Iron and Cobalt according to this article: http://www.lanl.gov/news/releases/cheaper-hydrogen-fuel-cells.html (that is the third hit if you google catalyst hydrogen fuel cell, you might find many more examples)
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Do you have an idea that people are wasting money on Pt & Pd catalysts because other cheaper metals work just as well (but you can't seem to Google them...)? L
What other cheaper metals?
I was thinking in one that is easily found
If there was a good one that is easily found it would already be in use.