Fuel-Cell Waste Reduction Goes Platinum (IMAGE)
Caption
In fuel cells, hydrogen gas flows through channels in membranes coated with platinum catalyst. Platinum degradation (redder colors in insets) can be affected by the presence of other gases (air or nitrogen), humidity, and location (flow inlet vs. outlet).
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Image courtesy of University of California, Irvine
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Image courtesy of University of California, Irvine
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