Renewable energy based on the principle of entropy

In nature, the diffusion of river water into salty seawater leads to a slight rise in temperature, and this energy could be captured to generate electricity. The conventional means of capture has been through osmotic power. Fresh water and salt water are separated by a membrane, and the salt water draws fresh water through the membrane, causing an increase in pressure. The pressure can then be used in a variety of ways, for example to turn a turbine. The Norway-based company Statkraft is testing one such osmotic power facility.
A team of researchers from Stanford University  approached the problem from a different angle and came up with a more compact system. As reported by Andy Extance at the Royal Society of Chemists, the Stanford system uses a battery to draw energy through a crystal lattice made of manganese dioxide nanorods, which pack a large surface area into a small space.

Source: www.cleantechnica.com

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Posted by on Apr 6 2011. Filed under _featured slider, Geothermal, INDUSTRY, USA, WORLD. You can follow any responses to this entry through the RSS 2.0. You can leave a response or trackback to this entry

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