Pouiring Saltwater over Graphene Produces Electricity!

Pouiring Saltwater over Graphene Produces Electricity!

“The science behind the effect is actually quite simple. When the droplets of saltwater sat static on the graphene, they carried an equal charge on both sides. But, when moved across the surface of the graphene, the electrons in the saltwater were desorbed on one end of the graphene and absorbed on the other, generating a measurable voltage along the way. The faster the water moves, the higher the voltage it generates—although the total voltage was still pretty low, about 30 millivolts. A standard AA battery, by comparison, produces about 1.5 volts. It helps that graphene is insanely conductive.”

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