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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.:

US 9120087 B1

PDFFull Text
Date of Patent:
Sep. 01, 2015

Filed:

Oct. 28, 2005

Catalyst for fuel cell, method for preparing the same, and membrane-electrode assembly and fuel cell system comprising same

Applicants:

Myoung-ki Min, Suwon-si, KR;

Chan-hee Park, Suwon-si, KR;

Hye-a Kim, Suwon-si, KR;

Chan Kwak, Suwon-si, KR;

Ho-jin Kweon, Suwon-si, KR;

Hasuck Kim, Seoul, KR;

Inventors:

Myoung-Ki Min, Suwon-si, KR;

Chan-Hee Park, Suwon-si, KR;

Hye-A Kim, Suwon-si, KR;

Chan Kwak, Suwon-si, KR;

Ho-Jin Kweon, Suwon-si, KR;

Hasuck Kim, Seoul, KR;

Assignees:

Samsung SDI Co., Ltd., Giheung-gu, Yongin-si, Gyeonggi-do, KR;

Hasuck Kim, Seoul, KR;

Attorney:

Robert E. Bushnell, Esq.

Primary Examiner:

Tracy Dove

Int. Cl.
CPC ...
H01M 4/92 (2006.01); B01J 23/89 (2006.01); B01J 23/56 (2006.01); B01J 37/02 (2006.01); H01M 4/90 (2006.01); H01M 8/10 (2006.01); B01J 35/00 (2006.01); H01M 4/86 (2006.01);
U.S. Cl.
CPC ...
B01J 23/8906 (2013.01); B01J 23/56 (2013.01); B01J 37/0215 (2013.01); H01M 4/90 (2013.01); H01M 4/92 (2013.01); H01M 4/921 (2013.01); H01M 8/1004 (2013.01); B01J 35/0013 (2013.01); H01M 4/8657 (2013.01); Y02E 60/521 (2013.01);
Abstract

The present invention includes a catalyst for a fuel cell which contains a transition element core, and a surface layer that contains at least one selected from the group including platinum, a platinum-transition element alloy, and a combination thereof, and that exists on the surface of the core. The catalyst being prepared without a surfactant.

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