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The red wire of the power cord socket is fixed to the first red connector with a preheated soldering iron and solder. Next, a battery connection wire is used to connect the blue connector of the first battery to the second red connector with solder. Then connect the third block in this way, and the fourth block ends with a blue connector. Finally, connect the black wire of the power socket to the last blue connector.
Step 1: Ingredients
High vacuum fully automatic mixing of materials for 10 hours to evenly disperse the materials required for lithium-ion battery packs in electric vehicles, improving the consistency and overall performance of the batteries.
Step 2: Coating
Adopting an automatic feeding system, an automatic tool adjustment system, and an online thickness measurement system, the positive and negative electrode plates are evenly coated.
Step 3: Align the rollers
After the positive and negative electrode plates are coated, the positive and negative materials are relatively loose, and a certain pressure should be applied to the electrode plates to compact the positive and negative electrode materials to a certain range.
Step 4: Divide into sections
According to the model of the lithium-ion battery pack, the positive and negative electrode pieces should be cut into the desired width. For 18650 lithium-ion batteries, the width of the electrode is within 56-58mm.
Step 5: Production and winding
Using a fully automatic film making machine, weld the positive and negative electrode tabs onto the positive and negative electrode plates. And a fully automatic winding machine is used to wind the positive and negative electrode plates and the diaphragm together into a cylindrical shape.
Step 6: Point bottom roller groove and vacuum drying
The core is placed inside the steel shell, the negative electrode ear is automatically welded, and the groove is automatically rolled. In addition, after high vacuum and high temperature baking, a small amount of moisture is dried to ensure the performance of the lithium-ion battery pack for electric vehicles.
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