Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Metal – metal oxide or metal hydroxide
Reexamination Certificate
2006-10-24
2006-10-24
Ryan, Patrick Joseph (Department: 1745)
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Metal, metal oxide or metal hydroxide
C502S180000, C502S185000, C502S439000, C429S047000
Reexamination Certificate
active
07125822
ABSTRACT:
This invention provides a fuel cell catalyst including a carbon support containing at least one first element selected from the group consisting of B, N, and P, and catalyst particles supported on the carbon support, wherein the catalyst particles include at least one of platinum particles and alloy particles containing Pt and an element A, and the element A contains at least one element selected from the group consisting of platinum group elements and period 4 to 6 transition metal elements.
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C. M. Lukehart, et al., Prepr. Symp. Am. Chem. Soc., Div. Fuel. Chem., vol. 44, No. 4, pp. 982-986, “Preparation of PT-RU or PT-MO Supported Catalysts for PEM or Direct Methanol Fuel Cells From Single-Source Molecular Precursors”, 1999.
Mei Wu
Nakano Yoshihiko
Ohzu Hideyuki
Onodera Shinichi
Suenaga Seiichi
Austin Melissa
Ryan Patrick Joseph
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