Traditional Culture Encyclopedia - Traditional customs - What is the production process of lithium batteries?
What is the production process of lithium batteries?
Step 1-Preparation of electrode slurry
Mainly mixed electrode active materials, adhesives, solvents, etc. Fully stirring and dispersing to form slurry.
Step 2-Coating
The slurry prepared in the first step is evenly coated on the current collector (aluminum foil or copper foil, etc.). ) to a specified thickness, and drying the solvent.
Step 3- Stamping the pole piece
Stamp the pole piece made in the last step into the specified size and shape.
Step 4- Lamination
Assemble the positive and negative plates and the diaphragm together, and form the pole core after gluing.
Step 5- Assemble the flexible battery.
Put the pole core made in the last step into the perforated aluminum-plastic film to complete top sealing and side sealing. (with a liquid injection port) to form a soft battery without liquid injection.
Step 6- Inject liquid
Inject a specified amount of electrolyte into the soft battery core. Of course, the battery should be baked and injected in a low humidity environment. Too much water content is not good.
Step 7- Battery Sealing
The gas inside the battery is pumped out and sealed in a vacuum environment.
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