38results about How to "Suitable for large-scale commercial applications" patented technology

The invention discloses a compound preservative and a preparation method for extending the storing time of loquat fruit, which comprises the following steps: 1) adding 9-15g nanometer calcium carbonate into 1L water with a temperature of 70-90 DEG C, mixing evenly and heat insulating, and then adding in 1.5-4.5g sodium stearate, water bath heat treating for 20-40min for modification; 2) heating and dissolving 300-450g chitosan in 29L water, and then mixing evenly with the solution in step 1). The compound preservative of the invention can effectively inhibit the browning and spoilage of loquat fruit, maintain the good fruit rate of loquat fruit, improve the editable quality and commercial value of loquat fruit and extend the storage period. The preparation method of the invention is characterized by simplicity, high efficiency and utility, which is suitable for large scale commercial application and has broad application prospect.

The invention provides a negative plate and a lithium ion battery. A negative active layer of the negative plate provided by the invention comprises a silicon-based material and graphite particles; the silicon-based material comprises a functional silicon-based material, at least three graphite particles are arranged around the functional silicon-based material, and the distance between the graphite particles and the functional silicon-based material is 0.5-2 microns. The negative plate provided by the invention has lower expansion performance and good cycle performance under the condition of high energy density, the lithium ion battery provided by the invention not only has high energy density, but also has good cycle performance and safety performance, and is suitable for large-scale commercial application, and when the lithium ion battery is used for electronic equipment, the performance of the lithium ion battery is greatly improved. The service life of the electronic equipment can be prolonged.

The invention discloses a preparation method of mullite ceramic powder. The method comprises the following steps: wrapping a SiO2 nano layer composite microstructure on the surface of Al2O3 powder to prepare mullite powder, wherein the average grain size of initial powder Al2O3 powder is 0.1-10 microns; by taking TEOS with purity being over 99% as a raw material of SiO2, wrapping SiO2 on the surface of Al2O3 powder at 500-600 DEG C; and finally, sintering at 1250-1350 DEG C. The mullite powder prepared by the method provided by the invention has purity being over 97%, and has uniform grain size and the components. According to the user demand, the mullite powder with different grain sizes is produced and synthesized with low cost by selecting different Al2O3 powder. The method has the advantages of good repeatability and the like, and is simple to operate and easy to industrialize, and the prepared mullite powder structure is high in heat stability, low in cost, uniform in grain size distribution and suitable for commercial application on a large scale.

The invention relates to preparation and application of an electrocatalytic material for electrocatalytic oxygen evolution reaction (water oxidation reaction). The catalytic material is mainly a nickel-iron-based catalytic material (NiFemm (OOH) 1 + m), and the material is obtained by performing ion exchange on a synthesized Prussian blue analogue precursor under an alkaline condition and then further activating. The structure of the material is nickel-iron oxyhydroxide, and the material is applied to an electrolytic water reaction anode electro-catalysis oxygen evolution reaction. According to the method, the overpotential of the anode oxygen evolution reaction in the electrolyzed water is greatly reduced (the overpotential is only 263 mV when the current density reaches 10 mAcm <-2 >, and the Tafel slope is only 35 mV dec-1), the catalyst performance is remarkably improved, and the method is obviously superior to a commercial noble metal RuO2 catalyst and is better than a NiFe-based hydroxide catalyst generated by a conventional means. The cost of hydrogen production through water electrolysis can be effectively reduced, and the requirements of commercial production are completely met.

The invention relates to a zinc oxide-carbon core-shell nanoparticle, which is a product obtained by adding at least one amino and/or carboxyl substituted benzene derivative or pyridine derivative, or silane micromolecules capable of being subjected to coupling reaction with zinc oxide as a carbon source material into a nano zinc oxide methanol solution and carrying out solvothermal reaction at 150-200 DEG C. The zinc oxide and carbon core-shell nanoparticles are coated with the nano-carbon material to inhibit surface defects of zinc oxide, are applied to an electron transport layer of an organic solar cell, can inhibit photocatalytic reaction between zinc oxide and a non-fullerene material, reduce oxygen sites adsorbed by zinc oxide, reduce the occurrence probability of a'light bath 'phenomenon, and improve the photoelectric conversion efficiency of the organic solar cell. And the air and ultraviolet stability of the device is improved.

The invention relates to an air electrode used in an aluminum-air battery and a preparation method of the air electrode and belongs to the technical field of batteries. The air electrode can be used in the aluminum-air battery as a positive electrode and is prepared by laminating three layers, namely, a waterproof and gas-permeable layer, a catalyst layer and a collector layer, wherein the catalyst layer comprises the following components in percentage by weight: 30-90% of an electrode catalytic material, 5-30% of a conductive material and 5-40% of a binder material, wherein the total weight of the electrode catalytic material, the conductive material and the binder material is 100% by weight. By controlling the crystal form, doping metals, compounding carbon and the like, the obtained modified manganese dioxide material has catalytic efficiency comparable to that of a noble metal catalyst and can provide higher power for the aluminum-air battery. The preparation method of the catalytic electrode provided by the invention has the characteristics that the method is simple, efficient and clean and environmental pollution cannot be caused.

The invention discloses a wireless digital intelligent focusing, dimming and color adjusting LED lamp, and belongs to the field of LED lamps. The wireless digital intelligent focusing, dimming and color adjusting LED lamp comprises: an outer cylinder; a cylinder body connected to the inner wall of the outer cylinder in a sliding mode, wherein a white light control module and a warm light control module are arranged in the cylinder body; an LED lens which is connected to the inner wall of the outer cylinder; a central control unit which is connected to the inner wall of the outer cylinder; anda 2.4 G receiving module and a light spot size adjusting module, wherein the central control unit is in signal connection with the 2.4 G receiving module, and the light spot size adjusting module, thewhite light control module and the warm light control module are all electrically connected with the central control unit. The wireless digital intelligent focusing, dimming and color adjusting LED lamp can intelligently control the focusing effect, does not need manual adjustment, reduces the labor cost and the risk of high-altitude operation, is suitable for large-scale commercial application,can achieve the free switching of light modulation, focusing and color modulation, can achieve the random control, employs digital adjustment, and has a memory function.

The invention discloses a storage and preservation method for loquat fruits, which comprises the following steps: (1) selecting loquat fruits with uniform size, uniform maturity and no mechanical injury, putting into a polyethylene plastic bag, and carrying out heat treatment in a 48 DEG C drying oven for 3 hours; (2) cooling, and immersing the loquat fruits in a 1% chitosan solution containing 100 mu mol/L vitamin E for 5 minutes; immersing every 100g of loquat fruits in 100-200g of plant extract water solution for 8-12 minutes; and (3) naturally drying at room temperature, storing the fruits at 8 DEG C for 3 days, storing at 4 DEG C for 3 days, and storing at 1 DEG C. The combined storage and preservation method is reasonable in design; and compared with the method of simply storing loquat fruits at low temperature, the method disclosed by the invention can effectively avoid cold injury of the loquat fruits, control the rotting rate of the loquat fruits after collection, and prolong the storage period.