The research and development of high-safety, large-capacity, and long-life solid-state lithium batteries are of great practical value to the development of a new generation of pure electric or hybrid vehicles and local energy storage systems. Finding a solid electrolyte with high lithium ion conductivity and high stability is one of the problems facing solid-state lithium batteries.
In order to improve the performance of solid-state lithium-ion batteries, an automated production line for solid-state lithium-ion batteries is provided. In order to ensure that the positive electrode material, solid electrolyte, and negative electrode material are accurately injected, the process features are as follows: The positive electrode material is powdered. The key point is that the spiral powder injection method with vibration is used so that the positive electrode material powder is not in the entire powder injection process No residue is attached to the tube wall, which ensures the accuracy of powder injection of the cathode material. Solid electrolyte powder injection, which uses high temperature to melt the solid electrolyte first, and then high temperature injection, to ensure the accuracy of solid electrolyte powder injection. The negative electrode material is injected with powder, which also melts the negative electrode material first, and then performs high temperature liquid injection to ensure the accuracy of the negative electrode material injection.
This production line is a fully automated production line for round solid batteries. The entire process is completed in the glove box, ensuring that the entire process is produced in an oxygen-free and water-free environment, ensuring the quality of the product.
