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nature materials最新: 热电材料
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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 on optical concentrators and mechanical heat engines is only seen in large-scale power plants. Here we demonstrate a promising flat-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 AM1.5G (1kWm2) conditions. The efficiency is 7–8 times higher than the previously reported best value for a flat-panel STEG, and is enabled by the use of high-performance nanostructured thermoelectric materials and spectrally-selective solar absorbers in an innovative design that exploits high thermal concentration in an evacuated environment. Our work opens up a promising new approach which has the potential to achieve cost-effective conversion of solar energy into electricity.更改分类！ [ Last edited by 穿越千年 on 2014-1-16 at 15:09 ] |
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133楼2012-12-02 22:49:48
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2011-06-24 02:42
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五星好评 顶一下，感谢分享！
xtugyy3楼
2011-06-24 21:20
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五星好评 顶一下，感谢分享！
2011-06-25 13:46
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五星好评 顶一下，感谢分享！
2011-06-26 09:31
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五星好评 顶一下，感谢分享！
ping88810楼
2011-06-27 09:34
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三星好评 顶一下，感谢分享！
w_wwb11楼
2011-06-27 10:53
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五星好评 顶一下，感谢分享！
ping88812楼
2011-06-27 12:37
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感谢分享 [ Last edited by ping888 on 2011-6-27 at 12:40 ]
ping88813楼
2011-06-27 12:39
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顶一下，感谢分享！
bio-polymer14楼
2011-06-29 09:31
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五星好评 顶一下，感谢分享！