials in percentage by weight: boric acid 33-38, potassium fluoborate 28-32, potassium fluoride 20-25, monomer boron 2.0-2.5 and distilled water 10-20. Compared with the prior art, the method has the advantages of stable product quality and high material utilization rate. The product has the characteristics of long soldering high-temperature life, long activity retention time, high solder wettability and high soldered joint quality.

The invention relates to lubricating grease and a preparation method thereof and discloses a manufacturing technology of the lubricating grease. The lubricating grease is prepared from the following raw materials: lithium-series base oil A1, HVI650 dewaxed low condensate, calcium hydroxide, lithium hydroxide, stearic acid, tricresyl phosphate (TCP), dodecahydroxyl stearic acid, Span-80, anti-oxidation preservative T202, an anti-rust agent T706 and an extreme pressure anti-wear agent (T321). The lubricating grease provided by the invention has a wide range of applications, including roller bearings for hot rolling in metallurgical industry, ladle turrets of continuous casting equipment, crystallizers, conveyor roller lubrication and the like.

The invention provides an anti-agglomeration high-temperature resistant coating of a furnace bottom roller. The coating comprises a substrate, wherein the substrate includes the following components by weight: 35-63 percent of Co, 20-30 percent of Cr, 10-20 percent of Ta, 5-10 percent of Al and 2-5 percent of y. According to the invention, a metal-ceramic material is coated on a furnace bottom roller body in a spraying manner by adopting an explosion method, thus the characteristics of the surface of the furnace bottom roller body is changed, a better prevention of the agglomeration of the furnace bottom roller body is achieved, and further the high-temperature resistance of the furnace bottom roller is enhanced.

The present invention aims to offer a urea grease composition which excels in noise performance, has long life at high temperatures and, further, also provides the basic performance of greases such as shear stability and heat resistance, as well as appropriate oil separation properties. The present invention provides a urea grease composition comprising: a diurea compound as shown by the General Formula (A) below: R11 NHCONHR12NHCONHR13 . . . (A), (where R11 and R13 are groups selected from the group consisting of hydrocarbon groups having from 6 to 20 carbons, at least one of R11 and R13 is a dodecyl group and R12 is a diphenylme thane group); and a diurea compound as shown by the General Formula (B) below: R21 NHCONHR22NHCONHR23 . . . (B), (where R21 and R23 are groups selected from the group consisting of hydrocarbon groups having from 6 to 20 carbons, at least one of R21 and R23 is an oleyl group, and R22 is a diphenylmethane group).

The invention discloses a Ni-Al exothermic resistance alloy material. The main components of the Ni-Al exothermic resistance alloy material are composed of Ni, Si, Mn, Al and Ti and separately added with one or more of microelements Fe, Co and rare earth. The high-temperature life of the resistance alloy manufactured from the Ni-Al exothermic resistance alloy material is obviously improved when the resistivity is guaranteed.

The invention discloses a resistance alloy wire. The resistance alloy wire consists of nickel, silicon, manganese, yttrium, copper, misch metal and iron. Through the mode, as for the provided resistance alloy wire, the high temperature life is prolonged obviously under the situation that the electrical resistivity is ensured.

The invention discloses a resistance material capable of preventing overheat generation caused by excessive current. The main composition of the resistance material is as follows: one or more of microelements, such as Al, Fe, Co and rare earth are added on the basis of NiSiMnTi. The high-temperature life of the prepared resistance alloy can be increased obviously on the condition of ensuring the resistivity.

The invention discloses an electrolyte used for an aluminium electrolytic capacitor. The electrolyte comprises solvent, main solute, auxiliary solute, and optimization additive. The main solute is a compound expressed by a formula (1), and the electrolyte mainly composed by the main solute expressed by the formula (1) is advantageous in that the high temperature performance of the working electrolyte is improved, and a produced capacitor product has longer high temperature-resistant service lifetime. (img file=DDA0001341960870000011. TIF wi=1110 he=247).