In addition to the materials used, the manufacturing processes, their precision and process atmospheric conditions have a significant influence on the performance of the battery cells, such as ageing, safety and energy density. In our pilot line for battery cell production, the materials pass through seven stations from start to finish.
The battery manufacturing process is a complex sequence of steps transforming raw materials into functional, reliable energy storage units. This guide covers the entire process, from material selection to the final product’s assembly and testing.
The cell stack is then filled with electrolyte in a vacuum chamber and sealed under a specific absolute pressure using impulse sealing. The gas produced during the forming process of the battery cell can also be drained in the vacuum chamber. A new battery cell has been created.
Once the cell stack has been inserted, the housing is sealed on three sides using a heat-sealing process. The cell stack is then filled with electrolyte in a vacuum chamber and sealed under a specific absolute pressure using impulse sealing. The gas produced during the forming process of the battery cell can also be drained in the vacuum chamber.
It begins with the careful preparation of electrodes, constructing the cathode from a lithium compound and the anode from graphite. These components are meticulously coated onto metal foils to set the stage for the battery’s future performance. Next is the assembly of the battery cell.
In addition to electrode production and cell finalization, our research focus is on cell assembly, which plays a key role in battery cell production. This involves going through various processes to produce a finished battery cell from the individual materials (electrodes, separator, housing, current collector tabs and electrolyte).
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