Archive for December, 2007



Nano Flakes May Revolutionize Solar Cells

A new material, nano flakes, may revolutionize the transformation of solar energy to electricity. If one researcher’s future solar cells meet the expectations, both the economy and the environment will benefit from the research. Less than 1 per cent of the world’s electricity comes from the sun because it is difficult to transform solar energy to electricity. But the discovery may be a huge step towards boosting the exploitation of solar energy.

It may be wintertime but the sun still shines bright at Nellis Air Force Base, where a new $100 million, 14-megawatt solar power plant went into service on Dec. 17.
The photovoltaic system will provide nearly one-third of the 12,000-employee base’s total electrical needs during summer months for a $1 million annual cost savings. It will [...]

Using concentrated solar energy to reverse combustion, scientists are building a prototype device intended to chemically “reenergize” carbon dioxide into carbon monoxide using concentrated solar power. The carbon monoxide could then be used to make hydrogen or serve as a building block to synthesize a liquid combustible fuel, such as methanol or even gasoline, diesel and jet fuel.




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