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Cu is a transition metal and has a special electronic structure and electronic gain and loss properties that are different from other metals. It can show good catalysis for different chemical reactions and is widely used in the field of catalysts. When the size of CuO particles is as small as nanometers, due to the special characteristics of multiple surface free electrons and high surface energy ...
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The displacement reaction method is a common process for processing silver-coated copper powder. Because the surface activity of copper powder is very large, it is easy to oxidize, so it must be pretreated before coating the copper powder. 1. Put the required amount of copper powder into the pretreatment tank, and then wash with 15% 30% dilute sulfuric acid to keep the pH of the solution at 3 2. W...
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Nano cuprous oxide Cu2O is a kind of photoelectric material with a wide range of uses. The main uses are as follows: Nano cuprous oxide Cu2O is used as anti-fouling primer for ships in the coating industry to prevent marine organisms from adhering to the bottom of ships; Nano cuprous oxide Cu2O is used as a colorant for red glass and red enamel in the glass and ceramic industries; Nano cuprous oxi...
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Because nano copper oxide CuO is a p-type semiconductor, it has holes (CuO) +, which may interact with the environment and play an antibacterial or antibacterial effect. Studies have shown that nano CuO has good antibacterial ability against pneumonia and Pseudomonas aeruginosa. The antibacterial process of metal oxide nano-copper oxide CuO can be simply described as: under the excitation of light...
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In recent years, silver coated copper powder has been widely used, not only as the electrode of chip electronic components, but also in the fields of catalyst and electronic paste. At present, the electronic paste used in my country is basically micron-level pure silver powder, which is expensive and mainly imported. Micron sterling silver powder has the problem of particle sedimentation in the la...
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Primary particle size parameters of nano copper oxide:20nm, 50nm, 100 nanometers, purity 99% Min. Application of nano copper oxide: 1. Nano copper oxide is an important multifunctional inorganic material, which is widely used in printing and dyeing, ceramics, glass and medicine and other fields. 2. Nano-copper oxide can also be used as a burning rate catalyst for rocket propellants. It can no...
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The silver plated copper powder adopts electroless plating technology to form silver plating with different thicknesses on the surface of ultra-fine copper powder and nickel powder; it has good oxidation resistance, good electrical conductivity, low resistivity, high dispersion and high stability. Silver plated copper powder is an ideal conductive powder and is an ideal material for low cost and h...
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The value of nanomaterials is not only limited to its good performance in the information industry, biomedicine, aerospace and environmental protection, etc., but also that it can go deep into the details of life, and through the transformation of traditional manufacturing, it will have a subtle impact on human clothing, food, housing and transportation. Materials are the material basis for all te...
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Supercapacitor is a new type of energy storage element, which is widely used in starting power supply, pulse power supply, military, mobile communication device, computer and electric vehicle due to its advantages of large capacity, fast charging and discharging of large current, and long cycle life. and other research fields. According to the different energy storage mechanisms, supercapacitors c...
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Manganese dioxide (chemical formula: MnO2) is a black or brown solid, the most stable oxide of manganese, and is often found in pyrolusite and manganese nodules. Pylusite is the main mineral containing manganese; manganese nodules (submarine rock solids) also contain manganese. Manganese dioxide is mainly used to make dry batteries, such as carbon-zinc batteries and alkaline batteries; it is also ...
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1.physical properties Appearance and properties: black or black-brown crystalline or amorphous powder Relative molecular mass: 86.94 Chemical formula: MnO2 Melting point (℃): 535 (decomposition) Relative density (water=1) 5.03 Boiling point (°C): 535°C Solubility: insoluble in water, insoluble in nitric acid Storage: Store in an airtight and cool place 2.chemical properties Manganese dioxide is th...
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Manganese dioxide, also known as "manganese peroxide", "black manganese oxide", is a black orthorhombic crystal or brown-black powder, and there are many variants. Insoluble in water, nitric acid, cold sulfuric acid and acetic acid, soluble in cold and concentrated hydrochloric acid to generate unstable light brown-green MnCl4, which is heated and reacted with concentrated hydrochloric acid to rel...
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