Fuel cell device equipped with catalyst material for removing carbon monoxide and method for removing carbon monoxide
First Claim
1. A fuel cell device comprising a polymer electrolyte fuel cell, a reformer, a fuel gas feeding path for feeding a reformed gas to a fuel electrode of said fuel cell from said reformer, a feeding path for feeding an oxidant gas to a cathode of said fuel cell and a device for removing carbon monoxide provided in said fuel gas feeding path, wherein said device for removing carbon monoxide is equipped with a catalyst material comprising an A type zeolite carrying at least one metal selected from the group consisting of Pt, Pd, Ru, Au, Rh and Ir, or an alloy of two or more metals.
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Abstract
There are disclosed a catalyst material for removing carbon monoxide and a polymer electrolyte fuel cell device using the same catalyst material. This catalyst material comprises an A type zeolite carrying at least one metal selected from the group consisting of Pt, Pd, Ru, Au, Rh and Ir, or an alloy of two or more metals. The catalyst material is capable of removing carbon monoxide in a reformed gas which is fed to the fuel cell by oxidation at a low temperature with good selectivity.
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Citations
6 Claims
- 1. A fuel cell device comprising a polymer electrolyte fuel cell, a reformer, a fuel gas feeding path for feeding a reformed gas to a fuel electrode of said fuel cell from said reformer, a feeding path for feeding an oxidant gas to a cathode of said fuel cell and a device for removing carbon monoxide provided in said fuel gas feeding path, wherein said device for removing carbon monoxide is equipped with a catalyst material comprising an A type zeolite carrying at least one metal selected from the group consisting of Pt, Pd, Ru, Au, Rh and Ir, or an alloy of two or more metals.
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3. A process for removing carbon monoxide in a reformed gas which is reformed from a hydrocarbon material and then fed to a fuel electrode of a fuel cell, comprising passing the reformed gas through a catalyst material for removing carbon monoxide at a temperature of said catalyst of 50°
- to 200°
C., said catalyst comprising an A type zeolite carrying at least one metal selected from the group consisting of Pt, Pd, Ru, Au, Rh and Ir, or an alloy of two or more metals. - View Dependent Claims (4, 5, 6)
- to 200°
Specification