ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,525,650, issued on Jan. 13, was assigned to VOLKSWAGEN AG (Wolfsburg, Germany).
"Method and device for producing a cell stack for battery cells" was invented by Kartik Jamadar (Wolfsburg, Germany) and Christian Theuerkauf (Braunschweig, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for producing a cell stack (57) for battery cells (8) comprises at least the following steps: a) feeding in at least a first material strip (3) comprising a first material; b) feeding in a second material strip (22, 27) comprising a second material; c) making a first cut into the first material strip (3) and into the second material strip (22, 27), in each c...