The invention relates to a method for producing an electrode composite (23) of a battery cell, in particular of a lithium-ion battery cell, comprising at least one first electrode (1) having an in particular strip-type first electrode film (1a), at least one second electrode (2), and at least one in particular strip-type separator film (5a, 5b), wherein the in particular strip-type first electrodefilm (1a) is trimmed to fit on a first side, from where the first electrode film (1a) can be contacted in the finished battery cell so that at least one first contact tab (1b) is exposed.