Manufacture device of battery cell

摘要

Disclosed herein is a battery cell manufacturing device configured to manufacture a battery cell including two or more unit cells. The battery cell manufacturing device includes a unit cell stacking unit into which unit cells are introduced from above and in which the unit cells are sequentially stacked, a wrapping unit to wrap an outside of the unit cell stack discharged from the unit cell stacking unit with a separation film, and a heating unit to thermally shrink the separation film wrapping the outside of the unit cell stack.

主权项

1. A battery cell manufacturing device configured to manufacture a battery cell comprising two or more unit cells, the battery cell manufacturing device comprising:
a unit cell stacking unit into which unit cells are introduced from above and in which the unit cells are sequentially stacked; a wrapping unit to wrap an outside of a unit cell stack discharged from the unit cell stacking unit with a separation film; and a heating unit to thermally shrink the separation film wrapping the outside of the unit cell stack, wherein the unit cell stacking unit comprises a hopper type upper part, an upper end of which is open and a diameter of which is decreased in a downward direction, and a lower part having an interior size corresponding to the unit stack, the lower part of the unit cell stacking unit having an inner diameter larger than electrode plates of each of the unit cells and smaller than a separator of each of the unit cells.