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taozhikai

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[资源] nature materials 最新: 新型热电太阳能转化器件(引领未来太阳能发展方向)

The conversion of sunlight into electricity has been dominated by photovoltaic and solar thermal power generation. Photovoltaic cells are deployed widely, mostly as flat panels, whereas solar thermal electricity generation relying onopticalconcentrators and mechanical heat engines is only seen in large-scale power plants. Here we demonstrate a promisingflat-panel solar thermal to electric power conversion technology based on the Seebeck effect and high thermal concentration,thus enabling wider applications. The developed solar thermoelectric generators (STEGs) achieved a peak efficiency of 4.6%under AM1.5(1kWm􀀀2) conditions. The efficiency is 7–8 times higher than the previously reported best value for a flat-panelSTEG, and is enabled by the use of high-performancenanostructured thermoelectric materials and spectrally-selective solarabsorbers in an innovative design that exploits high thermal concentration in an evacuated environment. Our work opens up apromising new approach which has the potential to achieve cost-effective conversion of solar energy into electricity.High-performance flat-panel solar thermoelectric generators with high thermal concentration.pdf


[ Last edited by taozhikai on 2011-7-24 at 11:45 ]
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jessica_organic

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这么老的文献,雷到我了
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