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:
Oct. 18, 2011
Filed:
Mar. 09, 2007
Applicants:
Alexey Alexandrovichserov, Suwon-si, KR;
Chan Kwak, Suwon-si, KR;
Si-hyun Lee, Suwon-si, KR;
Inventors:
Assignee:
Samsung SDI Co., Ltd., Gongse-dong, Giheung-gu, Yongin-si, Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A cathode catalyst for a fuel cell, and a membrane-electrode assembly for a fuel cell and a fuel cell system that includes the same. The cathode catalyst includes an active material of an A-B-X compound where A is one of Cu, Ag or a combination thereof, B is one of Nb, Hf; Ta or combinations thereof, and X is one of S, Se, Te or combinations thereof, and a carbon-based material supporting the active material as a carrier.