US 12,240,345 B1
Fast charging capable mixed chemistry battery systems
Shuonan Xu, Troy, MI (US); Hanho Yun, Oakland Township, MI (US); and Lei Hao, Troy, MI (US)
Assigned to GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US)
Filed by GM Global Technology Operations LLC, Detroit, MI (US)
Filed on Aug. 9, 2023, as Appl. No. 18/446,569.
Int. Cl. B60L 53/22 (2019.01); B60L 58/18 (2019.01); H01M 10/44 (2006.01); H01M 10/46 (2006.01); H02M 3/158 (2006.01)
CPC B60L 53/22 (2019.02) [B60L 58/18 (2019.02); H01M 10/441 (2013.01); H01M 10/46 (2013.01); H02M 3/158 (2013.01); B60L 2210/12 (2013.01); B60L 2210/14 (2013.01); H01M 2220/20 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A system for controlling power transfer, comprising:
a direct current (DC)-DC converter connected to a charging bus and selectively connected to a propulsion battery assembly and a supplemental battery assembly, the propulsion battery assembly having a first chemistry and configured to supply power to an electric motor of a vehicle, the supplemental battery assembly having a second chemistry that is different than the first chemistry; and
a charger connected to the charging bus at a first side of the DC-DC converter, the charging bus connected to a load at a second side of the DC-DC converter; and
a controller configured to control the DC-DC converter to perform a charging operation.