US 12,431,520 B2
Fuel cell device
Woo Young Lee, Yongin-si (KR)
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 Oct. 18, 2022, as Appl. No. 17/968,468.
Claims priority of application No. 10-2021-0180951 (KR), filed on Dec. 16, 2021.
Prior Publication US 2023/0197990 A1, Jun. 22, 2023
Int. Cl. H01M 8/04858 (2016.01); H01M 8/04537 (2016.01); H02J 7/00 (2006.01)
CPC H01M 8/0494 (2013.01) [H01M 8/04559 (2013.01); H02J 7/0063 (2013.01); H02J 2207/20 (2020.01); H02J 2300/30 (2020.01)] 20 Claims
OG exemplary drawing
 
1. A fuel cell device comprising:
a fuel cell;
a power controller configured to convert a magnitude of a stack voltage output from the fuel cell and to output the stack voltage having the converted magnitude to a load; and
a junction box comprising a bypass diode that comprises an anode coupled to the stack voltage and to a voltage input terminal of the power controller and a cathode coupled to a voltage output terminal of the power controller and to the load, wherein the voltage output terminal of the power controller is configured to carry a voltage having the converted magnitude.