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:
Apr. 23, 2019
Filed:
Nov. 30, 2015
Applicant:
Hyundai Motor Company, Seoul, KR;
Inventors:
Hyun Suk Choo, Yongin-si, KR;
Sung Keun Lee, Suwon-si, KR;
Dae Keun Chun, Seoul, KR;
Hwan Soo Shin, Uiwang-si, KR;
Jae Hyuk Lee, Anyang-si, KR;
Assignee:
HYUNDAI MOTOR COMPANY, Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 8/04955 (2016.01); H01M 8/04223 (2016.01); H01M 8/04303 (2016.01);
U.S. Cl.
CPC ...
H01M 8/04955 (2013.01); H01M 8/04231 (2013.01); H01M 8/04303 (2016.02);
Abstract
A method for accelerating activation of a fuel cell stack may shorten an activation time of the fuel cell stack and reduce the amount of hydrogen used. The method includes a process of applying a high current to the fuel cell stack for a prescribed amount of time and a shutdown maintenance process of pumping hydrogen to an air electrode reaction surface for a prescribed amount of time.