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. 12, 2011
Filed:
Jan. 18, 2007
Applicants:
Alexey Alexandrovichserov, Yongin-si, KR;
Chan Kwak, Yongin-si, KR;
Si-hyun Lee, Yongin-si, KR;
Inventors:
Assignee:
Samsung SDI Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/90 (2006.01); H01M 4/92 (2006.01); H01M 4/62 (2006.01); B01J 27/057 (2006.01); B01J 27/02 (2006.01); B01J 27/045 (2006.01);
U.S. Cl.
CPC ...
Abstract
A cathode catalyst of the present invention includes an A-B-Ch compound, where A is a metal selected from the group consisting of Pt, Ru, Rh, and combinations thereof, B is a metal selected from the group consisting of Bi, Pb, Tl, Sb, Sn, In, Ga, Ge, and combinations thereof, and Ch is an element selected from the group consisting of S, Se, Te, and combinations thereof. The cathode catalyst may be used in a membrane-electrode assembly and a fuel cell.