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Electrospinning technology is a one-dimensional nanofiber preparation technology. Its advantages are simple manufacturing device, low spinning cost, many types of spinnable polymers, and controllable spinning process. The basic principle is: in a high-voltage electrostatic field, when the electric field force of the charged polymer solution or melt droplet is greater than the surface tension, the polymer is drawn and refined under the action of the electric field, and this process is accompanied by solvent evaporates and the fibers solidify to form nanofibers, which are recently deposited on the receiving device. Electrospun nanofibers, as a kind of nanomaterials, have the characteristics of high specific surface area, large aspect ratio and high porosity. They are used in filtration separation (air filtration, water filtration, cell filtration, oil-water separation), biomedicine (tissue engineering, Drug release, wound repair), nanocatalysis (photocatalysis, electrode catalysis, enzyme catalysis, precious metal catalysis), sensors (vibration frequency sensor, resistance sensor, photoelectric sensor, optical sensor, ampere sensor), new energy (dye-sensitized solar energy) Battery photoanode materials and electrolyte materials, lithium ion battery diaphragm and electrode materials), nano luminescent materials (oxide semiconductor luminescent materials, sulfide semiconductor luminescent materials, rare earth element doped luminescent materials, organic luminescent materials), magnetic materials (ferrite Bulk nanofiber magnetic materials, metal nanofiber magnetic materials, inorganic/polymer composite nanofiber magnetic materials), composite reinforcement materials, food packaging materials, cosmetic materials (beauty masks), sound-absorbing materials, high-temperature thermal insulation materials (inorganic ceramic nanofibers) ), nano-carbon fiber and other fields, have broad application prospects.

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