Silica Nanofiber Aerogel Composite Membrane

Zero-energy radiative cooling

Combining a silica nanofiber aerogel network with P(VDF-HFP) to achieve high mechanical strength and porous structure for thermal management and versatile protection.

Gao, Feng · Tong, Zheming · Lu, Jianguo · Hou, Yang · He, Qinggang · Gao, Xiang · Cheng, Dangguo · Zhan, Xiaoli · Ma, Yaoguang · Zhang, Qinghua · Feng, Gao

Small 2023

Specifications

冷却功率
{'zh': '96', 'en': ''} W m⁻²

Advantages

Solar reflectivity 0.95

Mid-infrared emittance 0.98

Temperature drop of 12.5 °C under solar intensity over 910 W m⁻²