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:
Aug. 25, 2020
Filed:
Jul. 13, 2017
Applicants:
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Inventors:
Assignees:
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/04828 (2016.01); H01M 8/04537 (2016.01); H01M 8/04492 (2016.01); H01M 8/0444 (2016.01); H01M 8/1018 (2016.01);
U.S. Cl.
CPC ...
H01M 8/04828 (2013.01); H01M 8/0444 (2013.01); H01M 8/04492 (2013.01); H01M 8/04559 (2013.01); H01M 8/04589 (2013.01); H01M 2008/1095 (2013.01);
Abstract
A fuel cell system includes: a fuel cell stack; a sensor configured to sense a current and a voltage of the fuel cell stack; and a controller configured to acquire weight information based on a relationship between a usage time of a fuel cell and the current or voltage of the fuel cell stack and to determine a humidity state of the fuel cell stack based on the weight information, the current of the fuel cell stack and the voltage of the fuel cell stack.