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. 24, 2011
Filed:
Dec. 16, 2005
Applicants:
Jung-ock Park, Yongin-si, KR;
Tae-young Kim, Seoul, KR;
Kyoo-young Kim, Pohang-si, KR;
Duck-young Yoo, Seoul, KR;
Inventors:
Jung-ock Park, Yongin-si, KR;
Tae-young Kim, Seoul, KR;
Kyoo-young Kim, Pohang-si, KR;
Duck-young Yoo, Seoul, KR;
Assignee:
Samsung SDI Co., Ltd., Suwon, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/66 (2006.01); H01M 4/64 (2006.01);
U.S. Cl.
CPC ...
Abstract
A separator for a fuel cell includes a first layer that includes stainless steel and tungsten and a second layer that includes stainless steel and tungsten. The first layer contains more tungsten than the second layer so that the separator has anticorrosion properties specifically tailored to the environment of the anode and the cathode.