Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Inorganic carbon containing
Reexamination Certificate
2011-03-08
2011-03-08
Hailey, Patricia L (Department: 1732)
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Inorganic carbon containing
C502S101000, C502S180000, C502S182000, C429S523000, C429S524000, C429S525000, C429S526000, C429S527000
Reexamination Certificate
active
07902111
ABSTRACT:
A supported catalyst for a fuel cell, a method of preparing the same, an electrode for a fuel cell including the supported catalyst, and a fuel cell including the electrode. The supported catalyst for the fuel cell includes a graphite based catalyst carrier; a first catalyst metal particle adsorbed on the surface of the graphite based catalyst carrier, wherein the amount of the first catalyst metal particle is at least 30 wt % based on the supported catalyst; and a second catalyst metal particle impregnated on the surface of the first catalyst metal particle. The supported catalyst for a fuel cell uses a graphite based catalyst carrier to increase durability of the fuel cell. Accordingly, the supported catalyst for the fuel cell provides superior energy density and fuel efficiency, by minimizing the loss of a metal catalyst impregnated in the graphite based catalyst carrier and regulating the amount of the impregnated metal catalyst.
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Certificate of Patent No. ZL 200610163627 issued in corresponding Chinese Patent Application No. CN 100595953C on Mar. 24, 2010.
Roev Victor
Suh Sang-hyuk
Hailey Patricia L
Lee & Morse P.C.
Samsung SDI & Co., Ltd.
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