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:
Nov. 18, 2014
Filed:
Jan. 03, 2011
Hyun Kim, Yongin-si, KR;
Dong-rak Kim, Yongin-si, KR;
Dong-hyun Kim, Yongin-si, KR;
Ming-zi Hong, Yongin-si, KR;
Woong-ho Cho, Yongin-si, KR;
Hyun Kim, Yongin-si, KR;
Dong-Rak Kim, Yongin-si, KR;
Dong-Hyun Kim, Yongin-si, KR;
Ming-Zi Hong, Yongin-si, KR;
Woong-Ho Cho, Yongin-si, KR;
Samsung SDI Co., Ltd., , KR;
Abstract
A fuel cell system including a fuel cell stack having a plurality of unit cells is provided. A method of driving the fuel cell stack is also provided. The method may include supplying a fuel to a fuel cell stack, supplying an oxidizer to the fuel cell stack, controlling supply of the fuel and the oxidizer to operate the fuel cell stack, calculating a total operation time of the fuel cell, and/or varying a stack activation period in which the oxidizer is blocked to the fuel cell stack according to the total operation time and a stack activation cycle of which the stack activation period is generated.