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Home > News > Brookhaven Lab Scientists Discover Gold Clusters Stabilize...

January 11th, 2007

Brookhaven Lab Scientists Discover Gold Clusters Stabilize...

Abstract:
Platinum is the most efficient electroccatalyst for accelerating chemical reactions in fuel cells for electric vehicles. In reactions during the stop-and-go driving of an electric car, however, the platinum dissolves, which reduces its efficiency as a catalyst. This is a major impediment for vehicle-application of fuel cells.

Now, scientists at the U.S. Department of Energy's Brookhaven National Laboratory have overcome this problem. Under lab conditions that imitate the environment of a fuel cell, the researchers added gold clusters to the platinum electrocatalyst, which kept it intact during an accelerated stability test. This test is conducted under conditions similar to those encountered in stop-and-go driving in an electric car. The research is reported in the January 12, 2007, edition of the journal Science.

Source:
fuelcellsworks.com

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