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Radiative cooling for continuous thermoelectric power generation in day and night

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Title: Radiative cooling for continuous thermoelectric power generation in day and night
Authors: Ishii, Satoshi Browse this author
Dao, Thang Duy Browse this author
Nagao, Tadaaki Browse this author →KAKEN DB
Issue Date: 6-Jul-2020
Publisher: American Institute of Physics (AIP)
Journal Title: Applied physics letters
Volume: 117
Start Page: 013901
Publisher DOI: 10.1063/5.0010190
Abstract: Harvesting energy from the environment often suffers from discontinuity in power generation. Typical examples of technologies where this problem occurs are photovoltaics and solar heat power generation, which can only generate power during the day. In this study, the temperature difference caused by radiative cooling is utilized to generate thermoelectric power continuously throughout the day. The emitter has a wavelength-selective emissivity such that it is radiatively cooled all the time and its surface temperature is always cooler than the bottom side of the thermoelectric module which is placed below the selective emitter. The device placed outdoor generates thermoelectric voltage during the day and night without dropping to zero. The device can be used as a power supply for sensors and monitors placed outdoors. Published under license by AIP Publishing.
Rights: This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in Applied Physics Letters 117 (2020) and may be found at
Type: article
Appears in Collections:理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 長尾 忠昭

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