期刊
SCIENCE
卷 353, 期 6303, 页码 1019-1023出版社
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.aaf5471
关键词
-
资金
- Advanced Research Projects Agency-Energy (ARPA-E), U.S. Department of Energy [DE-AR0000533]
Thermal management through personal heating and cooling is a strategy by which to expand indoor temperature setpoint range for large energy saving. We show that nanoporous polyethylene (nanoPE) is transparent to mid-infrared human body radiation but opaque to visible light because of the pore size distribution (50 to 1000 nanometers). We processed the material to develop a textile that promotes effective radiative cooling while still having sufficient air permeability, water-wicking rate, and mechanical strength for wearability. We developed a device to simulate skin temperature that shows temperatures 2.7 degrees and 2.0 degrees C lower when covered with nanoPE cloth and with processed nanoPE cloth, respectively, than when covered with cotton. Our processed nanoPE is an effective and scalable textile for personal thermal management.
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