US 11,870,028 B2
Electric vehicle battery cell with internal series connection stacking
Mirko Herrmann, Mountain View, CA (US); and Angela Speidel, Mountain View, CA (US)
Assigned to Volkswagen AG, Wolfsburg (DE); Audi AG, Ingolstadt (DE); and Dr. Ing. h.c. F. Porsche AG, Stuttgart (DE)
Filed by Volkswagen AG, Wolfsburg (DE); AUDI AG, Ingolstadt (DE); and Dr. Ing. h.c. F. Porsche AG, Stuttgart (DE)
Filed on Feb. 14, 2017, as Appl. No. 15/432,390.
Prior Publication US 2018/0233768 A1, Aug. 16, 2018
Int. Cl. H01M 10/0525 (2010.01); H01M 10/0585 (2010.01); H01M 10/04 (2006.01); H01M 4/66 (2006.01); H01M 4/134 (2010.01); B60L 50/64 (2019.01); H01M 50/10 (2021.01); H01M 50/204 (2021.01); H01M 50/627 (2021.01)
CPC H01M 10/0525 (2013.01) [B60L 50/64 (2019.02); H01M 4/134 (2013.01); H01M 4/661 (2013.01); H01M 4/667 (2013.01); H01M 10/0418 (2013.01); H01M 10/0585 (2013.01); H01M 50/10 (2021.01); H01M 50/204 (2021.01); H01M 50/627 (2021.01); H01M 2220/20 (2013.01); H01M 2300/0085 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A method for manufacturing a battery module comprising:
stacking a plurality of battery cell units inside walls of a housing, each battery cell unit including a polymer frame having a window and a battery cell having a cathode, an anode, and a separator separating the cathode and the anode, and a bipolar current collector, the window receiving part of the battery cell; and
connecting the polymer frames to the walls of the housing, two of the plurality of polymer frames and the walls of the housing defining an electrolyte compartment.