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New catalyst of platinum nanoparticles could lead to conk-out free, stable fuel cells
Date:8/2/2010

hat contains as much as 2 percent carbon monoxide a level that is about 2000 times that which typically poisons pure platinum. Also, the material is more stable and less expensive than pure platinum. With the new catalyst, said Abrua, "you can use much less-clean hydrogen, and that's more cost-effective because hydrogen derived from petroleum has a very high content of carbon monoxide. You need to scrub off the carbon monoxide and it's very expensive to do that."

The researchers are now preparing to put the catalyst to the test in real fuel cells. "So far, indications are very good," Abrua said. In preliminary experiments comparing the new material's performance with pure platinum, he added, the platinum cell was readily poisoned by carbon monoxide and conked out early. Said Abrua: "But ours was still running like a champ."


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Contact: Blaine Friedlander
bpf2@cornell.edu
607-254-8093
Cornell University
Source:Eurekalert

Page: 1 2

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