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taozhikai金蟲(chóng) (著名寫手)
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[資源]
nature materials最新: 熱電材料
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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.更改分類! [ Last edited by 穿越千年 on 2014-1-16 at 15:09 ] |
納米技術(shù)與能源及模擬 | 先進(jìn)材料 | 材料專題 | 光電材料 |
熱電材料 | 精華網(wǎng)帖收集 | 功能材料——能源材料方向 | 熱電材料 |
熱電 | MEMS與傳統(tǒng)機(jī)械 | 高分子相關(guān)的東東 | 熱電材料 |
木蟲(chóng) (著名寫手)
金蟲(chóng) (小有名氣)
銀蟲(chóng) (小有名氣)


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