The production process of lithium battery varies according to different lithium battery manufacturers. However, due to the same principle, the main production processes of lithium battery are basically the same, generally including: batching, coating, rolling, cutting, slitting, welding lugs, winding, packaging, baking, liquid injection, formation, forming, volume separation testing and other processes.

Lithium battery occupies a place in people's daily life, but where does it come from? What are the links of lithium battery production process? Although the production process of lithium battery varies from manufacturer to manufacturer, the main production process of lithium battery is basically the same due to the same principle.

In the above steps necessary for the lithium battery production process, five aspects should be paid attention to from material selection to volume separation detection after forming:

1、 Improving the physical and chemical structure of positive and negative active materials is the basic link of lithium battery production process:

1. Properly ion doped materials,

2. Improve the particle size distribution of active materials to avoid too wide particle size distribution of active materials,

3. Try to use materials with disordered layered structure or thin layered structure,

4. Improving the surface structure of electrode materials;

2、 The high adhesion strength of electrode coating is conducive to reducing the rate of reduction of circulating capacity, which is the most technical process in the production process of lithium battery. Therefore, attention should be paid to:

1. The adhesive and solvent used to form the adhesive material should be pure, and the coated electrode should not be stored for too long,

2. The proportion of adhesive and active substance used in the mixture of positive and negative electrode coating film shall be appropriate to ensure that no powder will fall off after coating;