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New catalyst paves the path for ethanol-powered fuel cells
Date:1/26/2009

y comparison, produce acetalhyde and acetic acid as the main products, which make them unsuitable for power generation.

"The ability to split the carbon-carbon bond and generate CO2 at room temperature is a completely new feature of catalysis," Adzic said. "There are no other catalysts that can achieve this at practical potentials."

Structural and electronic properties of the electrocatalyst were determined using powerful x-ray absorption techniques at Brookhaven's National Synchrotron Light Source, combined with data from transmission electron microscopy analyses at Brookhaven's Center for Functional Nanomaterials. Based on these studies and calculations, the researchers predict that the high activity of their ternary catalyst results from the synergy between all three constituents platinum, rhodium, and tin dioxide knowledge that could be applied to other alternative energy applications.

"These findings can open new possibilities of research not only for electrocatlysts and fuel cells but also for many other catalytic processes," Adzic said.

Next, the researchers will test the new catalyst in a real fuel cell in order to observe its unique characteristics first hand.


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Contact: Kendra Snyder
ksnyder@bnl.gov
631-344-8191
DOE/Brookhaven National Laboratory
Source:Eurekalert

Page: 1 2

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