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A new type of catalyst could lead to fuel cells that use a fifth of the platinum they use now. The new material, developed by researchers at the University of Houston, Technical University of Berlin in Germany, and the Department of Energy's SLAC National Accelerator Laboratory in Menlo Park, CA, consists of nanoparticles with cores made of a copper-platinum alloy and an outer shell that is mostly platinum. The material is up to five times as efficient as regular platinum.

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