'Flawed' Graphene Could Lead To Better Fuel Cells

March 18, 2015 11:48 AM

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'Flawed' Graphene Could Lead To Better Fuel Cells

Graphene, the atom-thin sheet of carbon, has been found to increase the efficiency of fuel cells if its structure is imperfect, leading to new possible uses for the material. Tiny imperfections in the material’s honeycomb structure have been found to act as a way to separate oxygen and hydrogen in water.

Researchers at Northwestern University found that an imperfect layer of graphene combined with water allowed protons -- and only protons -- to pass through the membrane, in a matter of mere seconds. The imperfect graphene’s selectivity and speed are significantly faster than other membrane designs, ...

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