Abstract
Proposed is a pitch conversion apparatus for secondary battery cells including a first pick-and-place provided to load/unload a cell into/from a first tray, moved within a first section, and fixed in a pitch state of a first spacing to transfer multiple cells, a second pick-and-place provided to load/unload a cell into/from a second tray, moved within a second section, and fixed in a pitch state of a second spacing to transfer multiple cells, and a buffer part disposed at a position accessible by the first pick-and-place and the second pick-and-place, accommodating multiple cells, and provided to convert a pitch of the accommodated cells.