Future Car Battery Cell Production - BMW Cell Manufacturing Competence Center

GommeBlog.it: Tecnica e Performance
27 Oct 202308:05

Summary

TLDRThe BMW Group's Manufacturing Competence Center in Parsdorf showcases the production of the next-generation battery cells for their Gen 6 vehicles. The pilot line features a comprehensive process, starting with mixing active materials to create a slurry, followed by coating thin foils with the mixture and removing solvents through drying. The innovative round cell design enhances the vehicle's range by 30% and accelerates charging times. Key steps include calendaring, cutting, and coiling electrodes into a jelly roll, culminating in a thorough quality check during cell assembly. This initiative sets new standards for e-mobility.

Takeaways

  • 🔋 The BMW Group is producing the future battery in a pilot line located in Parsdorf.
  • 🚗 The round cell is designed for the Gen 6 vehicles of the Noya Classic, showcasing advancements in e-mobility.
  • 👥 Around 15,000 participants are involved in simulating large-scale battery cell production.
  • 🔬 The battery cell production begins with dosing and mixing various active materials, solvents, and binders to create a slurry.
  • 🖼️ Copper and aluminum foils are coated with the slurry to form the anode and cathode in a continuous process.
  • 🔥 A 25-meter long drying section removes solvents from the coated foils across various temperature zones.
  • ⚡ The round cell design allows for a 30% increase in range and faster charging times.
  • 📏 The calendaring process compacts the foils using rollers to maximize the energy content of the battery.
  • 🔄 The electrodes are cut into strips and rolled into a 'jelly roll' with a separator.
  • ✔️ In the cell assembly phase, the jelly rolls are inserted into the housing and sealed, followed by quality checks in the formation phase.

Q & A

  • What is being produced at the BMW Group's cell manufacturing competence center in Parsdorf?

    -The center is producing the battery of the future for the Gen 6 vehicles.

  • How many project participants are involved in simulating the production of battery cells?

    -Approximately 15,000 project participants are involved in the simulation.

  • What are the key components mixed to form the slurry in electrode manufacturing?

    -The slurry is formed by mixing various active materials, solvents, and binders.

  • What materials are used for the carrier foils in the coating process?

    -Copper is used for the anode and aluminum is used for the cathode as carrier foils.

  • What is the purpose of the 25-meter-long drying section?

    -The drying section is used to remove the solvent from the substrate in various temperature zones.

  • What advantage does the round cell design provide?

    -The round cell design offers a 30% increase in range and faster charging times.

  • What happens during the calendaring process?

    -During calendaring, the foils are compacted by several pairs of rollers to maximize energy content.

  • How is the jelly roll formed?

    -The coated electrode roll is cut into six strips and rolled up together with the separator to form the jelly roll.

  • What steps are involved in the cell assembly process?

    -The assembly involves smoothing the arrestor foils, inserting them into the cell housing, and sealing the assembly.

  • What quality checks do the cells undergo after assembly?

    -After assembly, the cells are transported to the formation stage, where they are loaded for the first time and checked for quality.

Outlines

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Mindmap

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Highlights

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BMWBattery ProductionE-MobilityInnovationManufacturingTechnologyElectrode ManufacturingPilot LineQuality ControlAutomotive
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