Cathode catalyst for a fuel cell, and a membrane-electrode...

Details Cathode catalyst for a fuel cell, and a membrane-electrode... Cathode catalyst for a fuel cell, and a membrane-electrode...

2007-03-09

2011-10-18

Ruddock, Ula C. (Department: 1729)

Chemistry: electrical current producing apparatus, product, and

Fuel cell, subcombination thereof, or method of making or...

Electrode structure or composition

C429S502000

Reexamination Certificate

active

08039172

ABSTRACT:
A cathode catalyst for a fuel cell, and a membrane-electrode assembly for a fuel cell and a fuel cell system that includes the same. The cathode catalyst includes an active material of an A-B-X compound where A is one of Cu, Ag or a combination thereof, B is one of Nb, Hf; Ta or combinations thereof, and X is one of S, Se, Te or combinations thereof, and a carbon-based material supporting the active material as a carrier.

REFERENCES:
patent: 2004/0137305 (2004-07-01), Inoue et al.
patent: 2006/0003211 (2006-01-01), Sun et al.
patent: 2006/0286430 (2006-12-01), Nor

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