Vorrichtung zur Erzeugung von Batterieelektroden und Verfahren

摘要

Superimposing strip layers comprising a positive electrode strip (3) and a negative electrode strip (4), which are put into layers together with a separator strip (2) being put between the strips, is spirally wound around an outer circumference of a bobbin (1) having an end cross section similar in shape to a center hole of a spiral electrode to form a substantially circular center hole in the spiral electrode while extracting the bobbin.