Details on these costs are discussed in Section 3. Additional parallel cells increase the cost because of the increased number of cell terminals, interconnects, and formation cycling units in the manufacturing facility. This uncertainty in additional cost is taken into account by increasing the size of the positive error bar. However, as the cell capacity calculated to meet the energy requirement increases, the likelihood of the designers using parallel connected cells in a group also increases. It is difficult at this time to predict the largest cells that will be practical for a particular application in the near future and, thus, BatPaC does not limit the cell capacity. These smaller cells may have already been demonstrated to meet the performance, life, and safety requirements for a particular application and thus are a more attractive choice for the OEM. However, a cell supplier may choose to use smaller cells grouped by parallel connection. 200 Ah) exist today for some applications and cell chemistries. Cells of this size and larger cells (e.g. EVs) commonly rely on high-capacity cells or cell groups, exceeding 50 Ah. Vehicle designs requiring batteries with large energy storage (e.g. Nelson, in Lithium-Ion Batteries, 2014 4.3 Cell Capacity
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