Concrete: A better way to store solar heat

11/12/2012 | EarthTechling.com

Many materials have been used to create storage systems for heat produced at concentrating solar power plants, but concrete might be the most effective, safest and least expensive, according to researchers at the University of Arkansas. They created a proprietary concrete to make plates and used a thermocline system to set the plates parallel in a storage tank. Heat was conducted with an efficiency of 93.9%, they say.

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