Journal
NATURE COMMUNICATIONS
Volume 10, Issue -, Pages -Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/s41467-019-09589-w
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Funding
- Advanced Research Projects Agency-Energy [DE-AR0000534]
- Air Force Office of Scientific Research [FA2386-14-1-3026]
- National Institute of Standards and Technology
- National Physical Sciences Consortium
- Kraton Polymers, LLC
- UC Irvine Materials Research Institute (IMRI)
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Effective thermal management is critical for the operation of many modern technologies, such as electronic circuits, smart clothing, and building environment control systems. By leveraging the static infrared-reflecting design of the space blanket and drawing inspiration from the dynamic color-changing ability of squid skin, we have developed a composite material with tunable thermoregulatory properties. Our material demonstrates an on/off switching ratio of similar to 25 for the transmittance, regulates a heat flux of similar to 36 W/m(2) with an estimated mechanical power input of similar to 3 W/m(2), and features a dynamic environmental setpoint temperature window of similar to 8 degrees C. Moreover, the composite can manage one fourth of the metabolic heat flux expected for a sedentary individual and can also modulate localized changes in a wearer's body temperature by nearly 10-fold. Due to such functionality and associated figures of merit, our material may substantially reduce building energy consumption upon widespread deployment and adoption.
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