Black textile with bottom metallized surface having enhanced radiative cooling under solar irradiation
Abstract
We discuss the cooling performance of garments can play an important role of enabling comfortable human activities under extreme environments. Imparting extra cooling performance to a garment in a passive way is extremely challenging under the sunlight which provides a huge energy influx to the garment, especially made of black colored textile. In this study, a solar-adaptive-textile (SAT) has been designed and experimentally demonstrated. Near-infrared (NIR) transmittance to the human skin from the solar irradiance has been intercepted by incorporating a nanoscale sputtered thin aluminum metal film underneath the textile layer facing the skin. The high-pressure sputtering employed allows a deep penetration of aluminum into the fabric structure for enhanced solar-energy-blocking effect and film stability. The aluminum layer effectively reduces the solar irradiance as well as the thermal radiation from the textile, which gets heated in lieu of the human skin. The outdoor, under-the-sun measurements with a simulated skin showed an outstanding 2 °C cooling effect compared to the normal textile without the metal film, while preserving most of the given textile properties such as colors, air permeability and wicking behavior.
- Authors:
-
- NanoSD, Inc., San Diego, CA (United States)
- Adidas America, Portland, OR (United States)
- Arizona State Univ., Tempe, AZ (United States). Adidas-ASU Center for Engagement Science
- NanoSD, Inc., San Diego, CA (United States); Univ. of California, San Diego, CA (United States). Dept. of Mechanical & Aerosapce Engineering
- Publication Date:
- Research Org.:
- Univ. of California, San Diego, CA (United States)
- Sponsoring Org.:
- USDOE Advanced Research Projects Agency - Energy (ARPA-E)
- OSTI Identifier:
- 1848194
- Alternate Identifier(s):
- OSTI ID: 1780468
- Grant/Contract Number:
- AR0000535
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Nano Energy
- Additional Journal Information:
- Journal Volume: 82; Journal Issue: C; Journal ID: ISSN 2211-2855
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; 36 MATERIALS SCIENCE; 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; Chemistry; Science & Technology - Other Topics; Materials Science; Physics; Solar-adaptive textile; NIR blocking; IR blocking; Smart fabric; Radiative cooling
Citation Formats
Kim, Gunwoo, Park, Kyuin, Hwang, Kyungjun, Choi, Chulmin, Zheng, Zengwei, Seydel, Roland, Coza, Aurel, and Jin, Sungho. Black textile with bottom metallized surface having enhanced radiative cooling under solar irradiation. United States: N. p., 2020.
Web. doi:10.1016/j.nanoen.2020.105715.
Kim, Gunwoo, Park, Kyuin, Hwang, Kyungjun, Choi, Chulmin, Zheng, Zengwei, Seydel, Roland, Coza, Aurel, & Jin, Sungho. Black textile with bottom metallized surface having enhanced radiative cooling under solar irradiation. United States. https://doi.org/10.1016/j.nanoen.2020.105715
Kim, Gunwoo, Park, Kyuin, Hwang, Kyungjun, Choi, Chulmin, Zheng, Zengwei, Seydel, Roland, Coza, Aurel, and Jin, Sungho. Fri .
"Black textile with bottom metallized surface having enhanced radiative cooling under solar irradiation". United States. https://doi.org/10.1016/j.nanoen.2020.105715. https://www.osti.gov/servlets/purl/1848194.
@article{osti_1848194,
title = {Black textile with bottom metallized surface having enhanced radiative cooling under solar irradiation},
author = {Kim, Gunwoo and Park, Kyuin and Hwang, Kyungjun and Choi, Chulmin and Zheng, Zengwei and Seydel, Roland and Coza, Aurel and Jin, Sungho},
abstractNote = {We discuss the cooling performance of garments can play an important role of enabling comfortable human activities under extreme environments. Imparting extra cooling performance to a garment in a passive way is extremely challenging under the sunlight which provides a huge energy influx to the garment, especially made of black colored textile. In this study, a solar-adaptive-textile (SAT) has been designed and experimentally demonstrated. Near-infrared (NIR) transmittance to the human skin from the solar irradiance has been intercepted by incorporating a nanoscale sputtered thin aluminum metal film underneath the textile layer facing the skin. The high-pressure sputtering employed allows a deep penetration of aluminum into the fabric structure for enhanced solar-energy-blocking effect and film stability. The aluminum layer effectively reduces the solar irradiance as well as the thermal radiation from the textile, which gets heated in lieu of the human skin. The outdoor, under-the-sun measurements with a simulated skin showed an outstanding 2 °C cooling effect compared to the normal textile without the metal film, while preserving most of the given textile properties such as colors, air permeability and wicking behavior.},
doi = {10.1016/j.nanoen.2020.105715},
journal = {Nano Energy},
number = C,
volume = 82,
place = {United States},
year = {Fri Dec 25 00:00:00 EST 2020},
month = {Fri Dec 25 00:00:00 EST 2020}
}
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