25 Aug '12, 11pm

SLAC-Stanford study suggests that tailored 3D nanostructures can enhance activity and stability of fuel cell catalysts

SLAC-Stanford study suggests that tailored 3D nanostructures can enhance activity and stability of fuel cell catalysts 18 August 2012 An example of a platinum island of optimized thickness and shape, containing a high number of very active sites (shown in yellow). The graph shows how the predicted catalytic activity (the black dots) decreases as such islands increase in width. (Image courtesy Daniel Friebel, et. al.) Click to enlarge. A study by researchers from two SLAC-Stanford joint institutes—the Stanford Institute for Materials and Energy Sciences (SIMES) and the SUNCAT Center for Interface Science and Catalysis—has found that engineering fuel cell catalysts with tailored 3D nanostructures—with increased occurrence of the most active sites—could strongly enhance catalyst stability and activity. The results argue for adding three-dimensional nanostructuring as an addit...

Full article: http://www.greencarcongress.com/2012/08/friebel-20120818....

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