The Design of Near-Perfect Spectrum-Selective Mirror Based on Photonic Structures for Passive Cooling of Silicon Solar Cells
When exposed to sunlight, crystalline silicon solar cells (CSSC) will not only generate electric energy but are also heated by solar radiation. Such a self-heating effect makes the working temperature of CSSC 20–40 °C higher than that of the ambient temperature, which degrades their efficiency and r...
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doaj-01c807fec902408ebfcbd7f0cfea7a8a2020-12-11T00:05:03ZengMDPI AGNanomaterials2079-49912020-12-01102483248310.3390/nano10122483The Design of Near-Perfect Spectrum-Selective Mirror Based on Photonic Structures for Passive Cooling of Silicon Solar CellsMengyu Gao0Ye Xia1Rong Li2Zhen Zhang3Yutian He4Chi Zhang5Laijun Chen6Lina Qi7Yang Si8Qinghong Zhang9Yuxiang Zheng10New Energy (Photovoltaic) Industry Research Center, Qinghai University, Xining 810016, ChinaNew Energy (Photovoltaic) Industry Research Center, Qinghai University, Xining 810016, ChinaNew Energy (Photovoltaic) Industry Research Center, Qinghai University, Xining 810016, ChinaNew Energy (Photovoltaic) Industry Research Center, Qinghai University, Xining 810016, ChinaNew Energy (Photovoltaic) Industry Research Center, Qinghai University, Xining 810016, ChinaNew Energy (Photovoltaic) Industry Research Center, Qinghai University, Xining 810016, ChinaNew Energy (Photovoltaic) Industry Research Center, Qinghai University, Xining 810016, ChinaNew Energy (Photovoltaic) Industry Research Center, Qinghai University, Xining 810016, ChinaNew Energy (Photovoltaic) Industry Research Center, Qinghai University, Xining 810016, ChinaState Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University, Shanghai 201620, ChinaDepartment of Optical Science and Engineering, Fudan University, Shanghai 200433, ChinaWhen exposed to sunlight, crystalline silicon solar cells (CSSC) will not only generate electric energy but are also heated by solar radiation. Such a self-heating effect makes the working temperature of CSSC 20–40 °C higher than that of the ambient temperature, which degrades their efficiency and reliability. The elevated operating temperatures of CSSC are mainly derived from absorbing photons that cannot be converted to electrons. Therefore, it is important to prevent CSSC from absorbing useless solar light to have a better cooling effect. In this paper, photonic structures based spectrum-selective mirror is designed to cool the operating temperatures of CSSC passively. The mirror could make CSSC absorb about 93% of the sunlight in the wavelength range of 0.3 to 1.1 µm and only absorb about 4% of the sunlight in the wavelength range of 1.1 to 2.5 µm. Meanwhile, the design has good compatibility with the radiative cooling strategy. By applying selective-absorptive and radiative cooling strategies, the operating temperature of CSSC could be decreased about 23.2 K and 68.1 K under different meteorological conditions. Moreover, unlike the single radiative cooling strategy, the spectrum-selective mirror also has effective cooling effects in high wind speed meteorological conditions.https://www.mdpi.com/2079-4991/10/12/2483selective-absorptive coolingspectrally selective absorbingradiative coolingsolar cellsnanostructuresoptical multilayer film |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Mengyu Gao Ye Xia Rong Li Zhen Zhang Yutian He Chi Zhang Laijun Chen Lina Qi Yang Si Qinghong Zhang Yuxiang Zheng |
spellingShingle |
Mengyu Gao Ye Xia Rong Li Zhen Zhang Yutian He Chi Zhang Laijun Chen Lina Qi Yang Si Qinghong Zhang Yuxiang Zheng The Design of Near-Perfect Spectrum-Selective Mirror Based on Photonic Structures for Passive Cooling of Silicon Solar Cells Nanomaterials selective-absorptive cooling spectrally selective absorbing radiative cooling solar cells nanostructures optical multilayer film |
author_facet |
Mengyu Gao Ye Xia Rong Li Zhen Zhang Yutian He Chi Zhang Laijun Chen Lina Qi Yang Si Qinghong Zhang Yuxiang Zheng |
author_sort |
Mengyu Gao |
title |
The Design of Near-Perfect Spectrum-Selective Mirror Based on Photonic Structures for Passive Cooling of Silicon Solar Cells |
title_short |
The Design of Near-Perfect Spectrum-Selective Mirror Based on Photonic Structures for Passive Cooling of Silicon Solar Cells |
title_full |
The Design of Near-Perfect Spectrum-Selective Mirror Based on Photonic Structures for Passive Cooling of Silicon Solar Cells |
title_fullStr |
The Design of Near-Perfect Spectrum-Selective Mirror Based on Photonic Structures for Passive Cooling of Silicon Solar Cells |
title_full_unstemmed |
The Design of Near-Perfect Spectrum-Selective Mirror Based on Photonic Structures for Passive Cooling of Silicon Solar Cells |
title_sort |
design of near-perfect spectrum-selective mirror based on photonic structures for passive cooling of silicon solar cells |
publisher |
MDPI AG |
series |
Nanomaterials |
issn |
2079-4991 |
publishDate |
2020-12-01 |
description |
When exposed to sunlight, crystalline silicon solar cells (CSSC) will not only generate electric energy but are also heated by solar radiation. Such a self-heating effect makes the working temperature of CSSC 20–40 °C higher than that of the ambient temperature, which degrades their efficiency and reliability. The elevated operating temperatures of CSSC are mainly derived from absorbing photons that cannot be converted to electrons. Therefore, it is important to prevent CSSC from absorbing useless solar light to have a better cooling effect. In this paper, photonic structures based spectrum-selective mirror is designed to cool the operating temperatures of CSSC passively. The mirror could make CSSC absorb about 93% of the sunlight in the wavelength range of 0.3 to 1.1 µm and only absorb about 4% of the sunlight in the wavelength range of 1.1 to 2.5 µm. Meanwhile, the design has good compatibility with the radiative cooling strategy. By applying selective-absorptive and radiative cooling strategies, the operating temperature of CSSC could be decreased about 23.2 K and 68.1 K under different meteorological conditions. Moreover, unlike the single radiative cooling strategy, the spectrum-selective mirror also has effective cooling effects in high wind speed meteorological conditions. |
topic |
selective-absorptive cooling spectrally selective absorbing radiative cooling solar cells nanostructures optical multilayer film |
url |
https://www.mdpi.com/2079-4991/10/12/2483 |
work_keys_str_mv |
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