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Posts Tagged ‘Solar

NanoSolar Readies For Full Production

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Solar panels produced like printing newspapers.

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Written by mattliving

September 16, 2009 at 6:53 pm

$2000 Battery Can Power House for One Day

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housebattery

Popular Mechanics: Without a way to store their power, no number of solar panels will free a home from the electrical grid. Researchers at Utah-based Ceramatec have developed a new battery that can be scaled up to store 20 kilowatt-hours—enough to power an average home for most of a day. An easy sell for solar users, but it could also allow the grid-bound to stockpile energy during less expensive off-peak hours.

The new battery runs on sodium-sulfur—a composition that typically operates at greater than 600 F. “Sodium-sulfur is more energetic than lead-acid, so if you can somehow get it to a lower temperature, it would be valuable for residential use, Ralph Brodd, an independent energy conversion consultant, says.

Ceramatec’s new battery runs at less than 200 F. The secret is a thin ceramic membrane that is sandwiched between the sodium and sulfur. Only positive sodium ions can pass through, leaving electrons to create a useful electrical current. Ceramatec says that batteries will be ready for market testing in 2011, and will sell for about $2000.

Written by mattliving

August 2, 2009 at 12:53 am

Posted in Alternative, Energy, Science

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Solar Solutions Coming Online. Fast!

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Written by mattliving

June 3, 2009 at 8:05 am

Posted in Climate, Energy, Video

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