NOBLE METAL-FREE CATALYST SYSTEM FOR A FUEL CELL
A noble metal-free catalyst system with a carbon-based support material and a polyaniline-metal catalyst bound to the support material is provided. Moreover, fuel cell containing the catalyst system is provided. The polyaniline-metal catalyst -contains iron (Fe) and manganese (Mn).
1 - 8 (canceled)
9 . A catalyst system comprising:
a carbon-based support material; and
a polyaniline-metal catalyst bound to the support material, the polyaniline-metal catalyst including iron (Fe) and manganese (Mn).
10 . The catalyst system as recited in claim 9 wherein the polyaniline-metal catalyst is a polyaniline-Mn/Fe catalyst.
11 . The catalyst system as recited in claim 9 wherein a molar ratio of Mn to Fe is in the range from 1:100 to 100:1.
12 . The catalyst system as recited in claim 11 wherein the molar ratio of Mn to Fe is in the range from 1:5 to 5:1.
13 . The catalyst system as recited in claim 12 wherein the molar ratio of Mn to Fe is in the range from 1:1.5 to 1.5:1.
14 . The catalyst system as recited in claim 13 wherein molar ratio of Mn to Fe is 1:1.
15 . The catalyst system as recited in claim 9 wherein metal amounts to a fraction of 10% to 40% by weight of the total weight of the catalyst system.
16 . A fuel cell comprising the catalyst system as recited in claim 9 .