Stable multi-jet electrospinning with high throughput using the bead structure nozzle

Area of Science:

• Materials Science and Engineering
• Chemical Engineering
• Nanotechnology

Background:

• Traditional electrospinning methods face challenges in production efficiency and equipment cleaning.
• Existing needleless electrospinning techniques often require high voltage, increasing energy consumption and waste.
• There is a need for improved electrospinning nozzle designs that enhance output and simplify operations.

Purpose of the Study:

• To develop and evaluate a modified bead structure nozzle for electrospinning.
• To investigate the impact of spinning parameters on multi-jet stability and production efficiency.
• To assess the energy efficiency and ease of cleaning compared to conventional methods.

Main Methods:

• Fabrication of a modified bead structure nozzle for electrospinning.
• Systematic study of the effects of flow rate, voltage, and receiving distance on jet behavior.
• Force analysis of the rotating spinning phenomenon and COMSOL Multiphysics simulation of the electric field.

Main Results:

• The number of stable electrospinning jets can be effectively controlled by adjusting spinning conditions.
• The bead structure nozzle does not significantly alter the overall electric field distribution compared to traditional nozzles.
• The novel nozzle design enables stable multi-jet production via a curved surface, boosting nanofiber output.

Conclusions:

• The bead structure nozzle offers a viable solution for improving nanofiber production efficiency.
• This design reduces energy consumption and simplifies equipment cleaning, aligning with sustainable research and industrial practices.
• The modified nozzle facilitates waste reduction in both experimental and large-scale nanofiber manufacturing.