Scientists at Stanford have developed a battery that uses nanotechnology to create electricity from the difference in salt content between fresh water and sea water. The researchers hope to use the technology to create power plants at estuaries where fresh water rivers join the ocean.
The Stanford team believes their new method is more efficient than earlier advances, and can be built more cheaply.
(READ the story at GizMag.com) – Thanks to Ernesto for submitting the link!