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:
Dec. 20, 2011
Filed:
Mar. 17, 2008
Wu Mei, Yokohama, JP;
Taishi Fukazawa, Fuchu, JP;
Takahiro Sato, Kawasaki, JP;
Itsuko Mizutani, Yokohama, JP;
Yoshihiko Nakano, Yokohama, JP;
Wu Mei, Yokohama, JP;
Taishi Fukazawa, Fuchu, JP;
Takahiro Sato, Kawasaki, JP;
Itsuko Mizutani, Yokohama, JP;
Yoshihiko Nakano, Yokohama, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
There is provided a catalyst for a fuel cell, which simultaneously realizes excellent catalytic activity and catalytic stability. The catalyst for a fuel cell comprises a fine particle of a metal represented by formula:PtRuSiT1wherein T1 represents at least one element selected from the group consisting of nickel (Ni), tungsten (W), vanadium (V), and molybdenum (Mo); x=30 to 90 atomic %; y=0 to 50 atomic %; z=0.5 to 20 atomic %; and u=0.5 to 40 atomic %, or comprises a fine particle of a metal represented by formula:PtRuSiT2wherein T2 represents at least one element selected from the group consisting of hafnium (Hf), tin (Sn), zirconium (Zr), niobium (Nb), titanium (Ti), tantalum (Ta), chromium (Cr), and aluminum (Al); x=30 to 90 atomic %; y=0 to 50 atomic %; z=0.5 to 20 atomic %; and u=0.5 to 40 atomic %.