US 12,463,450 B2
Backup power supply for emergency communication in a fully discharged fuel cell electric vehicle
Victoria Delker, Farmington Hills, MI (US); Amanda Christiana, Ann Arbor, MI (US); and John Molnar, Farmington Hills, MI (US)
Assigned to Hyundai Motor Company, Seoul (KR); and Kia Corporation, Seoul (KR)
Filed by Hyundai Motor Company, Seoul (KR); and Kia Corporation, Seoul (KR)
Filed on Sep. 26, 2023, as Appl. No. 18/372,963.
Prior Publication US 2025/0105656 A1, Mar. 27, 2025
Int. Cl. H02J 9/00 (2006.01); B60L 3/00 (2019.01); B60L 58/30 (2019.01); B60L 50/70 (2019.01)
CPC H02J 9/002 (2013.01) [B60L 3/0053 (2013.01); B60L 58/30 (2019.02); B60L 50/70 (2019.02); H02J 2310/48 (2020.01)] 20 Claims
OG exemplary drawing
 
1. An emergency backup power system, comprising:
a first wastewater reservoir configured to store wastewater from a fuel cell state;
a second wastewater reservoir configured to store wastewater from one or more water-activated fuel cells;
an activation valve configured to enable water to flow from the second wastewater reservoir to the one or more water-activated fuel cells;
an actuator configured to open the activation valve;
a location tracking system configured to determine geographic coordinates of a fuel cell electric vehicle (FCEV); and
an emergency communication module, comprising a processor, configured to transmit an emergency communication message for the FCEV.