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      1.Coating:

      The slurry was uniformly coated on the surface of the metal foil and then drying.

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      2.Rolling in:

      Get the positive and negative materials smooth and compacted on roll.

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      3.Flaking:

      Cutting the entire volume of the pole pieces, welding the current collector, sticking tape automatically according to technical parameters.

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      4.Winding:

      Separated the positive and negative film by the isolating membrane, automatically winding into batteries along the axis and paste termination tape.

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      5.Top side seal:

      Put the battery cell into the punched al compound packing film, and seal the left side and the top side.

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      6.Vacuum baking:

      Place the battery in a vacuum industrial oven to discharge the wet gas of the battery to be injected completely.

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      7.Injection & seal:

      Inject electrolyte into the battery, the process should be completed within a dry glove box. Then first seal.

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      8.Formation:

      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.

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      9.Fixture baking :

      To take out the gas inside the battery because of get charged, fix the batteries in the fixture then send into the baking machine.

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      10.Second seal:

      Seal the battery again to ensure the sealing performance of battery cell.

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      11.Aging:

      Place the batteries static in the room at the temperature of 45℃ for 48 hours.

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      12.Grading:

      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.

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    SHIRUI NEWS

    Global Source Trade Show Apr 18-21, 2017

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    2019年天天夜夜干