Manufacturing Industry
Nanoengineered platinum has catalytic properties for fuel cells.(EMERGING TECHNOLOGY)(Brief article)
Advanced Materials & Processes, May, 2007
Nano-engineered platinum surfaces for polymer electrolyte membrane fuel cells are being studied at the U.S. Department of Energy's Argonne National Laboratory, Argonne, Ill. Researchers discovered that the nano-segregated platinum-nickel alloy surface has unique catalytic properties, opening up important new directions for the development of active and stable practical cathode catalysts in fuel cells.
Rather than trial-and-error or combinatorial approach, researchers examined platinum-nickel single crystal alloy surfaces with state-of-the-art ex-situ and in-situ surface sensitive probes, so that the mechanism of action has been attributed to specific properties at the atomic and molecular level of the surface. They identified the platinum-nickel alloy surface...
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