As a common conductive material, copper powder is widely used in electronic paste. Compared with other metal fillers, copper powder has the advantages of low price and excellent conductivity, especially the conductivity similar to silver, which makes copper conductive paste one of the research hotspots in many industries.
The broad prospects of copper conductive paste
Among the various copper surface modification methods, silver-coated copper conductive paste is regarded as a low-cost, high-safety composite metal conductive paste alternative, which has broad application prospects in the fields of flexible printed electronics and photovoltaics.
Silver-coated copper conductive paste forms a structure similar to "copper-coated silver" by wrapping a micron-level silver layer on the surface of copper powder. This structure can protect the copper powder from oxidation while also utilizing the conductive properties of silver to further improve the overall conductivity. Compared with other surface modification methods, silver-coated copper conductive paste has better antioxidant and conductive properties.
In the field of flexible printed electronics, silver-coated copper conductive paste can be used as a high-quality conductive material for the production of flexible circuit boards, flexible displays, etc. These products are not only thin and flexible, but also can achieve high-speed signal transmission and stable conductive properties.
In addition, silver-coated copper conductive paste is also widely used in the photovoltaic field. By coating silver-coated copper conductive paste as an electrode material, the conductivity of solar cells can be improved, the photoelectric conversion efficiency can be improved, and the preparation cost of silver-coated copper conductive paste is lower than that of pure silver conductive paste, which is more economical and practical.
In summary, as a common and low-cost conductive material, copper has a wide range of application prospects. By adopting appropriate surface modification methods, especially silver-coated copper conductive paste, the oxidation resistance and conductivity of copper can be effectively improved. This brings huge potential for the development of flexible printed electronics and photovoltaic fields, and also brings new breakthroughs and development opportunities for the application of copper conductor paste.
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