104results about How to "Does not affect lifespan" patented technology

The invention discloses an independent photovoltaic mixed energy storage system, which comprises a solar battery panel, a super capacitor module, a storage battery module, a load and an intelligent control system, wherein the solar battery panel provides an energy source; the intelligent control system detects the states of the solar battery panel, the storage battery module and the super capacitor module and further controls the super capacitor module to absorb electric energy which is sent by the solar battery panel when sunlight intensity is lower than a predetermined value; when the sunlight intensity is equal to the predetermined value, the solar battery panel operates at a maximum power point and stores the electric energy for the storage battery module; when the sunlight intensity keeps lower than the predetermined value, the super capacitor module absorbs the electric energy which is sent by the solar battery panel and then stores the electric energy in the storage battery module; and when the load is required to be supplied with power, the super capacitor module and the storage battery module provide energy for the load. The independent photovoltaic mixed energy storage system has the advantages that: the working efficiency of the solar battery panel can be improved; impact upon energization of the load on a storage battery is reduced; the service life of the storage battery is prolonged; and output power is improved.

The invention brings forward a preparation method of a polyethylene microporous membrane and a system thereof. The preparation system of the polyethylene microporous membrane comprises a stirring device, an extrusion device, a cooling molding device, a bidirectional stretching device, an extraction device, a breadthwise stretching and a heat treatment device, wherein the stirring device, the extrusion device, the cooling molding device, the bidirectional stretching device, the extraction device, the breadthwise stretching device and the heat treatment device are connected in order. The preparation method provided by the invention can be adopted to produce an ultrathin polyethylene microporous membrane of 6 micrometers thickness and has advantages of high temperature resistance, corrosion resistance, good stability and long service life.

The invention belongs to the technical field of an aluminum alloy production process, and relates to a series 1 aluminum alloy plate production process. The production process comprises processes of smelting and casting, uniform annealing, extrusion, quenching, sawing and packaging, wherein the aluminum alloy raw material formula is prepared from 0.04 to 0.07 percent of Si, 0.10 to 0.15 percent ofFe, less than or equal to 0.03 percent of Cu, 0.001 to 0.03 percent of Mg, 0.001 to 0.03 percent of Zn, 0.001 to 0.03 percent of V, 0.003 to 0.04 percent of Ti, less than or equal to 0.05 percent ofsingle impurities, less than or equal to 0.15 percent of total impurities and the balance of Al; in the extrusion process, the whole mold work belt is ground to form a flow promoting angle being 2 to5 degrees; an extrusion mold is subjected to nitridation treatment before use, so that the surface hardness of the mold is maintained at 900 to 950HV; through the production process parameter optimized regulation and structure improvement on the extrusion mold, an series 1 aluminum alloy plate with the smooth and clean surface, surface roughness Rz being less than or equal to 10mu m and the electric conductivity reaching a value higher than 61 percent IACS or above is produced.

The invention discloses a flexible display device and a preparation method thereof. The method comprises that an inorganic sacrificial layer, a flexible substrate and a display screen are prepared ona rigid substrate successively, and a bonding force between the flexible substrate and the inorganic sacrificial layer is lower than that between the inorganic sacrificial layer and the rigid substrate; laser is used to cut the flexible substrate, the edge of the flexible substrate after cutting is separated from the inorganic sacrificial layer due to contraction caused by laser burning, and a laser cutting position is between the edge of the display screen and the edge of the flexible substrate; and the flexible substrate is peeled from the rigid substrate along the contracted position of theedge of the flexible substrate via a mechanical outside force. Via the method, the whole flexible substrate is avoided from influence of high temperature caused by laser, the display screen is not damaged, and the service life of the flexible display device is not influenced.

The invention discloses an induction heating spinning forming system and method. The induction heating spinning forming system comprises a headstock, a spinning die, an inductor, a power device, a cooling device and an adjusting device. The spinning die is installed on a spindle of the headstock. The inductor is located on the upper side of the spinning die. A preset distance is kept between one end of the inductor and a planar spinning blank clamped in the spinning die. The other end of the inductor is connected to the power device. The cooling device is led into the inductor and the power device. The power device is used for providing alternating currents for the inductor, and the planar spinning blank can generate alternating currents through the alternating currents. The adjusting device is connected with the inductor and used for adjusting the position and angle of the inductor so that the inductor can move according to the shape of the planar spinning blank. An induction heating mode is adopted for the spinning process, the heating efficiency is high, the labor intensity is relieved, the heating temperature is uniform, the uniformity and stability of spinning part structures are guaranteed, little heat is conducted to the spinning die, and damage, caused by heating, to spinning equipment is reduced.

The invention relates to a method for preparing 8-hydroxyquinoline metal compounds, in particular to a synthesis method for organic electroluminescent materials. A method for the preparation of a compound of Mqnqm', in which M is Al, Li; n is 1 to 3, m is 0-2, q is 8-hydroxyquinoline and derivatives thereof, and q' is a ligand different from q, comprises the steps of: using a hydrophobic solvent, formulating industrial ligand to a solution for being dropped into a reaction vessel, stirring at certain temperature to obtain high-purity products. By using the hydrophobic solvent, the invention can implement the reaction efficiently, shorten reaction period, avoid complicated operation and purification procedures, enhance yield and purity of the product, reduce environmental pollution and lower the cost, besides, the resultant mother liquid can be reused. The technology can be popularized to the preparation of other 8-hydroxyquinoline metal compounds, and the resultant product can serve as an electroluminescent material or an electronic transmission material.