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Battery Formation

Battery formation is a process that occurs during the manufacturing of battery cells and represents one of the key stages ensuring proper functioning and long lifespan. This process initializes the electrochemical reactions within the cell after its assembly.

During formation, a controlled current is applied to the battery to fully charge and discharge it for the first time. This cycle allows for the stabilization of the active materials in the electrodes and the creation of a so-called solid electrolyte interphase (SEI) layer on the anode. This layer protects the electrolyte from undesirable chemical reactions and ensures efficient and safe operation of the battery.

Formation is a time- and energy-intensive process, but it ensures the optimal performance, capacity and safety of battery cells. In industrial conditions, this process is carefully monitored to minimize deviations and guarantee the high quality of finished products.