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:
Feb. 11, 2025
Filed:
Feb. 22, 2022
Applicant:
Hyundai Kefico Corporation, Gyeonggi-do, KR;
Inventors:
Sung Ho Kim, Gyeonggi-do, KR;
Ji Hye Park, Gyeonggi-do, KR;
Assignee:
Hyundai Kefico Corporation, Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/04 (2016.01); G01R 19/165 (2006.01); H01M 8/04537 (2016.01); H01M 8/04664 (2016.01);
U.S. Cl.
CPC ...
H01M 8/04559 (2013.01); G01R 19/165 (2013.01); H01M 8/04679 (2013.01);
Abstract
Disclosed is a voltage detection system of a fuel cell stack, which includes: a stack detection unit comparing input voltage and reference voltage when voltage of a fuel cell stack is input, and outputting a comparison result; and a determination unit determining whether negative voltage is generated in the fuel cell stack based on output voltage of the stack detection unit and a reference duty used for generation of the reference voltage.