The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 10, 2022
Filed:
Nov. 14, 2018
Applicants:
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Inventors:
Assignees:
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/04 (2016.01); H01M 8/04858 (2016.01); H01M 8/04746 (2016.01); H01M 8/04537 (2016.01); G01R 31/382 (2019.01); H01M 8/04664 (2016.01); H02J 1/10 (2006.01); H02J 7/34 (2006.01);
U.S. Cl.
CPC ...
H01M 8/0488 (2013.01); G01R 31/382 (2019.01); H01M 8/04559 (2013.01); H01M 8/04679 (2013.01); H01M 8/04753 (2013.01); H01M 8/04888 (2013.01); H02J 1/102 (2013.01); H02J 7/34 (2013.01); H01M 2250/20 (2013.01); H02J 2300/30 (2020.01); Y02T 90/40 (2013.01);
Abstract
A control method and system of a fuel cell system are provided. The control method includes draining the voltage of a fuel cell stack by charging a high voltage battery. In addition, the method includes draining the voltage of the fuel cell stack by connecting a fuel cell load device to the fuel cell stack, which is performed when the voltage of the fuel cell stack decreased by the first draining process is less than a predetermined first reference voltage.