River Water and Salty Ocean Water Used to Generate Electricity?

elwha-dam-removal-estuary
Elwha river, estuary. Photograph: © SAF — Coastal Care

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Stanford researchers have developed a battery that takes advantage of the difference in salinity between freshwater and seawater to produce electricity.

Anywhere freshwater enters the sea, such as river mouths or estuaries, could be potential sites for a power plant using such a battery, said Yi Cui, associate professor of materials science and engineering, who led the research team…

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