MTL News

Thin coating on condensers could make power plants more efficient

June 1, 2015

Graphene layer one atom thick could quadruple rate of condensation heat transfer in generating plants.

MIT-Graphene-Coating.jpg
An uncoated copper condenser tube (top left) is shown next to a similar tube coated with graphene (top right). When exposed to water vapor at 100 degrees Celsius, the uncoated tube produces an inefficient water film (bottom left), while the coated shows the more desirable dropwise condensation (bottom right). Image courtesy of the researchers.

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