The slurry was uniformly coated on the surface of the metal foil and then drying.
Get the positive and negative materials smooth and compacted on roll.
Cutting the entire volume of the pole pieces, welding the current collector, sticking tape automatically according to technical parameters.
Separated the positive and negative film by the isolating membrane, automatically winding into batteries along the axis and paste termination tape.
Put the battery cell into the punched al compound packing film, and seal the left side and the top side.
Place the battery in a vacuum industrial oven to discharge the wet gas of the battery to be injected completely.
Inject electrolyte into the battery, the process should be completed within a dry glove box. Then first seal.
The first charge and discharge process, each battery is connected to the computer and be tested constantly, to activate battery, recording each battery performance to select rejects.
To take out the gas inside the battery because of get charged, fix the batteries in the fixture then send into the baking machine.
Seal the battery again to ensure the sealing performance of battery cell.
Place the batteries static in the room at the temperature of 45℃ for 48 hours.
Using a high-precision testing equipment to classify the battery capacity. Each battery is connected to the computer and tested constantly to check the performance by a high precision testing equipment.
Global Source Trade Show Apr 18-21, 2017