The present disclosure provides an electrode stack taping method, a taping device, and a secondary battery. The electrode stack taping method comprises a support tool driving step in which an upper support tool presses an upper side of an electrode stack a...

A secondary battery cell includes a battery cell enclosure, an electrolyte, and an electrode assembly. The electrode assembly includes a cathode with a cathode area, an anode, a separator (i) with an anode-facing side and a cathode-facing side, (ii) with a...

An electrode assembly includes: a separator structure including a first separator and a second separator; a plurality of negative electrode plates spaced from each other along a first direction between the first separator and the second separator; and a pl...

Disclosed are embodiments of battery stacker machines, including z-fold stacker machines, configured to provide a rolling transfer of a battery layer so as to reduce scrubbing. In some embodiments, the layer is flexed onto an arcuate surface using a vacuum...

A secondary battery includes: an electrode assembly including: a plurality of first electrode plates and second electrode plates; and a separator folded in a zigzag form and interposed between each of the first and second electrode plates; and a case accom...