Hydrogen generator uses concentrated solar heat, metal oxides

08/4/2013 | EarthTechling.com

An experimental method for liberating hydrogen from water uses concentrated solar energy much like the power towers of concentrating solar power plants that are used to generate electricity. Researchers at the University of Colorado, Boulder, say the concentrated heat is used to heat metal oxides, releasing oxygen atoms that seek others of the kind that can be found in steam, which in turn frees up its hydrogen.

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